7 #include "parse-options.h"
11 static const char * const prune_usage
[] = {
12 N_("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 if (show_only
|| verbose
)
29 printf("Removing stale temporary file %s\n", fullpath
);
31 unlink_or_warn(fullpath
);
35 static int prune_object(char *path
, const char *filename
, const unsigned char *sha1
)
37 const char *fullpath
= mkpath("%s/%s", path
, filename
);
39 if (lstat(fullpath
, &st
))
40 return error("Could not stat '%s'", fullpath
);
41 if (st
.st_mtime
> expire
)
43 if (show_only
|| verbose
) {
44 enum object_type type
= sha1_object_info(sha1
, NULL
);
45 printf("%s %s\n", sha1_to_hex(sha1
),
46 (type
> 0) ? typename(type
) : "unknown");
49 unlink_or_warn(fullpath
);
53 static int prune_dir(int i
, char *path
)
55 DIR *dir
= opendir(path
);
61 while ((de
= readdir(dir
)) != NULL
) {
63 unsigned char sha1
[20];
65 if (is_dot_or_dotdot(de
->d_name
))
67 if (strlen(de
->d_name
) == 38) {
68 sprintf(name
, "%02x", i
);
69 memcpy(name
+2, de
->d_name
, 39);
70 if (get_sha1_hex(name
, sha1
) < 0)
74 * Do we know about this object?
75 * It must have been reachable
77 if (lookup_object(sha1
))
80 prune_object(path
, de
->d_name
, sha1
);
83 if (!prefixcmp(de
->d_name
, "tmp_obj_")) {
84 prune_tmp_object(path
, de
->d_name
);
87 fprintf(stderr
, "bad sha1 file: %s/%s\n", path
, de
->d_name
);
95 static void prune_object_dir(const char *path
)
98 for (i
= 0; i
< 256; i
++) {
99 static char dir
[4096];
100 sprintf(dir
, "%s/%02x", path
, i
);
106 * Write errors (particularly out of space) can result in
107 * failed temporary packs (and more rarely indexes and other
108 * files beginning with "tmp_") accumulating in the object
109 * and the pack directories.
111 static void remove_temporary_files(const char *path
)
118 fprintf(stderr
, "Unable to open directory %s\n", path
);
121 while ((de
= readdir(dir
)) != NULL
)
122 if (!prefixcmp(de
->d_name
, "tmp_"))
123 prune_tmp_object(path
, de
->d_name
);
127 int cmd_prune(int argc
, const char **argv
, const char *prefix
)
129 struct rev_info revs
;
130 struct progress
*progress
= NULL
;
131 const struct option options
[] = {
132 OPT__DRY_RUN(&show_only
, N_("do not remove, show only")),
133 OPT__VERBOSE(&verbose
, N_("report pruned objects")),
134 OPT_BOOL(0, "progress", &show_progress
, N_("show progress")),
135 OPT_EXPIRY_DATE(0, "expire", &expire
,
136 N_("expire objects older than <time>")),
142 save_commit_buffer
= 0;
143 read_replace_refs
= 0;
144 init_revisions(&revs
, prefix
);
146 argc
= parse_options(argc
, argv
, prefix
, options
, prune_usage
, 0);
148 unsigned char sha1
[20];
149 const char *name
= *argv
++;
151 if (!get_sha1(name
, sha1
)) {
152 struct object
*object
= parse_object_or_die(sha1
, name
);
153 add_pending_object(&revs
, object
, "");
156 die("unrecognized argument: %s", name
);
159 if (show_progress
== -1)
160 show_progress
= isatty(2);
162 progress
= start_progress_delay("Checking connectivity", 0, 0, 2);
164 mark_reachable_objects(&revs
, 1, progress
);
165 stop_progress(&progress
);
166 prune_object_dir(get_object_directory());
168 prune_packed_objects(show_only
? PRUNE_PACKED_DRY_RUN
: 0);
169 remove_temporary_files(get_object_directory());
170 s
= mkpathdup("%s/pack", get_object_directory());
171 remove_temporary_files(s
);