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Commit | Line | Data |
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ba84a797 | 1 | #include "cache.h" |
ba84a797 | 2 | #include "commit.h" |
ba84a797 LT |
3 | #include "diff.h" |
4 | #include "revision.h" | |
5 | #include "builtin.h" | |
94421474 | 6 | #include "reachable.h" |
629de472 | 7 | #include "parse-options.h" |
dc347195 | 8 | #include "progress.h" |
8ca12c0d | 9 | #include "dir.h" |
ba84a797 | 10 | |
629de472 | 11 | static const char * const prune_usage[] = { |
8f5b7281 | 12 | N_("git prune [-n] [-v] [--expire <time>] [--] [<head>...]"), |
629de472 MB |
13 | NULL |
14 | }; | |
96f1e58f | 15 | static int show_only; |
b35ddf41 | 16 | static int verbose; |
f01913e4 | 17 | static unsigned long expire; |
bf0a59b3 | 18 | static int show_progress = -1; |
ba84a797 | 19 | |
db87e396 | 20 | static int prune_tmp_object(const char *path, const char *filename) |
0e8316cc BC |
21 | { |
22 | const char *fullpath = mkpath("%s/%s", path, filename); | |
cbf731ed AS |
23 | struct stat st; |
24 | if (lstat(fullpath, &st)) | |
25 | return error("Could not stat '%s'", fullpath); | |
26 | if (st.st_mtime > expire) | |
27 | return 0; | |
90b29cb7 BC |
28 | if (show_only || verbose) |
29 | printf("Removing stale temporary file %s\n", fullpath); | |
0e8316cc | 30 | if (!show_only) |
691f1a28 | 31 | unlink_or_warn(fullpath); |
0e8316cc BC |
32 | return 0; |
33 | } | |
34 | ||
ba84a797 LT |
35 | static int prune_object(char *path, const char *filename, const unsigned char *sha1) |
36 | { | |
f01913e4 | 37 | const char *fullpath = mkpath("%s/%s", path, filename); |
cbf731ed AS |
38 | struct stat st; |
39 | if (lstat(fullpath, &st)) | |
40 | return error("Could not stat '%s'", fullpath); | |
41 | if (st.st_mtime > expire) | |
42 | return 0; | |
b35ddf41 | 43 | if (show_only || verbose) { |
21666f1a NP |
44 | enum object_type type = sha1_object_info(sha1, NULL); |
45 | printf("%s %s\n", sha1_to_hex(sha1), | |
46 | (type > 0) ? typename(type) : "unknown"); | |
b35ddf41 MG |
47 | } |
48 | if (!show_only) | |
691f1a28 | 49 | unlink_or_warn(fullpath); |
ba84a797 LT |
50 | return 0; |
51 | } | |
52 | ||
53 | static int prune_dir(int i, char *path) | |
54 | { | |
55 | DIR *dir = opendir(path); | |
56 | struct dirent *de; | |
57 | ||
58 | if (!dir) | |
59 | return 0; | |
60 | ||
61 | while ((de = readdir(dir)) != NULL) { | |
62 | char name[100]; | |
63 | unsigned char sha1[20]; | |
ba84a797 | 64 | |
8ca12c0d | 65 | if (is_dot_or_dotdot(de->d_name)) |
ba84a797 | 66 | continue; |
8ca12c0d | 67 | if (strlen(de->d_name) == 38) { |
ba84a797 | 68 | sprintf(name, "%02x", i); |
8ca12c0d | 69 | memcpy(name+2, de->d_name, 39); |
ba84a797 LT |
70 | if (get_sha1_hex(name, sha1) < 0) |
71 | break; | |
72 | ||
73 | /* | |
74 | * Do we know about this object? | |
75 | * It must have been reachable | |
76 | */ | |
77 | if (lookup_object(sha1)) | |
78 | continue; | |
79 | ||
80 | prune_object(path, de->d_name, sha1); | |
81 | continue; | |
82 | } | |
3d32a46b BC |
83 | if (!prefixcmp(de->d_name, "tmp_obj_")) { |
84 | prune_tmp_object(path, de->d_name); | |
85 | continue; | |
86 | } | |
ba84a797 LT |
87 | fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name); |
88 | } | |
d34e70d6 | 89 | closedir(dir); |
3254d218 NP |
90 | if (!show_only) |
91 | rmdir(path); | |
