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;
54 718b3ab0 2018-03-17 stsp * UNIX-style path, relative to work tree root.
55 718b3ab0 2018-03-17 stsp * Variable length, and NUL-padded to a multiple of 8 on disk.
59 718b3ab0 2018-03-17 stsp /* More data could be here if F_EXTENDED is set; To be determined... */
62 718b3ab0 2018-03-17 stsp /* "Stages" of a file afflicted by a 3-way merge conflict. */
63 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_STAGE_MERGED 0
64 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_STAGE_ANCESTOR 1
65 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_STAGE_OURS 2
66 a7f9d64d 2019-01-13 stsp #define GOT_FILEIDX_STAGE_THEIRS 3
68 133d2798 2019-01-08 stsp struct got_fileindex;
70 7a9df742 2019-01-08 stsp RB_HEAD(got_fileindex_tree, got_fileindex_entry);
72 7a9df742 2019-01-08 stsp static inline int
73 7a9df742 2019-01-08 stsp got_fileindex_cmp(const struct got_fileindex_entry *e1,
74 7a9df742 2019-01-08 stsp const struct got_fileindex_entry *e2)
76 f5d3d7af 2019-02-05 stsp return got_path_cmp(e1->path, e2->path);
79 7a9df742 2019-01-08 stsp RB_PROTOTYPE(got_fileindex_tree, got_fileindex_entry, entry, got_fileindex_cmp);
81 718b3ab0 2018-03-17 stsp /* On-disk file index header structure. */
82 718b3ab0 2018-03-17 stsp struct got_fileindex_hdr {
83 718b3ab0 2018-03-17 stsp uint32_t signature; /* big-endian */
84 718b3ab0 2018-03-17 stsp #define GOT_FILE_INDEX_SIGNATURE 0x676f7449 /* 'g', 'o', 't', 'I' */
85 718b3ab0 2018-03-17 stsp uint32_t version; /* big-endian */
86 718b3ab0 2018-03-17 stsp #define GOT_FILE_INDEX_VERSION 1
87 718b3ab0 2018-03-17 stsp uint32_t nentries; /* big-endian */
88 718b3ab0 2018-03-17 stsp /* list of concatenated fileindex entries */
89 718b3ab0 2018-03-17 stsp uint8_t sha1[SHA1_DIGEST_LENGTH]; /* checksum of above on-disk data */
92 51514078 2018-12-25 stsp const struct got_error *got_fileindex_entry_update(struct got_fileindex_entry *,
93 02c07007 2019-02-10 stsp const char *, uint8_t *, uint8_t *, int);
94 7426bbfd 2018-12-24 stsp const struct got_error *got_fileindex_entry_alloc(struct got_fileindex_entry **,
95 fc76cabb 2018-12-25 stsp const char *, const char *, uint8_t *, uint8_t *);
96 7426bbfd 2018-12-24 stsp void got_fileindex_entry_free(struct got_fileindex_entry *);
97 133d2798 2019-01-08 stsp struct got_fileindex *got_fileindex_alloc(void);
98 7426bbfd 2018-12-24 stsp void got_fileindex_free(struct got_fileindex *);
99 718b3ab0 2018-03-17 stsp const struct got_error *got_fileindex_write(struct got_fileindex *, FILE *);
100 718b3ab0 2018-03-17 stsp const struct got_error *got_fileindex_entry_add(struct got_fileindex *,
101 718b3ab0 2018-03-17 stsp struct got_fileindex_entry *);
102 133d2798 2019-01-08 stsp void got_fileindex_entry_remove(struct got_fileindex *,
103 512f0d0e 2019-01-02 stsp struct got_fileindex_entry *);
104 51514078 2018-12-25 stsp struct got_fileindex_entry *got_fileindex_entry_get(struct got_fileindex *,
105 51514078 2018-12-25 stsp const char *);
