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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" |
ba84a797 | 7 | |
026aa938 | 8 | static const char prune_usage[] = "git-prune [-n]"; |
96f1e58f | 9 | static int show_only; |
ba84a797 LT |
10 | |
11 | static int prune_object(char *path, const char *filename, const unsigned char *sha1) | |
12 | { | |
21f88ac8 AP |
13 | char buf[20]; |
14 | const char *type; | |
15 | ||
ba84a797 | 16 | if (show_only) { |
ac1471b3 | 17 | if (sha1_object_info(sha1, buf, NULL)) |
21f88ac8 | 18 | type = "unknown"; |
ac1471b3 JH |
19 | else |
20 | type = buf; | |
21 | printf("%s %s\n", sha1_to_hex(sha1), type); | |
ba84a797 LT |
22 | return 0; |
23 | } | |
24 | unlink(mkpath("%s/%s", path, filename)); | |
25 | rmdir(path); | |
26 | return 0; | |
27 | } | |
28 | ||
29 | static int prune_dir(int i, char *path) | |
30 | { | |
31 | DIR *dir = opendir(path); | |
32 | struct dirent *de; | |
33 | ||
34 | if (!dir) | |
35 | return 0; | |
36 | ||
37 | while ((de = readdir(dir)) != NULL) { | |
38 | char name[100]; | |
39 | unsigned char sha1[20]; | |
40 | int len = strlen(de->d_name); | |
41 | ||
42 | switch (len) { | |
43 | case 2: | |
44 | if (de->d_name[1] != '.') | |
45 | break; | |
46 | case 1: | |
47 | if (de->d_name[0] != '.') | |
48 | break; | |
49 | continue; | |
50 | case 38: | |
51 | sprintf(name, "%02x", i); | |
52 | memcpy(name+2, de->d_name, len+1); | |
53 | if (get_sha1_hex(name, sha1) < 0) | |
54 | break; | |
55 | ||
56 | /* | |
57 | * Do we know about this object? | |
58 | * It must have been reachable | |
59 | */ | |
60 | if (lookup_object(sha1)) | |
61 | continue; | |
62 | ||
63 | prune_object(path, de->d_name, sha1); | |
64 | continue; | |
65 | } | |
66 | fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name); | |
67 | } | |
68 | closedir(dir); | |
69 | return 0; | |
70 | } | |
71 | ||
72 | static void prune_object_dir(const char *path) | |
73 | { | |
74 | int i; | |
75 | for (i = 0; i < 256; i++) { | |
76 | static char dir[4096]; | |
77 | sprintf(dir, "%s/%02x", path, i); | |
78 | prune_dir(i, dir); | |
79 | } | |
80 | } | |
81 | ||
a633fca0 | 82 | int cmd_prune(int argc, const char **argv, const char *prefix) |
ba84a797 LT |
83 | { |
84 | int i; | |
24304816 | 85 | struct rev_info revs; |
ba84a797 LT |
86 | |
87 | for (i = 1; i < argc; i++) { | |
88 | const char *arg = argv[i]; | |
89 | if (!strcmp(arg, "-n")) { | |
90 | show_only = 1; | |
91 | continue; | |
92 | } | |
93 | usage(prune_usage); | |
94 | } | |
95 | ||
16157b80 | 96 | save_commit_buffer = 0; |
a633fca0 | 97 | init_revisions(&revs, prefix); |
94421474 | 98 | mark_reachable_objects(&revs, 1); |
ba84a797 LT |
99 | |
100 | prune_object_dir(get_object_directory()); | |
101 | ||
2eb53e65 BF |
102 | sync(); |
103 | prune_packed_objects(show_only); | |
ba84a797 LT |
104 | return 0; |
105 | } |