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>
25 e3f86256 2022-02-18 naddy #include <endian.h>
26 08736cf9 2021-06-23 stsp #include <stdint.h>
27 05118f5a 2021-06-22 stsp #include <imsg.h>
28 e6bcace5 2021-06-22 stsp #include <stdio.h>
29 e6bcace5 2021-06-22 stsp #include <stdlib.h>
30 e6bcace5 2021-06-22 stsp #include <string.h>
31 e6bcace5 2021-06-22 stsp #include <sha1.h>
32 211cfef0 2022-01-05 stsp #include <time.h>
33 bfc73a47 2022-03-19 naddy #include <unistd.h>
34 e6bcace5 2021-06-22 stsp #include <limits.h>
35 e6bcace5 2021-06-22 stsp #include <zlib.h>
37 e6bcace5 2021-06-22 stsp #include "got_error.h"
38 e6bcace5 2021-06-22 stsp #include "got_cancel.h"
39 e6bcace5 2021-06-22 stsp #include "got_object.h"
40 f8b19efd 2021-10-13 stsp #include "got_path.h"
41 05118f5a 2021-06-22 stsp #include "got_reference.h"
42 05118f5a 2021-06-22 stsp #include "got_repository_admin.h"
43 08347b73 2021-10-14 stsp #include "got_opentemp.h"
45 e6bcace5 2021-06-22 stsp #include "got_lib_deltify.h"
46 e6bcace5 2021-06-22 stsp #include "got_lib_delta.h"
47 e6bcace5 2021-06-22 stsp #include "got_lib_object.h"
48 e6bcace5 2021-06-22 stsp #include "got_lib_object_idset.h"
49 05118f5a 2021-06-22 stsp #include "got_lib_object_cache.h"
50 e6bcace5 2021-06-22 stsp #include "got_lib_deflate.h"
51 e6bcace5 2021-06-22 stsp #include "got_lib_pack.h"
52 05118f5a 2021-06-22 stsp #include "got_lib_privsep.h"
53 05118f5a 2021-06-22 stsp #include "got_lib_repository.h"
54 211cfef0 2022-01-05 stsp #include "got_lib_ratelimit.h"
57 74881701 2021-10-15 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
61 e6bcace5 2021-06-22 stsp #define MAX(_a,_b) ((_a) > (_b) ? (_a) : (_b))
64 e6bcace5 2021-06-22 stsp struct got_pack_meta {
65 e6bcace5 2021-06-22 stsp struct got_object_id id;
67 e6bcace5 2021-06-22 stsp int obj_type;
69 e6bcace5 2021-06-22 stsp time_t mtime;
71 e6bcace5 2021-06-22 stsp /* The best delta we picked */
72 e6bcace5 2021-06-22 stsp struct got_pack_meta *head;
73 e6bcace5 2021-06-22 stsp struct got_pack_meta *prev;
74 5060d5a1 2022-01-10 stsp unsigned char *delta_buf; /* if not encoded in delta cache file */
75 74881701 2021-10-15 stsp off_t delta_offset; /* offset in delta cache file */
76 5060d5a1 2022-01-10 stsp off_t delta_len; /* encoded delta length */
79 67fd6849 2022-02-13 stsp int have_reused_delta;
80 67fd6849 2022-02-13 stsp off_t reused_delta_offset; /* offset of delta in reused pack file */
81 67fd6849 2022-02-13 stsp struct got_object_id *base_obj_id;
83 e6bcace5 2021-06-22 stsp /* Only used for delta window */
84 e6bcace5 2021-06-22 stsp struct got_delta_table *dtab;
86 e6bcace5 2021-06-22 stsp /* Only used for writing offset deltas */
90 e6bcace5 2021-06-22 stsp struct got_pack_metavec {
91 e6bcace5 2021-06-22 stsp struct got_pack_meta **meta;
96 e6bcace5 2021-06-22 stsp static const struct got_error *
97 e6bcace5 2021-06-22 stsp alloc_meta(struct got_pack_meta **new, struct got_object_id *id,
98 e6bcace5 2021-06-22 stsp const char *path, int obj_type, time_t mtime)
100 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
101 e6bcace5 2021-06-22 stsp struct got_pack_meta *m;
103 e6bcace5 2021-06-22 stsp *new = NULL;
105 e6bcace5 2021-06-22 stsp m = calloc(1, sizeof(*m));
106 e6bcace5 2021-06-22 stsp if (m == NULL)
107 1d19226a 2021-10-13 stsp return got_error_from_errno("calloc");
109 e6bcace5 2021-06-22 stsp memcpy(&m->id, id, sizeof(m->id));
111 e6bcace5 2021-06-22 stsp m->path = strdup(path);
112 e6bcace5 2021-06-22 stsp if (m->path == NULL) {
113 e6bcace5 2021-06-22 stsp err = got_error_from_errno("strdup");
115 e6bcace5 2021-06-22 stsp return err;
118 e6bcace5 2021-06-22 stsp m->obj_type = obj_type;
119 e6bcace5 2021-06-22 stsp m->mtime = mtime;
121 e6bcace5 2021-06-22 stsp return NULL;
124 e6bcace5 2021-06-22 stsp static void
125 e6bcace5 2021-06-22 stsp clear_meta(struct got_pack_meta *meta)
127 e6bcace5 2021-06-22 stsp if (meta == NULL)
129 e6bcace5 2021-06-22 stsp free(meta->path);
130 e6bcace5 2021-06-22 stsp meta->path = NULL;
131 5060d5a1 2022-01-10 stsp free(meta->delta_buf);
132 5060d5a1 2022-01-10 stsp meta->delta_buf = NULL;
133 67fd6849 2022-02-13 stsp free(meta->base_obj_id);
134 67fd6849 2022-02-13 stsp meta->base_obj_id = NULL;
137 e6bcace5 2021-06-22 stsp static void
138 e6bcace5 2021-06-22 stsp free_nmeta(struct got_pack_meta **meta, int nmeta)
142 e6bcace5 2021-06-22 stsp for (i = 0; i < nmeta; i++)
143 e6bcace5 2021-06-22 stsp clear_meta(meta[i]);
144 e6bcace5 2021-06-22 stsp free(meta);
148 e6bcace5 2021-06-22 stsp delta_order_cmp(const void *pa, const void *pb)
150 e6bcace5 2021-06-22 stsp struct got_pack_meta *a, *b;
153 e6bcace5 2021-06-22 stsp a = *(struct got_pack_meta **)pa;
154 e6bcace5 2021-06-22 stsp b = *(struct got_pack_meta **)pb;
156 e6bcace5 2021-06-22 stsp if (a->obj_type != b->obj_type)
157 e6bcace5 2021-06-22 stsp return a->obj_type - b->obj_type;
158 e6bcace5 2021-06-22 stsp cmp = strcmp(a->path, b->path);
159 e6bcace5 2021-06-22 stsp if (cmp != 0)
160 e6bcace5 2021-06-22 stsp return cmp;
161 e6bcace5 2021-06-22 stsp if (a->mtime != b->mtime)
162 e6bcace5 2021-06-22 stsp return a->mtime - b->mtime;
163 e6bcace5 2021-06-22 stsp return got_object_id_cmp(&a->id, &b->id);
166 5060d5a1 2022-01-10 stsp static off_t
167 e6bcace5 2021-06-22 stsp delta_size(struct got_delta_instruction *deltas, int ndeltas)
170 5060d5a1 2022-01-10 stsp off_t size = 32;
171 e6bcace5 2021-06-22 stsp for (i = 0; i < ndeltas; i++) {
172 e6bcace5 2021-06-22 stsp if (deltas[i].copy)
173 e6bcace5 2021-06-22 stsp size += GOT_DELTA_SIZE_SHIFT;
175 e6bcace5 2021-06-22 stsp size += deltas[i].len + 1;
177 e6bcace5 2021-06-22 stsp return size;
180 5060d5a1 2022-01-10 stsp static const struct got_error *
181 5060d5a1 2022-01-10 stsp append(unsigned char **p, size_t *len, off_t *sz, void *seg, int nseg)
185 5060d5a1 2022-01-10 stsp if (*len + nseg >= *sz) {
186 5060d5a1 2022-01-10 stsp while (*len + nseg >= *sz)
187 5060d5a1 2022-01-10 stsp *sz += *sz / 2;
188 5060d5a1 2022-01-10 stsp n = realloc(*p, *sz);
189 5060d5a1 2022-01-10 stsp if (n == NULL)
190 5060d5a1 2022-01-10 stsp return got_error_from_errno("realloc");
193 5060d5a1 2022-01-10 stsp memcpy(*p + *len, seg, nseg);
194 5060d5a1 2022-01-10 stsp *len += nseg;
195 5060d5a1 2022-01-10 stsp return NULL;
198 5060d5a1 2022-01-10 stsp static const struct got_error *
199 5060d5a1 2022-01-10 stsp encode_delta_in_mem(struct got_pack_meta *m, struct got_raw_object *o,
200 5060d5a1 2022-01-10 stsp struct got_delta_instruction *deltas, int ndeltas,
201 5060d5a1 2022-01-10 stsp off_t delta_size, off_t base_size)
203 5060d5a1 2022-01-10 stsp const struct got_error *err;
204 5060d5a1 2022-01-10 stsp unsigned char buf[16], *bp;
206 5060d5a1 2022-01-10 stsp size_t len = 0;
208 5060d5a1 2022-01-10 stsp struct got_delta_instruction *d;
210 5060d5a1 2022-01-10 stsp m->delta_buf = malloc(delta_size);
211 5060d5a1 2022-01-10 stsp if (m->delta_buf == NULL)
212 5060d5a1 2022-01-10 stsp return got_error_from_errno("calloc");
214 5060d5a1 2022-01-10 stsp /* base object size */
215 5060d5a1 2022-01-10 stsp buf[0] = base_size & GOT_DELTA_SIZE_VAL_MASK;
216 5060d5a1 2022-01-10 stsp n = base_size >> GOT_DELTA_SIZE_SHIFT;
217 5060d5a1 2022-01-10 stsp for (i = 1; n > 0; i++) {
218 5060d5a1 2022-01-10 stsp buf[i - 1] |= GOT_DELTA_SIZE_MORE;
219 5060d5a1 2022-01-10 stsp buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
220 5060d5a1 2022-01-10 stsp n >>= GOT_DELTA_SIZE_SHIFT;
222 5060d5a1 2022-01-10 stsp err = append(&m->delta_buf, &len, &delta_size, buf, i);
224 5060d5a1 2022-01-10 stsp return err;
226 5060d5a1 2022-01-10 stsp /* target object size */
227 5060d5a1 2022-01-10 stsp buf[0] = o->size & GOT_DELTA_SIZE_VAL_MASK;
228 5060d5a1 2022-01-10 stsp n = o->size >> GOT_DELTA_SIZE_SHIFT;
229 5060d5a1 2022-01-10 stsp for (i = 1; n > 0; i++) {
230 5060d5a1 2022-01-10 stsp buf[i - 1] |= GOT_DELTA_SIZE_MORE;
231 5060d5a1 2022-01-10 stsp buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
232 5060d5a1 2022-01-10 stsp n >>= GOT_DELTA_SIZE_SHIFT;
234 5060d5a1 2022-01-10 stsp err = append(&m->delta_buf, &len, &delta_size, buf, i);
236 5060d5a1 2022-01-10 stsp return err;
238 5060d5a1 2022-01-10 stsp for (j = 0; j < ndeltas; j++) {
239 5060d5a1 2022-01-10 stsp d = &deltas[j];
240 5060d5a1 2022-01-10 stsp if (d->copy) {
241 5060d5a1 2022-01-10 stsp n = d->offset;
242 5060d5a1 2022-01-10 stsp bp = &buf[1];
243 5060d5a1 2022-01-10 stsp buf[0] = GOT_DELTA_BASE_COPY;
244 5060d5a1 2022-01-10 stsp for (i = 0; i < 4; i++) {
245 5060d5a1 2022-01-10 stsp /* DELTA_COPY_OFF1 ... DELTA_COPY_OFF4 */
246 5060d5a1 2022-01-10 stsp buf[0] |= 1 << i;
247 5060d5a1 2022-01-10 stsp *bp++ = n & 0xff;
249 5060d5a1 2022-01-10 stsp if (n == 0)
253 5060d5a1 2022-01-10 stsp n = d->len;
254 5060d5a1 2022-01-10 stsp if (n != GOT_DELTA_COPY_DEFAULT_LEN) {
255 5060d5a1 2022-01-10 stsp /* DELTA_COPY_LEN1 ... DELTA_COPY_LEN3 */
256 5060d5a1 2022-01-10 stsp for (i = 0; i < 3 && n > 0; i++) {
257 5060d5a1 2022-01-10 stsp buf[0] |= 1 << (i + 4);
258 5060d5a1 2022-01-10 stsp *bp++ = n & 0xff;
262 5060d5a1 2022-01-10 stsp err = append(&m->delta_buf, &len, &delta_size,
263 5060d5a1 2022-01-10 stsp buf, bp - buf);
265 5060d5a1 2022-01-10 stsp return err;
266 5060d5a1 2022-01-10 stsp } else if (o->f == NULL) {
268 5060d5a1 2022-01-10 stsp while (n != d->len) {
269 5060d5a1 2022-01-10 stsp buf[0] = (d->len - n < 127) ? d->len - n : 127;
270 5060d5a1 2022-01-10 stsp err = append(&m->delta_buf, &len, &delta_size,
273 5060d5a1 2022-01-10 stsp return err;
274 5060d5a1 2022-01-10 stsp err = append(&m->delta_buf, &len, &delta_size,
275 5060d5a1 2022-01-10 stsp o->data + o->hdrlen + d->offset + n,
278 5060d5a1 2022-01-10 stsp return err;
279 5060d5a1 2022-01-10 stsp n += buf[0];
282 5060d5a1 2022-01-10 stsp char content[128];
284 5060d5a1 2022-01-10 stsp if (fseeko(o->f, o->hdrlen + d->offset, SEEK_SET) == -1)
285 5060d5a1 2022-01-10 stsp return got_error_from_errno("fseeko");
287 5060d5a1 2022-01-10 stsp while (n != d->len) {
288 5060d5a1 2022-01-10 stsp buf[0] = (d->len - n < 127) ? d->len - n : 127;
