2 e6bcace5 2021-06-22 stsp * Copyright (c) 2020 Ori Bernstein
3 e6bcace5 2021-06-22 stsp * Copyright (c) 2021 Stefan Sperling <stsp@openbsd.org>
5 e6bcace5 2021-06-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 e6bcace5 2021-06-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 e6bcace5 2021-06-22 stsp * copyright notice and this permission notice appear in all copies.
9 e6bcace5 2021-06-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 e6bcace5 2021-06-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 e6bcace5 2021-06-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 e6bcace5 2021-06-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 e6bcace5 2021-06-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 e6bcace5 2021-06-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 e6bcace5 2021-06-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 08736cf9 2021-06-23 stsp #include <sys/types.h>
19 e6bcace5 2021-06-22 stsp #include <sys/queue.h>
20 f8b19efd 2021-10-13 stsp #include <sys/tree.h>
21 08736cf9 2021-06-23 stsp #include <sys/uio.h>
22 e6bcace5 2021-06-22 stsp #include <sys/stat.h>
23 211cfef0 2022-01-05 stsp #include <sys/time.h>
24 e93fb944 2022-05-10 stsp #include <sys/mman.h>
26 e3f86256 2022-02-18 naddy #include <endian.h>
27 e93fb944 2022-05-10 stsp #include <errno.h>
28 08736cf9 2021-06-23 stsp #include <stdint.h>
29 05118f5a 2021-06-22 stsp #include <imsg.h>
30 e6bcace5 2021-06-22 stsp #include <stdio.h>
31 e6bcace5 2021-06-22 stsp #include <stdlib.h>
32 e6bcace5 2021-06-22 stsp #include <string.h>
33 e6bcace5 2021-06-22 stsp #include <sha1.h>
34 211cfef0 2022-01-05 stsp #include <time.h>
35 bfc73a47 2022-03-19 naddy #include <unistd.h>
36 e6bcace5 2021-06-22 stsp #include <limits.h>
37 e6bcace5 2021-06-22 stsp #include <zlib.h>
39 e6bcace5 2021-06-22 stsp #include "got_error.h"
40 e6bcace5 2021-06-22 stsp #include "got_cancel.h"
41 e6bcace5 2021-06-22 stsp #include "got_object.h"
42 f8b19efd 2021-10-13 stsp #include "got_path.h"
43 05118f5a 2021-06-22 stsp #include "got_reference.h"
44 05118f5a 2021-06-22 stsp #include "got_repository_admin.h"
45 08347b73 2021-10-14 stsp #include "got_opentemp.h"
47 e6bcace5 2021-06-22 stsp #include "got_lib_deltify.h"
48 e6bcace5 2021-06-22 stsp #include "got_lib_delta.h"
49 e6bcace5 2021-06-22 stsp #include "got_lib_object.h"
50 e6bcace5 2021-06-22 stsp #include "got_lib_object_idset.h"
51 05118f5a 2021-06-22 stsp #include "got_lib_object_cache.h"
52 e6bcace5 2021-06-22 stsp #include "got_lib_deflate.h"
53 e6bcace5 2021-06-22 stsp #include "got_lib_pack.h"
54 17cfdba6 2022-05-20 op #include "got_lib_pack_create.h"
55 05118f5a 2021-06-22 stsp #include "got_lib_privsep.h"
56 05118f5a 2021-06-22 stsp #include "got_lib_repository.h"
57 211cfef0 2022-01-05 stsp #include "got_lib_ratelimit.h"
58 2d9e6abf 2022-05-04 stsp #include "got_lib_inflate.h"
60 f8174ca5 2022-05-20 stsp #include "murmurhash2.h"
63 74881701 2021-10-15 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
67 e6bcace5 2021-06-22 stsp #define MAX(_a,_b) ((_a) > (_b) ? (_a) : (_b))
70 70f8f24d 2022-04-14 stsp #ifndef nitems
71 70f8f24d 2022-04-14 stsp #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
74 e6bcace5 2021-06-22 stsp struct got_pack_meta {
75 e6bcace5 2021-06-22 stsp struct got_object_id id;
76 f8174ca5 2022-05-20 stsp uint32_t path_hash;
77 e6bcace5 2021-06-22 stsp int obj_type;
79 e6bcace5 2021-06-22 stsp time_t mtime;
81 e6bcace5 2021-06-22 stsp /* The best delta we picked */
82 e6bcace5 2021-06-22 stsp struct got_pack_meta *head;
83 e6bcace5 2021-06-22 stsp struct got_pack_meta *prev;
84 2d9e6abf 2022-05-04 stsp unsigned char *delta_buf; /* if encoded in memory (compressed) */
85 2d9e6abf 2022-05-04 stsp off_t delta_offset; /* offset in delta cache file (compressed) */
86 5060d5a1 2022-01-10 stsp off_t delta_len; /* encoded delta length */
87 2d9e6abf 2022-05-04 stsp off_t delta_compressed_len; /* encoded+compressed delta length */
90 67fd6849 2022-02-13 stsp off_t reused_delta_offset; /* offset of delta in reused pack file */
91 67fd6849 2022-02-13 stsp struct got_object_id *base_obj_id;
93 e6bcace5 2021-06-22 stsp /* Only used for delta window */
94 e6bcace5 2021-06-22 stsp struct got_delta_table *dtab;
96 e6bcace5 2021-06-22 stsp /* Only used for writing offset deltas */
100 e6bcace5 2021-06-22 stsp struct got_pack_metavec {
101 e6bcace5 2021-06-22 stsp struct got_pack_meta **meta;
103 e6bcace5 2021-06-22 stsp int metasz;
106 e6bcace5 2021-06-22 stsp static const struct got_error *
107 e6bcace5 2021-06-22 stsp alloc_meta(struct got_pack_meta **new, struct got_object_id *id,
108 d6a28ffe 2022-05-20 op const char *path, int obj_type, time_t mtime, uint32_t seed)
110 e6bcace5 2021-06-22 stsp struct got_pack_meta *m;
112 e6bcace5 2021-06-22 stsp *new = NULL;
114 e6bcace5 2021-06-22 stsp m = calloc(1, sizeof(*m));
115 e6bcace5 2021-06-22 stsp if (m == NULL)
116 1d19226a 2021-10-13 stsp return got_error_from_errno("calloc");
118 e6bcace5 2021-06-22 stsp memcpy(&m->id, id, sizeof(m->id));
120 d6a28ffe 2022-05-20 op m->path_hash = murmurhash2(path, strlen(path), seed);
121 e6bcace5 2021-06-22 stsp m->obj_type = obj_type;
122 e6bcace5 2021-06-22 stsp m->mtime = mtime;
124 e6bcace5 2021-06-22 stsp return NULL;
127 e6bcace5 2021-06-22 stsp static void
128 e6bcace5 2021-06-22 stsp clear_meta(struct got_pack_meta *meta)
130 e6bcace5 2021-06-22 stsp if (meta == NULL)
132 f8174ca5 2022-05-20 stsp meta->path_hash = 0;
133 5060d5a1 2022-01-10 stsp free(meta->delta_buf);
134 5060d5a1 2022-01-10 stsp meta->delta_buf = NULL;
135 67fd6849 2022-02-13 stsp free(meta->base_obj_id);
136 67fd6849 2022-02-13 stsp meta->base_obj_id = NULL;
137 411cbec1 2022-05-20 stsp meta->reused_delta_offset = 0;
140 e6bcace5 2021-06-22 stsp static void
141 e6bcace5 2021-06-22 stsp free_nmeta(struct got_pack_meta **meta, int nmeta)
145 e6bcace5 2021-06-22 stsp for (i = 0; i < nmeta; i++)
146 e6bcace5 2021-06-22 stsp clear_meta(meta[i]);
147 e6bcace5 2021-06-22 stsp free(meta);
151 e6bcace5 2021-06-22 stsp delta_order_cmp(const void *pa, const void *pb)
153 e6bcace5 2021-06-22 stsp struct got_pack_meta *a, *b;
155 e6bcace5 2021-06-22 stsp a = *(struct got_pack_meta **)pa;
156 e6bcace5 2021-06-22 stsp b = *(struct got_pack_meta **)pb;
158 e6bcace5 2021-06-22 stsp if (a->obj_type != b->obj_type)
159 e6bcace5 2021-06-22 stsp return a->obj_type - b->obj_type;
160 f8174ca5 2022-05-20 stsp if (a->path_hash < b->path_hash)
162 f8174ca5 2022-05-20 stsp if (a->path_hash > b->path_hash)
164 611e8e31 2022-05-01 stsp if (a->mtime < b->mtime)
166 611e8e31 2022-05-01 stsp if (a->mtime > b->mtime)
168 e6bcace5 2021-06-22 stsp return got_object_id_cmp(&a->id, &b->id);
171 5060d5a1 2022-01-10 stsp static off_t
172 e6bcace5 2021-06-22 stsp delta_size(struct got_delta_instruction *deltas, int ndeltas)
175 5060d5a1 2022-01-10 stsp off_t size = 32;
176 e6bcace5 2021-06-22 stsp for (i = 0; i < ndeltas; i++) {
177 e6bcace5 2021-06-22 stsp if (deltas[i].copy)
178 e6bcace5 2021-06-22 stsp size += GOT_DELTA_SIZE_SHIFT;
180 e6bcace5 2021-06-22 stsp size += deltas[i].len + 1;
182 e6bcace5 2021-06-22 stsp return size;
185 5060d5a1 2022-01-10 stsp static const struct got_error *
186 5060d5a1 2022-01-10 stsp append(unsigned char **p, size_t *len, off_t *sz, void *seg, int nseg)
190 5060d5a1 2022-01-10 stsp if (*len + nseg >= *sz) {
191 5060d5a1 2022-01-10 stsp while (*len + nseg >= *sz)
192 5060d5a1 2022-01-10 stsp *sz += *sz / 2;
193 5060d5a1 2022-01-10 stsp n = realloc(*p, *sz);
194 5060d5a1 2022-01-10 stsp if (n == NULL)
195 5060d5a1 2022-01-10 stsp return got_error_from_errno("realloc");
198 5060d5a1 2022-01-10 stsp memcpy(*p + *len, seg, nseg);
199 5060d5a1 2022-01-10 stsp *len += nseg;
200 5060d5a1 2022-01-10 stsp return NULL;
203 5060d5a1 2022-01-10 stsp static const struct got_error *
204 5060d5a1 2022-01-10 stsp encode_delta_in_mem(struct got_pack_meta *m, struct got_raw_object *o,
205 5060d5a1 2022-01-10 stsp struct got_delta_instruction *deltas, int ndeltas,
206 5060d5a1 2022-01-10 stsp off_t delta_size, off_t base_size)
208 5060d5a1 2022-01-10 stsp const struct got_error *err;
209 5060d5a1 2022-01-10 stsp unsigned char buf[16], *bp;
211 2d9e6abf 2022-05-04 stsp size_t len = 0, compressed_len;
212 2d9e6abf 2022-05-04 stsp off_t bufsize = delta_size;
214 5060d5a1 2022-01-10 stsp struct got_delta_instruction *d;
215 2d9e6abf 2022-05-04 stsp uint8_t *delta_buf;
217 2d9e6abf 2022-05-04 stsp delta_buf = malloc(bufsize);
218 2d9e6abf 2022-05-04 stsp if (delta_buf == NULL)
219 2d9e6abf 2022-05-04 stsp return got_error_from_errno("malloc");
221 5060d5a1 2022-01-10 stsp /* base object size */
222 5060d5a1 2022-01-10 stsp buf[0] = base_size & GOT_DELTA_SIZE_VAL_MASK;
223 5060d5a1 2022-01-10 stsp n = base_size >> GOT_DELTA_SIZE_SHIFT;
224 5060d5a1 2022-01-10 stsp for (i = 1; n > 0; i++) {
225 5060d5a1 2022-01-10 stsp buf[i - 1] |= GOT_DELTA_SIZE_MORE;
226 5060d5a1 2022-01-10 stsp buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
227 5060d5a1 2022-01-10 stsp n >>= GOT_DELTA_SIZE_SHIFT;
229 2d9e6abf 2022-05-04 stsp err = append(&delta_buf, &len, &bufsize, buf, i);
233 5060d5a1 2022-01-10 stsp /* target object size */
234 5060d5a1 2022-01-10 stsp buf[0] = o->size & GOT_DELTA_SIZE_VAL_MASK;
235 5060d5a1 2022-01-10 stsp n = o->size >> GOT_DELTA_SIZE_SHIFT;
236 5060d5a1 2022-01-10 stsp for (i = 1; n > 0; i++) {
237 5060d5a1 2022-01-10 stsp buf[i - 1] |= GOT_DELTA_SIZE_MORE;
238 5060d5a1 2022-01-10 stsp buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
239 5060d5a1 2022-01-10 stsp n >>= GOT_DELTA_SIZE_SHIFT;
241 2d9e6abf 2022-05-04 stsp err = append(&delta_buf, &len, &bufsize, buf, i);
245 5060d5a1 2022-01-10 stsp for (j = 0; j < ndeltas; j++) {
246 5060d5a1 2022-01-10 stsp d = &deltas[j];
247 5060d5a1 2022-01-10 stsp if (d->copy) {
248 5060d5a1 2022-01-10 stsp n = d->offset;
249 5060d5a1 2022-01-10 stsp bp = &buf[1];
250 5060d5a1 2022-01-10 stsp buf[0] = GOT_DELTA_BASE_COPY;
251 5060d5a1 2022-01-10 stsp for (i = 0; i < 4; i++) {
252 5060d5a1 2022-01-10 stsp /* DELTA_COPY_OFF1 ... DELTA_COPY_OFF4 */
253 5060d5a1 2022-01-10 stsp buf[0] |= 1 << i;
254 5060d5a1 2022-01-10 stsp *bp++ = n & 0xff;
256 5060d5a1 2022-01-10 stsp if (n == 0)
260 5060d5a1 2022-01-10 stsp n = d->len;
261 5060d5a1 2022-01-10 stsp if (n != GOT_DELTA_COPY_DEFAULT_LEN) {
262 5060d5a1 2022-01-10 stsp /* DELTA_COPY_LEN1 ... DELTA_COPY_LEN3 */
263 5060d5a1 2022-01-10 stsp for (i = 0; i < 3 && n > 0; i++) {
264 5060d5a1 2022-01-10 stsp buf[0] |= 1 << (i + 4);
265 5060d5a1 2022-01-10 stsp *bp++ = n & 0xff;
269 2d9e6abf 2022-05-04 stsp err = append(&delta_buf, &len, &bufsize,
270 5060d5a1 2022-01-10 stsp buf, bp - buf);
273 5060d5a1 2022-01-10 stsp } else if (o->f == NULL) {
275 5060d5a1 2022-01-10 stsp while (n != d->len) {
276 5060d5a1 2022-01-10 stsp buf[0] = (d->len - n < 127) ? d->len - n : 127;
277 2d9e6abf 2022-05-04 stsp err = append(&delta_buf, &len, &bufsize,
281 2d9e6abf 2022-05-04 stsp err = append(&delta_buf, &len, &bufsize,
282 5060d5a1 2022-01-10 stsp o->data + o->hdrlen + d->offset + n,
286 5060d5a1 2022-01-10 stsp n += buf[0];
289 5060d5a1 2022-01-10 stsp char content[128];
291 2d9e6abf 2022-05-04 stsp if (fseeko(o->f, o->hdrlen + d->offset, SEEK_SET) == -1) {
292 2d9e6abf 2022-05-04 stsp err = got_error_from_errno("fseeko");
296 5060d5a1 2022-01-10 stsp while (n != d->len) {
297 5060d5a1 2022-01-10 stsp buf[0] = (d->len - n < 127) ? d->len - n : 127;
298 2d9e6abf 2022-05-04 stsp err = append(&delta_buf, &len, &bufsize,
302 5060d5a1 2022-01-10 stsp r = fread(content, 1, buf[0], o->f);
303 2d9e6abf 2022-05-04 stsp if (r != buf[0]) {
304 2d9e6abf 2022-05-04 stsp err = got_ferror(o->f, GOT_ERR_IO);
307 2d9e6abf 2022-05-04 stsp err = append(&delta_buf, &len, &bufsize,
308 5060d5a1 2022-01-10 stsp content, buf[0]);
311 5060d5a1 2022-01-10 stsp n += buf[0];
316 2d9e6abf 2022-05-04 stsp err = got_deflate_to_mem_mmap(&m->delta_buf, &compressed_len,
317 2d9e6abf 2022-05-04 stsp NULL, NULL, delta_buf, 0, len);
321 5060d5a1 2022-01-10 stsp m->delta_len = len;
322 2d9e6abf 2022-05-04 stsp m->delta_compressed_len = compressed_len;
324 2d9e6abf 2022-05-04 stsp free(delta_buf);
325 2d9e6abf 2022-05-04 stsp return err;
328 74881701 2021-10-15 stsp static const struct got_error *
