2 5d56da81 2019-01-13 stsp * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4 718b3ab0 2018-03-17 stsp * Permission to use, copy, modify, and distribute this software for any
5 718b3ab0 2018-03-17 stsp * purpose with or without fee is hereby granted, provided that the above
6 718b3ab0 2018-03-17 stsp * copyright notice and this permission notice appear in all copies.
8 718b3ab0 2018-03-17 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 718b3ab0 2018-03-17 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 718b3ab0 2018-03-17 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 718b3ab0 2018-03-17 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 718b3ab0 2018-03-17 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 718b3ab0 2018-03-17 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 718b3ab0 2018-03-17 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 718b3ab0 2018-03-17 stsp * State information for a tracked file in a work tree.
19 718b3ab0 2018-03-17 stsp * When written to disk, multi-byte fields are written in big-endian.
20 718b3ab0 2018-03-17 stsp * Some fields are based on results from stat(2). These are only used in
21 718b3ab0 2018-03-17 stsp * order to detect modifications made to on-disk files, they are never
22 718b3ab0 2018-03-17 stsp * applied back to the filesystem.
24 718b3ab0 2018-03-17 stsp struct got_fileindex_entry {
25 133d2798 2019-01-08 stsp RB_ENTRY(got_fileindex_entry) entry;
26 718b3ab0 2018-03-17 stsp uint64_t ctime_sec;
27 718b3ab0 2018-03-17 stsp uint64_t ctime_nsec;
28 718b3ab0 2018-03-17 stsp uint64_t mtime_sec;
29 718b3ab0 2018-03-17 stsp uint64_t mtime_nsec;
30 718b3ab0 2018-03-17 stsp uint32_t uid;
31 718b3ab0 2018-03-17 stsp uint32_t gid;
33 718b3ab0 2018-03-17 stsp * On-disk size is truncated to the lower 32 bits.
34 718b3ab0 2018-03-17 stsp * The value is only used to check for modifications anyway.
36 718b3ab0 2018-03-17 stsp uint32_t size;
38 718b3ab0 2018-03-17 stsp uint16_t mode;
39 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_MODE_FILE_TYPE 0x000f
40 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_MODE_REGULAR_FILE 1
41 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_MODE_SYMLINK 2
42 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_MODE_PERMS 0xff10
43 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_MODE_PERMS_SHIFT 4
45 718b3ab0 2018-03-17 stsp /* SHA1 of corresponding blob in repository. */
46 718b3ab0 2018-03-17 stsp uint8_t blob_sha1[SHA1_DIGEST_LENGTH];
48 fc76cabb 2018-12-25 stsp /* SHA1 of corresponding base commit in repository. */
49 fc76cabb 2018-12-25 stsp uint8_t commit_sha1[SHA1_DIGEST_LENGTH];
51 718b3ab0 2018-03-17 stsp uint32_t flags;
52 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_F_PATH_LEN 0x00000fff
53 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_F_STAGE 0x00003000
54 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_F_EXTENDED 0x00004000
55 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_F_ASSUME_VALID 0x00008000
56 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_F_INTENT_TO_ADD 0x20000000
59 718b3ab0 2018-03-17 stsp * UNIX-style path, relative to work tree root.
60 718b3ab0 2018-03-17 stsp * Variable length, and NUL-padded to a multiple of 8 on disk.
64 718b3ab0 2018-03-17 stsp /* More data could be here if F_EXTENDED is set; To be determined... */
67 718b3ab0 2018-03-17 stsp /* "Stages" of a file afflicted by a 3-way merge conflict. */
68 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_STAGE_MERGED 0
69 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_STAGE_ANCESTOR 1
70 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_STAGE_OURS 2
71 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_STAGE_THEIRS 3
73 133d2798 2019-01-08 stsp struct got_fileindex;
75 7a9df742 2019-01-08 stsp RB_HEAD(got_fileindex_tree, got_fileindex_entry);
77 7a9df742 2019-01-08 stsp static inline int
78 7a9df742 2019-01-08 stsp got_fileindex_cmp(const struct got_fileindex_entry *e1,
79 7a9df742 2019-01-08 stsp const struct got_fileindex_entry *e2)
81 f5d3d7af 2019-02-05 stsp return got_path_cmp(e1->path, e2->path);
84 7a9df742 2019-01-08 stsp RB_PROTOTYPE(got_fileindex_tree, got_fileindex_entry, entry, got_fileindex_cmp);
86 718b3ab0 2018-03-17 stsp /* On-disk file index header structure. */