289 5060d5a1 2022-01-10 stsp err = append(&m->delta_buf, &len, &delta_size,
292 5060d5a1 2022-01-10 stsp return err;
293 5060d5a1 2022-01-10 stsp r = fread(content, 1, buf[0], o->f);
294 5060d5a1 2022-01-10 stsp if (r != buf[0])
295 5060d5a1 2022-01-10 stsp return got_ferror(o->f, GOT_ERR_IO);
296 5060d5a1 2022-01-10 stsp err = append(&m->delta_buf, &len, &delta_size,
297 5060d5a1 2022-01-10 stsp content, buf[0]);
299 5060d5a1 2022-01-10 stsp return err;
300 5060d5a1 2022-01-10 stsp n += buf[0];
305 5060d5a1 2022-01-10 stsp m->delta_len = len;
306 5060d5a1 2022-01-10 stsp return NULL;
309 74881701 2021-10-15 stsp static const struct got_error *
310 74881701 2021-10-15 stsp encode_delta(struct got_pack_meta *m, struct got_raw_object *o,
311 74881701 2021-10-15 stsp struct got_delta_instruction *deltas, int ndeltas,
312 a319ca8c 2021-10-15 stsp off_t base_size, FILE *f)
314 a319ca8c 2021-10-15 stsp unsigned char buf[16], *bp;
318 a319ca8c 2021-10-15 stsp struct got_delta_instruction *d;
320 a319ca8c 2021-10-15 stsp /* base object size */
321 a319ca8c 2021-10-15 stsp buf[0] = base_size & GOT_DELTA_SIZE_VAL_MASK;
322 a319ca8c 2021-10-15 stsp n = base_size >> GOT_DELTA_SIZE_SHIFT;
323 a319ca8c 2021-10-15 stsp for (i = 1; n > 0; i++) {
324 a319ca8c 2021-10-15 stsp buf[i - 1] |= GOT_DELTA_SIZE_MORE;
325 a319ca8c 2021-10-15 stsp buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
326 a319ca8c 2021-10-15 stsp n >>= GOT_DELTA_SIZE_SHIFT;
328 a319ca8c 2021-10-15 stsp w = fwrite(buf, 1, i, f);
329 a319ca8c 2021-10-15 stsp if (w != i)
330 a319ca8c 2021-10-15 stsp return got_ferror(f, GOT_ERR_IO);
332 a319ca8c 2021-10-15 stsp /* target object size */
333 a319ca8c 2021-10-15 stsp buf[0] = o->size & GOT_DELTA_SIZE_VAL_MASK;
334 a319ca8c 2021-10-15 stsp n = o->size >> GOT_DELTA_SIZE_SHIFT;
335 a319ca8c 2021-10-15 stsp for (i = 1; n > 0; i++) {
336 a319ca8c 2021-10-15 stsp buf[i - 1] |= GOT_DELTA_SIZE_MORE;
337 a319ca8c 2021-10-15 stsp buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
338 a319ca8c 2021-10-15 stsp n >>= GOT_DELTA_SIZE_SHIFT;
340 a319ca8c 2021-10-15 stsp w = fwrite(buf, 1, i, f);
341 a319ca8c 2021-10-15 stsp if (w != i)
342 a319ca8c 2021-10-15 stsp return got_ferror(f, GOT_ERR_IO);
344 a319ca8c 2021-10-15 stsp for (j = 0; j < ndeltas; j++) {
345 a319ca8c 2021-10-15 stsp d = &deltas[j];
346 a319ca8c 2021-10-15 stsp if (d->copy) {
347 a319ca8c 2021-10-15 stsp n = d->offset;
348 a319ca8c 2021-10-15 stsp bp = &buf[1];
349 a319ca8c 2021-10-15 stsp buf[0] = GOT_DELTA_BASE_COPY;
350 a319ca8c 2021-10-15 stsp for (i = 0; i < 4; i++) {
351 a319ca8c 2021-10-15 stsp /* DELTA_COPY_OFF1 ... DELTA_COPY_OFF4 */
352 a319ca8c 2021-10-15 stsp buf[0] |= 1 << i;
353 a319ca8c 2021-10-15 stsp *bp++ = n & 0xff;
355 a319ca8c 2021-10-15 stsp if (n == 0)
359 a319ca8c 2021-10-15 stsp n = d->len;
360 a319ca8c 2021-10-15 stsp if (n != GOT_DELTA_COPY_DEFAULT_LEN) {
361 a319ca8c 2021-10-15 stsp /* DELTA_COPY_LEN1 ... DELTA_COPY_LEN3 */
362 a319ca8c 2021-10-15 stsp for (i = 0; i < 3 && n > 0; i++) {
363 a319ca8c 2021-10-15 stsp buf[0] |= 1 << (i + 4);
364 a319ca8c 2021-10-15 stsp *bp++ = n & 0xff;
368 a319ca8c 2021-10-15 stsp w = fwrite(buf, 1, bp - buf, f);
369 a319ca8c 2021-10-15 stsp if (w != bp - buf)
370 a319ca8c 2021-10-15 stsp return got_ferror(f, GOT_ERR_IO);
371 64a8571e 2022-01-07 stsp } else if (o->f == NULL) {
373 64a8571e 2022-01-07 stsp while (n != d->len) {
374 64a8571e 2022-01-07 stsp buf[0] = (d->len - n < 127) ? d->len - n : 127;
375 64a8571e 2022-01-07 stsp w = fwrite(buf, 1, 1, f);
376 64a8571e 2022-01-07 stsp if (w != 1)
377 64a8571e 2022-01-07 stsp return got_ferror(f, GOT_ERR_IO);
378 64a8571e 2022-01-07 stsp w = fwrite(o->data + o->hdrlen + d->offset + n,
379 64a8571e 2022-01-07 stsp 1, buf[0], f);
380 64a8571e 2022-01-07 stsp if (w != buf[0])
381 64a8571e 2022-01-07 stsp return got_ferror(f, GOT_ERR_IO);
382 64a8571e 2022-01-07 stsp n += buf[0];
385 a319ca8c 2021-10-15 stsp char content[128];
387 a319ca8c 2021-10-15 stsp if (fseeko(o->f, o->hdrlen + d->offset, SEEK_SET) == -1)
388 a319ca8c 2021-10-15 stsp return got_error_from_errno("fseeko");
390 a319ca8c 2021-10-15 stsp while (n != d->len) {
391 a319ca8c 2021-10-15 stsp buf[0] = (d->len - n < 127) ? d->len - n : 127;
392 a319ca8c 2021-10-15 stsp w = fwrite(buf, 1, 1, f);
393 a319ca8c 2021-10-15 stsp if (w != 1)
394 a319ca8c 2021-10-15 stsp return got_ferror(f, GOT_ERR_IO);
395 a319ca8c 2021-10-15 stsp r = fread(content, 1, buf[0], o->f);
396 a319ca8c 2021-10-15 stsp if (r != buf[0])
397 a319ca8c 2021-10-15 stsp return got_ferror(o->f, GOT_ERR_IO);
398 a319ca8c 2021-10-15 stsp w = fwrite(content, 1, buf[0], f);
399 a319ca8c 2021-10-15 stsp if (w != buf[0])
400 a319ca8c 2021-10-15 stsp return got_ferror(f, GOT_ERR_IO);
401 a319ca8c 2021-10-15 stsp n += buf[0];
406 5060d5a1 2022-01-10 stsp m->delta_len = ftello(f) - m->delta_offset;
407 a319ca8c 2021-10-15 stsp return NULL;
410 211cfef0 2022-01-05 stsp static const struct got_error *
411 211cfef0 2022-01-05 stsp report_progress(got_pack_progress_cb progress_cb, void *progress_arg,
412 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, int ncolored, int nfound, int ntrees,
413 b8af7c06 2022-03-15 stsp off_t packfile_size, int ncommits, int nobj_total, int obj_deltify,
414 b8af7c06 2022-03-15 stsp int nobj_written)
416 211cfef0 2022-01-05 stsp const struct got_error *err;
417 211cfef0 2022-01-05 stsp int elapsed;
419 211cfef0 2022-01-05 stsp if (progress_cb == NULL)
420 211cfef0 2022-01-05 stsp return NULL;
422 211cfef0 2022-01-05 stsp err = got_ratelimit_check(&elapsed, rl);
423 211cfef0 2022-01-05 stsp if (err || !elapsed)
424 211cfef0 2022-01-05 stsp return err;
426 b8af7c06 2022-03-15 stsp return progress_cb(progress_arg, ncolored, nfound, ntrees,
427 b8af7c06 2022-03-15 stsp packfile_size, ncommits, nobj_total, obj_deltify, nobj_written);
430 e6bcace5 2021-06-22 stsp static const struct got_error *
431 67fd6849 2022-02-13 stsp add_meta(struct got_pack_meta *m, struct got_pack_metavec *v)
433 67fd6849 2022-02-13 stsp if (v->nmeta == v->metasz){
434 67fd6849 2022-02-13 stsp size_t newsize = 2 * v->metasz;
435 67fd6849 2022-02-13 stsp struct got_pack_meta **new;
436 67fd6849 2022-02-13 stsp new = reallocarray(v->meta, newsize, sizeof(*new));
437 67fd6849 2022-02-13 stsp if (new == NULL)
438 67fd6849 2022-02-13 stsp return got_error_from_errno("reallocarray");
439 67fd6849 2022-02-13 stsp v->meta = new;
440 67fd6849 2022-02-13 stsp v->metasz = newsize;
443 67fd6849 2022-02-13 stsp v->meta[v->nmeta++] = m;
444 67fd6849 2022-02-13 stsp return NULL;
447 67fd6849 2022-02-13 stsp static const struct got_error *
448 67fd6849 2022-02-13 stsp reuse_delta(int idx, struct got_pack_meta *m, struct got_pack_metavec *v,
449 67fd6849 2022-02-13 stsp struct got_object_idset *idset, struct got_pack *pack,
450 67fd6849 2022-02-13 stsp struct got_packidx *packidx, int delta_cache_fd,
451 67fd6849 2022-02-13 stsp struct got_repository *repo)
453 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
454 67fd6849 2022-02-13 stsp struct got_pack_meta *base = NULL;
455 67fd6849 2022-02-13 stsp struct got_object_id *base_obj_id = NULL;
456 67fd6849 2022-02-13 stsp off_t delta_len = 0, delta_offset = 0, delta_cache_offset = 0;
457 67fd6849 2022-02-13 stsp uint64_t base_size, result_size;
459 67fd6849 2022-02-13 stsp if (m->have_reused_delta)
460 67fd6849 2022-02-13 stsp return NULL;
462 67fd6849 2022-02-13 stsp err = got_object_read_raw_delta(&base_size, &result_size, &delta_len,
463 67fd6849 2022-02-13 stsp &delta_offset, &delta_cache_offset, &base_obj_id, delta_cache_fd,
464 67fd6849 2022-02-13 stsp packidx, idx, &m->id, repo);
466 67fd6849 2022-02-13 stsp return err;
468 67fd6849 2022-02-13 stsp if (delta_offset + delta_len < delta_offset)
469 67fd6849 2022-02-13 stsp return got_error(GOT_ERR_BAD_PACKFILE);
471 67fd6849 2022-02-13 stsp base = got_object_idset_get(idset, base_obj_id);
472 67fd6849 2022-02-13 stsp if (base == NULL)
475 67fd6849 2022-02-13 stsp m->delta_len = delta_len;
476 67fd6849 2022-02-13 stsp m->delta_offset = delta_cache_offset;
477 67fd6849 2022-02-13 stsp m->prev = base;
478 67fd6849 2022-02-13 stsp m->size = result_size;
479 67fd6849 2022-02-13 stsp m->have_reused_delta = 1;
480 67fd6849 2022-02-13 stsp m->reused_delta_offset = delta_offset;
481 67fd6849 2022-02-13 stsp m->base_obj_id = base_obj_id;
482 67fd6849 2022-02-13 stsp base_obj_id = NULL;
483 67fd6849 2022-02-13 stsp err = add_meta(m, v);
485 67fd6849 2022-02-13 stsp free(base_obj_id);
486 67fd6849 2022-02-13 stsp return err;
489 67fd6849 2022-02-13 stsp static const struct got_error *
490 67fd6849 2022-02-13 stsp find_pack_for_reuse(struct got_packidx **best_packidx,
491 67fd6849 2022-02-13 stsp struct got_repository *repo)
493 9b576444 2022-03-14 stsp const struct got_error *err = NULL;
494 67fd6849 2022-02-13 stsp struct got_pathlist_entry *pe;
495 67fd6849 2022-02-13 stsp const char *best_packidx_path = NULL;
496 67fd6849 2022-02-13 stsp int nobj_max = 0;
498 67fd6849 2022-02-13 stsp *best_packidx = NULL;
500 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
501 67fd6849 2022-02-13 stsp const char *path_packidx = pe->path;
502 67fd6849 2022-02-13 stsp struct got_packidx *packidx;
505 67fd6849 2022-02-13 stsp err = got_repo_get_packidx(&packidx, path_packidx, repo);
509 67fd6849 2022-02-13 stsp nobj = be32toh(packidx->hdr.fanout_table[0xff]);
510 67fd6849 2022-02-13 stsp if (nobj > nobj_max) {
511 67fd6849 2022-02-13 stsp best_packidx_path = path_packidx;
512 67fd6849 2022-02-13 stsp nobj_max = nobj;
516 67fd6849 2022-02-13 stsp if (best_packidx_path) {
517 67fd6849 2022-02-13 stsp err = got_repo_get_packidx(best_packidx, best_packidx_path,
521 67fd6849 2022-02-13 stsp return err;
524 67fd6849 2022-02-13 stsp struct search_deltas_arg {
525 67fd6849 2022-02-13 stsp struct got_packidx *packidx;
526 67fd6849 2022-02-13 stsp struct got_pack *pack;
527 67fd6849 2022-02-13 stsp struct got_object_idset *idset;
528 67fd6849 2022-02-13 stsp struct got_pack_metavec *v;
529 67fd6849 2022-02-13 stsp int delta_cache_fd;