ba84a797 LT |
92 | return 0; |
93 | } | |
94 | ||
95 | static void prune_object_dir(const char *path) | |
96 | { | |
97 | int i; | |
98 | for (i = 0; i < 256; i++) { | |
99 | static char dir[4096]; | |
100 | sprintf(dir, "%s/%02x", path, i); | |
101 | prune_dir(i, dir); | |
102 | } | |
103 | } | |
104 | ||
8464010f DST |
105 | /* |
106 | * Write errors (particularly out of space) can result in | |
107 | * failed temporary packs (and more rarely indexes and other | |
9517e6b8 | 108 | * files beginning with "tmp_") accumulating in the object |
db87e396 | 109 | * and the pack directories. |
8464010f | 110 | */ |
db87e396 | 111 | static void remove_temporary_files(const char *path) |
8464010f DST |
112 | { |
113 | DIR *dir; | |
114 | struct dirent *de; | |
8464010f | 115 | |
db87e396 | 116 | dir = opendir(path); |
8464010f | 117 | if (!dir) { |
db87e396 | 118 | fprintf(stderr, "Unable to open directory %s\n", path); |
8464010f DST |
119 | return; |
120 | } | |
0e8316cc BC |
121 | while ((de = readdir(dir)) != NULL) |
122 | if (!prefixcmp(de->d_name, "tmp_")) | |
db87e396 | 123 | prune_tmp_object(path, de->d_name); |
8464010f DST |
124 | closedir(dir); |
125 | } | |
126 | ||
a633fca0 | 127 | int cmd_prune(int argc, const char **argv, const char *prefix) |
ba84a797 | 128 | { |
24304816 | 129 | struct rev_info revs; |
bf0a59b3 | 130 | struct progress *progress = NULL; |
629de472 | 131 | const struct option options[] = { |
8f5b7281 NTND |
132 | OPT__DRY_RUN(&show_only, N_("do not remove, show only")), |
133 | OPT__VERBOSE(&verbose, N_("report pruned objects")), | |
134 | OPT_BOOL(0, "progress", &show_progress, N_("show progress")), | |
27ec394a JH |
135 | OPT_EXPIRY_DATE(0, "expire", &expire, |
136 | N_("expire objects older than <time>")), | |
629de472 MB |
137 | OPT_END() |
138 | }; | |
db87e396 | 139 | char *s; |
ba84a797 | 140 | |
cbf731ed | 141 | expire = ULONG_MAX; |
16157b80 | 142 | save_commit_buffer = 0; |
dae556bd | 143 | read_replace_refs = 0; |
a633fca0 | 144 | init_revisions(&revs, prefix); |
ba84a797 | 145 | |
37782920 | 146 | argc = parse_options(argc, argv, prefix, options, prune_usage, 0); |
fe308f53 JH |
147 | while (argc--) { |
148 | unsigned char sha1[20]; | |
149 | const char *name = *argv++; | |
150 | ||
151 | if (!get_sha1(name, sha1)) { | |
f7892d18 | 152 | struct object *object = parse_object_or_die(sha1, name); |
fe308f53 JH |
153 | add_pending_object(&revs, object, ""); |
154 | } | |
155 | else | |
156 | die("unrecognized argument: %s", name); | |
157 | } | |
bf0a59b3 JK |
158 | |
159 | if (show_progress == -1) | |
160 | show_progress = isatty(2); | |
161 | if (show_progress) | |
162 | progress = start_progress_delay("Checking connectivity", 0, 0, 2); | |
163 | ||
dc347195 NTND |
164 | mark_reachable_objects(&revs, 1, progress); |
165 | stop_progress(&progress); | |
ba84a797 LT |
166 | prune_object_dir(get_object_directory()); |
167 | ||
af0b4a3b | 168 | prune_packed_objects(show_only ? PRUNE_PACKED_DRY_RUN : 0); |
db87e396 | 169 | remove_temporary_files(get_object_directory()); |
4e2d094d | 170 | s = mkpathdup("%s/pack", get_object_directory()); |
db87e396 BC |
171 | remove_temporary_files(s); |
172 | free(s); | |
eab3296c NTND |
173 | |
174 | if (is_repository_shallow()) | |
175 | prune_shallow(show_only); | |
176 | ||
ba84a797 LT |
177 | return 0; |
178 | } |