329 74881701 2021-10-15 stsp encode_delta(struct got_pack_meta *m, struct got_raw_object *o,
330 74881701 2021-10-15 stsp struct got_delta_instruction *deltas, int ndeltas,
331 a319ca8c 2021-10-15 stsp off_t base_size, FILE *f)
333 2d9e6abf 2022-05-04 stsp const struct got_error *err;
334 a319ca8c 2021-10-15 stsp unsigned char buf[16], *bp;
337 2d9e6abf 2022-05-04 stsp struct got_deflate_buf zb;
338 a319ca8c 2021-10-15 stsp struct got_delta_instruction *d;
339 2d9e6abf 2022-05-04 stsp off_t delta_len = 0, compressed_len = 0;
341 2d9e6abf 2022-05-04 stsp err = got_deflate_init(&zb, NULL, GOT_DEFLATE_BUFSIZE);
343 2d9e6abf 2022-05-04 stsp return err;
345 a319ca8c 2021-10-15 stsp /* base object size */
346 a319ca8c 2021-10-15 stsp buf[0] = base_size & GOT_DELTA_SIZE_VAL_MASK;
347 a319ca8c 2021-10-15 stsp n = base_size >> GOT_DELTA_SIZE_SHIFT;
348 a319ca8c 2021-10-15 stsp for (i = 1; n > 0; i++) {
349 a319ca8c 2021-10-15 stsp buf[i - 1] |= GOT_DELTA_SIZE_MORE;
350 a319ca8c 2021-10-15 stsp buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
351 a319ca8c 2021-10-15 stsp n >>= GOT_DELTA_SIZE_SHIFT;
354 2d9e6abf 2022-05-04 stsp err = got_deflate_append_to_file_mmap(&zb, &compressed_len,
355 2d9e6abf 2022-05-04 stsp buf, 0, i, f, NULL);
358 2d9e6abf 2022-05-04 stsp delta_len += i;
360 a319ca8c 2021-10-15 stsp /* target object size */
361 a319ca8c 2021-10-15 stsp buf[0] = o->size & GOT_DELTA_SIZE_VAL_MASK;
362 a319ca8c 2021-10-15 stsp n = o->size >> GOT_DELTA_SIZE_SHIFT;
363 a319ca8c 2021-10-15 stsp for (i = 1; n > 0; i++) {
364 a319ca8c 2021-10-15 stsp buf[i - 1] |= GOT_DELTA_SIZE_MORE;
365 a319ca8c 2021-10-15 stsp buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
366 a319ca8c 2021-10-15 stsp n >>= GOT_DELTA_SIZE_SHIFT;
369 2d9e6abf 2022-05-04 stsp err = got_deflate_append_to_file_mmap(&zb, &compressed_len,
370 2d9e6abf 2022-05-04 stsp buf, 0, i, f, NULL);
373 2d9e6abf 2022-05-04 stsp delta_len += i;
375 a319ca8c 2021-10-15 stsp for (j = 0; j < ndeltas; j++) {
376 a319ca8c 2021-10-15 stsp d = &deltas[j];
377 a319ca8c 2021-10-15 stsp if (d->copy) {
378 a319ca8c 2021-10-15 stsp n = d->offset;
379 a319ca8c 2021-10-15 stsp bp = &buf[1];
380 a319ca8c 2021-10-15 stsp buf[0] = GOT_DELTA_BASE_COPY;
381 a319ca8c 2021-10-15 stsp for (i = 0; i < 4; i++) {
382 a319ca8c 2021-10-15 stsp /* DELTA_COPY_OFF1 ... DELTA_COPY_OFF4 */
383 a319ca8c 2021-10-15 stsp buf[0] |= 1 << i;
384 a319ca8c 2021-10-15 stsp *bp++ = n & 0xff;
386 a319ca8c 2021-10-15 stsp if (n == 0)
389 a319ca8c 2021-10-15 stsp n = d->len;
390 a319ca8c 2021-10-15 stsp if (n != GOT_DELTA_COPY_DEFAULT_LEN) {
391 a319ca8c 2021-10-15 stsp /* DELTA_COPY_LEN1 ... DELTA_COPY_LEN3 */
392 a319ca8c 2021-10-15 stsp for (i = 0; i < 3 && n > 0; i++) {
393 a319ca8c 2021-10-15 stsp buf[0] |= 1 << (i + 4);
394 a319ca8c 2021-10-15 stsp *bp++ = n & 0xff;
398 2d9e6abf 2022-05-04 stsp err = got_deflate_append_to_file_mmap(&zb,
399 2d9e6abf 2022-05-04 stsp &compressed_len, buf, 0, bp - buf, f, NULL);
402 2d9e6abf 2022-05-04 stsp delta_len += (bp - buf);
403 64a8571e 2022-01-07 stsp } else if (o->f == NULL) {
405 64a8571e 2022-01-07 stsp while (n != d->len) {
406 64a8571e 2022-01-07 stsp buf[0] = (d->len - n < 127) ? d->len - n : 127;
407 2d9e6abf 2022-05-04 stsp err = got_deflate_append_to_file_mmap(&zb,
408 2d9e6abf 2022-05-04 stsp &compressed_len, buf, 0, 1, f, NULL);
411 2d9e6abf 2022-05-04 stsp delta_len++;
412 2d9e6abf 2022-05-04 stsp err = got_deflate_append_to_file_mmap(&zb,
413 2d9e6abf 2022-05-04 stsp &compressed_len,
414 2d9e6abf 2022-05-04 stsp o->data + o->hdrlen + d->offset + n, 0,
415 2d9e6abf 2022-05-04 stsp buf[0], f, NULL);
418 2d9e6abf 2022-05-04 stsp delta_len += buf[0];
419 64a8571e 2022-01-07 stsp n += buf[0];
422 a319ca8c 2021-10-15 stsp char content[128];
424 2d9e6abf 2022-05-04 stsp if (fseeko(o->f, o->hdrlen + d->offset, SEEK_SET) == -1) {
425 2d9e6abf 2022-05-04 stsp err = got_error_from_errno("fseeko");
429 a319ca8c 2021-10-15 stsp while (n != d->len) {
430 a319ca8c 2021-10-15 stsp buf[0] = (d->len - n < 127) ? d->len - n : 127;
431 2d9e6abf 2022-05-04 stsp err = got_deflate_append_to_file_mmap(&zb,
432 2d9e6abf 2022-05-04 stsp &compressed_len, buf, 0, 1, f, NULL);
435 2d9e6abf 2022-05-04 stsp delta_len++;
436 a319ca8c 2021-10-15 stsp r = fread(content, 1, buf[0], o->f);
437 2d9e6abf 2022-05-04 stsp if (r != buf[0]) {
438 2d9e6abf 2022-05-04 stsp err = got_ferror(o->f, GOT_ERR_IO);
441 2d9e6abf 2022-05-04 stsp err = got_deflate_append_to_file_mmap(&zb,
442 2d9e6abf 2022-05-04 stsp &compressed_len, content, 0, buf[0], f,
446 2d9e6abf 2022-05-04 stsp delta_len += buf[0];
447 a319ca8c 2021-10-15 stsp n += buf[0];
452 2d9e6abf 2022-05-04 stsp err = got_deflate_flush(&zb, f, NULL, &compressed_len);
456 2d9e6abf 2022-05-04 stsp /* sanity check */
457 2d9e6abf 2022-05-04 stsp if (compressed_len != ftello(f) - m->delta_offset) {
458 2d9e6abf 2022-05-04 stsp err = got_error(GOT_ERR_COMPRESSION);
462 2d9e6abf 2022-05-04 stsp m->delta_len = delta_len;
463 2d9e6abf 2022-05-04 stsp m->delta_compressed_len = compressed_len;
465 2d9e6abf 2022-05-04 stsp got_deflate_end(&zb);
466 2d9e6abf 2022-05-04 stsp return err;
469 211cfef0 2022-01-05 stsp static const struct got_error *
470 211cfef0 2022-01-05 stsp report_progress(got_pack_progress_cb progress_cb, void *progress_arg,
471 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, int ncolored, int nfound, int ntrees,
472 b8af7c06 2022-03-15 stsp off_t packfile_size, int ncommits, int nobj_total, int obj_deltify,
473 b8af7c06 2022-03-15 stsp int nobj_written)
475 211cfef0 2022-01-05 stsp const struct got_error *err;
476 211cfef0 2022-01-05 stsp int elapsed;
478 211cfef0 2022-01-05 stsp if (progress_cb == NULL)
479 211cfef0 2022-01-05 stsp return NULL;
481 211cfef0 2022-01-05 stsp err = got_ratelimit_check(&elapsed, rl);
482 211cfef0 2022-01-05 stsp if (err || !elapsed)
483 211cfef0 2022-01-05 stsp return err;
485 b8af7c06 2022-03-15 stsp return progress_cb(progress_arg, ncolored, nfound, ntrees,
486 b8af7c06 2022-03-15 stsp packfile_size, ncommits, nobj_total, obj_deltify, nobj_written);
489 e6bcace5 2021-06-22 stsp static const struct got_error *
490 67fd6849 2022-02-13 stsp add_meta(struct got_pack_meta *m, struct got_pack_metavec *v)
492 67fd6849 2022-02-13 stsp if (v->nmeta == v->metasz){
493 67fd6849 2022-02-13 stsp size_t newsize = 2 * v->metasz;
494 67fd6849 2022-02-13 stsp struct got_pack_meta **new;
495 67fd6849 2022-02-13 stsp new = reallocarray(v->meta, newsize, sizeof(*new));
496 67fd6849 2022-02-13 stsp if (new == NULL)
497 67fd6849 2022-02-13 stsp return got_error_from_errno("reallocarray");
498 67fd6849 2022-02-13 stsp v->meta = new;
499 67fd6849 2022-02-13 stsp v->metasz = newsize;
502 67fd6849 2022-02-13 stsp v->meta[v->nmeta++] = m;
503 67fd6849 2022-02-13 stsp return NULL;
506 67fd6849 2022-02-13 stsp static const struct got_error *
507 67fd6849 2022-02-13 stsp find_pack_for_reuse(struct got_packidx **best_packidx,
508 67fd6849 2022-02-13 stsp struct got_repository *repo)
510 9b576444 2022-03-14 stsp const struct got_error *err = NULL;
511 67fd6849 2022-02-13 stsp struct got_pathlist_entry *pe;
512 67fd6849 2022-02-13 stsp const char *best_packidx_path = NULL;
513 67fd6849 2022-02-13 stsp int nobj_max = 0;
515 67fd6849 2022-02-13 stsp *best_packidx = NULL;
517 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
518 67fd6849 2022-02-13 stsp const char *path_packidx = pe->path;
519 67fd6849 2022-02-13 stsp struct got_packidx *packidx;
522 67fd6849 2022-02-13 stsp err = got_repo_get_packidx(&packidx, path_packidx, repo);
526 67fd6849 2022-02-13 stsp nobj = be32toh(packidx->hdr.fanout_table[0xff]);
527 67fd6849 2022-02-13 stsp if (nobj > nobj_max) {
528 67fd6849 2022-02-13 stsp best_packidx_path = path_packidx;
529 67fd6849 2022-02-13 stsp nobj_max = nobj;
533 67fd6849 2022-02-13 stsp if (best_packidx_path) {
534 67fd6849 2022-02-13 stsp err = got_repo_get_packidx(best_packidx, best_packidx_path,
538 67fd6849 2022-02-13 stsp return err;
541 fae7e038 2022-05-07 stsp struct send_id_arg {
542 fae7e038 2022-05-07 stsp struct imsgbuf *ibuf;
543 fae7e038 2022-05-07 stsp struct got_object_id *ids[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
544 fae7e038 2022-05-07 stsp size_t nids;
547 67fd6849 2022-02-13 stsp static const struct got_error *
548 fae7e038 2022-05-07 stsp send_id(struct got_object_id *id, void *data, void *arg)
550 fae7e038 2022-05-07 stsp const struct got_error *err = NULL;
551 fae7e038 2022-05-07 stsp struct send_id_arg *a = arg;
553 fae7e038 2022-05-07 stsp a->ids[a->nids++] = id;
555 fae7e038 2022-05-07 stsp if (a->nids >= GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
556 fae7e038 2022-05-07 stsp err = got_privsep_send_object_idlist(a->ibuf, a->ids, a->nids);
558 67fd6849 2022-02-13 stsp return err;
559 fae7e038 2022-05-07 stsp a->nids = 0;
562 fae7e038 2022-05-07 stsp return NULL;
565 fae7e038 2022-05-07 stsp static const struct got_error *
566 fae7e038 2022-05-07 stsp recv_reused_delta(struct got_imsg_reused_delta *delta,
567 fae7e038 2022-05-07 stsp struct got_object_idset *idset, struct got_pack_metavec *v)
569 fae7e038 2022-05-07 stsp struct got_pack_meta *m, *base;
571 fae7e038 2022-05-07 stsp if (delta->delta_offset + delta->delta_size < delta->delta_offset ||
572 fae7e038 2022-05-07 stsp delta->delta_offset +
573 fae7e038 2022-05-07 stsp delta->delta_compressed_size < delta->delta_offset)
574 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_BAD_PACKFILE);
576 fae7e038 2022-05-07 stsp m = got_object_idset_get(idset, &delta->id);
577 fae7e038 2022-05-07 stsp if (m == NULL)
578 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_OBJ);
580 fae7e038 2022-05-07 stsp base = got_object_idset_get(idset, &delta->base_id);
581 fae7e038 2022-05-07 stsp if (base == NULL)
582 fae7e038 2022-05-07 stsp return got_error(GOT_ERR_NO_OBJ);
584 fae7e038 2022-05-07 stsp m->delta_len = delta->delta_size;
585 fae7e038 2022-05-07 stsp m->delta_compressed_len = delta->delta_compressed_size;
586 fae7e038 2022-05-07 stsp m->delta_offset = delta->delta_out_offset;
587 fae7e038 2022-05-07 stsp m->prev = base;
588 fae7e038 2022-05-07 stsp m->size = delta->result_size;
589 fae7e038 2022-05-07 stsp m->reused_delta_offset = delta->delta_offset;
590 fae7e038 2022-05-07 stsp m->base_obj_id = got_object_id_dup(&delta->base_id);
591 fae7e038 2022-05-07 stsp if (m->base_obj_id == NULL)
592 fae7e038 2022-05-07 stsp return got_error_from_errno("got_object_id_dup");
594 fae7e038 2022-05-07 stsp return add_meta(m, v);
597 67fd6849 2022-02-13 stsp static const struct got_error *
598 67fd6849 2022-02-13 stsp search_deltas(struct got_pack_metavec *v, struct got_object_idset *idset,
599 b8af7c06 2022-03-15 stsp int delta_cache_fd, int ncolored, int nfound, int ntrees, int ncommits,
600 b8af7c06 2022-03-15 stsp struct got_repository *repo,
601 67fd6849 2022-02-13 stsp got_pack_progress_cb progress_cb, void *progress_arg,
602 67fd6849 2022-02-13 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
604 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
605 67fd6849 2022-02-13 stsp struct got_packidx *packidx;
606 67fd6849 2022-02-13 stsp struct got_pack *pack;
607 fae7e038 2022-05-07 stsp struct send_id_arg sia;
608 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta deltas[GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS];
609 fae7e038 2022-05-07 stsp size_t ndeltas, i;
611 67fd6849 2022-02-13 stsp err = find_pack_for_reuse(&packidx, repo);
613 67fd6849 2022-02-13 stsp return err;
615 67fd6849 2022-02-13 stsp if (packidx == NULL)
616 67fd6849 2022-02-13 stsp return NULL;
618 fae7e038 2022-05-07 stsp err = got_object_prepare_delta_reuse(&pack, packidx,
619 fae7e038 2022-05-07 stsp delta_cache_fd, repo);
621 67fd6849 2022-02-13 stsp return err;
623 fae7e038 2022-05-07 stsp memset(&sia, 0, sizeof(sia));
624 fae7e038 2022-05-07 stsp sia.ibuf = pack->privsep_child->ibuf;
625 fae7e038 2022-05-07 stsp err = got_object_idset_for_each(idset, send_id, &sia);
627 fae7e038 2022-05-07 stsp return err;
628 fae7e038 2022-05-07 stsp if (sia.nids > 0) {
629 fae7e038 2022-05-07 stsp err = got_privsep_send_object_idlist(pack->privsep_child->ibuf,
630 fae7e038 2022-05-07 stsp sia.ids, sia.nids);
632 fae7e038 2022-05-07 stsp return err;
634 fae7e038 2022-05-07 stsp err = got_privsep_send_object_idlist_done(pack->privsep_child->ibuf);