530 67fd6849 2022-02-13 stsp struct got_repository *repo;
531 67fd6849 2022-02-13 stsp got_pack_progress_cb progress_cb;
532 67fd6849 2022-02-13 stsp void *progress_arg;
533 67fd6849 2022-02-13 stsp struct got_ratelimit *rl;
534 67fd6849 2022-02-13 stsp got_cancel_cb cancel_cb;
535 67fd6849 2022-02-13 stsp void *cancel_arg;
536 b8af7c06 2022-03-15 stsp int ncolored;
537 b8af7c06 2022-03-15 stsp int nfound;
538 b8af7c06 2022-03-15 stsp int ntrees;
539 67fd6849 2022-02-13 stsp int ncommits;
542 67fd6849 2022-02-13 stsp static const struct got_error *
543 67fd6849 2022-02-13 stsp search_delta_for_object(struct got_object_id *id, void *data, void *arg)
545 67fd6849 2022-02-13 stsp const struct got_error *err;
546 67fd6849 2022-02-13 stsp struct got_pack_meta *m = data;
547 67fd6849 2022-02-13 stsp struct search_deltas_arg *a = arg;
548 67fd6849 2022-02-13 stsp int obj_idx;
549 67fd6849 2022-02-13 stsp struct got_object *obj = NULL;
551 67fd6849 2022-02-13 stsp if (a->cancel_cb) {
552 67fd6849 2022-02-13 stsp err = (*a->cancel_cb)(a->cancel_arg);
554 67fd6849 2022-02-13 stsp return err;
557 67fd6849 2022-02-13 stsp if (!got_repo_check_packidx_bloom_filter(a->repo,
558 67fd6849 2022-02-13 stsp a->packidx->path_packidx, id))
559 67fd6849 2022-02-13 stsp return NULL;
561 67fd6849 2022-02-13 stsp obj_idx = got_packidx_get_object_idx(a->packidx, id);
562 67fd6849 2022-02-13 stsp if (obj_idx == -1)
563 67fd6849 2022-02-13 stsp return NULL;
566 67fd6849 2022-02-13 stsp * Opening and closing an object just to check its flags
567 67fd6849 2022-02-13 stsp * is a bit expensive. We could have an imsg which requests
568 67fd6849 2022-02-13 stsp * plain type/size information for an object without doing
569 67fd6849 2022-02-13 stsp * work such as traversing the object's entire delta chain
570 67fd6849 2022-02-13 stsp * to find the base object type, and other such info which
571 67fd6849 2022-02-13 stsp * we don't really need here.
573 67fd6849 2022-02-13 stsp err = got_object_open_from_packfile(&obj, &m->id, a->pack,
574 67fd6849 2022-02-13 stsp a->packidx, obj_idx, a->repo);
576 67fd6849 2022-02-13 stsp return err;
578 67fd6849 2022-02-13 stsp if (obj->flags & GOT_OBJ_FLAG_DELTIFIED) {
579 67fd6849 2022-02-13 stsp reuse_delta(obj_idx, m, a->v, a->idset, a->pack, a->packidx,
580 67fd6849 2022-02-13 stsp a->delta_cache_fd, a->repo);
583 67fd6849 2022-02-13 stsp err = report_progress(a->progress_cb, a->progress_arg, a->rl,
584 b8af7c06 2022-03-15 stsp a->ncolored, a->nfound, a->ntrees, 0L, a->ncommits,
585 b8af7c06 2022-03-15 stsp got_object_idset_num_elements(a->idset), a->v->nmeta, 0);
588 67fd6849 2022-02-13 stsp got_object_close(obj);
589 67fd6849 2022-02-13 stsp return err;
592 67fd6849 2022-02-13 stsp static const struct got_error *
593 67fd6849 2022-02-13 stsp search_deltas(struct got_pack_metavec *v, struct got_object_idset *idset,
594 b8af7c06 2022-03-15 stsp int delta_cache_fd, int ncolored, int nfound, int ntrees, int ncommits,
595 b8af7c06 2022-03-15 stsp struct got_repository *repo,
596 67fd6849 2022-02-13 stsp got_pack_progress_cb progress_cb, void *progress_arg,
597 67fd6849 2022-02-13 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
599 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
600 67fd6849 2022-02-13 stsp char *path_packfile = NULL;
601 67fd6849 2022-02-13 stsp struct got_packidx *packidx;
602 67fd6849 2022-02-13 stsp struct got_pack *pack;
603 67fd6849 2022-02-13 stsp struct search_deltas_arg sda;
605 67fd6849 2022-02-13 stsp err = find_pack_for_reuse(&packidx, repo);
607 67fd6849 2022-02-13 stsp return err;
609 67fd6849 2022-02-13 stsp if (packidx == NULL)
610 67fd6849 2022-02-13 stsp return NULL;
612 67fd6849 2022-02-13 stsp err = got_packidx_get_packfile_path(&path_packfile,
613 67fd6849 2022-02-13 stsp packidx->path_packidx);
615 67fd6849 2022-02-13 stsp return err;
617 67fd6849 2022-02-13 stsp pack = got_repo_get_cached_pack(repo, path_packfile);
618 67fd6849 2022-02-13 stsp if (pack == NULL) {
619 67fd6849 2022-02-13 stsp err = got_repo_cache_pack(&pack, repo, path_packfile, packidx);
624 67fd6849 2022-02-13 stsp sda.packidx = packidx;
625 67fd6849 2022-02-13 stsp sda.pack = pack;
626 67fd6849 2022-02-13 stsp sda.idset = idset;
628 67fd6849 2022-02-13 stsp sda.delta_cache_fd = delta_cache_fd;
629 67fd6849 2022-02-13 stsp sda.repo = repo;
630 67fd6849 2022-02-13 stsp sda.progress_cb = progress_cb;
631 67fd6849 2022-02-13 stsp sda.progress_arg = progress_arg;
632 67fd6849 2022-02-13 stsp sda.rl = rl;
633 67fd6849 2022-02-13 stsp sda.cancel_cb = cancel_cb;
634 67fd6849 2022-02-13 stsp sda.cancel_arg = cancel_arg;
635 b8af7c06 2022-03-15 stsp sda.ncolored = ncolored;
636 b8af7c06 2022-03-15 stsp sda.nfound = nfound;
637 b8af7c06 2022-03-15 stsp sda.ntrees = ntrees;
638 67fd6849 2022-02-13 stsp sda.ncommits = ncommits;
639 67fd6849 2022-02-13 stsp err = got_object_idset_for_each(idset, search_delta_for_object, &sda);
641 67fd6849 2022-02-13 stsp free(path_packfile);
642 67fd6849 2022-02-13 stsp return err;
645 67fd6849 2022-02-13 stsp static const struct got_error *
646 b8af7c06 2022-03-15 stsp pick_deltas(struct got_pack_meta **meta, int nmeta, int ncolored,
647 b8af7c06 2022-03-15 stsp int nfound, int ntrees, int ncommits, int nreused, FILE *delta_cache,
648 b8af7c06 2022-03-15 stsp struct got_repository *repo,
649 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
650 211cfef0 2022-01-05 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
652 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
653 e6bcace5 2021-06-22 stsp struct got_pack_meta *m = NULL, *base = NULL;
654 e6bcace5 2021-06-22 stsp struct got_raw_object *raw = NULL, *base_raw = NULL;
655 74881701 2021-10-15 stsp struct got_delta_instruction *deltas = NULL, *best_deltas = NULL;
656 5060d5a1 2022-01-10 stsp int i, j, ndeltas, best_ndeltas;
657 5060d5a1 2022-01-10 stsp off_t size, best_size;
658 4f4d853e 2021-10-24 stsp const int max_base_candidates = 3;
659 402a5ec1 2022-01-10 stsp size_t delta_memsize = 0;
660 402a5ec1 2022-01-10 stsp const size_t max_delta_memsize = 25 * GOT_DELTA_RESULT_SIZE_CACHED_MAX;
661 cc7a354a 2021-10-15 stsp int outfd = -1;
663 e6bcace5 2021-06-22 stsp qsort(meta, nmeta, sizeof(struct got_pack_meta *), delta_order_cmp);
664 e6bcace5 2021-06-22 stsp for (i = 0; i < nmeta; i++) {
665 e6bcace5 2021-06-22 stsp if (cancel_cb) {
666 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
670 211cfef0 2022-01-05 stsp err = report_progress(progress_cb, progress_arg, rl,
671 b8af7c06 2022-03-15 stsp ncolored, nfound, ntrees, 0L, ncommits, nreused + nmeta,
672 b8af7c06 2022-03-15 stsp nreused + i, 0);
675 e6bcace5 2021-06-22 stsp m = meta[i];
677 e6bcace5 2021-06-22 stsp if (m->obj_type == GOT_OBJ_TYPE_COMMIT ||
678 e6bcace5 2021-06-22 stsp m->obj_type == GOT_OBJ_TYPE_TAG)
681 94dac27c 2021-10-15 stsp err = got_object_raw_open(&raw, &outfd, repo, &m->id);
684 600b755e 2021-10-14 stsp m->size = raw->size;
686 64a8571e 2022-01-07 stsp if (raw->f == NULL) {
687 64a8571e 2022-01-07 stsp err = got_deltify_init_mem(&m->dtab, raw->data,
688 64a8571e 2022-01-07 stsp raw->hdrlen, raw->size + raw->hdrlen);
690 64a8571e 2022-01-07 stsp err = got_deltify_init(&m->dtab, raw->f, raw->hdrlen,
691 64a8571e 2022-01-07 stsp raw->size + raw->hdrlen);
696 e6bcace5 2021-06-22 stsp if (i > max_base_candidates) {
697 e6bcace5 2021-06-22 stsp struct got_pack_meta *n = NULL;
698 e6bcace5 2021-06-22 stsp n = meta[i - (max_base_candidates + 1)];
699 e6bcace5 2021-06-22 stsp got_deltify_free(n->dtab);
700 e6bcace5 2021-06-22 stsp n->dtab = NULL;
703 74881701 2021-10-15 stsp best_size = raw->size;
704 74881701 2021-10-15 stsp best_ndeltas = 0;
705 e6bcace5 2021-06-22 stsp for (j = MAX(0, i - max_base_candidates); j < i; j++) {
706 e6bcace5 2021-06-22 stsp if (cancel_cb) {
707 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
711 e6bcace5 2021-06-22 stsp base = meta[j];
712 e6bcace5 2021-06-22 stsp /* long chains make unpacking slow, avoid such bases */
713 22edbce7 2021-10-24 stsp if (base->nchain >= 128 ||
714 e6bcace5 2021-06-22 stsp base->obj_type != m->obj_type)
717 d3c116bf 2021-10-15 stsp err = got_object_raw_open(&base_raw, &outfd, repo,
718 94dac27c 2021-10-15 stsp &base->id);
722 64a8571e 2022-01-07 stsp if (raw->f == NULL && base_raw->f == NULL) {
723 64a8571e 2022-01-07 stsp err = got_deltify_mem_mem(&deltas, &ndeltas,
724 64a8571e 2022-01-07 stsp raw->data, raw->hdrlen,
725 64a8571e 2022-01-07 stsp raw->size + raw->hdrlen,
726 64a8571e 2022-01-07 stsp base->dtab, base_raw->data,
727 64a8571e 2022-01-07 stsp base_raw->hdrlen,
728 64a8571e 2022-01-07 stsp base_raw->size + base_raw->hdrlen);
729 64a8571e 2022-01-07 stsp } else if (raw->f == NULL) {
730 64a8571e 2022-01-07 stsp err = got_deltify_mem_file(&deltas, &ndeltas,
731 64a8571e 2022-01-07 stsp raw->data, raw->hdrlen,
732 64a8571e 2022-01-07 stsp raw->size + raw->hdrlen,
733 64a8571e 2022-01-07 stsp base->dtab, base_raw->f,
734 64a8571e 2022-01-07 stsp base_raw->hdrlen,
735 64a8571e 2022-01-07 stsp base_raw->size + base_raw->hdrlen);
736 64a8571e 2022-01-07 stsp } else if (base_raw->f == NULL) {
737 64a8571e 2022-01-07 stsp err = got_deltify_file_mem(&deltas, &ndeltas,
738 64a8571e 2022-01-07 stsp raw->f, raw->hdrlen,
739 64a8571e 2022-01-07 stsp raw->size + raw->hdrlen,
740 64a8571e 2022-01-07 stsp base->dtab, base_raw->data,
741 64a8571e 2022-01-07 stsp base_raw->hdrlen,
742 64a8571e 2022-01-07 stsp base_raw->size + base_raw->hdrlen);
744 64a8571e 2022-01-07 stsp err = got_deltify(&deltas, &ndeltas,
745 64a8571e 2022-01-07 stsp raw->f, raw->hdrlen,
746 64a8571e 2022-01-07 stsp raw->size + raw->hdrlen,
747 64a8571e 2022-01-07 stsp base->dtab, base_raw->f, base_raw->hdrlen,
748 64a8571e 2022-01-07 stsp base_raw->size + base_raw->hdrlen);
750 e6bcace5 2021-06-22 stsp got_object_raw_close(base_raw);
751 e6bcace5 2021-06-22 stsp base_raw = NULL;
755 e6bcace5 2021-06-22 stsp size = delta_size(deltas, ndeltas);
756 74881701 2021-10-15 stsp if (size + 32 < best_size){
758 e6bcace5 2021-06-22 stsp * if we already picked a best delta,
759 e6bcace5 2021-06-22 stsp * replace it.
