7 #include "parse-options.h"
11 static const char * const prune_usage
[] = {
12 "git prune [-n] [-v] [--expire <time>] [--] [<head>...]",
17 static unsigned long expire
;
18 static int show_progress
= -1;
20 static int prune_tmp_object(const char *path
, const char *filename
)
22 const char *fullpath
= mkpath("%s/%s", path
, filename
);
24 if (lstat(fullpath
, &st
))
25 return error("Could not stat '%s'", fullpath
);
26 if (st
.st_mtime
> expire
)
28 printf("Removing stale temporary file %s\n", fullpath
);
30 unlink_or_warn(fullpath
);
34 static int prune_object(char *path
, const char *filename
, const unsigned char *sha1
)
36 const char *fullpath
= mkpath("%s/%s", path
, filename
);
38 if (lstat(fullpath
, &st
))
39 return error("Could not stat '%s'", fullpath
);
40 if (st
.st_mtime
> expire
)
42 if (show_only
|| verbose
) {
43 enum object_type type
= sha1_object_info(sha1
, NULL
);
44 printf("%s %s\n", sha1_to_hex(sha1
),
45 (type
> 0) ? typename(type
) : "unknown");
48 unlink_or_warn(fullpath
);
52 static int prune_dir(int i
, char *path
)
54 DIR *dir
= opendir(path
);
60 while ((de
= readdir(dir
)) != NULL
) {
62 unsigned char sha1
[20];
64 if (is_dot_or_dotdot(de
->d_name
))
66 if (strlen(de
->d_name
) == 38) {
67 sprintf(name
, "%02x", i
);
68 memcpy(name
+2, de
->d_name
, 39);
69 if (get_sha1_hex(name
, sha1
) < 0)
73 * Do we know about this object?
74 * It must have been reachable
76 if (lookup_object(sha1
))
79 prune_object(path
, de
->d_name
, sha1
);
82 if (!prefixcmp(de
->d_name
, "tmp_obj_")) {
83 prune_tmp_object(path
, de
->d_name
);
86 fprintf(stderr
, "bad sha1 file: %s/%s\n", path
, de
->d_name
);
94 static void prune_object_dir(const char *path
)
97 for (i
= 0; i
< 256; i
++) {
98 static char dir
[4096];
99 sprintf(dir
, "%s/%02x", path
, i
);
105 * Write errors (particularly out of space) can result in
106 * failed temporary packs (and more rarely indexes and other
107 * files beginning with "tmp_") accumulating in the object
108 * and the pack directories.
110 static void remove_temporary_files(const char *path
)
117 fprintf(stderr
, "Unable to open directory %s\n", path
);
120 while ((de
= readdir(dir
)) != NULL
)
121 if (!prefixcmp(de
->d_name
, "tmp_"))
122 prune_tmp_object(path
, de
->d_name
);
126 int cmd_prune(int argc
, const char **argv
, const char *prefix
)
128 struct rev_info revs
;
129 struct progress
*progress
= NULL
;
130 const struct option options
[] = {
131 OPT__DRY_RUN(&show_only
, "do not remove, show only"),
132 OPT__VERBOSE(&verbose
, "report pruned objects"),
133 OPT_BOOL(0, "progress", &show_progress
, "show progress"),
134 OPT_DATE(0, "expire", &expire
,
135 "expire objects older than <time>"),
141 save_commit_buffer
= 0;
142 read_replace_refs
= 0;
143 init_revisions(&revs
, prefix
);
145 argc
= parse_options(argc
, argv
, prefix
, options
, prune_usage
, 0);
147 unsigned char sha1
[20];
148 const char *name
= *argv
++;
150 if (!get_sha1(name
, sha1
)) {
151 struct object
*object
= parse_object(sha1
);
153 die("bad object: %s", name
);
154 add_pending_object(&revs
, object
, "");
157 die("unrecognized argument: %s", name
);
160 if (show_progress
== -1)
161 show_progress
= isatty(2);
163 progress
= start_progress_delay("Checking connectivity", 0, 0, 2);
165 mark_reachable_objects(&revs
, 1, progress
);
166 stop_progress(&progress
);
167 prune_object_dir(get_object_directory());
169 prune_packed_objects(show_only
);
170 remove_temporary_files(get_object_directory());
171 s
= xstrdup(mkpath("%s/pack", get_object_directory()));
172 remove_temporary_files(s
);