636 fae7e038 2022-05-07 stsp return err;
639 fae7e038 2022-05-07 stsp int done = 0;
641 fae7e038 2022-05-07 stsp if (cancel_cb) {
642 fae7e038 2022-05-07 stsp err = (*cancel_cb)(cancel_arg);
647 fae7e038 2022-05-07 stsp err = got_privsep_recv_reused_deltas(&done, deltas, &ndeltas,
648 fae7e038 2022-05-07 stsp pack->privsep_child->ibuf);
649 fae7e038 2022-05-07 stsp if (err || done)
652 fae7e038 2022-05-07 stsp for (i = 0; i < ndeltas; i++) {
653 fae7e038 2022-05-07 stsp struct got_imsg_reused_delta *delta = &deltas[i];
654 fae7e038 2022-05-07 stsp err = recv_reused_delta(delta, idset, v);
659 fae7e038 2022-05-07 stsp err = report_progress(progress_cb, progress_arg, rl,
660 fae7e038 2022-05-07 stsp ncolored, nfound, ntrees, 0L, ncommits,
661 fae7e038 2022-05-07 stsp got_object_idset_num_elements(idset), v->nmeta, 0);
666 67fd6849 2022-02-13 stsp return err;
669 67fd6849 2022-02-13 stsp static const struct got_error *
670 b8af7c06 2022-03-15 stsp pick_deltas(struct got_pack_meta **meta, int nmeta, int ncolored,
671 b8af7c06 2022-03-15 stsp int nfound, int ntrees, int ncommits, int nreused, FILE *delta_cache,
672 b8af7c06 2022-03-15 stsp struct got_repository *repo,
673 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
674 211cfef0 2022-01-05 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
676 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
677 e6bcace5 2021-06-22 stsp struct got_pack_meta *m = NULL, *base = NULL;
678 e6bcace5 2021-06-22 stsp struct got_raw_object *raw = NULL, *base_raw = NULL;
679 74881701 2021-10-15 stsp struct got_delta_instruction *deltas = NULL, *best_deltas = NULL;
680 5060d5a1 2022-01-10 stsp int i, j, ndeltas, best_ndeltas;
681 5060d5a1 2022-01-10 stsp off_t size, best_size;
682 4f4d853e 2021-10-24 stsp const int max_base_candidates = 3;
683 402a5ec1 2022-01-10 stsp size_t delta_memsize = 0;
684 adb4bbb2 2022-05-20 stsp const size_t max_delta_memsize = 4 * GOT_DELTA_RESULT_SIZE_CACHED_MAX;
685 cc7a354a 2021-10-15 stsp int outfd = -1;
686 d6a28ffe 2022-05-20 op uint32_t delta_seed;
688 d6a28ffe 2022-05-20 op delta_seed = arc4random();
690 e6bcace5 2021-06-22 stsp qsort(meta, nmeta, sizeof(struct got_pack_meta *), delta_order_cmp);
691 e6bcace5 2021-06-22 stsp for (i = 0; i < nmeta; i++) {
692 e6bcace5 2021-06-22 stsp if (cancel_cb) {
693 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
697 211cfef0 2022-01-05 stsp err = report_progress(progress_cb, progress_arg, rl,
698 b8af7c06 2022-03-15 stsp ncolored, nfound, ntrees, 0L, ncommits, nreused + nmeta,
699 b8af7c06 2022-03-15 stsp nreused + i, 0);
702 e6bcace5 2021-06-22 stsp m = meta[i];
704 e6bcace5 2021-06-22 stsp if (m->obj_type == GOT_OBJ_TYPE_COMMIT ||
705 e6bcace5 2021-06-22 stsp m->obj_type == GOT_OBJ_TYPE_TAG)
708 94dac27c 2021-10-15 stsp err = got_object_raw_open(&raw, &outfd, repo, &m->id);
711 600b755e 2021-10-14 stsp m->size = raw->size;
713 64a8571e 2022-01-07 stsp if (raw->f == NULL) {
714 64a8571e 2022-01-07 stsp err = got_deltify_init_mem(&m->dtab, raw->data,
715 d6a28ffe 2022-05-20 op raw->hdrlen, raw->size + raw->hdrlen, delta_seed);
717 64a8571e 2022-01-07 stsp err = got_deltify_init(&m->dtab, raw->f, raw->hdrlen,
718 d6a28ffe 2022-05-20 op raw->size + raw->hdrlen, delta_seed);
723 e6bcace5 2021-06-22 stsp if (i > max_base_candidates) {
724 e6bcace5 2021-06-22 stsp struct got_pack_meta *n = NULL;
725 e6bcace5 2021-06-22 stsp n = meta[i - (max_base_candidates + 1)];
726 e6bcace5 2021-06-22 stsp got_deltify_free(n->dtab);
727 e6bcace5 2021-06-22 stsp n->dtab = NULL;
730 74881701 2021-10-15 stsp best_size = raw->size;
731 74881701 2021-10-15 stsp best_ndeltas = 0;
732 e6bcace5 2021-06-22 stsp for (j = MAX(0, i - max_base_candidates); j < i; j++) {
733 e6bcace5 2021-06-22 stsp if (cancel_cb) {
734 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
738 e6bcace5 2021-06-22 stsp base = meta[j];
739 e6bcace5 2021-06-22 stsp /* long chains make unpacking slow, avoid such bases */
740 22edbce7 2021-10-24 stsp if (base->nchain >= 128 ||
741 e6bcace5 2021-06-22 stsp base->obj_type != m->obj_type)
744 d3c116bf 2021-10-15 stsp err = got_object_raw_open(&base_raw, &outfd, repo,
745 94dac27c 2021-10-15 stsp &base->id);
749 64a8571e 2022-01-07 stsp if (raw->f == NULL && base_raw->f == NULL) {
750 64a8571e 2022-01-07 stsp err = got_deltify_mem_mem(&deltas, &ndeltas,
751 64a8571e 2022-01-07 stsp raw->data, raw->hdrlen,
752 d6a28ffe 2022-05-20 op raw->size + raw->hdrlen, delta_seed,
753 64a8571e 2022-01-07 stsp base->dtab, base_raw->data,
754 64a8571e 2022-01-07 stsp base_raw->hdrlen,
755 64a8571e 2022-01-07 stsp base_raw->size + base_raw->hdrlen);
756 64a8571e 2022-01-07 stsp } else if (raw->f == NULL) {
757 64a8571e 2022-01-07 stsp err = got_deltify_mem_file(&deltas, &ndeltas,
758 64a8571e 2022-01-07 stsp raw->data, raw->hdrlen,
759 d6a28ffe 2022-05-20 op raw->size + raw->hdrlen, delta_seed,
760 64a8571e 2022-01-07 stsp base->dtab, base_raw->f,
761 64a8571e 2022-01-07 stsp base_raw->hdrlen,
762 64a8571e 2022-01-07 stsp base_raw->size + base_raw->hdrlen);
763 64a8571e 2022-01-07 stsp } else if (base_raw->f == NULL) {
764 64a8571e 2022-01-07 stsp err = got_deltify_file_mem(&deltas, &ndeltas,
765 64a8571e 2022-01-07 stsp raw->f, raw->hdrlen,
766 d6a28ffe 2022-05-20 op raw->size + raw->hdrlen, delta_seed,
767 64a8571e 2022-01-07 stsp base->dtab, base_raw->data,
768 64a8571e 2022-01-07 stsp base_raw->hdrlen,
769 64a8571e 2022-01-07 stsp base_raw->size + base_raw->hdrlen);
771 64a8571e 2022-01-07 stsp err = got_deltify(&deltas, &ndeltas,
772 64a8571e 2022-01-07 stsp raw->f, raw->hdrlen,
773 d6a28ffe 2022-05-20 op raw->size + raw->hdrlen, delta_seed,
774 64a8571e 2022-01-07 stsp base->dtab, base_raw->f, base_raw->hdrlen,
775 64a8571e 2022-01-07 stsp base_raw->size + base_raw->hdrlen);
777 e6bcace5 2021-06-22 stsp got_object_raw_close(base_raw);
778 e6bcace5 2021-06-22 stsp base_raw = NULL;
782 e6bcace5 2021-06-22 stsp size = delta_size(deltas, ndeltas);
783 74881701 2021-10-15 stsp if (size + 32 < best_size){
785 e6bcace5 2021-06-22 stsp * if we already picked a best delta,
786 e6bcace5 2021-06-22 stsp * replace it.
788 74881701 2021-10-15 stsp best_size = size;
789 74881701 2021-10-15 stsp free(best_deltas);
790 74881701 2021-10-15 stsp best_deltas = deltas;
791 74881701 2021-10-15 stsp best_ndeltas = ndeltas;
792 74881701 2021-10-15 stsp deltas = NULL;
793 e6bcace5 2021-06-22 stsp m->nchain = base->nchain + 1;
794 e6bcace5 2021-06-22 stsp m->prev = base;
795 e6bcace5 2021-06-22 stsp m->head = base->head;
796 e6bcace5 2021-06-22 stsp if (m->head == NULL)
797 e6bcace5 2021-06-22 stsp m->head = base;
799 e6bcace5 2021-06-22 stsp free(deltas);
800 e6bcace5 2021-06-22 stsp deltas = NULL;
801 e6bcace5 2021-06-22 stsp ndeltas = 0;
805 74881701 2021-10-15 stsp if (best_ndeltas > 0) {
806 402a5ec1 2022-01-10 stsp if (best_size <= GOT_DELTA_RESULT_SIZE_CACHED_MAX &&
807 402a5ec1 2022-01-10 stsp delta_memsize + best_size <= max_delta_memsize) {
808 402a5ec1 2022-01-10 stsp delta_memsize += best_size;
809 5060d5a1 2022-01-10 stsp err = encode_delta_in_mem(m, raw, best_deltas,
810 5060d5a1 2022-01-10 stsp best_ndeltas, best_size, m->prev->size);
812 5060d5a1 2022-01-10 stsp m->delta_offset = ftello(delta_cache);
813 5060d5a1 2022-01-10 stsp err = encode_delta(m, raw, best_deltas,
814 5060d5a1 2022-01-10 stsp best_ndeltas, m->prev->size, delta_cache);
816 74881701 2021-10-15 stsp free(best_deltas);
817 74881701 2021-10-15 stsp best_deltas = NULL;
818 74881701 2021-10-15 stsp best_ndeltas = 0;
823 e6bcace5 2021-06-22 stsp got_object_raw_close(raw);
824 e6bcace5 2021-06-22 stsp raw = NULL;
827 e6bcace5 2021-06-22 stsp for (i = MAX(0, nmeta - max_base_candidates); i < nmeta; i++) {
828 e6bcace5 2021-06-22 stsp got_deltify_free(meta[i]->dtab);
829 e6bcace5 2021-06-22 stsp meta[i]->dtab = NULL;
832 e6bcace5 2021-06-22 stsp got_object_raw_close(raw);
833 e6bcace5 2021-06-22 stsp if (base_raw)
834 e6bcace5 2021-06-22 stsp got_object_raw_close(base_raw);
835 cc7a354a 2021-10-15 stsp if (outfd != -1 && close(outfd) == -1 && err == NULL)
836 cc7a354a 2021-10-15 stsp err = got_error_from_errno("close");
837 74881701 2021-10-15 stsp free(deltas);
838 74881701 2021-10-15 stsp free(best_deltas);
839 e6bcace5 2021-06-22 stsp return err;
842 e6bcace5 2021-06-22 stsp static const struct got_error *
843 05118f5a 2021-06-22 stsp search_packidx(int *found, struct got_object_id *id,
844 05118f5a 2021-06-22 stsp struct got_repository *repo)
846 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
847 05118f5a 2021-06-22 stsp struct got_packidx *packidx = NULL;
850 05118f5a 2021-06-22 stsp *found = 0;
852 05118f5a 2021-06-22 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
853 05118f5a 2021-06-22 stsp if (err == NULL)
854 05118f5a 2021-06-22 stsp *found = 1; /* object is already packed */
855 05118f5a 2021-06-22 stsp else if (err->code == GOT_ERR_NO_OBJ)
856 05118f5a 2021-06-22 stsp err = NULL;
857 05118f5a 2021-06-22 stsp return err;
860 05118f5a 2021-06-22 stsp static const struct got_error *
861 67fd6849 2022-02-13 stsp add_object(int want_meta, struct got_object_idset *idset,
862 e6bcace5 2021-06-22 stsp struct got_object_id *id, const char *path, int obj_type,
863 d6a28ffe 2022-05-20 op time_t mtime, uint32_t seed, int loose_obj_only,
864 d6a28ffe 2022-05-20 op struct got_repository *repo, int *ncolored, int *nfound, int *ntrees,
865 6863cbf9 2022-03-21 stsp got_pack_progress_cb progress_cb, void *progress_arg,
866 6863cbf9 2022-03-21 stsp struct got_ratelimit *rl)
868 e6bcace5 2021-06-22 stsp const struct got_error *err;
869 67fd6849 2022-02-13 stsp struct got_pack_meta *m = NULL;
871 05118f5a 2021-06-22 stsp if (loose_obj_only) {
872 05118f5a 2021-06-22 stsp int is_packed;
873 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
875 05118f5a 2021-06-22 stsp return err;
876 cdeb891a 2022-03-21 stsp if (is_packed && want_meta)
877 05118f5a 2021-06-22 stsp return NULL;
880 67fd6849 2022-02-13 stsp if (want_meta) {
881 d6a28ffe 2022-05-20 op err = alloc_meta(&m, id, path, obj_type, mtime, seed);
883 6863cbf9 2022-03-21 stsp return err;
885 6863cbf9 2022-03-21 stsp (*nfound)++;
886 6863cbf9 2022-03-21 stsp err = report_progress(progress_cb, progress_arg, rl,
887 6863cbf9 2022-03-21 stsp *ncolored, *nfound, *ntrees, 0L, 0, 0, 0, 0);
889 bb6672b6 2022-04-14 tb clear_meta(m);
891 67fd6849 2022-02-13 stsp return err;
895 bb6672b6 2022-04-14 tb err = got_object_idset_add(idset, id, m);
897 bb6672b6 2022-04-14 tb clear_meta(m);
903 e6bcace5 2021-06-22 stsp static const struct got_error *
904 67fd6849 2022-02-13 stsp load_tree_entries(struct got_object_id_queue *ids, int want_meta,
905 2f8438b0 2022-05-04 stsp struct got_object_idset *idset, struct got_object_idset *idset_exclude,
906 0ab4c957 2022-06-13 stsp struct got_tree_object *tree,
907 d6a28ffe 2022-05-20 op const char *dpath, time_t mtime, uint32_t seed, struct got_repository *repo,
908 b8af7c06 2022-03-15 stsp int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
909 b8af7c06 2022-03-15 stsp got_pack_progress_cb progress_cb, void *progress_arg,
910 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
912 e6bcace5 2021-06-22 stsp const struct got_error *err;
913 e6bcace5 2021-06-22 stsp char *p = NULL;
916 b8af7c06 2022-03-15 stsp (*ntrees)++;
917 b8af7c06 2022-03-15 stsp err = report_progress(progress_cb, progress_arg, rl,
918 b8af7c06 2022-03-15 stsp *ncolored, *nfound, *ntrees, 0L, 0, 0, 0, 0);
920 e6bcace5 2021-06-22 stsp return err;
922 e6bcace5 2021-06-22 stsp for (i = 0; i < got_object_tree_get_nentries(tree); i++) {
923 e6bcace5 2021-06-22 stsp struct got_tree_entry *e = got_object_tree_get_entry(tree, i);
924 e6bcace5 2021-06-22 stsp struct got_object_id *id = got_tree_entry_get_id(e);
925 e6bcace5 2021-06-22 stsp mode_t mode = got_tree_entry_get_mode(e);
927 e6bcace5 2021-06-22 stsp if (cancel_cb) {
928 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
933 3af9de88 2021-09-22 stsp if (got_object_tree_entry_is_submodule(e) ||
934 2f8438b0 2022-05-04 stsp got_object_idset_contains(idset, id) ||
935 2f8438b0 2022-05-04 stsp got_object_idset_contains(idset_exclude, id))
939 0ab4c957 2022-06-13 stsp * If got-read-pack is crawling trees for us then
940 0ab4c957 2022-06-13 stsp * we are only here to collect blob IDs.