761 74881701 2021-10-15 stsp best_size = size;
762 74881701 2021-10-15 stsp free(best_deltas);
763 74881701 2021-10-15 stsp best_deltas = deltas;
764 74881701 2021-10-15 stsp best_ndeltas = ndeltas;
765 74881701 2021-10-15 stsp deltas = NULL;
766 e6bcace5 2021-06-22 stsp m->nchain = base->nchain + 1;
767 e6bcace5 2021-06-22 stsp m->prev = base;
768 e6bcace5 2021-06-22 stsp m->head = base->head;
769 e6bcace5 2021-06-22 stsp if (m->head == NULL)
770 e6bcace5 2021-06-22 stsp m->head = base;
772 e6bcace5 2021-06-22 stsp free(deltas);
773 e6bcace5 2021-06-22 stsp deltas = NULL;
774 e6bcace5 2021-06-22 stsp ndeltas = 0;
778 74881701 2021-10-15 stsp if (best_ndeltas > 0) {
779 402a5ec1 2022-01-10 stsp if (best_size <= GOT_DELTA_RESULT_SIZE_CACHED_MAX &&
780 402a5ec1 2022-01-10 stsp delta_memsize + best_size <= max_delta_memsize) {
781 402a5ec1 2022-01-10 stsp delta_memsize += best_size;
782 5060d5a1 2022-01-10 stsp err = encode_delta_in_mem(m, raw, best_deltas,
783 5060d5a1 2022-01-10 stsp best_ndeltas, best_size, m->prev->size);
785 5060d5a1 2022-01-10 stsp m->delta_offset = ftello(delta_cache);
788 67fd6849 2022-02-13 stsp * Storing compressed delta data in the delta
789 67fd6849 2022-02-13 stsp * cache file would probably be more efficient
790 67fd6849 2022-02-13 stsp * than writing uncompressed delta data here
791 67fd6849 2022-02-13 stsp * and compressing it while writing the pack
792 67fd6849 2022-02-13 stsp * file. This would also allow for reusing
793 67fd6849 2022-02-13 stsp * deltas in their compressed form.
795 5060d5a1 2022-01-10 stsp err = encode_delta(m, raw, best_deltas,
796 5060d5a1 2022-01-10 stsp best_ndeltas, m->prev->size, delta_cache);
798 74881701 2021-10-15 stsp free(best_deltas);
799 74881701 2021-10-15 stsp best_deltas = NULL;
800 74881701 2021-10-15 stsp best_ndeltas = 0;
805 e6bcace5 2021-06-22 stsp got_object_raw_close(raw);
806 e6bcace5 2021-06-22 stsp raw = NULL;
809 e6bcace5 2021-06-22 stsp for (i = MAX(0, nmeta - max_base_candidates); i < nmeta; i++) {
810 e6bcace5 2021-06-22 stsp got_deltify_free(meta[i]->dtab);
811 e6bcace5 2021-06-22 stsp meta[i]->dtab = NULL;
814 e6bcace5 2021-06-22 stsp got_object_raw_close(raw);
815 e6bcace5 2021-06-22 stsp if (base_raw)
816 e6bcace5 2021-06-22 stsp got_object_raw_close(base_raw);
817 cc7a354a 2021-10-15 stsp if (outfd != -1 && close(outfd) == -1 && err == NULL)
818 cc7a354a 2021-10-15 stsp err = got_error_from_errno("close");
819 74881701 2021-10-15 stsp free(deltas);
820 74881701 2021-10-15 stsp free(best_deltas);
821 e6bcace5 2021-06-22 stsp return err;
824 e6bcace5 2021-06-22 stsp static const struct got_error *
825 05118f5a 2021-06-22 stsp search_packidx(int *found, struct got_object_id *id,
826 05118f5a 2021-06-22 stsp struct got_repository *repo)
828 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
829 05118f5a 2021-06-22 stsp struct got_packidx *packidx = NULL;
832 05118f5a 2021-06-22 stsp *found = 0;
834 05118f5a 2021-06-22 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
835 05118f5a 2021-06-22 stsp if (err == NULL)
836 05118f5a 2021-06-22 stsp *found = 1; /* object is already packed */
837 05118f5a 2021-06-22 stsp else if (err->code == GOT_ERR_NO_OBJ)
838 05118f5a 2021-06-22 stsp err = NULL;
839 05118f5a 2021-06-22 stsp return err;
842 07165b17 2021-07-01 stsp static const int obj_types[] = {
843 07165b17 2021-07-01 stsp GOT_OBJ_TYPE_ANY,
844 07165b17 2021-07-01 stsp GOT_OBJ_TYPE_COMMIT,
845 07165b17 2021-07-01 stsp GOT_OBJ_TYPE_TREE,
846 07165b17 2021-07-01 stsp GOT_OBJ_TYPE_BLOB,
847 07165b17 2021-07-01 stsp GOT_OBJ_TYPE_TAG,
848 07165b17 2021-07-01 stsp GOT_OBJ_TYPE_OFFSET_DELTA,
849 07165b17 2021-07-01 stsp GOT_OBJ_TYPE_REF_DELTA
852 05118f5a 2021-06-22 stsp static const struct got_error *
853 67fd6849 2022-02-13 stsp add_object(int want_meta, struct got_object_idset *idset,
854 e6bcace5 2021-06-22 stsp struct got_object_id *id, const char *path, int obj_type,
855 6863cbf9 2022-03-21 stsp time_t mtime, int loose_obj_only, struct got_repository *repo,
856 6863cbf9 2022-03-21 stsp int *ncolored, int *nfound, int *ntrees,
857 6863cbf9 2022-03-21 stsp got_pack_progress_cb progress_cb, void *progress_arg,
858 6863cbf9 2022-03-21 stsp struct got_ratelimit *rl)
860 e6bcace5 2021-06-22 stsp const struct got_error *err;
861 67fd6849 2022-02-13 stsp struct got_pack_meta *m = NULL;
863 05118f5a 2021-06-22 stsp if (loose_obj_only) {
864 05118f5a 2021-06-22 stsp int is_packed;
865 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
867 05118f5a 2021-06-22 stsp return err;
868 cdeb891a 2022-03-21 stsp if (is_packed && want_meta)
869 05118f5a 2021-06-22 stsp return NULL;
872 67fd6849 2022-02-13 stsp if (want_meta) {
873 67fd6849 2022-02-13 stsp err = alloc_meta(&m, id, path, obj_type, mtime);
875 6863cbf9 2022-03-21 stsp return err;
877 6863cbf9 2022-03-21 stsp (*nfound)++;
878 6863cbf9 2022-03-21 stsp err = report_progress(progress_cb, progress_arg, rl,
879 6863cbf9 2022-03-21 stsp *ncolored, *nfound, *ntrees, 0L, 0, 0, 0, 0);
881 67fd6849 2022-02-13 stsp return err;
884 67fd6849 2022-02-13 stsp return got_object_idset_add(idset, id, m);
887 e6bcace5 2021-06-22 stsp static const struct got_error *
888 67fd6849 2022-02-13 stsp load_tree_entries(struct got_object_id_queue *ids, int want_meta,
889 e6bcace5 2021-06-22 stsp struct got_object_idset *idset, struct got_object_id *tree_id,
890 e6bcace5 2021-06-22 stsp const char *dpath, time_t mtime, struct got_repository *repo,
891 b8af7c06 2022-03-15 stsp int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
892 b8af7c06 2022-03-15 stsp got_pack_progress_cb progress_cb, void *progress_arg,
893 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
895 e6bcace5 2021-06-22 stsp const struct got_error *err;
896 e6bcace5 2021-06-22 stsp struct got_tree_object *tree;
897 e6bcace5 2021-06-22 stsp char *p = NULL;
900 e6bcace5 2021-06-22 stsp err = got_object_open_as_tree(&tree, repo, tree_id);
902 b8af7c06 2022-03-15 stsp return err;
904 b8af7c06 2022-03-15 stsp (*ntrees)++;
905 b8af7c06 2022-03-15 stsp err = report_progress(progress_cb, progress_arg, rl,
906 b8af7c06 2022-03-15 stsp *ncolored, *nfound, *ntrees, 0L, 0, 0, 0, 0);
908 e6bcace5 2021-06-22 stsp return err;
910 e6bcace5 2021-06-22 stsp for (i = 0; i < got_object_tree_get_nentries(tree); i++) {
911 e6bcace5 2021-06-22 stsp struct got_tree_entry *e = got_object_tree_get_entry(tree, i);
912 e6bcace5 2021-06-22 stsp struct got_object_id *id = got_tree_entry_get_id(e);
913 e6bcace5 2021-06-22 stsp mode_t mode = got_tree_entry_get_mode(e);
915 e6bcace5 2021-06-22 stsp if (cancel_cb) {
916 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
921 3af9de88 2021-09-22 stsp if (got_object_tree_entry_is_submodule(e) ||
922 e6bcace5 2021-06-22 stsp got_object_idset_contains(idset, id))
925 e6bcace5 2021-06-22 stsp if (asprintf(&p, "%s%s%s", dpath, dpath[0] != '\0' ? "/" : "",
926 e6bcace5 2021-06-22 stsp got_tree_entry_get_name(e)) == -1) {
927 e6bcace5 2021-06-22 stsp err = got_error_from_errno("asprintf");
931 e6bcace5 2021-06-22 stsp if (S_ISDIR(mode)) {
932 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
933 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, id);
936 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(ids, qid, entry);
937 3af9de88 2021-09-22 stsp } else if (S_ISREG(mode) || S_ISLNK(mode)) {
938 67fd6849 2022-02-13 stsp err = add_object(want_meta, idset, id, p,
939 6863cbf9 2022-03-21 stsp GOT_OBJ_TYPE_BLOB, mtime, loose_obj_only, repo,
940 6863cbf9 2022-03-21 stsp ncolored, nfound, ntrees,
941 6863cbf9 2022-03-21 stsp progress_cb, progress_arg, rl);
949 e6bcace5 2021-06-22 stsp got_object_tree_close(tree);
951 e6bcace5 2021-06-22 stsp return err;
954 e6bcace5 2021-06-22 stsp static const struct got_error *
955 67fd6849 2022-02-13 stsp load_tree(int want_meta, struct got_object_idset *idset,
956 e6bcace5 2021-06-22 stsp struct got_object_id *tree_id, const char *dpath, time_t mtime,
957 b8af7c06 2022-03-15 stsp struct got_repository *repo, int loose_obj_only,
958 b8af7c06 2022-03-15 stsp int *ncolored, int *nfound, int *ntrees,
959 b8af7c06 2022-03-15 stsp got_pack_progress_cb progress_cb, void *progress_arg,
960 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
962 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
963 e6bcace5 2021-06-22 stsp struct got_object_id_queue tree_ids;
964 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
966 e6bcace5 2021-06-22 stsp if (got_object_idset_contains(idset, tree_id))
967 e6bcace5 2021-06-22 stsp return NULL;
969 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, tree_id);
971 e6bcace5 2021-06-22 stsp return err;
973 dbdddfee 2021-06-23 naddy STAILQ_INIT(&tree_ids);
974 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&tree_ids, qid, entry);
976 dbdddfee 2021-06-23 naddy while (!STAILQ_EMPTY(&tree_ids)) {
977 e6bcace5 2021-06-22 stsp if (cancel_cb) {
978 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
983 dbdddfee 2021-06-23 naddy qid = STAILQ_FIRST(&tree_ids);
984 dbdddfee 2021-06-23 naddy STAILQ_REMOVE_HEAD(&tree_ids, entry);
986 e6bcace5 2021-06-22 stsp if (got_object_idset_contains(idset, qid->id)) {
987 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
991 67fd6849 2022-02-13 stsp err = add_object(want_meta, idset, qid->id, dpath,
992 6863cbf9 2022-03-21 stsp GOT_OBJ_TYPE_TREE, mtime, loose_obj_only, repo,
993 6863cbf9 2022-03-21 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
995 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
999 67fd6849 2022-02-13 stsp err = load_tree_entries(&tree_ids, want_meta, idset, qid->id,
