#include "revision.h"
#include "builtin.h"
#include "reachable.h"
+#include "parse-options.h"
-static const char prune_usage[] = "git-prune [-n]";
+static const char * const prune_usage[] = {
+ "git prune [-n] [--expire <time>] [--] [<head>...]",
+ NULL
+};
static int show_only;
+static unsigned long expire;
+
+static int prune_tmp_object(const char *path, const char *filename)
+{
+ const char *fullpath = mkpath("%s/%s", path, filename);
+ if (expire) {
+ 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(fullpath);
+ return 0;
+}
static int prune_object(char *path, const char *filename, const unsigned char *sha1)
{
+ const char *fullpath = mkpath("%s/%s", path, filename);
+ if (expire) {
+ struct stat st;
+ if (lstat(fullpath, &st))
+ return error("Could not stat '%s'", fullpath);
+ if (st.st_mtime > expire)
+ return 0;
+ }
if (show_only) {
enum object_type type = sha1_object_info(sha1, NULL);
printf("%s %s\n", sha1_to_hex(sha1),
(type > 0) ? typename(type) : "unknown");
} else
- unlink(mkpath("%s/%s", path, filename));
+ unlink(fullpath);
return 0;
}
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)
}
}
-int cmd_prune(int argc, const char **argv, const char *prefix)
+/*
+ * Write errors (particularly out of space) can result in
+ * failed temporary packs (and more rarely indexes and other
+ * files begining with "tmp_") accumulating in the object
+ * and the pack directories.
+ */
+static void remove_temporary_files(const char *path)
{
- int i;
- struct rev_info revs;
+ DIR *dir;
+ struct dirent *de;
- for (i = 1; i < argc; i++) {
- const char *arg = argv[i];
- if (!strcmp(arg, "-n")) {
- show_only = 1;
- continue;
- }
- usage(prune_usage);
+ 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;
+ const struct option options[] = {
+ OPT_BOOLEAN('n', NULL, &show_only,
+ "do not remove, show only"),
+ OPT_DATE(0, "expire", &expire,
+ "expire objects older than <time>"),
+ OPT_END()
+ };
+ char *s;
save_commit_buffer = 0;
init_revisions(&revs, prefix);
- mark_reachable_objects(&revs, 1);
+ argc = parse_options(argc, argv, 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);
+ }
+ mark_reachable_objects(&revs, 1);
prune_object_dir(get_object_directory());
- sync();
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;
}