942 0ab4c957 2022-06-13 stsp if (ids == NULL && S_ISDIR(mode))
945 0ab4c957 2022-06-13 stsp if (asprintf(&p, "%s%s%s", dpath,
946 0ab4c957 2022-06-13 stsp got_path_is_root_dir(dpath) ? "" : "/",
947 e6bcace5 2021-06-22 stsp got_tree_entry_get_name(e)) == -1) {
948 e6bcace5 2021-06-22 stsp err = got_error_from_errno("asprintf");
952 e6bcace5 2021-06-22 stsp if (S_ISDIR(mode)) {
953 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
954 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, id);
957 3e6ceea0 2022-05-20 stsp qid->data = p;
959 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(ids, qid, entry);
960 3af9de88 2021-09-22 stsp } else if (S_ISREG(mode) || S_ISLNK(mode)) {
961 2f8438b0 2022-05-04 stsp err = add_object(want_meta,
962 2f8438b0 2022-05-04 stsp want_meta ? idset : idset_exclude, id, p,
963 d6a28ffe 2022-05-20 op GOT_OBJ_TYPE_BLOB, mtime, seed, loose_obj_only,
964 d6a28ffe 2022-05-20 op repo, ncolored, nfound, ntrees,
965 6863cbf9 2022-03-21 stsp progress_cb, progress_arg, rl);
977 e6bcace5 2021-06-22 stsp return err;
980 e6bcace5 2021-06-22 stsp static const struct got_error *
981 67fd6849 2022-02-13 stsp load_tree(int want_meta, struct got_object_idset *idset,
982 2f8438b0 2022-05-04 stsp struct got_object_idset *idset_exclude,
983 e6bcace5 2021-06-22 stsp struct got_object_id *tree_id, const char *dpath, time_t mtime,
984 d6a28ffe 2022-05-20 op uint32_t seed, struct got_repository *repo, int loose_obj_only,
985 b8af7c06 2022-03-15 stsp int *ncolored, int *nfound, int *ntrees,
986 b8af7c06 2022-03-15 stsp got_pack_progress_cb progress_cb, void *progress_arg,
987 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
989 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
990 e6bcace5 2021-06-22 stsp struct got_object_id_queue tree_ids;
991 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
992 0ab4c957 2022-06-13 stsp struct got_tree_object *tree = NULL;
994 2f8438b0 2022-05-04 stsp if (got_object_idset_contains(idset, tree_id) ||
995 2f8438b0 2022-05-04 stsp got_object_idset_contains(idset_exclude, tree_id))
996 e6bcace5 2021-06-22 stsp return NULL;
998 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, tree_id);
1000 3e6ceea0 2022-05-20 stsp return err;
1001 3e6ceea0 2022-05-20 stsp qid->data = strdup(dpath);
1002 3e6ceea0 2022-05-20 stsp if (qid->data == NULL) {
1003 3e6ceea0 2022-05-20 stsp err = got_error_from_errno("strdup");
1004 3e6ceea0 2022-05-20 stsp got_object_qid_free(qid);
1005 e6bcace5 2021-06-22 stsp return err;
1008 dbdddfee 2021-06-23 naddy STAILQ_INIT(&tree_ids);
1009 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&tree_ids, qid, entry);
1011 dbdddfee 2021-06-23 naddy while (!STAILQ_EMPTY(&tree_ids)) {
1012 3e6ceea0 2022-05-20 stsp const char *path;
1013 e6bcace5 2021-06-22 stsp if (cancel_cb) {
1014 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
1019 dbdddfee 2021-06-23 naddy qid = STAILQ_FIRST(&tree_ids);
1020 dbdddfee 2021-06-23 naddy STAILQ_REMOVE_HEAD(&tree_ids, entry);
1021 3e6ceea0 2022-05-20 stsp path = qid->data;
1023 2f8438b0 2022-05-04 stsp if (got_object_idset_contains(idset, &qid->id) ||
1024 2f8438b0 2022-05-04 stsp got_object_idset_contains(idset_exclude, &qid->id)) {
1025 3e6ceea0 2022-05-20 stsp free(qid->data);
1026 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1030 2f8438b0 2022-05-04 stsp err = add_object(want_meta, want_meta ? idset : idset_exclude,
1031 3e6ceea0 2022-05-20 stsp &qid->id, path, GOT_OBJ_TYPE_TREE,
1032 d6a28ffe 2022-05-20 op mtime, seed, loose_obj_only, repo,
1033 6863cbf9 2022-03-21 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1034 e6bcace5 2021-06-22 stsp if (err) {
1035 3e6ceea0 2022-05-20 stsp free(qid->data);
1036 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1040 0ab4c957 2022-06-13 stsp err = got_object_open_as_tree(&tree, repo, &qid->id);
1041 0ab4c957 2022-06-13 stsp if (err) {
1042 0ab4c957 2022-06-13 stsp free(qid->data);
1043 0ab4c957 2022-06-13 stsp got_object_qid_free(qid);
1047 2f8438b0 2022-05-04 stsp err = load_tree_entries(&tree_ids, want_meta, idset,
1048 0ab4c957 2022-06-13 stsp idset_exclude, tree, path, mtime, seed, repo,
1049 0ab4c957 2022-06-13 stsp loose_obj_only, ncolored, nfound, ntrees,
1050 0ab4c957 2022-06-13 stsp progress_cb, progress_arg, rl,
1051 b8af7c06 2022-03-15 stsp cancel_cb, cancel_arg);
1052 3e6ceea0 2022-05-20 stsp free(qid->data);
1053 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1057 0ab4c957 2022-06-13 stsp got_object_tree_close(tree);
1058 0ab4c957 2022-06-13 stsp tree = NULL;
1061 3e6ceea0 2022-05-20 stsp STAILQ_FOREACH(qid, &tree_ids, entry)
1062 3e6ceea0 2022-05-20 stsp free(qid->data);
1063 e6bcace5 2021-06-22 stsp got_object_id_queue_free(&tree_ids);
1065 0ab4c957 2022-06-13 stsp got_object_tree_close(tree);
1066 e6bcace5 2021-06-22 stsp return err;
1069 e6bcace5 2021-06-22 stsp static const struct got_error *
1070 67fd6849 2022-02-13 stsp load_commit(int want_meta, struct got_object_idset *idset,
1071 2f8438b0 2022-05-04 stsp struct got_object_idset *idset_exclude,
1072 d6a28ffe 2022-05-20 op struct got_object_id *id, struct got_repository *repo, uint32_t seed,
1073 d6a28ffe 2022-05-20 op int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
1074 b8af7c06 2022-03-15 stsp got_pack_progress_cb progress_cb, void *progress_arg,
1075 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1077 e6bcace5 2021-06-22 stsp const struct got_error *err;
1078 e6bcace5 2021-06-22 stsp struct got_commit_object *commit;
1080 2f8438b0 2022-05-04 stsp if (got_object_idset_contains(idset, id) ||
1081 2f8438b0 2022-05-04 stsp got_object_idset_contains(idset_exclude, id))
1082 e6bcace5 2021-06-22 stsp return NULL;
1084 05118f5a 2021-06-22 stsp if (loose_obj_only) {
1085 05118f5a 2021-06-22 stsp int is_packed;
1086 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
1088 05118f5a 2021-06-22 stsp return err;
1089 cdeb891a 2022-03-21 stsp if (is_packed && want_meta)
1090 05118f5a 2021-06-22 stsp return NULL;
1093 e6bcace5 2021-06-22 stsp err = got_object_open_as_commit(&commit, repo, id);
1095 e6bcace5 2021-06-22 stsp return err;
1097 2f8438b0 2022-05-04 stsp err = add_object(want_meta, want_meta ? idset : idset_exclude,
1098 2f8438b0 2022-05-04 stsp id, "", GOT_OBJ_TYPE_COMMIT,
1099 d6a28ffe 2022-05-20 op got_object_commit_get_committer_time(commit), seed,
1100 6863cbf9 2022-03-21 stsp loose_obj_only, repo,
1101 6863cbf9 2022-03-21 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1103 e6bcace5 2021-06-22 stsp goto done;
1105 2f8438b0 2022-05-04 stsp err = load_tree(want_meta, idset, idset_exclude,
1106 2f8438b0 2022-05-04 stsp got_object_commit_get_tree_id(commit),
1107 d6a28ffe 2022-05-20 op "", got_object_commit_get_committer_time(commit), seed,
1108 b8af7c06 2022-03-15 stsp repo, loose_obj_only, ncolored, nfound, ntrees,
1109 b8af7c06 2022-03-15 stsp progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1111 e6bcace5 2021-06-22 stsp got_object_commit_close(commit);
1112 e6bcace5 2021-06-22 stsp return err;
1115 05118f5a 2021-06-22 stsp static const struct got_error *
1116 67fd6849 2022-02-13 stsp load_tag(int want_meta, struct got_object_idset *idset,
1117 2f8438b0 2022-05-04 stsp struct got_object_idset *idset_exclude,
1118 d6a28ffe 2022-05-20 op struct got_object_id *id, struct got_repository *repo, uint32_t seed,
1119 d6a28ffe 2022-05-20 op int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
1120 b8af7c06 2022-03-15 stsp got_pack_progress_cb progress_cb, void *progress_arg,
1121 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1123 05118f5a 2021-06-22 stsp const struct got_error *err;
1124 05118f5a 2021-06-22 stsp struct got_tag_object *tag = NULL;
1126 2f8438b0 2022-05-04 stsp if (got_object_idset_contains(idset, id) ||
1127 2f8438b0 2022-05-04 stsp got_object_idset_contains(idset_exclude, id))
1128 05118f5a 2021-06-22 stsp return NULL;
1130 05118f5a 2021-06-22 stsp if (loose_obj_only) {
1131 05118f5a 2021-06-22 stsp int is_packed;
1132 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
1134 05118f5a 2021-06-22 stsp return err;
1135 cdeb891a 2022-03-21 stsp if (is_packed && want_meta)
1136 05118f5a 2021-06-22 stsp return NULL;
1139 05118f5a 2021-06-22 stsp err = got_object_open_as_tag(&tag, repo, id);
1141 05118f5a 2021-06-22 stsp return err;
1143 2f8438b0 2022-05-04 stsp err = add_object(want_meta, want_meta ? idset : idset_exclude,
1144 2f8438b0 2022-05-04 stsp id, "", GOT_OBJ_TYPE_TAG,
1145 d6a28ffe 2022-05-20 op got_object_tag_get_tagger_time(tag), seed, loose_obj_only, repo,
1146 6863cbf9 2022-03-21 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1148 05118f5a 2021-06-22 stsp goto done;
1150 05118f5a 2021-06-22 stsp switch (got_object_tag_get_object_type(tag)) {
1151 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_COMMIT:
1152 2f8438b0 2022-05-04 stsp err = load_commit(want_meta, idset, idset_exclude,
1153 d6a28ffe 2022-05-20 op got_object_tag_get_object_id(tag), repo, seed,
1154 d6a28ffe 2022-05-20 op loose_obj_only, ncolored, nfound, ntrees,
1155 d6a28ffe 2022-05-20 op progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1157 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_TREE:
1158 2f8438b0 2022-05-04 stsp err = load_tree(want_meta, idset, idset_exclude,
1159 67fd6849 2022-02-13 stsp got_object_tag_get_object_id(tag), "",
1160 d6a28ffe 2022-05-20 op got_object_tag_get_tagger_time(tag), seed, repo,
1161 d6a28ffe 2022-05-20 op loose_obj_only, ncolored, nfound, ntrees,
1162 d6a28ffe 2022-05-20 op progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1169 05118f5a 2021-06-22 stsp got_object_tag_close(tag);
1170 05118f5a 2021-06-22 stsp return err;
1173 e6bcace5 2021-06-22 stsp enum findtwixt_color {
1174 e6bcace5 2021-06-22 stsp COLOR_KEEP = 0,
1175 e6bcace5 2021-06-22 stsp COLOR_DROP,
1176 e6bcace5 2021-06-22 stsp COLOR_BLANK,
1177 70f8f24d 2022-04-14 stsp COLOR_SKIP,
1180 e6bcace5 2021-06-22 stsp static const int findtwixt_colors[] = {
1181 e6bcace5 2021-06-22 stsp COLOR_KEEP,
1182 e6bcace5 2021-06-22 stsp COLOR_DROP,
1183 70f8f24d 2022-04-14 stsp COLOR_BLANK,
1184 70f8f24d 2022-04-14 stsp COLOR_SKIP,
1187 e6bcace5 2021-06-22 stsp static const struct got_error *
1188 70f8f24d 2022-04-14 stsp paint_commit(struct got_object_qid *qid, int color)
1190 70f8f24d 2022-04-14 stsp if (color < 0 || color >= nitems(findtwixt_colors))
1191 70f8f24d 2022-04-14 stsp return got_error(GOT_ERR_RANGE);
1193 e6bcace5 2021-06-22 stsp qid->data = (void *)&findtwixt_colors[color];
1194 e6bcace5 2021-06-22 stsp return NULL;
1197 e6bcace5 2021-06-22 stsp static const struct got_error *
1198 70f8f24d 2022-04-14 stsp queue_commit_id(struct got_object_id_queue *ids, struct got_object_id *id,
1199 70f8f24d 2022-04-14 stsp int color, struct got_repository *repo)
1201 70f8f24d 2022-04-14 stsp const struct got_error *err;
1202 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1204 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, id);
1206 e6bcace5 2021-06-22 stsp return err;
1208 70f8f24d 2022-04-14 stsp STAILQ_INSERT_TAIL(ids, qid, entry);
1209 70f8f24d 2022-04-14 stsp return paint_commit(qid, color);
1212 e6bcace5 2021-06-22 stsp struct append_id_arg {
1213 e6bcace5 2021-06-22 stsp struct got_object_id **array;
1215 70f8f24d 2022-04-14 stsp struct got_object_idset *drop;
1216 70f8f24d 2022-04-14 stsp struct got_object_idset *skip;
1219 e6bcace5 2021-06-22 stsp static const struct got_error *
1220 e6bcace5 2021-06-22 stsp append_id(struct got_object_id *id, void *data, void *arg)
1222 e6bcace5 2021-06-22 stsp struct append_id_arg *a = arg;
1224 70f8f24d 2022-04-14 stsp if (got_object_idset_contains(a->skip, id) ||
1225 70f8f24d 2022-04-14 stsp got_object_idset_contains(a->drop, id))