1000 b8af7c06 2022-03-15 stsp dpath, mtime, repo, loose_obj_only, ncolored, nfound,
1001 b8af7c06 2022-03-15 stsp ntrees, progress_cb, progress_arg, rl,
1002 b8af7c06 2022-03-15 stsp cancel_cb, cancel_arg);
1003 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1008 e6bcace5 2021-06-22 stsp got_object_id_queue_free(&tree_ids);
1009 e6bcace5 2021-06-22 stsp return err;
1012 e6bcace5 2021-06-22 stsp static const struct got_error *
1013 67fd6849 2022-02-13 stsp load_commit(int want_meta, struct got_object_idset *idset,
1014 05118f5a 2021-06-22 stsp struct got_object_id *id, struct got_repository *repo, int loose_obj_only,
1015 b8af7c06 2022-03-15 stsp int *ncolored, int *nfound, int *ntrees,
1016 b8af7c06 2022-03-15 stsp got_pack_progress_cb progress_cb, void *progress_arg,
1017 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1019 e6bcace5 2021-06-22 stsp const struct got_error *err;
1020 e6bcace5 2021-06-22 stsp struct got_commit_object *commit;
1022 e6bcace5 2021-06-22 stsp if (got_object_idset_contains(idset, id))
1023 e6bcace5 2021-06-22 stsp return NULL;
1025 05118f5a 2021-06-22 stsp if (loose_obj_only) {
1026 05118f5a 2021-06-22 stsp int is_packed;
1027 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
1029 05118f5a 2021-06-22 stsp return err;
1030 cdeb891a 2022-03-21 stsp if (is_packed && want_meta)
1031 05118f5a 2021-06-22 stsp return NULL;
1034 e6bcace5 2021-06-22 stsp err = got_object_open_as_commit(&commit, repo, id);
1036 e6bcace5 2021-06-22 stsp return err;
1038 67fd6849 2022-02-13 stsp err = add_object(want_meta, idset, id, "", GOT_OBJ_TYPE_COMMIT,
1039 05118f5a 2021-06-22 stsp got_object_commit_get_committer_time(commit),
1040 6863cbf9 2022-03-21 stsp loose_obj_only, repo,
1041 6863cbf9 2022-03-21 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1043 e6bcace5 2021-06-22 stsp goto done;
1045 67fd6849 2022-02-13 stsp err = load_tree(want_meta, idset, got_object_commit_get_tree_id(commit),
1046 05118f5a 2021-06-22 stsp "", got_object_commit_get_committer_time(commit),
1047 b8af7c06 2022-03-15 stsp repo, loose_obj_only, ncolored, nfound, ntrees,
1048 b8af7c06 2022-03-15 stsp progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1050 e6bcace5 2021-06-22 stsp got_object_commit_close(commit);
1051 e6bcace5 2021-06-22 stsp return err;
1054 05118f5a 2021-06-22 stsp static const struct got_error *
1055 67fd6849 2022-02-13 stsp load_tag(int want_meta, struct got_object_idset *idset,
1056 05118f5a 2021-06-22 stsp struct got_object_id *id, struct got_repository *repo, int loose_obj_only,
1057 b8af7c06 2022-03-15 stsp int *ncolored, int *nfound, int *ntrees,
1058 b8af7c06 2022-03-15 stsp got_pack_progress_cb progress_cb, void *progress_arg,
1059 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1061 05118f5a 2021-06-22 stsp const struct got_error *err;
1062 05118f5a 2021-06-22 stsp struct got_tag_object *tag = NULL;
1064 05118f5a 2021-06-22 stsp if (got_object_idset_contains(idset, id))
1065 05118f5a 2021-06-22 stsp return NULL;
1067 05118f5a 2021-06-22 stsp if (loose_obj_only) {
1068 05118f5a 2021-06-22 stsp int is_packed;
1069 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
1071 05118f5a 2021-06-22 stsp return err;
1072 cdeb891a 2022-03-21 stsp if (is_packed && want_meta)
1073 05118f5a 2021-06-22 stsp return NULL;
1076 05118f5a 2021-06-22 stsp err = got_object_open_as_tag(&tag, repo, id);
1078 05118f5a 2021-06-22 stsp return err;
1080 67fd6849 2022-02-13 stsp err = add_object(want_meta, idset, id, "", GOT_OBJ_TYPE_TAG,
1081 6863cbf9 2022-03-21 stsp got_object_tag_get_tagger_time(tag), loose_obj_only, repo,
1082 6863cbf9 2022-03-21 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1084 05118f5a 2021-06-22 stsp goto done;
1086 05118f5a 2021-06-22 stsp switch (got_object_tag_get_object_type(tag)) {
1087 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_COMMIT:
1088 67fd6849 2022-02-13 stsp err = load_commit(want_meta, idset,
1089 b8af7c06 2022-03-15 stsp got_object_tag_get_object_id(tag), repo, loose_obj_only,
1090 b8af7c06 2022-03-15 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl,
1091 b8af7c06 2022-03-15 stsp cancel_cb, cancel_arg);
1093 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_TREE:
1094 67fd6849 2022-02-13 stsp err = load_tree(want_meta, idset,
1095 67fd6849 2022-02-13 stsp got_object_tag_get_object_id(tag), "",
1096 b8af7c06 2022-03-15 stsp got_object_tag_get_tagger_time(tag), repo, loose_obj_only,
1097 b8af7c06 2022-03-15 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl,
1098 b8af7c06 2022-03-15 stsp cancel_cb, cancel_arg);
1105 05118f5a 2021-06-22 stsp got_object_tag_close(tag);
1106 05118f5a 2021-06-22 stsp return err;
1109 e6bcace5 2021-06-22 stsp enum findtwixt_color {
1110 e6bcace5 2021-06-22 stsp COLOR_KEEP = 0,
1111 e6bcace5 2021-06-22 stsp COLOR_DROP,
1112 e6bcace5 2021-06-22 stsp COLOR_BLANK,
1114 e6bcace5 2021-06-22 stsp static const int findtwixt_colors[] = {
1115 e6bcace5 2021-06-22 stsp COLOR_KEEP,
1116 e6bcace5 2021-06-22 stsp COLOR_DROP,
1117 e6bcace5 2021-06-22 stsp COLOR_BLANK
1120 e6bcace5 2021-06-22 stsp static const struct got_error *
1121 e6bcace5 2021-06-22 stsp queue_commit_id(struct got_object_id_queue *ids, struct got_object_id *id,
1122 e6bcace5 2021-06-22 stsp int color, struct got_repository *repo)
1124 e6bcace5 2021-06-22 stsp const struct got_error *err;
1125 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1127 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, id);
1129 e6bcace5 2021-06-22 stsp return err;
1131 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(ids, qid, entry);
1132 e6bcace5 2021-06-22 stsp qid->data = (void *)&findtwixt_colors[color];
1133 e6bcace5 2021-06-22 stsp return NULL;
1136 e6bcace5 2021-06-22 stsp static const struct got_error *
1137 e6bcace5 2021-06-22 stsp drop_commit(struct got_object_idset *keep, struct got_object_idset *drop,
1138 e6bcace5 2021-06-22 stsp struct got_object_id *id, struct got_repository *repo,
1139 e6bcace5 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
1141 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1142 e6bcace5 2021-06-22 stsp struct got_commit_object *commit;
1143 e6bcace5 2021-06-22 stsp const struct got_object_id_queue *parents;
1144 e6bcace5 2021-06-22 stsp struct got_object_id_queue ids;
1145 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1147 dbdddfee 2021-06-23 naddy STAILQ_INIT(&ids);
1149 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, id);
1151 e6bcace5 2021-06-22 stsp return err;
1152 dbdddfee 2021-06-23 naddy STAILQ_INSERT_HEAD(&ids, qid, entry);
1154 dbdddfee 2021-06-23 naddy while (!STAILQ_EMPTY(&ids)) {
1155 e6bcace5 2021-06-22 stsp if (cancel_cb) {
1156 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
1161 dbdddfee 2021-06-23 naddy qid = STAILQ_FIRST(&ids);
1162 dbdddfee 2021-06-23 naddy STAILQ_REMOVE_HEAD(&ids, entry);
1164 e6bcace5 2021-06-22 stsp if (got_object_idset_contains(drop, qid->id)) {
1165 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1169 07165b17 2021-07-01 stsp err = got_object_idset_add(drop, qid->id,
1170 07165b17 2021-07-01 stsp (void *)&obj_types[GOT_OBJ_TYPE_COMMIT]);
1171 e6bcace5 2021-06-22 stsp if (err) {
1172 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1176 e6bcace5 2021-06-22 stsp if (!got_object_idset_contains(keep, qid->id)) {
1177 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1181 e6bcace5 2021-06-22 stsp err = got_object_open_as_commit(&commit, repo, qid->id);
1182 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1186 e6bcace5 2021-06-22 stsp parents = got_object_commit_get_parent_ids(commit);
1187 e6bcace5 2021-06-22 stsp if (parents) {
1188 e6bcace5 2021-06-22 stsp err = got_object_id_queue_copy(parents, &ids);
1189 e6bcace5 2021-06-22 stsp if (err) {
1190 e6bcace5 2021-06-22 stsp got_object_commit_close(commit);
1194 e6bcace5 2021-06-22 stsp got_object_commit_close(commit);
1197 e6bcace5 2021-06-22 stsp got_object_id_queue_free(&ids);
1198 e6bcace5 2021-06-22 stsp return err;
1201 e6bcace5 2021-06-22 stsp struct append_id_arg {
1202 e6bcace5 2021-06-22 stsp struct got_object_id **array;
1206 e6bcace5 2021-06-22 stsp static const struct got_error *
1207 e6bcace5 2021-06-22 stsp append_id(struct got_object_id *id, void *data, void *arg)
1209 e6bcace5 2021-06-22 stsp struct append_id_arg *a = arg;
1211 e6bcace5 2021-06-22 stsp a->array[a->idx] = got_object_id_dup(id);
1212 e6bcace5 2021-06-22 stsp if (a->array[a->idx] == NULL)
1213 e6bcace5 2021-06-22 stsp return got_error_from_errno("got_object_id_dup");
1216 e6bcace5 2021-06-22 stsp return NULL;
1219 e6bcace5 2021-06-22 stsp static const struct got_error *
1220 b8af7c06 2022-03-15 stsp findtwixt(struct got_object_id ***res, int *nres, int *ncolored,
1221 e6bcace5 2021-06-22 stsp struct got_object_id **head, int nhead,
1222 e6bcace5 2021-06-22 stsp struct got_object_id **tail, int ntail,
1223 e6bcace5 2021-06-22 stsp struct got_repository *repo,
1224 b8af7c06 2022-03-15 stsp got_pack_progress_cb progress_cb, void *progress_arg,
1225 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1227 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1228 e6bcace5 2021-06-22 stsp struct got_object_id_queue ids;
1229 e6bcace5 2021-06-22 stsp struct got_object_idset *keep, *drop;
1230 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1231 05118f5a 2021-06-22 stsp int i, ncolor, nkeep, obj_type;
1233 dbdddfee 2021-06-23 naddy STAILQ_INIT(&ids);
1234 e6bcace5 2021-06-22 stsp *res = NULL;
1235 e6bcace5 2021-06-22 stsp *nres = 0;