87 718b3ab0 2018-03-17 stsp struct got_fileindex_hdr {
88 718b3ab0 2018-03-17 stsp uint32_t signature; /* big-endian */
89 718b3ab0 2018-03-17 stsp #define GOT_FILE_INDEX_SIGNATURE 0x676f7449 /* 'g', 'o', 't', 'I' */
90 718b3ab0 2018-03-17 stsp uint32_t version; /* big-endian */
91 718b3ab0 2018-03-17 stsp #define GOT_FILE_INDEX_VERSION 1
92 718b3ab0 2018-03-17 stsp uint32_t nentries; /* big-endian */
93 718b3ab0 2018-03-17 stsp /* list of concatenated fileindex entries */
94 718b3ab0 2018-03-17 stsp uint8_t sha1[SHA1_DIGEST_LENGTH]; /* checksum of above on-disk data */
97 51514078 2018-12-25 stsp const struct got_error *got_fileindex_entry_update(struct got_fileindex_entry *,
98 51514078 2018-12-25 stsp const char *, uint8_t *, uint8_t *);
99 7426bbfd 2018-12-24 stsp const struct got_error *got_fileindex_entry_alloc(struct got_fileindex_entry **,
100 fc76cabb 2018-12-25 stsp const char *, const char *, uint8_t *, uint8_t *);
101 7426bbfd 2018-12-24 stsp void got_fileindex_entry_free(struct got_fileindex_entry *);
102 133d2798 2019-01-08 stsp struct got_fileindex *got_fileindex_alloc(void);
103 7426bbfd 2018-12-24 stsp void got_fileindex_free(struct got_fileindex *);
104 718b3ab0 2018-03-17 stsp const struct got_error *got_fileindex_write(struct got_fileindex *, FILE *);
105 718b3ab0 2018-03-17 stsp const struct got_error *got_fileindex_entry_add(struct got_fileindex *,
106 718b3ab0 2018-03-17 stsp struct got_fileindex_entry *);
107 133d2798 2019-01-08 stsp void got_fileindex_entry_remove(struct got_fileindex *,
108 512f0d0e 2019-01-02 stsp struct got_fileindex_entry *);
109 51514078 2018-12-25 stsp struct got_fileindex_entry *got_fileindex_entry_get(struct got_fileindex *,
110 51514078 2018-12-25 stsp const char *);
111 52a74475 2018-12-24 stsp const struct got_error *got_fileindex_read(struct got_fileindex *, FILE *);
112 b504a804 2019-01-08 stsp typedef const struct got_error *(*got_fileindex_cb)(void *,
113 b504a804 2019-01-08 stsp struct got_fileindex_entry *);
114 e1ed7f77 2019-01-06 stsp const struct got_error *got_fileindex_for_each_entry_safe(
115 b504a804 2019-01-08 stsp struct got_fileindex *, got_fileindex_cb cb, void *);
117 f44ffd20 2019-02-04 stsp typedef const struct got_error *(*got_fileindex_diff_tree_old_new_cb)(void *,
118 8da9e5f4 2019-01-12 stsp struct got_fileindex_entry *, struct got_tree_entry *, const char *);
119 f44ffd20 2019-02-04 stsp typedef const struct got_error *(*got_fileindex_diff_tree_old_cb)(void *,
120 8da9e5f4 2019-01-12 stsp struct got_fileindex_entry *, const char *);
121 f44ffd20 2019-02-04 stsp typedef const struct got_error *(*got_fileindex_diff_tree_new_cb)(void *,
122 8da9e5f4 2019-01-12 stsp struct got_tree_entry *, const char *);
123 f44ffd20 2019-02-04 stsp struct got_fileindex_diff_tree_cb {
124 f44ffd20 2019-02-04 stsp got_fileindex_diff_tree_old_new_cb diff_old_new;
125 f44ffd20 2019-02-04 stsp got_fileindex_diff_tree_old_cb diff_old;
126 f44ffd20 2019-02-04 stsp got_fileindex_diff_tree_new_cb diff_new;
128 8da9e5f4 2019-01-12 stsp const struct got_error *got_fileindex_diff_tree(struct got_fileindex *,
129 8da9e5f4 2019-01-12 stsp struct got_tree_object *, struct got_repository *,
130 f44ffd20 2019-02-04 stsp struct got_fileindex_diff_tree_cb *, void *);
132 d1f6d47b 2019-02-04 stsp typedef const struct got_error *(*got_fileindex_diff_dir_old_new_cb)(void *,
133 d1f6d47b 2019-02-04 stsp struct got_fileindex_entry *, struct dirent *, const char *);
134 d1f6d47b 2019-02-04 stsp typedef const struct got_error *(*got_fileindex_diff_dir_old_cb)(void *,
135 d1f6d47b 2019-02-04 stsp struct got_fileindex_entry *, const char *);
136 d1f6d47b 2019-02-04 stsp typedef const struct got_error *(*got_fileindex_diff_dir_new_cb)(void *,
137 d1f6d47b 2019-02-04 stsp struct dirent *, const char *);
138 d1f6d47b 2019-02-04 stsp struct got_fileindex_diff_dir_cb {
139 d1f6d47b 2019-02-04 stsp got_fileindex_diff_dir_old_new_cb diff_old_new;
140 d1f6d47b 2019-02-04 stsp got_fileindex_diff_dir_old_cb diff_old;
141 d1f6d47b 2019-02-04 stsp got_fileindex_diff_dir_new_cb diff_new;
143 d1f6d47b 2019-02-04 stsp const struct got_error *got_fileindex_diff_dir(struct got_fileindex *, DIR *,
144 c7f4312f 2019-02-05 stsp const char *, struct got_repository *, struct got_fileindex_diff_dir_cb *,