1226 70f8f24d 2022-04-14 stsp return NULL;
1228 70f8f24d 2022-04-14 stsp a->array[++a->idx] = got_object_id_dup(id);
1229 e6bcace5 2021-06-22 stsp if (a->array[a->idx] == NULL)
1230 e6bcace5 2021-06-22 stsp return got_error_from_errno("got_object_id_dup");
1232 e6bcace5 2021-06-22 stsp return NULL;
1235 29e0594f 2022-04-09 stsp static const struct got_error *
1236 29e0594f 2022-04-09 stsp queue_commit_or_tag_id(struct got_object_id *id, int color,
1237 29e0594f 2022-04-09 stsp struct got_object_id_queue *ids, struct got_repository *repo)
1239 29e0594f 2022-04-09 stsp const struct got_error *err;
1240 29e0594f 2022-04-09 stsp struct got_tag_object *tag = NULL;
1241 29e0594f 2022-04-09 stsp int obj_type;
1243 29e0594f 2022-04-09 stsp err = got_object_get_type(&obj_type, repo, id);
1245 29e0594f 2022-04-09 stsp return err;
1247 29e0594f 2022-04-09 stsp if (obj_type == GOT_OBJ_TYPE_TAG) {
1248 29e0594f 2022-04-09 stsp err = got_object_open_as_tag(&tag, repo, id);
1250 29e0594f 2022-04-09 stsp return err;
1251 29e0594f 2022-04-09 stsp obj_type = got_object_tag_get_object_type(tag);
1252 29e0594f 2022-04-09 stsp id = got_object_tag_get_object_id(tag);
1255 29e0594f 2022-04-09 stsp if (obj_type == GOT_OBJ_TYPE_COMMIT) {
1256 29e0594f 2022-04-09 stsp err = queue_commit_id(ids, id, color, repo);
1258 29e0594f 2022-04-09 stsp goto done;
1262 29e0594f 2022-04-09 stsp got_object_tag_close(tag);
1263 29e0594f 2022-04-09 stsp return err;
1266 e6bcace5 2021-06-22 stsp static const struct got_error *
1267 70f8f24d 2022-04-14 stsp paint_commits(int *ncolored, struct got_object_id_queue *ids, int nids,
1268 14dbbf48 2022-04-10 stsp struct got_object_idset *keep, struct got_object_idset *drop,
1269 70f8f24d 2022-04-14 stsp struct got_object_idset *skip, struct got_repository *repo,
1270 b8af7c06 2022-03-15 stsp got_pack_progress_cb progress_cb, void *progress_arg,
1271 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1273 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1274 14dbbf48 2022-04-10 stsp struct got_commit_object *commit = NULL;
1275 70f8f24d 2022-04-14 stsp const struct got_object_id_queue *parents;
1276 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1277 70f8f24d 2022-04-14 stsp int nqueued = nids, nskip = 0;
1279 70f8f24d 2022-04-14 stsp while (!STAILQ_EMPTY(ids) && nskip != nqueued) {
1280 70f8f24d 2022-04-14 stsp int color;
1282 57bc7b6d 2022-04-10 stsp if (cancel_cb) {
1283 57bc7b6d 2022-04-10 stsp err = cancel_cb(cancel_arg);
1288 14dbbf48 2022-04-10 stsp qid = STAILQ_FIRST(ids);
1289 70f8f24d 2022-04-14 stsp STAILQ_REMOVE_HEAD(ids, entry);
1290 70f8f24d 2022-04-14 stsp nqueued--;
1291 70f8f24d 2022-04-14 stsp color = *((int *)qid->data);
1292 70f8f24d 2022-04-14 stsp if (color == COLOR_SKIP)
1295 d7b5a0e8 2022-04-20 stsp if (got_object_idset_contains(skip, &qid->id)) {
1296 70f8f24d 2022-04-14 stsp got_object_qid_free(qid);
1300 70f8f24d 2022-04-14 stsp switch (color) {
1301 70f8f24d 2022-04-14 stsp case COLOR_KEEP:
1302 d7b5a0e8 2022-04-20 stsp if (got_object_idset_contains(keep, &qid->id)) {
1303 70f8f24d 2022-04-14 stsp got_object_qid_free(qid);
1306 d7b5a0e8 2022-04-20 stsp if (got_object_idset_contains(drop, &qid->id)) {
1307 70f8f24d 2022-04-14 stsp err = paint_commit(qid, COLOR_SKIP);
1309 70f8f24d 2022-04-14 stsp goto done;
1311 70f8f24d 2022-04-14 stsp (*ncolored)++;
1312 d7b5a0e8 2022-04-20 stsp err = got_object_idset_add(keep, &qid->id, NULL);
1314 70f8f24d 2022-04-14 stsp goto done;
1316 70f8f24d 2022-04-14 stsp case COLOR_DROP:
1317 d7b5a0e8 2022-04-20 stsp if (got_object_idset_contains(drop, &qid->id)) {
1318 70f8f24d 2022-04-14 stsp got_object_qid_free(qid);
1321 d7b5a0e8 2022-04-20 stsp if (got_object_idset_contains(keep, &qid->id)) {
1322 70f8f24d 2022-04-14 stsp err = paint_commit(qid, COLOR_SKIP);
1324 70f8f24d 2022-04-14 stsp goto done;
1326 70f8f24d 2022-04-14 stsp (*ncolored)++;
1327 d7b5a0e8 2022-04-20 stsp err = got_object_idset_add(drop, &qid->id, NULL);
1329 70f8f24d 2022-04-14 stsp goto done;
1331 70f8f24d 2022-04-14 stsp case COLOR_SKIP:
1332 d7b5a0e8 2022-04-20 stsp if (!got_object_idset_contains(skip, &qid->id)) {
1333 d7b5a0e8 2022-04-20 stsp err = got_object_idset_add(skip, &qid->id,
1336 70f8f24d 2022-04-14 stsp goto done;
1340 70f8f24d 2022-04-14 stsp /* should not happen */
1341 70f8f24d 2022-04-14 stsp err = got_error_fmt(GOT_ERR_NOT_IMPL,
1342 70f8f24d 2022-04-14 stsp "%s invalid commit color %d", __func__, color);
1343 70f8f24d 2022-04-14 stsp goto done;
1346 b8af7c06 2022-03-15 stsp err = report_progress(progress_cb, progress_arg, rl,
1347 b8af7c06 2022-03-15 stsp *ncolored, 0, 0, 0L, 0, 0, 0, 0);
1352 d7b5a0e8 2022-04-20 stsp err = got_object_open_as_commit(&commit, repo, &qid->id);
1356 70f8f24d 2022-04-14 stsp parents = got_object_commit_get_parent_ids(commit);
1357 70f8f24d 2022-04-14 stsp if (parents) {
1358 70f8f24d 2022-04-14 stsp struct got_object_qid *pid;
1359 70f8f24d 2022-04-14 stsp color = *((int *)qid->data);
1360 70f8f24d 2022-04-14 stsp STAILQ_FOREACH(pid, parents, entry) {
1361 d7b5a0e8 2022-04-20 stsp err = queue_commit_id(ids, &pid->id, color,
1365 70f8f24d 2022-04-14 stsp nqueued++;
1366 70f8f24d 2022-04-14 stsp if (color == COLOR_SKIP)
1371 70f8f24d 2022-04-14 stsp got_object_commit_close(commit);
1372 70f8f24d 2022-04-14 stsp commit = NULL;
1373 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1376 14dbbf48 2022-04-10 stsp if (commit)
1377 14dbbf48 2022-04-10 stsp got_object_commit_close(commit);
1378 14dbbf48 2022-04-10 stsp return err;
1381 14dbbf48 2022-04-10 stsp static const struct got_error *
1382 14dbbf48 2022-04-10 stsp findtwixt(struct got_object_id ***res, int *nres, int *ncolored,
1383 14dbbf48 2022-04-10 stsp struct got_object_id **head, int nhead,
1384 14dbbf48 2022-04-10 stsp struct got_object_id **tail, int ntail,
1385 14dbbf48 2022-04-10 stsp struct got_repository *repo,
1386 14dbbf48 2022-04-10 stsp got_pack_progress_cb progress_cb, void *progress_arg,
1387 14dbbf48 2022-04-10 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1389 14dbbf48 2022-04-10 stsp const struct got_error *err = NULL;
1390 14dbbf48 2022-04-10 stsp struct got_object_id_queue ids;
1391 70f8f24d 2022-04-14 stsp struct got_object_idset *keep, *drop, *skip = NULL;
1392 14dbbf48 2022-04-10 stsp int i, nkeep;
1394 14dbbf48 2022-04-10 stsp STAILQ_INIT(&ids);
1395 14dbbf48 2022-04-10 stsp *res = NULL;
1396 14dbbf48 2022-04-10 stsp *nres = 0;
1397 14dbbf48 2022-04-10 stsp *ncolored = 0;
1399 14dbbf48 2022-04-10 stsp keep = got_object_idset_alloc();
1400 14dbbf48 2022-04-10 stsp if (keep == NULL)
1401 14dbbf48 2022-04-10 stsp return got_error_from_errno("got_object_idset_alloc");
1403 14dbbf48 2022-04-10 stsp drop = got_object_idset_alloc();
1404 14dbbf48 2022-04-10 stsp if (drop == NULL) {
1405 14dbbf48 2022-04-10 stsp err = got_error_from_errno("got_object_idset_alloc");
1406 14dbbf48 2022-04-10 stsp goto done;
1409 70f8f24d 2022-04-14 stsp skip = got_object_idset_alloc();
1410 70f8f24d 2022-04-14 stsp if (skip == NULL) {
1411 70f8f24d 2022-04-14 stsp err = got_error_from_errno("got_object_idset_alloc");
1412 70f8f24d 2022-04-14 stsp goto done;
1415 14dbbf48 2022-04-10 stsp for (i = 0; i < nhead; i++) {
1416 14dbbf48 2022-04-10 stsp struct got_object_id *id = head[i];
1417 14dbbf48 2022-04-10 stsp if (id == NULL)
1419 fbafdecf 2022-04-10 stsp err = queue_commit_or_tag_id(id, COLOR_KEEP, &ids, repo);
1421 14dbbf48 2022-04-10 stsp goto done;
1424 14dbbf48 2022-04-10 stsp for (i = 0; i < ntail; i++) {
1425 14dbbf48 2022-04-10 stsp struct got_object_id *id = tail[i];
1426 14dbbf48 2022-04-10 stsp if (id == NULL)
1428 14dbbf48 2022-04-10 stsp err = queue_commit_or_tag_id(id, COLOR_DROP, &ids, repo);
1430 14dbbf48 2022-04-10 stsp goto done;
1433 70f8f24d 2022-04-14 stsp err = paint_commits(ncolored, &ids, nhead + ntail,
1434 70f8f24d 2022-04-14 stsp keep, drop, skip, repo, progress_cb, progress_arg, rl,
1435 70f8f24d 2022-04-14 stsp cancel_cb, cancel_arg);
1437 14dbbf48 2022-04-10 stsp goto done;
1439 e6bcace5 2021-06-22 stsp nkeep = got_object_idset_num_elements(keep);
1440 e6bcace5 2021-06-22 stsp if (nkeep > 0) {
1441 e6bcace5 2021-06-22 stsp struct append_id_arg arg;
1442 e6bcace5 2021-06-22 stsp arg.array = calloc(nkeep, sizeof(struct got_object_id *));
1443 e6bcace5 2021-06-22 stsp if (arg.array == NULL) {
1444 e6bcace5 2021-06-22 stsp err = got_error_from_errno("calloc");
1445 e6bcace5 2021-06-22 stsp goto done;
1447 70f8f24d 2022-04-14 stsp arg.idx = -1;
1448 70f8f24d 2022-04-14 stsp arg.skip = skip;
1449 70f8f24d 2022-04-14 stsp arg.drop = drop;
1450 e6bcace5 2021-06-22 stsp err = got_object_idset_for_each(keep, append_id, &arg);
1451 e6bcace5 2021-06-22 stsp if (err) {
1452 e6bcace5 2021-06-22 stsp free(arg.array);
1453 e6bcace5 2021-06-22 stsp goto done;
1455 e6bcace5 2021-06-22 stsp *res = arg.array;
1456 70f8f24d 2022-04-14 stsp *nres = arg.idx + 1;
1459 e6bcace5 2021-06-22 stsp got_object_idset_free(keep);
1460 e6bcace5 2021-06-22 stsp got_object_idset_free(drop);
1462 70f8f24d 2022-04-14 stsp got_object_idset_free(skip);
1463 e6bcace5 2021-06-22 stsp got_object_id_queue_free(&ids);
1464 0ab4c957 2022-06-13 stsp return err;
1467 0ab4c957 2022-06-13 stsp struct load_packed_obj_arg {
1468 0ab4c957 2022-06-13 stsp /* output parameters: */
1469 0ab4c957 2022-06-13 stsp struct got_object_id *id;
1470 0ab4c957 2022-06-13 stsp char *dpath;
1471 0ab4c957 2022-06-13 stsp time_t mtime;
1473 0ab4c957 2022-06-13 stsp /* input parameters: */
1474 0ab4c957 2022-06-13 stsp uint32_t seed;
1475 0ab4c957 2022-06-13 stsp int want_meta;
1476 0ab4c957 2022-06-13 stsp struct got_object_idset *idset;
1477 0ab4c957 2022-06-13 stsp struct got_object_idset *idset_exclude;
1478 0ab4c957 2022-06-13 stsp int loose_obj_only;
1479 0ab4c957 2022-06-13 stsp int *ncolored;
1480 0ab4c957 2022-06-13 stsp int *nfound;
1481 0ab4c957 2022-06-13 stsp int *ntrees;
1482 0ab4c957 2022-06-13 stsp got_pack_progress_cb progress_cb;
1483 0ab4c957 2022-06-13 stsp void *progress_arg;
1484 0ab4c957 2022-06-13 stsp struct got_ratelimit *rl;
1485 0ab4c957 2022-06-13 stsp got_cancel_cb cancel_cb;
1486 0ab4c957 2022-06-13 stsp void *cancel_arg;
1489 0ab4c957 2022-06-13 stsp static const struct got_error *
1490 0ab4c957 2022-06-13 stsp load_packed_commit_id(void *arg, time_t mtime, struct got_object_id *id,
1491 0ab4c957 2022-06-13 stsp struct got_repository *repo)
1493 0ab4c957 2022-06-13 stsp struct load_packed_obj_arg *a = arg;
1495 0ab4c957 2022-06-13 stsp if (got_object_idset_contains(a->idset, id) ||
1496 0ab4c957 2022-06-13 stsp got_object_idset_contains(a->idset_exclude, id))
1497 0ab4c957 2022-06-13 stsp return NULL;
1499 0ab4c957 2022-06-13 stsp return add_object(a->want_meta,
1500 0ab4c957 2022-06-13 stsp a->want_meta ? a->idset : a->idset_exclude,
1501 0ab4c957 2022-06-13 stsp id, "", GOT_OBJ_TYPE_COMMIT, mtime, a->seed, a->loose_obj_only,
1502 0ab4c957 2022-06-13 stsp repo, a->ncolored, a->nfound, a->ntrees,
1503 0ab4c957 2022-06-13 stsp a->progress_cb, a->progress_arg, a->rl);
1506 0ab4c957 2022-06-13 stsp static const struct got_error *
1507 0ab4c957 2022-06-13 stsp load_packed_tree_ids(void *arg, struct got_tree_object *tree, time_t mtime,
1508 0ab4c957 2022-06-13 stsp struct got_object_id *id, const char *dpath, struct got_repository *repo)
1510 0ab4c957 2022-06-13 stsp const struct got_error *err;
1511 0ab4c957 2022-06-13 stsp struct load_packed_obj_arg *a = arg;
1512 0ab4c957 2022-06-13 stsp const char *relpath;
1515 0ab4c957 2022-06-13 stsp * When we receive a tree's ID and path but not the tree itself,
1516 0ab4c957 2022-06-13 stsp * this tree object was not found in the pack file. This is the
1517 0ab4c957 2022-06-13 stsp * last time we are being called for this optimized traversal.