1236 b8af7c06 2022-03-15 stsp *ncolored = 0;
1238 e6bcace5 2021-06-22 stsp keep = got_object_idset_alloc();
1239 e6bcace5 2021-06-22 stsp if (keep == NULL)
1240 e6bcace5 2021-06-22 stsp return got_error_from_errno("got_object_idset_alloc");
1242 e6bcace5 2021-06-22 stsp drop = got_object_idset_alloc();
1243 e6bcace5 2021-06-22 stsp if (drop == NULL) {
1244 e6bcace5 2021-06-22 stsp err = got_error_from_errno("got_object_idset_alloc");
1245 e6bcace5 2021-06-22 stsp goto done;
1248 05118f5a 2021-06-22 stsp for (i = 0; i < nhead; i++) {
1249 05118f5a 2021-06-22 stsp struct got_object_id *id = head[i];
1250 05118f5a 2021-06-22 stsp if (id == NULL)
1252 05118f5a 2021-06-22 stsp err = got_object_get_type(&obj_type, repo, id);
1254 05118f5a 2021-06-22 stsp return err;
1255 05118f5a 2021-06-22 stsp if (obj_type != GOT_OBJ_TYPE_COMMIT)
1257 05118f5a 2021-06-22 stsp err = queue_commit_id(&ids, id, COLOR_KEEP, repo);
1259 05118f5a 2021-06-22 stsp goto done;
1261 05118f5a 2021-06-22 stsp for (i = 0; i < ntail; i++) {
1262 05118f5a 2021-06-22 stsp struct got_object_id *id = tail[i];
1263 05118f5a 2021-06-22 stsp if (id == NULL)
1265 05118f5a 2021-06-22 stsp err = got_object_get_type(&obj_type, repo, id);
1267 05118f5a 2021-06-22 stsp return err;
1268 05118f5a 2021-06-22 stsp if (obj_type != GOT_OBJ_TYPE_COMMIT)
1270 05118f5a 2021-06-22 stsp err = queue_commit_id(&ids, id, COLOR_DROP, repo);
1272 05118f5a 2021-06-22 stsp goto done;
1275 dbdddfee 2021-06-23 naddy while (!STAILQ_EMPTY(&ids)) {
1276 e6bcace5 2021-06-22 stsp int qcolor;
1277 dbdddfee 2021-06-23 naddy qid = STAILQ_FIRST(&ids);
1278 e6bcace5 2021-06-22 stsp qcolor = *((int *)qid->data);
1280 e6bcace5 2021-06-22 stsp if (got_object_idset_contains(drop, qid->id))
1281 e6bcace5 2021-06-22 stsp ncolor = COLOR_DROP;
1282 e6bcace5 2021-06-22 stsp else if (got_object_idset_contains(keep, qid->id))
1283 e6bcace5 2021-06-22 stsp ncolor = COLOR_KEEP;
1285 e6bcace5 2021-06-22 stsp ncolor = COLOR_BLANK;
1287 b8af7c06 2022-03-15 stsp (*ncolored)++;
1288 b8af7c06 2022-03-15 stsp err = report_progress(progress_cb, progress_arg, rl,
1289 b8af7c06 2022-03-15 stsp *ncolored, 0, 0, 0L, 0, 0, 0, 0);
1291 b8af7c06 2022-03-15 stsp goto done;
1293 e6bcace5 2021-06-22 stsp if (ncolor == COLOR_DROP || (ncolor == COLOR_KEEP &&
1294 e6bcace5 2021-06-22 stsp qcolor == COLOR_KEEP)) {
1295 dbdddfee 2021-06-23 naddy STAILQ_REMOVE_HEAD(&ids, entry);
1296 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1300 e6bcace5 2021-06-22 stsp if (ncolor == COLOR_KEEP && qcolor == COLOR_DROP) {
1301 e6bcace5 2021-06-22 stsp err = drop_commit(keep, drop, qid->id, repo,
1302 e6bcace5 2021-06-22 stsp cancel_cb, cancel_arg);
1304 e6bcace5 2021-06-22 stsp goto done;
1305 e6bcace5 2021-06-22 stsp } else if (ncolor == COLOR_BLANK) {
1306 e6bcace5 2021-06-22 stsp struct got_commit_object *commit;
1307 e6bcace5 2021-06-22 stsp struct got_object_id *id;
1308 e6bcace5 2021-06-22 stsp const struct got_object_id_queue *parents;
1309 e6bcace5 2021-06-22 stsp struct got_object_qid *pid;
1311 e6bcace5 2021-06-22 stsp id = got_object_id_dup(qid->id);
1312 e6bcace5 2021-06-22 stsp if (id == NULL) {
1313 e6bcace5 2021-06-22 stsp err = got_error_from_errno("got_object_id_dup");
1314 e6bcace5 2021-06-22 stsp goto done;
1316 e6bcace5 2021-06-22 stsp if (qcolor == COLOR_KEEP)
1317 07165b17 2021-07-01 stsp err = got_object_idset_add(keep, id,
1318 07165b17 2021-07-01 stsp (void *)&obj_types[GOT_OBJ_TYPE_COMMIT]);
1320 07165b17 2021-07-01 stsp err = got_object_idset_add(drop, id,
1321 07165b17 2021-07-01 stsp (void *)&obj_types[GOT_OBJ_TYPE_COMMIT]);
1322 e6bcace5 2021-06-22 stsp if (err) {
1324 e6bcace5 2021-06-22 stsp goto done;
1327 e6bcace5 2021-06-22 stsp err = got_object_open_as_commit(&commit, repo, id);
1328 e6bcace5 2021-06-22 stsp if (err) {
1330 e6bcace5 2021-06-22 stsp goto done;
1332 e6bcace5 2021-06-22 stsp parents = got_object_commit_get_parent_ids(commit);
1333 e6bcace5 2021-06-22 stsp if (parents) {
1334 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(pid, parents, entry) {
1335 e6bcace5 2021-06-22 stsp err = queue_commit_id(&ids, pid->id,
1336 e6bcace5 2021-06-22 stsp qcolor, repo);
1337 e6bcace5 2021-06-22 stsp if (err) {
1339 e6bcace5 2021-06-22 stsp goto done;
1343 e6bcace5 2021-06-22 stsp got_object_commit_close(commit);
1344 e6bcace5 2021-06-22 stsp commit = NULL;
1346 e6bcace5 2021-06-22 stsp /* should not happen */
1347 e6bcace5 2021-06-22 stsp err = got_error_fmt(GOT_ERR_NOT_IMPL,
1348 e6bcace5 2021-06-22 stsp "%s ncolor=%d qcolor=%d", __func__, ncolor, qcolor);
1349 e6bcace5 2021-06-22 stsp goto done;
1352 dbdddfee 2021-06-23 naddy STAILQ_REMOVE_HEAD(&ids, entry);
1353 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1356 e6bcace5 2021-06-22 stsp nkeep = got_object_idset_num_elements(keep);
1357 e6bcace5 2021-06-22 stsp if (nkeep > 0) {
1358 e6bcace5 2021-06-22 stsp struct append_id_arg arg;
1359 e6bcace5 2021-06-22 stsp arg.array = calloc(nkeep, sizeof(struct got_object_id *));
1360 e6bcace5 2021-06-22 stsp if (arg.array == NULL) {
1361 e6bcace5 2021-06-22 stsp err = got_error_from_errno("calloc");
1362 e6bcace5 2021-06-22 stsp goto done;
1364 e6bcace5 2021-06-22 stsp arg.idx = 0;
1365 e6bcace5 2021-06-22 stsp err = got_object_idset_for_each(keep, append_id, &arg);
1366 e6bcace5 2021-06-22 stsp if (err) {
1367 e6bcace5 2021-06-22 stsp free(arg.array);
1368 e6bcace5 2021-06-22 stsp goto done;
1370 e6bcace5 2021-06-22 stsp *res = arg.array;
1371 e6bcace5 2021-06-22 stsp *nres = nkeep;
1374 e6bcace5 2021-06-22 stsp got_object_idset_free(keep);
1375 e6bcace5 2021-06-22 stsp got_object_idset_free(drop);
1376 e6bcace5 2021-06-22 stsp got_object_id_queue_free(&ids);
1377 e6bcace5 2021-06-22 stsp return err;
1380 e6bcace5 2021-06-22 stsp static const struct got_error *
1381 b8af7c06 2022-03-15 stsp load_object_ids(int *ncolored, int *nfound, int *ntrees,
1382 b8af7c06 2022-03-15 stsp struct got_object_idset *idset, struct got_object_id **theirs, int ntheirs,
1383 e6bcace5 2021-06-22 stsp struct got_object_id **ours, int nours, struct got_repository *repo,
1384 b8af7c06 2022-03-15 stsp int loose_obj_only, got_pack_progress_cb progress_cb, void *progress_arg,
1385 b8af7c06 2022-03-15 stsp struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1387 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1388 e6bcace5 2021-06-22 stsp struct got_object_id **ids = NULL;
1389 05118f5a 2021-06-22 stsp int i, nobj = 0, obj_type;
1391 b8af7c06 2022-03-15 stsp *ncolored = 0;
1392 b8af7c06 2022-03-15 stsp *nfound = 0;
1393 b8af7c06 2022-03-15 stsp *ntrees = 0;
1395 b8af7c06 2022-03-15 stsp err = findtwixt(&ids, &nobj, ncolored, ours, nours, theirs, ntheirs,
1396 b8af7c06 2022-03-15 stsp repo, progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1397 e6bcace5 2021-06-22 stsp if (err || nobj == 0)
1398 e6bcace5 2021-06-22 stsp goto done;
1400 e6bcace5 2021-06-22 stsp for (i = 0; i < ntheirs; i++) {
1401 05118f5a 2021-06-22 stsp struct got_object_id *id = theirs[i];
1402 05118f5a 2021-06-22 stsp if (id == NULL)
1404 05118f5a 2021-06-22 stsp err = got_object_get_type(&obj_type, repo, id);
1406 05118f5a 2021-06-22 stsp return err;
1407 05118f5a 2021-06-22 stsp if (obj_type != GOT_OBJ_TYPE_COMMIT)
1409 b8af7c06 2022-03-15 stsp err = load_commit(0, idset, id, repo, loose_obj_only,
1410 b8af7c06 2022-03-15 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl,
1411 b8af7c06 2022-03-15 stsp cancel_cb, cancel_arg);
1413 05118f5a 2021-06-22 stsp goto done;
1416 05118f5a 2021-06-22 stsp for (i = 0; i < ntheirs; i++) {
1417 f4a2ff2d 2021-07-01 stsp struct got_object_id *id = theirs[i];
1418 67fd6849 2022-02-13 stsp struct got_pack_meta *m;
1419 05118f5a 2021-06-22 stsp if (id == NULL)
1421 67fd6849 2022-02-13 stsp m = got_object_idset_get(idset, id);
1422 67fd6849 2022-02-13 stsp if (m == NULL) {
1423 07165b17 2021-07-01 stsp err = got_object_get_type(&obj_type, repo, id);
1425 07165b17 2021-07-01 stsp goto done;
1427 67fd6849 2022-02-13 stsp obj_type = m->obj_type;
1428 05118f5a 2021-06-22 stsp if (obj_type != GOT_OBJ_TYPE_TAG)
1430 b8af7c06 2022-03-15 stsp err = load_tag(0, idset, id, repo, loose_obj_only,
1431 b8af7c06 2022-03-15 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl,
1432 b8af7c06 2022-03-15 stsp cancel_cb, cancel_arg);
1434 05118f5a 2021-06-22 stsp goto done;
1437 eca70f98 2021-09-03 stsp for (i = 0; i < nobj; i++) {
1438 b8af7c06 2022-03-15 stsp err = load_commit(1, idset, ids[i], repo, loose_obj_only,
1439 b8af7c06 2022-03-15 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl,
1440 b8af7c06 2022-03-15 stsp cancel_cb, cancel_arg);
1442 eca70f98 2021-09-03 stsp goto done;
1445 05118f5a 2021-06-22 stsp for (i = 0; i < nours; i++) {
1446 05118f5a 2021-06-22 stsp struct got_object_id *id = ours[i];
1447 67fd6849 2022-02-13 stsp struct got_pack_meta *m;
1448 05118f5a 2021-06-22 stsp if (id == NULL)
1450 67fd6849 2022-02-13 stsp m = got_object_idset_get(idset, id);
1451 67fd6849 2022-02-13 stsp if (m == NULL) {
1452 07165b17 2021-07-01 stsp err = got_object_get_type(&obj_type, repo, id);
1454 07165b17 2021-07-01 stsp goto done;
1456 67fd6849 2022-02-13 stsp obj_type = m->obj_type;
1457 05118f5a 2021-06-22 stsp if (obj_type != GOT_OBJ_TYPE_TAG)
1459 b8af7c06 2022-03-15 stsp err = load_tag(1, idset, id, repo, loose_obj_only,
1460 b8af7c06 2022-03-15 stsp ncolored, nfound, ntrees, progress_cb, progress_arg, rl,
1461 b8af7c06 2022-03-15 stsp cancel_cb, cancel_arg);
1463 e6bcace5 2021-06-22 stsp goto done;
1466 e6bcace5 2021-06-22 stsp for (i = 0; i < nobj; i++) {
