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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" |
8ca12c0d | 8 | #include "dir.h" |
ba84a797 | 9 | |
629de472 | 10 | static const char * const prune_usage[] = { |
b35ddf41 | 11 | "git prune [-n] [-v] [--expire <time>] [--] [<head>...]", |
629de472 MB |
12 | NULL |
13 | }; | |
96f1e58f | 14 | static int show_only; |
b35ddf41 | 15 | static int verbose; |
f01913e4 | 16 | static unsigned long expire; |
ba84a797 | 17 | |
db87e396 | 18 | static int prune_tmp_object(const char *path, const char *filename) |
0e8316cc BC |
19 | { |
20 | const char *fullpath = mkpath("%s/%s", path, filename); | |
21 | if (expire) { | |
22 | struct stat st; | |
23 | if (lstat(fullpath, &st)) | |
24 | return error("Could not stat '%s'", fullpath); | |
25 | if (st.st_mtime > expire) | |
26 | return 0; | |
27 | } | |
28 | printf("Removing stale temporary file %s\n", fullpath); | |
29 | if (!show_only) | |
691f1a28 | 30 | unlink_or_warn(fullpath); |
0e8316cc BC |
31 | return 0; |
32 | } | |
33 | ||
ba84a797 LT |
34 | static int prune_object(char *path, const char *filename, const unsigned char *sha1) |
35 | { | |
f01913e4 JS |
36 | const char *fullpath = mkpath("%s/%s", path, filename); |
37 | if (expire) { | |
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; | |
43 | } | |
b35ddf41 | 44 | if (show_only || verbose) { |
21666f1a NP |
45 | enum object_type type = sha1_object_info(sha1, NULL); |
46 | printf("%s %s\n", sha1_to_hex(sha1), | |
47 | (type > 0) ? typename(type) : "unknown"); | |
b35ddf41 MG |
48 | } |
49 | if (!show_only) | |
691f1a28 | 50 | unlink_or_warn(fullpath); |
ba84a797 LT |
51 | return 0; |
52 | } | |
53 | ||
54 | static int prune_dir(int i, char *path) | |
55 | { | |
56 | DIR *dir = opendir(path); | |
57 | struct dirent *de; | |
58 | ||
59 | if (!dir) | |
60 | return 0; | |
61 | ||
62 | while ((de = readdir(dir)) != NULL) { | |
63 | char name[100]; | |
64 | unsigned char sha1[20]; | |
ba84a797 | 65 | |
8ca12c0d | 66 | if (is_dot_or_dotdot(de->d_name)) |
ba84a797 | 67 | continue; |
8ca12c0d | 68 | if (strlen(de->d_name) == 38) { |
ba84a797 | 69 | sprintf(name, "%02x", i); |
8ca12c0d | 70 | memcpy(name+2, de->d_name, 39); |
ba84a797 LT |
71 | if (get_sha1_hex(name, sha1) < 0) |
72 | break; | |
73 | ||
74 | /* | |
75 | * Do we know about this object? | |
76 | * It must have been reachable | |
77 | */ | |
78 | if (lookup_object(sha1)) | |
79 | continue; | |
80 | ||
81 | prune_object(path, de->d_name, sha1); | |
82 | continue; | |
83 | } | |
3d32a46b BC |
84 | if (!prefixcmp(de->d_name, "tmp_obj_")) { |
85 | prune_tmp_object(path, de->d_name); | |
86 | continue; | |
87 | } | |
ba84a797 LT |
88 | fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name); |
89 | } | |
3254d218 NP |
90 | if (!show_only) |
91 | rmdir(path); | |
ba84a797 LT |
92 | closedir(dir); |
93 | return 0; | |
94 | } | |
95 | ||
96 | static void prune_object_dir(const char *path) | |
97 | { | |
98 | int i; | |
99 | for (i = 0; i < 256; i++) { | |
100 | static char dir[4096]; | |
101 | sprintf(dir, "%s/%02x", path, i); | |
102 | prune_dir(i, dir); | |
103 | } | |
104 | } | |
105 | ||
8464010f DST |
106 | /* |
107 | * Write errors (particularly out of space) can result in | |
108 | * failed temporary packs (and more rarely indexes and other | |
db87e396 BC |
109 | * files begining with "tmp_") accumulating in the object |
110 | * and the pack directories. | |
8464010f | 111 | */ |
db87e396 | 112 | static void remove_temporary_files(const char *path) |
8464010f DST |
113 | { |
114 | DIR *dir; | |
115 | struct dirent *de; | |
8464010f | 116 | |
db87e396 | 117 | dir = opendir(path); |
8464010f | 118 | if (!dir) { |
db87e396 | 119 | fprintf(stderr, "Unable to open directory %s\n", path); |
8464010f DST |
120 | return; |
121 | } | |
0e8316cc BC |
122 | while ((de = readdir(dir)) != NULL) |
123 | if (!prefixcmp(de->d_name, "tmp_")) | |
db87e396 | 124 | prune_tmp_object(path, de->d_name); |
8464010f DST |
125 | closedir(dir); |
126 | } | |
127 | ||
a633fca0 | 128 | int cmd_prune(int argc, const char **argv, const char *prefix) |
ba84a797 | 129 | { |
24304816 | 130 | struct rev_info revs; |
629de472 MB |
131 | const struct option options[] = { |
132 | OPT_BOOLEAN('n', NULL, &show_only, | |
133 | "do not remove, show only"), | |
b35ddf41 MG |
134 | OPT_BOOLEAN('v', NULL, &verbose, |
135 | "report pruned objects"), | |
629de472 MB |
136 | OPT_DATE(0, "expire", &expire, |
137 | "expire objects older than <time>"), | |
138 | OPT_END() | |
139 | }; | |
db87e396 | 140 | char *s; |
ba84a797 | 141 | |
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)) { | |
152 | struct object *object = parse_object(sha1); | |
153 | if (!object) | |
154 | die("bad object: %s", name); | |
155 | add_pending_object(&revs, object, ""); | |
156 | } | |
157 | else | |
158 | die("unrecognized argument: %s", name); | |
159 | } | |
629de472 | 160 | mark_reachable_objects(&revs, 1); |
ba84a797 LT |
161 | prune_object_dir(get_object_directory()); |
162 | ||
2eb53e65 | 163 | prune_packed_objects(show_only); |
db87e396 BC |
164 | remove_temporary_files(get_object_directory()); |
165 | s = xstrdup(mkpath("%s/pack", get_object_directory())); | |
166 | remove_temporary_files(s); | |
167 | free(s); | |
ba84a797 LT |
168 | return 0; |
169 | } |