1518 0ab4c957 2022-06-13 stsp * Return from here and switch to loading objects the slow way.
1520 0ab4c957 2022-06-13 stsp if (tree == NULL) {
1521 0ab4c957 2022-06-13 stsp free(a->id);
1522 0ab4c957 2022-06-13 stsp a->id = got_object_id_dup(id);
1523 0ab4c957 2022-06-13 stsp if (a->id == NULL) {
1524 0ab4c957 2022-06-13 stsp err = got_error_from_errno("got_object_id_dup");
1525 0ab4c957 2022-06-13 stsp free(a->dpath);
1526 0ab4c957 2022-06-13 stsp a->dpath = NULL;
1527 0ab4c957 2022-06-13 stsp return err;
1530 0ab4c957 2022-06-13 stsp free(a->dpath);
1531 0ab4c957 2022-06-13 stsp a->dpath = strdup(dpath);
1532 0ab4c957 2022-06-13 stsp if (a->dpath == NULL) {
1533 0ab4c957 2022-06-13 stsp err = got_error_from_errno("strdup");
1534 0ab4c957 2022-06-13 stsp free(a->id);
1535 0ab4c957 2022-06-13 stsp a->id = NULL;
1536 0ab4c957 2022-06-13 stsp return err;
1539 0ab4c957 2022-06-13 stsp a->mtime = mtime;
1540 0ab4c957 2022-06-13 stsp return NULL;
1543 0ab4c957 2022-06-13 stsp if (got_object_idset_contains(a->idset, id) ||
1544 0ab4c957 2022-06-13 stsp got_object_idset_contains(a->idset_exclude, id))
1545 0ab4c957 2022-06-13 stsp return NULL;
1547 0ab4c957 2022-06-13 stsp relpath = dpath;
1548 0ab4c957 2022-06-13 stsp while (relpath[0] == '/')
1549 0ab4c957 2022-06-13 stsp relpath++;
1551 0ab4c957 2022-06-13 stsp err = add_object(a->want_meta,
1552 0ab4c957 2022-06-13 stsp a->want_meta ? a->idset : a->idset_exclude,
1553 0ab4c957 2022-06-13 stsp id, relpath, GOT_OBJ_TYPE_TREE, mtime, a->seed,
1554 0ab4c957 2022-06-13 stsp a->loose_obj_only, repo, a->ncolored, a->nfound, a->ntrees,
1555 0ab4c957 2022-06-13 stsp a->progress_cb, a->progress_arg, a->rl);
1557 0ab4c957 2022-06-13 stsp return err;
1559 0ab4c957 2022-06-13 stsp return load_tree_entries(NULL, a->want_meta, a->idset,
1560 0ab4c957 2022-06-13 stsp a->idset_exclude, tree, dpath, mtime, a->seed, repo,
1561 0ab4c957 2022-06-13 stsp a->loose_obj_only, a->ncolored, a->nfound, a->ntrees,
1562 0ab4c957 2022-06-13 stsp a->progress_cb, a->progress_arg, a->rl,
1563 0ab4c957 2022-06-13 stsp a->cancel_cb, a->cancel_arg);
1566 0ab4c957 2022-06-13 stsp static const struct got_error *
1567 db9b9b1c 2022-06-14 stsp load_packed_object_ids(int *found_all_objects,
1568 db9b9b1c 2022-06-14 stsp struct got_object_id **ours, int nours,
1569 0ab4c957 2022-06-13 stsp struct got_object_id **theirs, int ntheirs,
1570 0ab4c957 2022-06-13 stsp int want_meta, uint32_t seed, struct got_object_idset *idset,
1571 0ab4c957 2022-06-13 stsp struct got_object_idset *idset_exclude, int loose_obj_only,
1572 0ab4c957 2022-06-13 stsp struct got_repository *repo, struct got_packidx *packidx,
1573 0ab4c957 2022-06-13 stsp int *ncolored, int *nfound, int *ntrees,
1574 0ab4c957 2022-06-13 stsp got_pack_progress_cb progress_cb, void *progress_arg,
1575 0ab4c957 2022-06-13 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1577 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1578 0ab4c957 2022-06-13 stsp struct load_packed_obj_arg lpa;
1580 0ab4c957 2022-06-13 stsp memset(&lpa, 0, sizeof(lpa));
1581 0ab4c957 2022-06-13 stsp lpa.seed = seed;
1582 0ab4c957 2022-06-13 stsp lpa.want_meta = want_meta;
1583 0ab4c957 2022-06-13 stsp lpa.idset = idset;
1584 0ab4c957 2022-06-13 stsp lpa.idset_exclude = idset_exclude;
1585 0ab4c957 2022-06-13 stsp lpa.loose_obj_only = loose_obj_only;
1586 0ab4c957 2022-06-13 stsp lpa.ncolored = ncolored;
1587 0ab4c957 2022-06-13 stsp lpa.nfound = nfound;
1588 0ab4c957 2022-06-13 stsp lpa.ntrees = ntrees;
1589 0ab4c957 2022-06-13 stsp lpa.progress_cb = progress_cb;
1590 0ab4c957 2022-06-13 stsp lpa.progress_arg = progress_arg;
1591 0ab4c957 2022-06-13 stsp lpa.rl = rl;
1592 0ab4c957 2022-06-13 stsp lpa.cancel_cb = cancel_cb;
1593 0ab4c957 2022-06-13 stsp lpa.cancel_arg = cancel_arg;
1595 0ab4c957 2022-06-13 stsp /* Attempt to load objects via got-read-pack, as far as possible. */
1596 db9b9b1c 2022-06-14 stsp err = got_object_enumerate(found_all_objects, load_packed_commit_id,
1597 0ab4c957 2022-06-13 stsp load_packed_tree_ids, &lpa, ours, nours, theirs, ntheirs,
1598 0ab4c957 2022-06-13 stsp packidx, repo);
1600 0ab4c957 2022-06-13 stsp return err;
1602 0ab4c957 2022-06-13 stsp if (lpa.id == NULL)
1603 0ab4c957 2022-06-13 stsp return NULL;
1606 0ab4c957 2022-06-13 stsp * An incomplete tree hierarchy was present in the pack file
1607 db9b9b1c 2022-06-14 stsp * and caused loading to be aborted.
1608 0ab4c957 2022-06-13 stsp * Continue loading trees the slow way.
1610 0ab4c957 2022-06-13 stsp err = load_tree(want_meta, idset, idset_exclude,
1611 0ab4c957 2022-06-13 stsp lpa.id, lpa.dpath, lpa.mtime, seed, repo, loose_obj_only,
1612 0ab4c957 2022-06-13 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl,
1613 0ab4c957 2022-06-13 stsp cancel_cb, cancel_arg);
1614 0ab4c957 2022-06-13 stsp free(lpa.id);
1615 0ab4c957 2022-06-13 stsp free(lpa.dpath);
1616 e6bcace5 2021-06-22 stsp return err;
1619 e6bcace5 2021-06-22 stsp static const struct got_error *
1620 0ab4c957 2022-06-13 stsp find_pack_for_enumeration(struct got_packidx **best_packidx,
1621 0ab4c957 2022-06-13 stsp struct got_object_id **ids, int nids, struct got_repository *repo)
1623 0ab4c957 2022-06-13 stsp const struct got_error *err = NULL;
1624 0ab4c957 2022-06-13 stsp struct got_pathlist_entry *pe;
1625 0ab4c957 2022-06-13 stsp const char *best_packidx_path = NULL;
1626 0ab4c957 2022-06-13 stsp int nobj_max = 0;
1627 0ab4c957 2022-06-13 stsp int ncommits_max = 0;
1629 0ab4c957 2022-06-13 stsp *best_packidx = NULL;
1632 0ab4c957 2022-06-13 stsp * Find the largest pack which contains at least some of the
1633 0ab4c957 2022-06-13 stsp * commits and tags we are interested in.
1635 0ab4c957 2022-06-13 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1636 0ab4c957 2022-06-13 stsp const char *path_packidx = pe->path;
1637 0ab4c957 2022-06-13 stsp struct got_packidx *packidx;
1638 0ab4c957 2022-06-13 stsp int nobj, i, idx, ncommits = 0;
1640 0ab4c957 2022-06-13 stsp err = got_repo_get_packidx(&packidx, path_packidx, repo);
1644 0ab4c957 2022-06-13 stsp nobj = be32toh(packidx->hdr.fanout_table[0xff]);
1645 0ab4c957 2022-06-13 stsp if (nobj <= nobj_max)
1648 0ab4c957 2022-06-13 stsp for (i = 0; i < nids; i++) {
1649 0ab4c957 2022-06-13 stsp idx = got_packidx_get_object_idx(packidx, ids[i]);
1650 0ab4c957 2022-06-13 stsp if (idx != -1)
1651 0ab4c957 2022-06-13 stsp ncommits++;
1653 0ab4c957 2022-06-13 stsp if (ncommits > ncommits_max) {
1654 0ab4c957 2022-06-13 stsp best_packidx_path = path_packidx;
1655 0ab4c957 2022-06-13 stsp nobj_max = nobj;
1656 0ab4c957 2022-06-13 stsp ncommits_max = ncommits;
1660 eb7b30a1 2022-06-13 stsp if (best_packidx_path && err == NULL) {
1661 0ab4c957 2022-06-13 stsp err = got_repo_get_packidx(best_packidx, best_packidx_path,
1665 0ab4c957 2022-06-13 stsp return err;
1668 0ab4c957 2022-06-13 stsp static const struct got_error *
1669 b8af7c06 2022-03-15 stsp load_object_ids(int *ncolored, int *nfound, int *ntrees,
1670 b8af7c06 2022-03-15 stsp struct got_object_idset *idset, struct got_object_id **theirs, int ntheirs,
1671 e6bcace5 2021-06-22 stsp struct got_object_id **ours, int nours, struct got_repository *repo,
1672 d6a28ffe 2022-05-20 op uint32_t seed, int loose_obj_only, got_pack_progress_cb progress_cb,
1673 d6a28ffe 2022-05-20 op void *progress_arg, struct got_ratelimit *rl, got_cancel_cb cancel_cb,
1674 d6a28ffe 2022-05-20 op void *cancel_arg)
1676 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1677 e6bcace5 2021-06-22 stsp struct got_object_id **ids = NULL;
1678 0ab4c957 2022-06-13 stsp struct got_packidx *packidx = NULL;
1679 db9b9b1c 2022-06-14 stsp int i, nobj = 0, obj_type, found_all_objects = 0;
1680 2f8438b0 2022-05-04 stsp struct got_object_idset *idset_exclude;
1682 2f8438b0 2022-05-04 stsp idset_exclude = got_object_idset_alloc();
1683 2f8438b0 2022-05-04 stsp if (idset_exclude == NULL)
1684 2f8438b0 2022-05-04 stsp return got_error_from_errno("got_object_idset_alloc");
1686 b8af7c06 2022-03-15 stsp *ncolored = 0;
1687 b8af7c06 2022-03-15 stsp *nfound = 0;
1688 b8af7c06 2022-03-15 stsp *ntrees = 0;
1690 b8af7c06 2022-03-15 stsp err = findtwixt(&ids, &nobj, ncolored, ours, nours, theirs, ntheirs,
1691 b8af7c06 2022-03-15 stsp repo, progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1693 e6bcace5 2021-06-22 stsp goto done;
1695 0ab4c957 2022-06-13 stsp err = find_pack_for_enumeration(&packidx, theirs, ntheirs, repo);
1697 0ab4c957 2022-06-13 stsp goto done;
1698 0ab4c957 2022-06-13 stsp if (packidx) {
1699 db9b9b1c 2022-06-14 stsp err = load_packed_object_ids(&found_all_objects,
1700 db9b9b1c 2022-06-14 stsp theirs, ntheirs, NULL, 0, 0, seed, idset, idset_exclude,
1701 db9b9b1c 2022-06-14 stsp loose_obj_only, repo, packidx, ncolored, nfound, ntrees,
1702 db9b9b1c 2022-06-14 stsp progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1704 0ab4c957 2022-06-13 stsp goto done;
1707 e6bcace5 2021-06-22 stsp for (i = 0; i < ntheirs; i++) {
1708 05118f5a 2021-06-22 stsp struct got_object_id *id = theirs[i];
1709 05118f5a 2021-06-22 stsp if (id == NULL)
1711 05118f5a 2021-06-22 stsp err = got_object_get_type(&obj_type, repo, id);
1713 05118f5a 2021-06-22 stsp return err;
1714 9d34261e 2022-04-07 stsp if (obj_type == GOT_OBJ_TYPE_COMMIT) {
1715 db9b9b1c 2022-06-14 stsp if (!found_all_objects) {
1716 db9b9b1c 2022-06-14 stsp err = load_commit(0, idset, idset_exclude,
1717 db9b9b1c 2022-06-14 stsp id, repo, seed, loose_obj_only,
1718 db9b9b1c 2022-06-14 stsp ncolored, nfound, ntrees,
1719 db9b9b1c 2022-06-14 stsp progress_cb, progress_arg, rl,
1720 db9b9b1c 2022-06-14 stsp cancel_cb, cancel_arg);
1722 db9b9b1c 2022-06-14 stsp goto done;
1724 9d34261e 2022-04-07 stsp } else if (obj_type == GOT_OBJ_TYPE_TAG) {
1725 2f8438b0 2022-05-04 stsp err = load_tag(0, idset, idset_exclude, id, repo,
1726 d6a28ffe 2022-05-20 op seed, loose_obj_only, ncolored, nfound, ntrees,
1727 9d34261e 2022-04-07 stsp progress_cb, progress_arg, rl,
1728 9d34261e 2022-04-07 stsp cancel_cb, cancel_arg);
1730 9d34261e 2022-04-07 stsp goto done;
1734 db9b9b1c 2022-06-14 stsp found_all_objects = 0;
1735 0ab4c957 2022-06-13 stsp err = find_pack_for_enumeration(&packidx, ids, nobj, repo);
1737 0ab4c957 2022-06-13 stsp goto done;
1738 0ab4c957 2022-06-13 stsp if (packidx) {
1739 db9b9b1c 2022-06-14 stsp err = load_packed_object_ids(&found_all_objects, ids,
1740 db9b9b1c 2022-06-14 stsp nobj, theirs, ntheirs, 1, seed, idset, idset_exclude,
1741 db9b9b1c 2022-06-14 stsp loose_obj_only, repo, packidx, ncolored, nfound, ntrees,
1742 0ab4c957 2022-06-13 stsp progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1744 0ab4c957 2022-06-13 stsp goto done;
1747 db9b9b1c 2022-06-14 stsp if (!found_all_objects) {
1748 db9b9b1c 2022-06-14 stsp for (i = 0; i < nobj; i++) {
1749 db9b9b1c 2022-06-14 stsp err = load_commit(1, idset, idset_exclude, ids[i],
1750 db9b9b1c 2022-06-14 stsp repo, seed, loose_obj_only, ncolored, nfound,
1751 db9b9b1c 2022-06-14 stsp ntrees, progress_cb, progress_arg, rl,
1752 db9b9b1c 2022-06-14 stsp cancel_cb, cancel_arg);
1754 db9b9b1c 2022-06-14 stsp goto done;
1758 05118f5a 2021-06-22 stsp for (i = 0; i < nours; i++) {
1759 05118f5a 2021-06-22 stsp struct got_object_id *id = ours[i];
1760 67fd6849 2022-02-13 stsp struct got_pack_meta *m;
1761 05118f5a 2021-06-22 stsp if (id == NULL)
1763 67fd6849 2022-02-13 stsp m = got_object_idset_get(idset, id);