1467 e6bcace5 2021-06-22 stsp free(ids[i]);
1469 e6bcace5 2021-06-22 stsp free(ids);
1470 e6bcace5 2021-06-22 stsp return err;
1473 e6bcace5 2021-06-22 stsp const struct got_error *
1474 e6bcace5 2021-06-22 stsp hwrite(FILE *f, void *buf, int len, SHA1_CTX *ctx)
1478 e6bcace5 2021-06-22 stsp SHA1Update(ctx, buf, len);
1479 e6bcace5 2021-06-22 stsp n = fwrite(buf, 1, len, f);
1480 e6bcace5 2021-06-22 stsp if (n != len)
1481 e6bcace5 2021-06-22 stsp return got_ferror(f, GOT_ERR_IO);
1482 e6bcace5 2021-06-22 stsp return NULL;
1485 e6bcace5 2021-06-22 stsp static void
1486 e6bcace5 2021-06-22 stsp putbe32(char *b, uint32_t n)
1488 e6bcace5 2021-06-22 stsp b[0] = n >> 24;
1489 e6bcace5 2021-06-22 stsp b[1] = n >> 16;
1490 e6bcace5 2021-06-22 stsp b[2] = n >> 8;
1491 e6bcace5 2021-06-22 stsp b[3] = n >> 0;
1494 e6bcace5 2021-06-22 stsp static int
1495 e6bcace5 2021-06-22 stsp write_order_cmp(const void *pa, const void *pb)
1497 e6bcace5 2021-06-22 stsp struct got_pack_meta *a, *b, *ahd, *bhd;
1499 e6bcace5 2021-06-22 stsp a = *(struct got_pack_meta **)pa;
1500 e6bcace5 2021-06-22 stsp b = *(struct got_pack_meta **)pb;
1501 e6bcace5 2021-06-22 stsp ahd = (a->head == NULL) ? a : a->head;
1502 e6bcace5 2021-06-22 stsp bhd = (b->head == NULL) ? b : b->head;
1503 e6bcace5 2021-06-22 stsp if (ahd->mtime != bhd->mtime)
1504 e6bcace5 2021-06-22 stsp return bhd->mtime - ahd->mtime;
1505 e6bcace5 2021-06-22 stsp if (ahd != bhd)
1506 e6bcace5 2021-06-22 stsp return (uintptr_t)bhd - (uintptr_t)ahd;
1507 e6bcace5 2021-06-22 stsp if (a->nchain != b->nchain)
1508 e6bcace5 2021-06-22 stsp return a->nchain - b->nchain;
1509 e6bcace5 2021-06-22 stsp return a->mtime - b->mtime;
1512 67fd6849 2022-02-13 stsp static int
1513 67fd6849 2022-02-13 stsp reuse_write_order_cmp(const void *pa, const void *pb)
1515 67fd6849 2022-02-13 stsp struct got_pack_meta *a, *b;
1517 67fd6849 2022-02-13 stsp a = *(struct got_pack_meta **)pa;
1518 67fd6849 2022-02-13 stsp b = *(struct got_pack_meta **)pb;
1520 67fd6849 2022-02-13 stsp if (a->reused_delta_offset < b->reused_delta_offset)
1521 67fd6849 2022-02-13 stsp return -1;
1522 67fd6849 2022-02-13 stsp if (a->reused_delta_offset > b->reused_delta_offset)
1527 e6bcace5 2021-06-22 stsp static const struct got_error *
1528 e6bcace5 2021-06-22 stsp packhdr(int *hdrlen, char *hdr, size_t bufsize, int obj_type, size_t len)
1532 e6bcace5 2021-06-22 stsp *hdrlen = 0;
1534 e6bcace5 2021-06-22 stsp hdr[0] = obj_type << 4;
1535 e6bcace5 2021-06-22 stsp hdr[0] |= len & 0xf;
1536 e6bcace5 2021-06-22 stsp len >>= 4;
1537 e6bcace5 2021-06-22 stsp for (i = 1; len != 0; i++){
1538 e6bcace5 2021-06-22 stsp if (i >= bufsize)
1539 e6bcace5 2021-06-22 stsp return got_error(GOT_ERR_NO_SPACE);
1540 e6bcace5 2021-06-22 stsp hdr[i - 1] |= GOT_DELTA_SIZE_MORE;
1541 e6bcace5 2021-06-22 stsp hdr[i] = len & GOT_DELTA_SIZE_VAL_MASK;
1542 e6bcace5 2021-06-22 stsp len >>= GOT_DELTA_SIZE_SHIFT;
1545 e6bcace5 2021-06-22 stsp *hdrlen = i;
1546 e6bcace5 2021-06-22 stsp return NULL;
1549 e6bcace5 2021-06-22 stsp static int
1550 e6bcace5 2021-06-22 stsp packoff(char *hdr, off_t off)
1553 e6bcace5 2021-06-22 stsp char rbuf[8];
1555 e6bcace5 2021-06-22 stsp rbuf[0] = off & GOT_DELTA_SIZE_VAL_MASK;
1556 e6bcace5 2021-06-22 stsp for (i = 1; (off >>= GOT_DELTA_SIZE_SHIFT) != 0; i++) {
1557 e6bcace5 2021-06-22 stsp rbuf[i] = (--off & GOT_DELTA_SIZE_VAL_MASK) |
1558 e6bcace5 2021-06-22 stsp GOT_DELTA_SIZE_MORE;
1562 e6bcace5 2021-06-22 stsp while (i > 0)
1563 e6bcace5 2021-06-22 stsp hdr[j++] = rbuf[--i];
1567 e6bcace5 2021-06-22 stsp static const struct got_error *
1568 5060d5a1 2022-01-10 stsp deltahdr(off_t *packfile_size, SHA1_CTX *ctx, FILE *packfile,
1569 67fd6849 2022-02-13 stsp struct got_pack_meta *m)
1571 5060d5a1 2022-01-10 stsp const struct got_error *err;
1572 5060d5a1 2022-01-10 stsp char buf[32];
1575 67fd6849 2022-02-13 stsp if (m->prev->off != 0) {
1576 5060d5a1 2022-01-10 stsp err = packhdr(&nh, buf, sizeof(buf),
1577 5060d5a1 2022-01-10 stsp GOT_OBJ_TYPE_OFFSET_DELTA, m->delta_len);
1579 5060d5a1 2022-01-10 stsp return err;
1580 5060d5a1 2022-01-10 stsp nh += packoff(buf + nh, m->off - m->prev->off);
1581 5060d5a1 2022-01-10 stsp err = hwrite(packfile, buf, nh, ctx);
1583 5060d5a1 2022-01-10 stsp return err;
1584 5060d5a1 2022-01-10 stsp *packfile_size += nh;
1586 5060d5a1 2022-01-10 stsp err = packhdr(&nh, buf, sizeof(buf),
1587 5060d5a1 2022-01-10 stsp GOT_OBJ_TYPE_REF_DELTA, m->delta_len);
1589 5060d5a1 2022-01-10 stsp return err;
1590 5060d5a1 2022-01-10 stsp err = hwrite(packfile, buf, nh, ctx);
1592 5060d5a1 2022-01-10 stsp return err;
1593 5060d5a1 2022-01-10 stsp *packfile_size += nh;
1594 5060d5a1 2022-01-10 stsp err = hwrite(packfile, m->prev->id.sha1,
1595 5060d5a1 2022-01-10 stsp sizeof(m->prev->id.sha1), ctx);
1597 5060d5a1 2022-01-10 stsp return err;
1598 5060d5a1 2022-01-10 stsp *packfile_size += sizeof(m->prev->id.sha1);
1601 5060d5a1 2022-01-10 stsp return NULL;
1604 5060d5a1 2022-01-10 stsp static const struct got_error *
1605 67fd6849 2022-02-13 stsp write_packed_object(off_t *packfile_size, FILE *packfile,
1606 67fd6849 2022-02-13 stsp FILE *delta_cache, struct got_pack_meta *m, int *outfd,
1607 67fd6849 2022-02-13 stsp SHA1_CTX *ctx, struct got_repository *repo)
1609 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
1610 67fd6849 2022-02-13 stsp struct got_deflate_checksum csum;
1611 67fd6849 2022-02-13 stsp char buf[32];
1613 67fd6849 2022-02-13 stsp struct got_raw_object *raw = NULL;
1614 67fd6849 2022-02-13 stsp off_t outlen;
1616 67fd6849 2022-02-13 stsp csum.output_sha1 = ctx;
1617 67fd6849 2022-02-13 stsp csum.output_crc = NULL;
1619 67fd6849 2022-02-13 stsp m->off = ftello(packfile);
1620 67fd6849 2022-02-13 stsp if (m->delta_len == 0) {
1621 67fd6849 2022-02-13 stsp err = got_object_raw_open(&raw, outfd, repo, &m->id);
1623 67fd6849 2022-02-13 stsp goto done;
1624 67fd6849 2022-02-13 stsp err = packhdr(&nh, buf, sizeof(buf),
1625 67fd6849 2022-02-13 stsp m->obj_type, raw->size);
1627 67fd6849 2022-02-13 stsp goto done;
1628 67fd6849 2022-02-13 stsp err = hwrite(packfile, buf, nh, ctx);
1630 67fd6849 2022-02-13 stsp goto done;
1631 67fd6849 2022-02-13 stsp *packfile_size += nh;
1632 67fd6849 2022-02-13 stsp if (raw->f == NULL) {
1633 67fd6849 2022-02-13 stsp err = got_deflate_to_file_mmap(&outlen,
1634 67fd6849 2022-02-13 stsp raw->data + raw->hdrlen, 0, raw->size,
1635 67fd6849 2022-02-13 stsp packfile, &csum);
1637 67fd6849 2022-02-13 stsp goto done;
1639 67fd6849 2022-02-13 stsp if (fseeko(raw->f, raw->hdrlen, SEEK_SET)
1641 67fd6849 2022-02-13 stsp err = got_error_from_errno("fseeko");
1642 67fd6849 2022-02-13 stsp goto done;
1644 67fd6849 2022-02-13 stsp err = got_deflate_to_file(&outlen, raw->f,
1645 67fd6849 2022-02-13 stsp raw->size, packfile, &csum);
1647 67fd6849 2022-02-13 stsp goto done;
1649 67fd6849 2022-02-13 stsp *packfile_size += outlen;
1650 67fd6849 2022-02-13 stsp got_object_raw_close(raw);
1651 67fd6849 2022-02-13 stsp raw = NULL;
1652 67fd6849 2022-02-13 stsp } else if (m->delta_buf) {
1653 67fd6849 2022-02-13 stsp err = deltahdr(packfile_size, ctx, packfile, m);
1655 67fd6849 2022-02-13 stsp goto done;
1656 67fd6849 2022-02-13 stsp err = got_deflate_to_file_mmap(&outlen,
1657 67fd6849 2022-02-13 stsp m->delta_buf, 0, m->delta_len, packfile, &csum);
1659 67fd6849 2022-02-13 stsp goto done;
1660 67fd6849 2022-02-13 stsp *packfile_size += outlen;
1661 67fd6849 2022-02-13 stsp free(m->delta_buf);
1662 67fd6849 2022-02-13 stsp m->delta_buf = NULL;
1664 67fd6849 2022-02-13 stsp if (fseeko(delta_cache, m->delta_offset, SEEK_SET)
1666 67fd6849 2022-02-13 stsp err = got_error_from_errno("fseeko");
1667 67fd6849 2022-02-13 stsp goto done;
1669 67fd6849 2022-02-13 stsp err = deltahdr(packfile_size, ctx, packfile, m);
1671 67fd6849 2022-02-13 stsp goto done;
1672 67fd6849 2022-02-13 stsp err = got_deflate_to_file(&outlen, delta_cache,
1673 67fd6849 2022-02-13 stsp m->delta_len, packfile, &csum);
1675 67fd6849 2022-02-13 stsp goto done;
1676 67fd6849 2022-02-13 stsp *packfile_size += outlen;
1680 67fd6849 2022-02-13 stsp got_object_raw_close(raw);
1681 67fd6849 2022-02-13 stsp return err;
1684 67fd6849 2022-02-13 stsp static const struct got_error *
1685 74881701 2021-10-15 stsp genpack(uint8_t *pack_sha1, FILE *packfile, FILE *delta_cache,
1686 67fd6849 2022-02-13 stsp struct got_pack_meta **deltify, int ndeltify,
1687 67fd6849 2022-02-13 stsp struct got_pack_meta **reuse, int nreuse,
1688 b8af7c06 2022-03-15 stsp int ncolored, int nfound, int ntrees, int nours,
1689 b8af7c06 2022-03-15 stsp struct got_repository *repo,
1690 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
1691 211cfef0 2022-01-05 stsp struct got_ratelimit *rl,
1692 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
1694 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1696 e6bcace5 2021-06-22 stsp SHA1_CTX ctx;
1697 e6bcace5 2021-06-22 stsp struct got_pack_meta *m;
1698 08347b73 2021-10-14 stsp char buf[32];
1700 67fd6849 2022-02-13 stsp off_t packfile_size = 0;
1701 cc7a354a 2021-10-15 stsp int outfd = -1;
1703 e6bcace5 2021-06-22 stsp SHA1Init(&ctx);
1705 e6bcace5 2021-06-22 stsp err = hwrite(packfile, "PACK", 4, &ctx);
1707 e6bcace5 2021-06-22 stsp return err;
1708 e6bcace5 2021-06-22 stsp putbe32(buf, GOT_PACKFILE_VERSION);
1709 e6bcace5 2021-06-22 stsp err = hwrite(packfile, buf, 4, &ctx);
1711 e6bcace5 2021-06-22 stsp goto done;
1712 67fd6849 2022-02-13 stsp putbe32(buf, ndeltify + nreuse);
1713 e6bcace5 2021-06-22 stsp err = hwrite(packfile, buf, 4, &ctx);
