2006-07-06 21:16:22 +04:00
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#include "cache.h"
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#include "commit.h"
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#include "diff.h"
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#include "revision.h"
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#include "builtin.h"
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2007-01-06 13:16:17 +03:00
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#include "reachable.h"
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2008-03-23 23:50:29 +03:00
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#include "parse-options.h"
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2011-11-05 16:00:08 +04:00
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#include "progress.h"
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2009-01-10 15:07:50 +03:00
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#include "dir.h"
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2006-07-06 21:16:22 +04:00
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2008-03-23 23:50:29 +03:00
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static const char * const prune_usage[] = {
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2012-08-20 16:32:32 +04:00
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N_("git prune [-n] [-v] [--expire <time>] [--] [<head>...]"),
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2008-03-23 23:50:29 +03:00
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NULL
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};
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2006-08-15 21:23:48 +04:00
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static int show_only;
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2008-09-29 20:49:52 +04:00
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static int verbose;
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2007-11-29 23:59:55 +03:00
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static unsigned long expire;
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2011-11-08 09:34:08 +04:00
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static int show_progress = -1;
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2006-07-06 21:16:22 +04:00
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2008-09-23 03:34:26 +04:00
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static int prune_tmp_object(const char *path, const char *filename)
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2008-07-25 02:41:12 +04:00
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{
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const char *fullpath = mkpath("%s/%s", path, filename);
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2010-02-27 06:50:02 +03:00
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struct stat st;
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if (lstat(fullpath, &st))
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return error("Could not stat '%s'", fullpath);
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if (st.st_mtime > expire)
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return 0;
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2012-08-07 09:01:49 +04:00
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if (show_only || verbose)
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printf("Removing stale temporary file %s\n", fullpath);
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2008-07-25 02:41:12 +04:00
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if (!show_only)
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2009-04-30 01:22:56 +04:00
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unlink_or_warn(fullpath);
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2008-07-25 02:41:12 +04:00
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return 0;
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}
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2006-07-06 21:16:22 +04:00
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static int prune_object(char *path, const char *filename, const unsigned char *sha1)
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{
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const char *fullpath = mkpath("%s/%s", path, filename);
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struct stat st;
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if (lstat(fullpath, &st))
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return error("Could not stat '%s'", fullpath);
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if (st.st_mtime > expire)
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return 0;
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2008-09-29 20:49:52 +04:00
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if (show_only || verbose) {
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2007-02-26 22:55:59 +03:00
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enum object_type type = sha1_object_info(sha1, NULL);
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printf("%s %s\n", sha1_to_hex(sha1),
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(type > 0) ? typename(type) : "unknown");
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2008-09-29 20:49:52 +04:00
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}
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if (!show_only)
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2009-04-30 01:22:56 +04:00
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unlink_or_warn(fullpath);
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2006-07-06 21:16:22 +04:00
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return 0;
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}
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static int prune_dir(int i, char *path)
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{
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DIR *dir = opendir(path);
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struct dirent *de;
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if (!dir)
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return 0;
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while ((de = readdir(dir)) != NULL) {
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char name[100];
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unsigned char sha1[20];
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2009-01-10 15:07:50 +03:00
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if (is_dot_or_dotdot(de->d_name))
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2006-07-06 21:16:22 +04:00
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continue;
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if (strlen(de->d_name) == 38) {
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2006-07-06 21:16:22 +04:00
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sprintf(name, "%02x", i);
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memcpy(name+2, de->d_name, 39);
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if (get_sha1_hex(name, sha1) < 0)
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break;
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/*
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* Do we know about this object?