1764 67fd6849 2022-02-13 stsp if (m == NULL) {
1765 07165b17 2021-07-01 stsp err = got_object_get_type(&obj_type, repo, id);
1767 07165b17 2021-07-01 stsp goto done;
1769 67fd6849 2022-02-13 stsp obj_type = m->obj_type;
1770 05118f5a 2021-06-22 stsp if (obj_type != GOT_OBJ_TYPE_TAG)
1772 2f8438b0 2022-05-04 stsp err = load_tag(1, idset, idset_exclude, id, repo,
1773 d6a28ffe 2022-05-20 op seed, loose_obj_only, ncolored, nfound, ntrees,
1774 2f8438b0 2022-05-04 stsp progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1776 e6bcace5 2021-06-22 stsp goto done;
1779 e6bcace5 2021-06-22 stsp for (i = 0; i < nobj; i++) {
1780 e6bcace5 2021-06-22 stsp free(ids[i]);
1782 e6bcace5 2021-06-22 stsp free(ids);
1783 2f8438b0 2022-05-04 stsp got_object_idset_free(idset_exclude);
1784 e6bcace5 2021-06-22 stsp return err;
1787 e6bcace5 2021-06-22 stsp const struct got_error *
1788 2d9e6abf 2022-05-04 stsp hwrite(FILE *f, void *buf, off_t len, SHA1_CTX *ctx)
1792 e6bcace5 2021-06-22 stsp SHA1Update(ctx, buf, len);
1793 e6bcace5 2021-06-22 stsp n = fwrite(buf, 1, len, f);
1794 e6bcace5 2021-06-22 stsp if (n != len)
1795 e6bcace5 2021-06-22 stsp return got_ferror(f, GOT_ERR_IO);
1796 2d9e6abf 2022-05-04 stsp return NULL;
1799 2d9e6abf 2022-05-04 stsp const struct got_error *
1800 2d9e6abf 2022-05-04 stsp hcopy(FILE *fsrc, FILE *fdst, off_t len, SHA1_CTX *ctx)
1802 2d9e6abf 2022-05-04 stsp unsigned char buf[65536];
1803 2d9e6abf 2022-05-04 stsp off_t remain = len;
1806 2d9e6abf 2022-05-04 stsp while (remain > 0) {
1807 2d9e6abf 2022-05-04 stsp size_t copylen = MIN(sizeof(buf), remain);
1808 2d9e6abf 2022-05-04 stsp n = fread(buf, 1, copylen, fsrc);
1809 2d9e6abf 2022-05-04 stsp if (n != copylen)
1810 2d9e6abf 2022-05-04 stsp return got_ferror(fsrc, GOT_ERR_IO);
1811 2d9e6abf 2022-05-04 stsp SHA1Update(ctx, buf, copylen);
1812 2d9e6abf 2022-05-04 stsp n = fwrite(buf, 1, copylen, fdst);
1813 2d9e6abf 2022-05-04 stsp if (n != copylen)
1814 2d9e6abf 2022-05-04 stsp return got_ferror(fdst, GOT_ERR_IO);
1815 2d9e6abf 2022-05-04 stsp remain -= copylen;
1818 e6bcace5 2021-06-22 stsp return NULL;
1821 e93fb944 2022-05-10 stsp const struct got_error *
1822 e93fb944 2022-05-10 stsp hcopy_mmap(uint8_t *src, off_t src_offset, size_t src_size,
1823 e93fb944 2022-05-10 stsp FILE *fdst, off_t len, SHA1_CTX *ctx)
1827 e93fb944 2022-05-10 stsp if (src_offset + len > src_size)
1828 e93fb944 2022-05-10 stsp return got_error(GOT_ERR_RANGE);
1830 e93fb944 2022-05-10 stsp SHA1Update(ctx, src + src_offset, len);
1831 e93fb944 2022-05-10 stsp n = fwrite(src + src_offset, 1, len, fdst);
1832 e93fb944 2022-05-10 stsp if (n != len)
1833 e93fb944 2022-05-10 stsp return got_ferror(fdst, GOT_ERR_IO);
1835 e93fb944 2022-05-10 stsp return NULL;
1838 e6bcace5 2021-06-22 stsp static void
1839 e6bcace5 2021-06-22 stsp putbe32(char *b, uint32_t n)
1841 e6bcace5 2021-06-22 stsp b[0] = n >> 24;
1842 e6bcace5 2021-06-22 stsp b[1] = n >> 16;
1843 e6bcace5 2021-06-22 stsp b[2] = n >> 8;
1844 e6bcace5 2021-06-22 stsp b[3] = n >> 0;
1847 e6bcace5 2021-06-22 stsp static int
1848 e6bcace5 2021-06-22 stsp write_order_cmp(const void *pa, const void *pb)
1850 e6bcace5 2021-06-22 stsp struct got_pack_meta *a, *b, *ahd, *bhd;
1852 e6bcace5 2021-06-22 stsp a = *(struct got_pack_meta **)pa;
1853 e6bcace5 2021-06-22 stsp b = *(struct got_pack_meta **)pb;
1854 e6bcace5 2021-06-22 stsp ahd = (a->head == NULL) ? a : a->head;
1855 e6bcace5 2021-06-22 stsp bhd = (b->head == NULL) ? b : b->head;
1856 611e8e31 2022-05-01 stsp if (bhd->mtime < ahd->mtime)
1857 611e8e31 2022-05-01 stsp return -1;
1858 611e8e31 2022-05-01 stsp if (bhd->mtime > ahd->mtime)
1860 611e8e31 2022-05-01 stsp if (bhd < ahd)
1861 611e8e31 2022-05-01 stsp return -1;
1862 611e8e31 2022-05-01 stsp if (bhd > ahd)
1864 e6bcace5 2021-06-22 stsp if (a->nchain != b->nchain)
1865 e6bcace5 2021-06-22 stsp return a->nchain - b->nchain;
1866 611e8e31 2022-05-01 stsp if (a->mtime < b->mtime)
1867 611e8e31 2022-05-01 stsp return -1;
1868 611e8e31 2022-05-01 stsp if (a->mtime > b->mtime)
1870 611e8e31 2022-05-01 stsp return got_object_id_cmp(&a->id, &b->id);
1873 67fd6849 2022-02-13 stsp static int
1874 67fd6849 2022-02-13 stsp reuse_write_order_cmp(const void *pa, const void *pb)
1876 67fd6849 2022-02-13 stsp struct got_pack_meta *a, *b;
1878 67fd6849 2022-02-13 stsp a = *(struct got_pack_meta **)pa;
1879 67fd6849 2022-02-13 stsp b = *(struct got_pack_meta **)pb;
1881 67fd6849 2022-02-13 stsp if (a->reused_delta_offset < b->reused_delta_offset)
1882 67fd6849 2022-02-13 stsp return -1;
1883 67fd6849 2022-02-13 stsp if (a->reused_delta_offset > b->reused_delta_offset)
1888 e6bcace5 2021-06-22 stsp static const struct got_error *
1889 e6bcace5 2021-06-22 stsp packhdr(int *hdrlen, char *hdr, size_t bufsize, int obj_type, size_t len)
1893 e6bcace5 2021-06-22 stsp *hdrlen = 0;
1895 e6bcace5 2021-06-22 stsp hdr[0] = obj_type << 4;
1896 e6bcace5 2021-06-22 stsp hdr[0] |= len & 0xf;
1897 e6bcace5 2021-06-22 stsp len >>= 4;
1898 e6bcace5 2021-06-22 stsp for (i = 1; len != 0; i++){
1899 e6bcace5 2021-06-22 stsp if (i >= bufsize)
1900 e6bcace5 2021-06-22 stsp return got_error(GOT_ERR_NO_SPACE);
1901 e6bcace5 2021-06-22 stsp hdr[i - 1] |= GOT_DELTA_SIZE_MORE;
1902 e6bcace5 2021-06-22 stsp hdr[i] = len & GOT_DELTA_SIZE_VAL_MASK;
1903 e6bcace5 2021-06-22 stsp len >>= GOT_DELTA_SIZE_SHIFT;
1906 e6bcace5 2021-06-22 stsp *hdrlen = i;
1907 e6bcace5 2021-06-22 stsp return NULL;
1910 e6bcace5 2021-06-22 stsp static int
1911 e6bcace5 2021-06-22 stsp packoff(char *hdr, off_t off)
1914 e6bcace5 2021-06-22 stsp char rbuf[8];
1916 e6bcace5 2021-06-22 stsp rbuf[0] = off & GOT_DELTA_SIZE_VAL_MASK;
1917 e6bcace5 2021-06-22 stsp for (i = 1; (off >>= GOT_DELTA_SIZE_SHIFT) != 0; i++) {
1918 e6bcace5 2021-06-22 stsp rbuf[i] = (--off & GOT_DELTA_SIZE_VAL_MASK) |
1919 e6bcace5 2021-06-22 stsp GOT_DELTA_SIZE_MORE;
1923 e6bcace5 2021-06-22 stsp while (i > 0)
1924 e6bcace5 2021-06-22 stsp hdr[j++] = rbuf[--i];
1928 e6bcace5 2021-06-22 stsp static const struct got_error *
1929 5060d5a1 2022-01-10 stsp deltahdr(off_t *packfile_size, SHA1_CTX *ctx, FILE *packfile,
1930 67fd6849 2022-02-13 stsp struct got_pack_meta *m)
1932 5060d5a1 2022-01-10 stsp const struct got_error *err;
1933 5060d5a1 2022-01-10 stsp char buf[32];
1936 67fd6849 2022-02-13 stsp if (m->prev->off != 0) {
1937 5060d5a1 2022-01-10 stsp err = packhdr(&nh, buf, sizeof(buf),
1938 5060d5a1 2022-01-10 stsp GOT_OBJ_TYPE_OFFSET_DELTA, m->delta_len);
1940 5060d5a1 2022-01-10 stsp return err;
1941 5060d5a1 2022-01-10 stsp nh += packoff(buf + nh, m->off - m->prev->off);
1942 5060d5a1 2022-01-10 stsp err = hwrite(packfile, buf, nh, ctx);
1944 5060d5a1 2022-01-10 stsp return err;
1945 5060d5a1 2022-01-10 stsp *packfile_size += nh;
1947 5060d5a1 2022-01-10 stsp err = packhdr(&nh, buf, sizeof(buf),
1948 5060d5a1 2022-01-10 stsp GOT_OBJ_TYPE_REF_DELTA, m->delta_len);
1950 5060d5a1 2022-01-10 stsp return err;
1951 5060d5a1 2022-01-10 stsp err = hwrite(packfile, buf, nh, ctx);
1953 5060d5a1 2022-01-10 stsp return err;
1954 5060d5a1 2022-01-10 stsp *packfile_size += nh;
1955 5060d5a1 2022-01-10 stsp err = hwrite(packfile, m->prev->id.sha1,
1956 5060d5a1 2022-01-10 stsp sizeof(m->prev->id.sha1), ctx);
1958 5060d5a1 2022-01-10 stsp return err;
1959 5060d5a1 2022-01-10 stsp *packfile_size += sizeof(m->prev->id.sha1);
1962 5060d5a1 2022-01-10 stsp return NULL;
1965 5060d5a1 2022-01-10 stsp static const struct got_error *
1966 67fd6849 2022-02-13 stsp write_packed_object(off_t *packfile_size, FILE *packfile,
1967 e93fb944 2022-05-10 stsp FILE *delta_cache, uint8_t *delta_cache_map, size_t delta_cache_size,
1968 e93fb944 2022-05-10 stsp struct got_pack_meta *m, int *outfd, SHA1_CTX *ctx,
1969 e93fb944 2022-05-10 stsp struct got_repository *repo)
1971 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
1972 67fd6849 2022-02-13 stsp struct got_deflate_checksum csum;
1973 67fd6849 2022-02-13 stsp char buf[32];
1975 67fd6849 2022-02-13 stsp struct got_raw_object *raw = NULL;
1976 67fd6849 2022-02-13 stsp off_t outlen;
1978 67fd6849 2022-02-13 stsp csum.output_sha1 = ctx;
1979 67fd6849 2022-02-13 stsp csum.output_crc = NULL;
1981 67fd6849 2022-02-13 stsp m->off = ftello(packfile);
1982 67fd6849 2022-02-13 stsp if (m->delta_len == 0) {
1983 67fd6849 2022-02-13 stsp err = got_object_raw_open(&raw, outfd, repo, &m->id);
1985 67fd6849 2022-02-13 stsp goto done;
1986 67fd6849 2022-02-13 stsp err = packhdr(&nh, buf, sizeof(buf),
1987 67fd6849 2022-02-13 stsp m->obj_type, raw->size);
1989 67fd6849 2022-02-13 stsp goto done;
1990 67fd6849 2022-02-13 stsp err = hwrite(packfile, buf, nh, ctx);
1992 67fd6849 2022-02-13 stsp goto done;
1993 67fd6849 2022-02-13 stsp *packfile_size += nh;
1994 67fd6849 2022-02-13 stsp if (raw->f == NULL) {
1995 67fd6849 2022-02-13 stsp err = got_deflate_to_file_mmap(&outlen,
1996 67fd6849 2022-02-13 stsp raw->data + raw->hdrlen, 0, raw->size,
1997 67fd6849 2022-02-13 stsp packfile, &csum);
1999 67fd6849 2022-02-13 stsp goto done;
2001 67fd6849 2022-02-13 stsp if (fseeko(raw->f, raw->hdrlen, SEEK_SET)
2003 67fd6849 2022-02-13 stsp err = got_error_from_errno("fseeko");
2004 67fd6849 2022-02-13 stsp goto done;
2006 67fd6849 2022-02-13 stsp err = got_deflate_to_file(&outlen, raw->f,
2007 67fd6849 2022-02-13 stsp raw->size, packfile, &csum);
2009 67fd6849 2022-02-13 stsp goto done;
2011 67fd6849 2022-02-13 stsp *packfile_size += outlen;
2012 67fd6849 2022-02-13 stsp got_object_raw_close(raw);
2013 67fd6849 2022-02-13 stsp raw = NULL;
2014 67fd6849 2022-02-13 stsp } else if (m->delta_buf) {
2015 67fd6849 2022-02-13 stsp err = deltahdr(packfile_size, ctx, packfile, m);
2017 67fd6849 2022-02-13 stsp goto done;
2018 2d9e6abf 2022-05-04 stsp err = hwrite(packfile, m->delta_buf,
2019 2d9e6abf 2022-05-04 stsp m->delta_compressed_len, ctx);
2021 67fd6849 2022-02-13 stsp goto done;
2022 2d9e6abf 2022-05-04 stsp *packfile_size += m->delta_compressed_len;
2023 67fd6849 2022-02-13 stsp free(m->delta_buf);
2024 67fd6849 2022-02-13 stsp m->delta_buf = NULL;
2025 e93fb944 2022-05-10 stsp } else if (delta_cache_map) {
2026 e93fb944 2022-05-10 stsp err = deltahdr(packfile_size, ctx, packfile, m);
2028 e93fb944 2022-05-10 stsp goto done;
2029 e93fb944 2022-05-10 stsp err = hcopy_mmap(delta_cache_map, m->delta_offset,
2030 e93fb944 2022-05-10 stsp delta_cache_size, packfile, m->delta_compressed_len,
2033 e93fb944 2022-05-10 stsp goto done;
2034 e93fb944 2022-05-10 stsp *packfile_size += m->delta_compressed_len;
2036 67fd6849 2022-02-13 stsp if (fseeko(delta_cache, m->delta_offset, SEEK_SET)
2038 67fd6849 2022-02-13 stsp err = got_error_from_errno("fseeko");
2039 67fd6849 2022-02-13 stsp goto done;
2041 67fd6849 2022-02-13 stsp err = deltahdr(packfile_size, ctx, packfile, m);
2043 67fd6849 2022-02-13 stsp goto done;
2044 2d9e6abf 2022-05-04 stsp err = hcopy(delta_cache, packfile,
2045 2d9e6abf 2022-05-04 stsp m->delta_compressed_len, ctx);
2047 67fd6849 2022-02-13 stsp goto done;
2048 2d9e6abf 2022-05-04 stsp *packfile_size += m->delta_compressed_len;
2052 67fd6849 2022-02-13 stsp got_object_raw_close(raw);
2053 67fd6849 2022-02-13 stsp return err;
2056 67fd6849 2022-02-13 stsp static const struct got_error *
2057 74881701 2021-10-15 stsp genpack(uint8_t *pack_sha1, FILE *packfile, FILE *delta_cache,
