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df0b6cfb NTND |
1 | #include "cache.h" |
2 | #include "builtin.h" | |
3 | #include "dir.h" | |
4 | #include "parse-options.h" | |
5 | ||
6 | static const char * const worktree_usage[] = { | |
7 | N_("git worktree prune [<options>]"), | |
8 | NULL | |
9 | }; | |
10 | ||
11 | static int show_only; | |
12 | static int verbose; | |
13 | static unsigned long expire; | |
14 | ||
15 | static int prune_worktree(const char *id, struct strbuf *reason) | |
16 | { | |
17 | struct stat st; | |
18 | char *path; | |
19 | int fd, len; | |
20 | ||
21 | if (!is_directory(git_path("worktrees/%s", id))) { | |
22 | strbuf_addf(reason, _("Removing worktrees/%s: not a valid directory"), id); | |
23 | return 1; | |
24 | } | |
25 | if (file_exists(git_path("worktrees/%s/locked", id))) | |
26 | return 0; | |
27 | if (stat(git_path("worktrees/%s/gitdir", id), &st)) { | |
28 | strbuf_addf(reason, _("Removing worktrees/%s: gitdir file does not exist"), id); | |
29 | return 1; | |
30 | } | |
31 | fd = open(git_path("worktrees/%s/gitdir", id), O_RDONLY); | |
32 | if (fd < 0) { | |
33 | strbuf_addf(reason, _("Removing worktrees/%s: unable to read gitdir file (%s)"), | |
34 | id, strerror(errno)); | |
35 | return 1; | |
36 | } | |
37 | len = st.st_size; | |
38 | path = xmalloc(len + 1); | |
39 | read_in_full(fd, path, len); | |
40 | close(fd); | |
41 | while (len && (path[len - 1] == '\n' || path[len - 1] == '\r')) | |
42 | len--; | |
43 | if (!len) { | |
44 | strbuf_addf(reason, _("Removing worktrees/%s: invalid gitdir file"), id); | |
45 | free(path); | |
46 | return 1; | |
47 | } | |
48 | path[len] = '\0'; | |
49 | if (!file_exists(path)) { | |
50 | struct stat st_link; | |
51 | free(path); | |
52 | /* | |
53 | * the repo is moved manually and has not been | |
54 | * accessed since? | |
55 | */ | |
56 | if (!stat(git_path("worktrees/%s/link", id), &st_link) && | |
57 | st_link.st_nlink > 1) | |
58 | return 0; | |
59 | if (st.st_mtime <= expire) { | |
60 | strbuf_addf(reason, _("Removing worktrees/%s: gitdir file points to non-existent location"), id); | |
61 | return 1; | |
62 | } else { | |
63 | return 0; | |
64 | } | |
65 | } | |
66 | free(path); | |
67 | return 0; | |
68 | } | |
69 | ||
70 | static void prune_worktrees(void) | |
71 | { | |
72 | struct strbuf reason = STRBUF_INIT; | |
73 | struct strbuf path = STRBUF_INIT; | |
74 | DIR *dir = opendir(git_path("worktrees")); | |
75 | struct dirent *d; | |
76 | int ret; | |
77 | if (!dir) | |
78 | return; | |
79 | while ((d = readdir(dir)) != NULL) { | |
80 | if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, "..")) | |
81 | continue; | |
82 | strbuf_reset(&reason); | |
83 | if (!prune_worktree(d->d_name, &reason)) | |
84 | continue; | |
85 | if (show_only || verbose) | |
86 | printf("%s\n", reason.buf); | |
87 | if (show_only) | |
88 | continue; | |
89 | strbuf_reset(&path); | |
90 | strbuf_addstr(&path, git_path("worktrees/%s", d->d_name)); | |
91 | ret = remove_dir_recursively(&path, 0); | |
92 | if (ret < 0 && errno == ENOTDIR) | |
93 | ret = unlink(path.buf); | |
94 | if (ret) | |
95 | error(_("failed to remove: %s"), strerror(errno)); | |
96 | } | |
97 | closedir(dir); | |
98 | if (!show_only) | |
99 | rmdir(git_path("worktrees")); | |
100 | strbuf_release(&reason); | |
101 | strbuf_release(&path); | |
102 | } | |
103 | ||
104 | static int prune(int ac, const char **av, const char *prefix) | |
105 | { | |
106 | struct option options[] = { | |
107 | OPT__DRY_RUN(&show_only, N_("do not remove, show only")), | |
108 | OPT__VERBOSE(&verbose, N_("report pruned objects")), | |
109 | OPT_EXPIRY_DATE(0, "expire", &expire, | |
110 | N_("expire objects older than <time>")), | |
111 | OPT_END() | |
112 | }; | |
113 | ||
114 | expire = ULONG_MAX; | |
115 | ac = parse_options(ac, av, prefix, options, worktree_usage, 0); | |
116 | if (ac) | |
117 | usage_with_options(worktree_usage, options); | |
118 | prune_worktrees(); | |
119 | return 0; | |
120 | } | |
121 | ||
122 | int cmd_worktree(int ac, const char **av, const char *prefix) | |
123 | { | |
124 | struct option options[] = { | |
125 | OPT_END() | |
126 | }; | |
127 | ||
128 | if (ac < 2) | |
129 | usage_with_options(worktree_usage, options); | |
130 | if (!strcmp(av[1], "prune")) | |
131 | return prune(ac - 1, av + 1, prefix); | |
132 | usage_with_options(worktree_usage, options); | |
133 | } |