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* It must have been reachable
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*/
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if (lookup_object(sha1))
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continue;
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prune_object(path, de->d_name, sha1);
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continue;
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}
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2008-08-05 22:01:50 +04:00
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if (!prefixcmp(de->d_name, "tmp_obj_")) {
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prune_tmp_object(path, de->d_name);
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continue;
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}
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2006-07-06 21:16:22 +04:00
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fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name);
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}
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2012-03-06 13:18:41 +04:00
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closedir(dir);
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2007-03-21 06:32:13 +03:00
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if (!show_only)
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rmdir(path);
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2006-07-06 21:16:22 +04:00
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return 0;
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}
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static void prune_object_dir(const char *path)
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{
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int i;
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for (i = 0; i < 256; i++) {
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static char dir[4096];
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sprintf(dir, "%s/%02x", path, i);
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prune_dir(i, dir);
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}
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}
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2008-02-07 05:55:14 +03:00
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/*
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* Write errors (particularly out of space) can result in
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* failed temporary packs (and more rarely indexes and other
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2010-02-04 08:23:18 +03:00
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* files beginning with "tmp_") accumulating in the object
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2008-09-23 03:34:26 +04:00
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* and the pack directories.
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2008-02-07 05:55:14 +03:00
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*/
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static void remove_temporary_files(const char *path)
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{
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DIR *dir;
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struct dirent *de;
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2008-09-23 03:34:26 +04:00
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dir = opendir(path);
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2008-02-07 05:55:14 +03:00
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if (!dir) {
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fprintf(stderr, "Unable to open directory %s\n", path);
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2008-02-07 05:55:14 +03:00
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return;
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}
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2008-07-25 02:41:12 +04:00
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while ((de = readdir(dir)) != NULL)
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if (!prefixcmp(de->d_name, "tmp_"))
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2008-09-23 03:34:26 +04:00
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prune_tmp_object(path, de->d_name);
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2008-02-07 05:55:14 +03:00
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closedir(dir);
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}
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2006-07-29 09:44:25 +04:00
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int cmd_prune(int argc, const char **argv, const char *prefix)
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2006-07-06 21:16:22 +04:00
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{
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2007-01-06 13:16:10 +03:00
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struct rev_info revs;
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2011-11-08 09:34:08 +04:00
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struct progress *progress = NULL;
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2008-03-23 23:50:29 +03:00
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const struct option options[] = {
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2012-08-20 16:32:32 +04:00
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OPT__DRY_RUN(&show_only, N_("do not remove, show only")),
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OPT__VERBOSE(&verbose, N_("report pruned objects")),
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OPT_BOOL(0, "progress", &show_progress, N_("show progress")),
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2008-03-23 23:50:29 +03:00
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OPT_DATE(0, "expire", &expire,
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N_("expire objects older than <time>")),
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2008-03-23 23:50:29 +03:00
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OPT_END()
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};
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2008-09-23 03:34:26 +04:00
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char *s;
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2006-07-06 21:16:22 +04:00
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2010-02-27 06:50:02 +03:00
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expire = ULONG_MAX;
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2007-01-06 00:31:43 +03:00
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save_commit_buffer = 0;
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2009-01-23 12:07:46 +03:00
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read_replace_refs = 0;
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2006-07-29 09:44:25 +04:00
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init_revisions(&revs, prefix);
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2006-07-06 21:16:22 +04:00
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2009-05-23 22:53:12 +04:00
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argc = parse_options(argc, argv, prefix, options, prune_usage, 0);
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2008-03-25 09:20:51 +03:00
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while (argc--) {
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unsigned char sha1[20];
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const char *name = *argv++;
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if (!get_sha1(name, sha1)) {
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struct object *object = parse_object(sha1);
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if (!object)
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die("bad object: %s", name);
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add_pending_object(&revs, object, "");
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}
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else
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die("unrecognized argument: %s", name);
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}
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2011-11-08 09:34:08 +04:00
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if (show_progress == -1)
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show_progress = isatty(2);
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if (show_progress)
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progress = start_progress_delay("Checking connectivity", 0, 0, 2);
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2011-11-05 16:00:08 +04:00
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mark_reachable_objects(&revs, 1, progress);
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stop_progress(&progress);
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2006-07-06 21:16:22 +04:00
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prune_object_dir(get_object_directory());
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2006-10-23 03:01:23 +04:00
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prune_packed_objects(show_only);
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2008-09-23 03:34:26 +04:00
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remove_temporary_files(get_object_directory());
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2012-09-04 21:31:14 +04:00
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s = mkpathdup("%s/pack", get_object_directory());
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2008-09-23 03:34:26 +04:00
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remove_temporary_files(s);
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free(s);
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2006-07-06 21:16:22 +04:00
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return 0;
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}
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