2058 67fd6849 2022-02-13 stsp struct got_pack_meta **deltify, int ndeltify,
2059 67fd6849 2022-02-13 stsp struct got_pack_meta **reuse, int nreuse,
2060 b8af7c06 2022-03-15 stsp int ncolored, int nfound, int ntrees, int nours,
2061 b8af7c06 2022-03-15 stsp struct got_repository *repo,
2062 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
2063 211cfef0 2022-01-05 stsp struct got_ratelimit *rl,
2064 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
2066 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
2068 e6bcace5 2021-06-22 stsp SHA1_CTX ctx;
2069 e6bcace5 2021-06-22 stsp struct got_pack_meta *m;
2070 08347b73 2021-10-14 stsp char buf[32];
2072 67fd6849 2022-02-13 stsp off_t packfile_size = 0;
2073 cc7a354a 2021-10-15 stsp int outfd = -1;
2074 e93fb944 2022-05-10 stsp int delta_cache_fd = -1;
2075 e93fb944 2022-05-10 stsp uint8_t *delta_cache_map = NULL;
2076 e93fb944 2022-05-10 stsp size_t delta_cache_size = 0;
2078 e6bcace5 2021-06-22 stsp SHA1Init(&ctx);
2080 e93fb944 2022-05-10 stsp #ifndef GOT_PACK_NO_MMAP
2081 e93fb944 2022-05-10 stsp delta_cache_fd = dup(fileno(delta_cache));
2082 e93fb944 2022-05-10 stsp if (delta_cache_fd != -1) {
2083 e93fb944 2022-05-10 stsp struct stat sb;
2084 e93fb944 2022-05-10 stsp if (fstat(delta_cache_fd, &sb) == -1) {
2085 e93fb944 2022-05-10 stsp err = got_error_from_errno("fstat");
2086 e93fb944 2022-05-10 stsp goto done;
2088 e93fb944 2022-05-10 stsp if (sb.st_size > 0 && sb.st_size <= SIZE_MAX) {
2089 e93fb944 2022-05-10 stsp delta_cache_map = mmap(NULL, sb.st_size,
2090 e93fb944 2022-05-10 stsp PROT_READ, MAP_PRIVATE, delta_cache_fd, 0);
2091 e93fb944 2022-05-10 stsp if (delta_cache_map == MAP_FAILED) {
2092 e93fb944 2022-05-10 stsp if (errno != ENOMEM) {
2093 e93fb944 2022-05-10 stsp err = got_error_from_errno("mmap");
2094 e93fb944 2022-05-10 stsp goto done;
2096 e93fb944 2022-05-10 stsp delta_cache_map = NULL; /* fallback on stdio */
2098 e93fb944 2022-05-10 stsp delta_cache_size = (size_t)sb.st_size;
2102 e6bcace5 2021-06-22 stsp err = hwrite(packfile, "PACK", 4, &ctx);
2104 e93fb944 2022-05-10 stsp goto done;
2105 e6bcace5 2021-06-22 stsp putbe32(buf, GOT_PACKFILE_VERSION);
2106 e6bcace5 2021-06-22 stsp err = hwrite(packfile, buf, 4, &ctx);
2108 e6bcace5 2021-06-22 stsp goto done;
2109 67fd6849 2022-02-13 stsp putbe32(buf, ndeltify + nreuse);
2110 e6bcace5 2021-06-22 stsp err = hwrite(packfile, buf, 4, &ctx);
2112 e6bcace5 2021-06-22 stsp goto done;
2114 67fd6849 2022-02-13 stsp qsort(deltify, ndeltify, sizeof(struct got_pack_meta *),
2115 67fd6849 2022-02-13 stsp write_order_cmp);
2116 67fd6849 2022-02-13 stsp for (i = 0; i < ndeltify; i++) {
2117 211cfef0 2022-01-05 stsp err = report_progress(progress_cb, progress_arg, rl,
2118 b8af7c06 2022-03-15 stsp ncolored, nfound, ntrees, packfile_size, nours,
2119 b8af7c06 2022-03-15 stsp ndeltify + nreuse, ndeltify + nreuse, i);
2121 211cfef0 2022-01-05 stsp goto done;
2122 67fd6849 2022-02-13 stsp m = deltify[i];
2123 67fd6849 2022-02-13 stsp err = write_packed_object(&packfile_size, packfile,
2124 e93fb944 2022-05-10 stsp delta_cache, delta_cache_map, delta_cache_size,
2125 e93fb944 2022-05-10 stsp m, &outfd, &ctx, repo);
2127 67fd6849 2022-02-13 stsp goto done;
2130 67fd6849 2022-02-13 stsp qsort(reuse, nreuse, sizeof(struct got_pack_meta *),
2131 67fd6849 2022-02-13 stsp reuse_write_order_cmp);
2132 67fd6849 2022-02-13 stsp for (i = 0; i < nreuse; i++) {
2133 67fd6849 2022-02-13 stsp err = report_progress(progress_cb, progress_arg, rl,
2134 b8af7c06 2022-03-15 stsp ncolored, nfound, ntrees, packfile_size, nours,
2135 b8af7c06 2022-03-15 stsp ndeltify + nreuse, ndeltify + nreuse, ndeltify + i);
2137 67fd6849 2022-02-13 stsp goto done;
2138 67fd6849 2022-02-13 stsp m = reuse[i];
2139 67fd6849 2022-02-13 stsp err = write_packed_object(&packfile_size, packfile,
2140 e93fb944 2022-05-10 stsp delta_cache, delta_cache_map, delta_cache_size,
2141 e93fb944 2022-05-10 stsp m, &outfd, &ctx, repo);
2143 67fd6849 2022-02-13 stsp goto done;
2146 e6bcace5 2021-06-22 stsp SHA1Final(pack_sha1, &ctx);
2147 e6bcace5 2021-06-22 stsp n = fwrite(pack_sha1, 1, SHA1_DIGEST_LENGTH, packfile);
2148 e6bcace5 2021-06-22 stsp if (n != SHA1_DIGEST_LENGTH)
2149 e6bcace5 2021-06-22 stsp err = got_ferror(packfile, GOT_ERR_IO);
2150 05118f5a 2021-06-22 stsp packfile_size += SHA1_DIGEST_LENGTH;
2151 dc7edd42 2021-08-22 stsp packfile_size += sizeof(struct got_packfile_hdr);
2152 211cfef0 2022-01-05 stsp if (progress_cb) {
2153 b8af7c06 2022-03-15 stsp err = progress_cb(progress_arg, ncolored, nfound, ntrees,
2154 b8af7c06 2022-03-15 stsp packfile_size, nours, ndeltify + nreuse,
2155 b8af7c06 2022-03-15 stsp ndeltify + nreuse, ndeltify + nreuse);
2157 211cfef0 2022-01-05 stsp goto done;
2160 cc7a354a 2021-10-15 stsp if (outfd != -1 && close(outfd) == -1 && err == NULL)
2161 cc7a354a 2021-10-15 stsp err = got_error_from_errno("close");
2162 e93fb944 2022-05-10 stsp if (delta_cache_map && munmap(delta_cache_map, delta_cache_size) == -1)
2163 e93fb944 2022-05-10 stsp err = got_error_from_errno("munmap");
2164 e93fb944 2022-05-10 stsp if (delta_cache_fd != -1 && close(delta_cache_fd) == -1 && err == NULL)
2165 e93fb944 2022-05-10 stsp err = got_error_from_errno("close");
2166 e6bcace5 2021-06-22 stsp return err;
2169 67fd6849 2022-02-13 stsp static const struct got_error *
2170 67fd6849 2022-02-13 stsp add_meta_idset_cb(struct got_object_id *id, void *data, void *arg)
2172 67fd6849 2022-02-13 stsp struct got_pack_meta *m = data;
2173 67fd6849 2022-02-13 stsp struct got_pack_metavec *v = arg;
2175 411cbec1 2022-05-20 stsp if (m->reused_delta_offset != 0)
2176 f5e78e05 2022-05-04 stsp return NULL;
2178 67fd6849 2022-02-13 stsp return add_meta(m, v);
2181 e6bcace5 2021-06-22 stsp const struct got_error *
2182 e6bcace5 2021-06-22 stsp got_pack_create(uint8_t *packsha1, FILE *packfile,
2183 e6bcace5 2021-06-22 stsp struct got_object_id **theirs, int ntheirs,
2184 e6bcace5 2021-06-22 stsp struct got_object_id **ours, int nours,
2185 f8a36e22 2021-08-26 stsp struct got_repository *repo, int loose_obj_only, int allow_empty,
2186 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
2187 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
2189 e6bcace5 2021-06-22 stsp const struct got_error *err;
2190 67fd6849 2022-02-13 stsp int delta_cache_fd = -1;
2191 74881701 2021-10-15 stsp FILE *delta_cache = NULL;
2192 67fd6849 2022-02-13 stsp struct got_object_idset *idset;
2193 211cfef0 2022-01-05 stsp struct got_ratelimit rl;
2194 67fd6849 2022-02-13 stsp struct got_pack_metavec deltify, reuse;
2195 b8af7c06 2022-03-15 stsp int ncolored = 0, nfound = 0, ntrees = 0;
2196 f5e78e05 2022-05-04 stsp size_t ndeltify;
2197 d6a28ffe 2022-05-20 op uint32_t seed;
2199 d6a28ffe 2022-05-20 op seed = arc4random();
2201 67fd6849 2022-02-13 stsp memset(&deltify, 0, sizeof(deltify));
2202 67fd6849 2022-02-13 stsp memset(&reuse, 0, sizeof(reuse));
2204 211cfef0 2022-01-05 stsp got_ratelimit_init(&rl, 0, 500);
2206 67fd6849 2022-02-13 stsp idset = got_object_idset_alloc();
2207 67fd6849 2022-02-13 stsp if (idset == NULL)
2208 67fd6849 2022-02-13 stsp return got_error_from_errno("got_object_idset_alloc");
2210 b8af7c06 2022-03-15 stsp err = load_object_ids(&ncolored, &nfound, &ntrees, idset, theirs,
2211 d6a28ffe 2022-05-20 op ntheirs, ours, nours, repo, seed, loose_obj_only,
2212 b8af7c06 2022-03-15 stsp progress_cb, progress_arg, &rl, cancel_cb, cancel_arg);
2214 17259bfa 2022-05-19 stsp goto done;
2216 28526235 2022-02-13 stsp if (progress_cb) {
2217 b8af7c06 2022-03-15 stsp err = progress_cb(progress_arg, ncolored, nfound, ntrees,
2218 b8af7c06 2022-03-15 stsp 0L, nours, got_object_idset_num_elements(idset), 0, 0);
2220 28526235 2022-02-13 stsp goto done;
2223 67fd6849 2022-02-13 stsp if (got_object_idset_num_elements(idset) == 0 && !allow_empty) {
2224 05118f5a 2021-06-22 stsp err = got_error(GOT_ERR_CANNOT_PACK);
2225 05118f5a 2021-06-22 stsp goto done;
2228 67fd6849 2022-02-13 stsp delta_cache_fd = got_opentempfd();
2229 67fd6849 2022-02-13 stsp if (delta_cache_fd == -1) {
2230 74881701 2021-10-15 stsp err = got_error_from_errno("got_opentemp");
2231 74881701 2021-10-15 stsp goto done;
2234 67fd6849 2022-02-13 stsp reuse.metasz = 64;
2235 67fd6849 2022-02-13 stsp reuse.meta = calloc(reuse.metasz,
2236 67fd6849 2022-02-13 stsp sizeof(struct got_pack_meta *));
2237 67fd6849 2022-02-13 stsp if (reuse.meta == NULL) {
2238 67fd6849 2022-02-13 stsp err = got_error_from_errno("calloc");
2239 67fd6849 2022-02-13 stsp goto done;
2242 b8af7c06 2022-03-15 stsp err = search_deltas(&reuse, idset, delta_cache_fd, ncolored, nfound,
2243 b8af7c06 2022-03-15 stsp ntrees, nours, repo, progress_cb, progress_arg, &rl,
2244 b8af7c06 2022-03-15 stsp cancel_cb, cancel_arg);
2246 67fd6849 2022-02-13 stsp goto done;
2248 67fd6849 2022-02-13 stsp delta_cache = fdopen(delta_cache_fd, "a+");
2249 67fd6849 2022-02-13 stsp if (delta_cache == NULL) {
2250 67fd6849 2022-02-13 stsp err = got_error_from_errno("fdopen");
2251 67fd6849 2022-02-13 stsp goto done;
2253 67fd6849 2022-02-13 stsp delta_cache_fd = -1;
2255 67fd6849 2022-02-13 stsp if (fseeko(delta_cache, 0L, SEEK_END) == -1) {
2256 67fd6849 2022-02-13 stsp err = got_error_from_errno("fseeko");
2257 67fd6849 2022-02-13 stsp goto done;
2260 f5e78e05 2022-05-04 stsp ndeltify = got_object_idset_num_elements(idset) - reuse.nmeta;
2261 f5e78e05 2022-05-04 stsp if (ndeltify > 0) {
2262 f5e78e05 2022-05-04 stsp deltify.meta = calloc(ndeltify, sizeof(struct got_pack_meta *));
2263 f5e78e05 2022-05-04 stsp if (deltify.meta == NULL) {
2264 f5e78e05 2022-05-04 stsp err = got_error_from_errno("calloc");
2265 f5e78e05 2022-05-04 stsp goto done;
2267 f5e78e05 2022-05-04 stsp deltify.metasz = ndeltify;
2269 f5e78e05 2022-05-04 stsp err = got_object_idset_for_each(idset, add_meta_idset_cb,
2270 f5e78e05 2022-05-04 stsp &deltify);
2272 f8a36e22 2021-08-26 stsp goto done;
2273 f5e78e05 2022-05-04 stsp if (deltify.nmeta > 0) {
2274 f5e78e05 2022-05-04 stsp err = pick_deltas(deltify.meta, deltify.nmeta,
2275 f5e78e05 2022-05-04 stsp ncolored, nfound, ntrees, nours, reuse.nmeta,
2276 f5e78e05 2022-05-04 stsp delta_cache, repo, progress_cb, progress_arg, &rl,
2277 f5e78e05 2022-05-04 stsp cancel_cb, cancel_arg);
2279 f5e78e05 2022-05-04 stsp goto done;
2283 2d9e6abf 2022-05-04 stsp if (fflush(delta_cache) == EOF) {
2284 2d9e6abf 2022-05-04 stsp err = got_error_from_errno("fflush");
2285 2d9e6abf 2022-05-04 stsp goto done;
2287 67fd6849 2022-02-13 stsp err = genpack(packsha1, packfile, delta_cache, deltify.meta,
2288 b8af7c06 2022-03-15 stsp deltify.nmeta, reuse.meta, reuse.nmeta, ncolored, nfound, ntrees,
2289 b8af7c06 2022-03-15 stsp nours, repo, progress_cb, progress_arg, &rl,
2290 b8af7c06 2022-03-15 stsp cancel_cb, cancel_arg);
2292 e6bcace5 2021-06-22 stsp goto done;
2294 67fd6849 2022-02-13 stsp free_nmeta(deltify.meta, deltify.nmeta);
2295 67fd6849 2022-02-13 stsp free_nmeta(reuse.meta, reuse.nmeta);
2296 67fd6849 2022-02-13 stsp got_object_idset_free(idset);
2297 67fd6849 2022-02-13 stsp if (delta_cache_fd != -1 && close(delta_cache_fd) == -1 && err == NULL)
2298 67fd6849 2022-02-13 stsp err = got_error_from_errno("close");
2299 74881701 2021-10-15 stsp if (delta_cache && fclose(delta_cache) == EOF && err == NULL)
2300 74881701 2021-10-15 stsp err = got_error_from_errno("fclose");
2301 e6bcace5 2021-06-22 stsp return err;