1715 e6bcace5 2021-06-22 stsp goto done;
1717 67fd6849 2022-02-13 stsp qsort(deltify, ndeltify, sizeof(struct got_pack_meta *),
1718 67fd6849 2022-02-13 stsp write_order_cmp);
1719 67fd6849 2022-02-13 stsp for (i = 0; i < ndeltify; i++) {
1720 211cfef0 2022-01-05 stsp err = report_progress(progress_cb, progress_arg, rl,
1721 b8af7c06 2022-03-15 stsp ncolored, nfound, ntrees, packfile_size, nours,
1722 b8af7c06 2022-03-15 stsp ndeltify + nreuse, ndeltify + nreuse, i);
1724 211cfef0 2022-01-05 stsp goto done;
1725 67fd6849 2022-02-13 stsp m = deltify[i];
1726 67fd6849 2022-02-13 stsp err = write_packed_object(&packfile_size, packfile,
1727 67fd6849 2022-02-13 stsp delta_cache, m, &outfd, &ctx, repo);
1729 67fd6849 2022-02-13 stsp goto done;
1732 67fd6849 2022-02-13 stsp qsort(reuse, nreuse, sizeof(struct got_pack_meta *),
1733 67fd6849 2022-02-13 stsp reuse_write_order_cmp);
1734 67fd6849 2022-02-13 stsp for (i = 0; i < nreuse; i++) {
1735 67fd6849 2022-02-13 stsp err = report_progress(progress_cb, progress_arg, rl,
1736 b8af7c06 2022-03-15 stsp ncolored, nfound, ntrees, packfile_size, nours,
1737 b8af7c06 2022-03-15 stsp ndeltify + nreuse, ndeltify + nreuse, ndeltify + i);
1739 67fd6849 2022-02-13 stsp goto done;
1740 67fd6849 2022-02-13 stsp m = reuse[i];
1741 67fd6849 2022-02-13 stsp err = write_packed_object(&packfile_size, packfile,
1742 67fd6849 2022-02-13 stsp delta_cache, m, &outfd, &ctx, repo);
1744 67fd6849 2022-02-13 stsp goto done;
1747 e6bcace5 2021-06-22 stsp SHA1Final(pack_sha1, &ctx);
1748 e6bcace5 2021-06-22 stsp n = fwrite(pack_sha1, 1, SHA1_DIGEST_LENGTH, packfile);
1749 e6bcace5 2021-06-22 stsp if (n != SHA1_DIGEST_LENGTH)
1750 e6bcace5 2021-06-22 stsp err = got_ferror(packfile, GOT_ERR_IO);
1751 05118f5a 2021-06-22 stsp packfile_size += SHA1_DIGEST_LENGTH;
1752 dc7edd42 2021-08-22 stsp packfile_size += sizeof(struct got_packfile_hdr);
1753 211cfef0 2022-01-05 stsp if (progress_cb) {
1754 b8af7c06 2022-03-15 stsp err = progress_cb(progress_arg, ncolored, nfound, ntrees,
1755 b8af7c06 2022-03-15 stsp packfile_size, nours, ndeltify + nreuse,
1756 b8af7c06 2022-03-15 stsp ndeltify + nreuse, ndeltify + nreuse);
1758 211cfef0 2022-01-05 stsp goto done;
1761 cc7a354a 2021-10-15 stsp if (outfd != -1 && close(outfd) == -1 && err == NULL)
1762 cc7a354a 2021-10-15 stsp err = got_error_from_errno("close");
1763 e6bcace5 2021-06-22 stsp return err;
1766 67fd6849 2022-02-13 stsp static const struct got_error *
1767 67fd6849 2022-02-13 stsp remove_unused_object(struct got_object_idset_element *entry, void *arg)
1769 67fd6849 2022-02-13 stsp struct got_object_idset *idset = arg;
1771 67fd6849 2022-02-13 stsp if (got_object_idset_get_element_data(entry) == NULL)
1772 67fd6849 2022-02-13 stsp got_object_idset_remove_element(idset, entry);
1774 67fd6849 2022-02-13 stsp return NULL;
1777 67fd6849 2022-02-13 stsp static const struct got_error *
1778 67fd6849 2022-02-13 stsp remove_reused_object(struct got_object_idset_element *entry, void *arg)
1780 67fd6849 2022-02-13 stsp struct got_object_idset *idset = arg;
1781 67fd6849 2022-02-13 stsp struct got_pack_meta *m;
1783 67fd6849 2022-02-13 stsp m = got_object_idset_get_element_data(entry);
1784 67fd6849 2022-02-13 stsp if (m->have_reused_delta)
1785 67fd6849 2022-02-13 stsp got_object_idset_remove_element(idset, entry);
1787 67fd6849 2022-02-13 stsp return NULL;
1790 67fd6849 2022-02-13 stsp static const struct got_error *
1791 67fd6849 2022-02-13 stsp add_meta_idset_cb(struct got_object_id *id, void *data, void *arg)
1793 67fd6849 2022-02-13 stsp struct got_pack_meta *m = data;
1794 67fd6849 2022-02-13 stsp struct got_pack_metavec *v = arg;
1796 67fd6849 2022-02-13 stsp return add_meta(m, v);
1799 e6bcace5 2021-06-22 stsp const struct got_error *
1800 e6bcace5 2021-06-22 stsp got_pack_create(uint8_t *packsha1, FILE *packfile,
1801 e6bcace5 2021-06-22 stsp struct got_object_id **theirs, int ntheirs,
1802 e6bcace5 2021-06-22 stsp struct got_object_id **ours, int nours,
1803 f8a36e22 2021-08-26 stsp struct got_repository *repo, int loose_obj_only, int allow_empty,
1804 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
1805 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
1807 e6bcace5 2021-06-22 stsp const struct got_error *err;
1808 67fd6849 2022-02-13 stsp int delta_cache_fd = -1;
1809 74881701 2021-10-15 stsp FILE *delta_cache = NULL;
1810 67fd6849 2022-02-13 stsp struct got_object_idset *idset;
1811 211cfef0 2022-01-05 stsp struct got_ratelimit rl;
1812 67fd6849 2022-02-13 stsp struct got_pack_metavec deltify, reuse;
1813 b8af7c06 2022-03-15 stsp int ncolored = 0, nfound = 0, ntrees = 0;
1815 67fd6849 2022-02-13 stsp memset(&deltify, 0, sizeof(deltify));
1816 67fd6849 2022-02-13 stsp memset(&reuse, 0, sizeof(reuse));
1818 211cfef0 2022-01-05 stsp got_ratelimit_init(&rl, 0, 500);
1820 67fd6849 2022-02-13 stsp idset = got_object_idset_alloc();
1821 67fd6849 2022-02-13 stsp if (idset == NULL)
1822 67fd6849 2022-02-13 stsp return got_error_from_errno("got_object_idset_alloc");
1824 b8af7c06 2022-03-15 stsp err = load_object_ids(&ncolored, &nfound, &ntrees, idset, theirs,
1825 b8af7c06 2022-03-15 stsp ntheirs, ours, nours, repo, loose_obj_only,
1826 b8af7c06 2022-03-15 stsp progress_cb, progress_arg, &rl, cancel_cb, cancel_arg);
1828 e6bcace5 2021-06-22 stsp return err;
1830 67fd6849 2022-02-13 stsp err = got_object_idset_for_each_element(idset,
1831 67fd6849 2022-02-13 stsp remove_unused_object, idset);
1833 67fd6849 2022-02-13 stsp goto done;
1835 28526235 2022-02-13 stsp if (progress_cb) {
1836 b8af7c06 2022-03-15 stsp err = progress_cb(progress_arg, ncolored, nfound, ntrees,
1837 b8af7c06 2022-03-15 stsp 0L, nours, got_object_idset_num_elements(idset), 0, 0);
1839 28526235 2022-02-13 stsp goto done;
1842 67fd6849 2022-02-13 stsp if (got_object_idset_num_elements(idset) == 0 && !allow_empty) {
1843 05118f5a 2021-06-22 stsp err = got_error(GOT_ERR_CANNOT_PACK);
1844 05118f5a 2021-06-22 stsp goto done;
1847 67fd6849 2022-02-13 stsp delta_cache_fd = got_opentempfd();
1848 67fd6849 2022-02-13 stsp if (delta_cache_fd == -1) {
1849 74881701 2021-10-15 stsp err = got_error_from_errno("got_opentemp");
1850 74881701 2021-10-15 stsp goto done;
1853 67fd6849 2022-02-13 stsp reuse.metasz = 64;
1854 67fd6849 2022-02-13 stsp reuse.meta = calloc(reuse.metasz,
1855 67fd6849 2022-02-13 stsp sizeof(struct got_pack_meta *));
1856 67fd6849 2022-02-13 stsp if (reuse.meta == NULL) {
1857 67fd6849 2022-02-13 stsp err = got_error_from_errno("calloc");
1858 67fd6849 2022-02-13 stsp goto done;
1861 b8af7c06 2022-03-15 stsp err = search_deltas(&reuse, idset, delta_cache_fd, ncolored, nfound,
1862 b8af7c06 2022-03-15 stsp ntrees, nours, repo, progress_cb, progress_arg, &rl,
1863 b8af7c06 2022-03-15 stsp cancel_cb, cancel_arg);
1865 67fd6849 2022-02-13 stsp goto done;
1866 67fd6849 2022-02-13 stsp if (reuse.nmeta > 0) {
1867 67fd6849 2022-02-13 stsp err = got_object_idset_for_each_element(idset,
1868 67fd6849 2022-02-13 stsp remove_reused_object, idset);
1870 67fd6849 2022-02-13 stsp goto done;
1873 67fd6849 2022-02-13 stsp delta_cache = fdopen(delta_cache_fd, "a+");
1874 67fd6849 2022-02-13 stsp if (delta_cache == NULL) {
1875 67fd6849 2022-02-13 stsp err = got_error_from_errno("fdopen");
1876 67fd6849 2022-02-13 stsp goto done;
1878 67fd6849 2022-02-13 stsp delta_cache_fd = -1;
1880 67fd6849 2022-02-13 stsp if (fseeko(delta_cache, 0L, SEEK_END) == -1) {
1881 67fd6849 2022-02-13 stsp err = got_error_from_errno("fseeko");
1882 67fd6849 2022-02-13 stsp goto done;
1885 67fd6849 2022-02-13 stsp deltify.meta = calloc(got_object_idset_num_elements(idset),
1886 67fd6849 2022-02-13 stsp sizeof(struct got_pack_meta *));
1887 67fd6849 2022-02-13 stsp if (deltify.meta == NULL) {
1888 67fd6849 2022-02-13 stsp err = got_error_from_errno("calloc");
1889 67fd6849 2022-02-13 stsp goto done;
1891 67fd6849 2022-02-13 stsp deltify.metasz = got_object_idset_num_elements(idset);
1893 67fd6849 2022-02-13 stsp err = got_object_idset_for_each(idset, add_meta_idset_cb, &deltify);
1895 67fd6849 2022-02-13 stsp goto done;
1896 67fd6849 2022-02-13 stsp if (deltify.nmeta > 0) {
1897 b8af7c06 2022-03-15 stsp err = pick_deltas(deltify.meta, deltify.nmeta, ncolored,
1898 b8af7c06 2022-03-15 stsp nfound, ntrees, nours, reuse.nmeta, delta_cache, repo,
1899 211cfef0 2022-01-05 stsp progress_cb, progress_arg, &rl, cancel_cb, cancel_arg);
1901 f8a36e22 2021-08-26 stsp goto done;
1902 74881701 2021-10-15 stsp if (fseeko(delta_cache, 0L, SEEK_SET) == -1) {
1903 74881701 2021-10-15 stsp err = got_error_from_errno("fseeko");
1904 74881701 2021-10-15 stsp goto done;
1908 67fd6849 2022-02-13 stsp err = genpack(packsha1, packfile, delta_cache, deltify.meta,
1909 b8af7c06 2022-03-15 stsp deltify.nmeta, reuse.meta, reuse.nmeta, ncolored, nfound, ntrees,
1910 b8af7c06 2022-03-15 stsp nours, repo, progress_cb, progress_arg, &rl,
1911 b8af7c06 2022-03-15 stsp cancel_cb, cancel_arg);
1913 e6bcace5 2021-06-22 stsp goto done;
1915 67fd6849 2022-02-13 stsp free_nmeta(deltify.meta, deltify.nmeta);
1916 67fd6849 2022-02-13 stsp free_nmeta(reuse.meta, reuse.nmeta);
1917 67fd6849 2022-02-13 stsp got_object_idset_free(idset);
1918 67fd6849 2022-02-13 stsp if (delta_cache_fd != -1 && close(delta_cache_fd) == -1 && err == NULL)
1919 67fd6849 2022-02-13 stsp err = got_error_from_errno("close");
1920 74881701 2021-10-15 stsp if (delta_cache && fclose(delta_cache) == EOF && err == NULL)
1921 74881701 2021-10-15 stsp err = got_error_from_errno("fclose");
1922 e6bcace5 2021-06-22 stsp return err;