106 52a74475 2018-12-24 stsp const struct got_error *got_fileindex_read(struct got_fileindex *, FILE *);
107 b504a804 2019-01-08 stsp typedef const struct got_error *(*got_fileindex_cb)(void *,
108 b504a804 2019-01-08 stsp struct got_fileindex_entry *);
109 e1ed7f77 2019-01-06 stsp const struct got_error *got_fileindex_for_each_entry_safe(
110 b504a804 2019-01-08 stsp struct got_fileindex *, got_fileindex_cb cb, void *);
112 f44ffd20 2019-02-04 stsp typedef const struct got_error *(*got_fileindex_diff_tree_old_new_cb)(void *,
113 8da9e5f4 2019-01-12 stsp struct got_fileindex_entry *, struct got_tree_entry *, const char *);
114 f44ffd20 2019-02-04 stsp typedef const struct got_error *(*got_fileindex_diff_tree_old_cb)(void *,
115 8da9e5f4 2019-01-12 stsp struct got_fileindex_entry *, const char *);
116 f44ffd20 2019-02-04 stsp typedef const struct got_error *(*got_fileindex_diff_tree_new_cb)(void *,
117 8da9e5f4 2019-01-12 stsp struct got_tree_entry *, const char *);
118 f44ffd20 2019-02-04 stsp struct got_fileindex_diff_tree_cb {
119 f44ffd20 2019-02-04 stsp got_fileindex_diff_tree_old_new_cb diff_old_new;
120 f44ffd20 2019-02-04 stsp got_fileindex_diff_tree_old_cb diff_old;
121 f44ffd20 2019-02-04 stsp got_fileindex_diff_tree_new_cb diff_new;
123 8da9e5f4 2019-01-12 stsp const struct got_error *got_fileindex_diff_tree(struct got_fileindex *,
124 c4cdcb68 2019-04-03 stsp struct got_tree_object *, const char *, const char *,
125 c4cdcb68 2019-04-03 stsp struct got_repository *, struct got_fileindex_diff_tree_cb *, void *);
127 d1f6d47b 2019-02-04 stsp typedef const struct got_error *(*got_fileindex_diff_dir_old_new_cb)(void *,
128 d1f6d47b 2019-02-04 stsp struct got_fileindex_entry *, struct dirent *, const char *);
129 d1f6d47b 2019-02-04 stsp typedef const struct got_error *(*got_fileindex_diff_dir_old_cb)(void *,
130 d1f6d47b 2019-02-04 stsp struct got_fileindex_entry *, const char *);
131 d1f6d47b 2019-02-04 stsp typedef const struct got_error *(*got_fileindex_diff_dir_new_cb)(void *,
132 d1f6d47b 2019-02-04 stsp struct dirent *, const char *);
133 d1f6d47b 2019-02-04 stsp struct got_fileindex_diff_dir_cb {
134 d1f6d47b 2019-02-04 stsp got_fileindex_diff_dir_old_new_cb diff_old_new;
135 d1f6d47b 2019-02-04 stsp got_fileindex_diff_dir_old_cb diff_old;
136 d1f6d47b 2019-02-04 stsp got_fileindex_diff_dir_new_cb diff_new;
138 d1f6d47b 2019-02-04 stsp const struct got_error *got_fileindex_diff_dir(struct got_fileindex *, DIR *,
139 927df6b7 2019-02-10 stsp const char *, const char *, struct got_repository *,
140 927df6b7 2019-02-10 stsp struct got_fileindex_diff_dir_cb *, void *);
142 d00136be 2019-03-26 stsp int got_fileindex_entry_has_blob(struct got_fileindex_entry *);
143 d00136be 2019-03-26 stsp int got_fileindex_entry_has_commit(struct got_fileindex_entry *);
144 2ec1f75b 2019-03-26 stsp int got_fileindex_entry_has_file_on_disk(struct got_fileindex_entry *);
146 2ec1f75b 2019-03-26 stsp void got_fileindex_entry_mark_deleted_from_disk(struct got_fileindex_entry *);
