]>
Commit | Line | Data |
---|---|---|
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" |
ba84a797 | 8 | |
629de472 MB |
9 | static const char * const prune_usage[] = { |
10 | "git-prune [-n] [--expire <time>] [--] [<head>...]", | |
11 | NULL | |
12 | }; | |
96f1e58f | 13 | static int show_only; |
f01913e4 | 14 | static unsigned long expire; |
ba84a797 LT |
15 | |
16 | static int prune_object(char *path, const char *filename, const unsigned char *sha1) | |
17 | { | |
f01913e4 JS |
18 | const char *fullpath = mkpath("%s/%s", path, filename); |
19 | if (expire) { | |
20 | struct stat st; | |
21 | if (lstat(fullpath, &st)) | |
22 | return error("Could not stat '%s'", fullpath); | |
23 | if (st.st_mtime > expire) | |
24 | return 0; | |
25 | } | |
ba84a797 | 26 | if (show_only) { |
21666f1a NP |
27 | enum object_type type = sha1_object_info(sha1, NULL); |
28 | printf("%s %s\n", sha1_to_hex(sha1), | |
29 | (type > 0) ? typename(type) : "unknown"); | |
3254d218 | 30 | } else |
f01913e4 | 31 | unlink(fullpath); |
ba84a797 LT |
32 | return 0; |
33 | } | |
34 | ||
35 | static int prune_dir(int i, char *path) | |
36 | { | |
37 | DIR *dir = opendir(path); | |
38 | struct dirent *de; | |
39 | ||
40 | if (!dir) | |
41 | return 0; | |
42 | ||
43 | while ((de = readdir(dir)) != NULL) { | |
44 | char name[100]; | |
45 | unsigned char sha1[20]; | |
46 | int len = strlen(de->d_name); | |
47 | ||
48 | switch (len) { | |
49 | case 2: | |
50 | if (de->d_name[1] != '.') | |
51 | break; | |
52 | case 1: | |
53 | if (de->d_name[0] != '.') | |
54 | break; | |
55 | continue; | |
56 | case 38: | |
57 | sprintf(name, "%02x", i); | |
58 | memcpy(name+2, de->d_name, len+1); | |
59 | if (get_sha1_hex(name, sha1) < 0) | |
60 | break; | |
61 | ||
62 | /* | |
63 | * Do we know about this object? | |
64 | * It must have been reachable | |
65 | */ | |
66 | if (lookup_object(sha1)) | |
67 | continue; | |
68 | ||
69 | prune_object(path, de->d_name, sha1); | |
70 | continue; | |
71 | } | |
72 | fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name); | |
73 | } | |
3254d218 NP |
74 | if (!show_only) |
75 | rmdir(path); | |
ba84a797 LT |
76 | closedir(dir); |
77 | return 0; | |
78 | } | |
79 | ||
80 | static void prune_object_dir(const char *path) | |
81 | { | |
82 | int i; | |
83 | for (i = 0; i < 256; i++) { | |
84 | static char dir[4096]; | |
85 | sprintf(dir, "%s/%02x", path, i); | |
86 | prune_dir(i, dir); | |
87 | } | |
88 | } | |
89 | ||
8464010f DST |
90 | /* |
91 | * Write errors (particularly out of space) can result in | |
92 | * failed temporary packs (and more rarely indexes and other | |
93 | * files begining with "tmp_") accumulating in the | |
94 | * object directory. | |
95 | */ | |
96 | static void remove_temporary_files(void) | |
97 | { | |
98 | DIR *dir; | |
99 | struct dirent *de; | |
100 | char* dirname=get_object_directory(); | |
101 | ||
102 | dir = opendir(dirname); | |
103 | if (!dir) { | |
104 | fprintf(stderr, "Unable to open object directory %s\n", | |
105 | dirname); | |
106 | return; | |
107 | } | |
108 | while ((de = readdir(dir)) != NULL) { | |
109 | if (!prefixcmp(de->d_name, "tmp_")) { | |
110 | char name[PATH_MAX]; | |
111 | int c = snprintf(name, PATH_MAX, "%s/%s", | |
112 | dirname, de->d_name); | |
113 | if (c < 0 || c >= PATH_MAX) | |
114 | continue; | |
115 | if (expire) { | |
116 | struct stat st; | |
117 | if (stat(name, &st) != 0 || st.st_mtime >= expire) | |
118 | continue; | |
119 | } | |
120 | printf("Removing stale temporary file %s\n", name); | |
121 | if (!show_only) | |
122 | unlink(name); | |
123 | } | |
124 | } | |
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"), | |
134 | OPT_DATE(0, "expire", &expire, | |
135 | "expire objects older than <time>"), | |
136 | OPT_END() | |
137 | }; | |
ba84a797 | 138 | |
16157b80 | 139 | save_commit_buffer = 0; |
a633fca0 | 140 | init_revisions(&revs, prefix); |
ba84a797 | 141 | |
629de472 | 142 | argc = parse_options(argc, argv, options, prune_usage, 0); |
fe308f53 JH |
143 | while (argc--) { |
144 | unsigned char sha1[20]; | |
145 | const char *name = *argv++; | |
146 | ||
147 | if (!get_sha1(name, sha1)) { | |
148 | struct object *object = parse_object(sha1); | |
149 | if (!object) | |
150 | die("bad object: %s", name); | |
151 | add_pending_object(&revs, object, ""); | |
152 | } | |
153 | else | |
154 | die("unrecognized argument: %s", name); | |
155 | } | |
629de472 | 156 | mark_reachable_objects(&revs, 1); |
ba84a797 LT |
157 | prune_object_dir(get_object_directory()); |
158 | ||
2eb53e65 BF |
159 | sync(); |
160 | prune_packed_objects(show_only); | |
8464010f | 161 | remove_temporary_files(); |
ba84a797 LT |
162 | return 0; |
163 | } |