You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
175 lines
4.1 KiB
175 lines
4.1 KiB
#include "cache.h" |
|
#include "commit.h" |
|
#include "diff.h" |
|
#include "revision.h" |
|
#include "builtin.h" |
|
#include "reachable.h" |
|
#include "parse-options.h" |
|
#include "progress.h" |
|
#include "dir.h" |
|
|
|
static const char * const prune_usage[] = { |
|
"git prune [-n] [-v] [--expire <time>] [--] [<head>...]", |
|
NULL |
|
}; |
|
static int show_only; |
|
static int verbose; |
|
static unsigned long expire; |
|
static int show_progress = -1; |
|
|
|
static int prune_tmp_object(const char *path, const char *filename) |
|
{ |
|
const char *fullpath = mkpath("%s/%s", path, filename); |
|
struct stat st; |
|
if (lstat(fullpath, &st)) |
|
return error("Could not stat '%s'", fullpath); |
|
if (st.st_mtime > expire) |
|
return 0; |
|
printf("Removing stale temporary file %s\n", fullpath); |
|
if (!show_only) |
|
unlink_or_warn(fullpath); |
|
return 0; |
|
} |
|
|
|
static int prune_object(char *path, const char *filename, const unsigned char *sha1) |
|
{ |
|
const char *fullpath = mkpath("%s/%s", path, filename); |
|
struct stat st; |
|
if (lstat(fullpath, &st)) |
|
return error("Could not stat '%s'", fullpath); |
|
if (st.st_mtime > expire) |
|
return 0; |
|
if (show_only || verbose) { |
|
enum object_type type = sha1_object_info(sha1, NULL); |
|
printf("%s %s\n", sha1_to_hex(sha1), |
|
(type > 0) ? typename(type) : "unknown"); |
|
} |
|
if (!show_only) |
|
unlink_or_warn(fullpath); |
|
return 0; |
|
} |
|
|
|
static int prune_dir(int i, char *path) |
|
{ |
|
DIR *dir = opendir(path); |
|
struct dirent *de; |
|
|
|
if (!dir) |
|
return 0; |
|
|
|
while ((de = readdir(dir)) != NULL) { |
|
char name[100]; |
|
unsigned char sha1[20]; |
|
|
|
if (is_dot_or_dotdot(de->d_name)) |
|
continue; |
|
if (strlen(de->d_name) == 38) { |
|
sprintf(name, "%02x", i); |
|
memcpy(name+2, de->d_name, 39); |
|
if (get_sha1_hex(name, sha1) < 0) |
|
break; |
|
|
|
/* |
|
* Do we know about this object? |
|
* It must have been reachable |
|
*/ |
|
if (lookup_object(sha1)) |
|
continue; |
|
|
|
prune_object(path, de->d_name, sha1); |
|
continue; |
|
} |
|
if (!prefixcmp(de->d_name, "tmp_obj_")) { |
|
prune_tmp_object(path, de->d_name); |
|
continue; |
|
} |
|
fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name); |
|
} |
|
if (!show_only) |
|
rmdir(path); |
|
closedir(dir); |
|
return 0; |
|
} |
|
|
|
static void prune_object_dir(const char *path) |
|
{ |
|
int i; |
|
for (i = 0; i < 256; i++) { |
|
static char dir[4096]; |
|
sprintf(dir, "%s/%02x", path, i); |
|
prune_dir(i, dir); |
|
} |
|
} |
|
|
|
/* |
|
* Write errors (particularly out of space) can result in |
|
* failed temporary packs (and more rarely indexes and other |
|
* files beginning with "tmp_") accumulating in the object |
|
* and the pack directories. |
|
*/ |
|
static void remove_temporary_files(const char *path) |
|
{ |
|
DIR *dir; |
|
struct dirent *de; |
|
|
|
dir = opendir(path); |
|
if (!dir) { |
|
fprintf(stderr, "Unable to open directory %s\n", path); |
|
return; |
|
} |
|
while ((de = readdir(dir)) != NULL) |
|
if (!prefixcmp(de->d_name, "tmp_")) |
|
prune_tmp_object(path, de->d_name); |
|
closedir(dir); |
|
} |
|
|
|
int cmd_prune(int argc, const char **argv, const char *prefix) |
|
{ |
|
struct rev_info revs; |
|
struct progress *progress = NULL; |
|
const struct option options[] = { |
|
OPT__DRY_RUN(&show_only, "do not remove, show only"), |
|
OPT__VERBOSE(&verbose, "report pruned objects"), |
|
OPT_BOOL(0, "progress", &show_progress, "show progress"), |
|
OPT_DATE(0, "expire", &expire, |
|
"expire objects older than <time>"), |
|
OPT_END() |
|
}; |
|
char *s; |
|
|
|
expire = ULONG_MAX; |
|
save_commit_buffer = 0; |
|
read_replace_refs = 0; |
|
init_revisions(&revs, prefix); |
|
|
|
argc = parse_options(argc, argv, prefix, options, prune_usage, 0); |
|
while (argc--) { |
|
unsigned char sha1[20]; |
|
const char *name = *argv++; |
|
|
|
if (!get_sha1(name, sha1)) { |
|
struct object *object = parse_object(sha1); |
|
if (!object) |
|
die("bad object: %s", name); |
|
add_pending_object(&revs, object, ""); |
|
} |
|
else |
|
die("unrecognized argument: %s", name); |
|
} |
|
|
|
if (show_progress == -1) |
|
show_progress = isatty(2); |
|
if (show_progress) |
|
progress = start_progress_delay("Checking connectivity", 0, 0, 2); |
|
|
|
mark_reachable_objects(&revs, 1, progress); |
|
stop_progress(&progress); |
|
prune_object_dir(get_object_directory()); |
|
|
|
prune_packed_objects(show_only); |
|
remove_temporary_files(get_object_directory()); |
|
s = xstrdup(mkpath("%s/pack", get_object_directory())); |
|
remove_temporary_files(s); |
|
free(s); |
|
return 0; |
|
}
|
|
|