#include "revision.h"
#include "builtin.h"
#include "reachable.h"
+#include "parse-options.h"
-static const char prune_usage[] = "git-prune [-n] [--grace=time]";
+static const char * const prune_usage[] = {
+ "git-prune [-n] [--expire <time>] [--] [<head>...]",
+ NULL
+};
static int show_only;
-static int prune_grace_period;
+static unsigned long expire;
static int prune_object(char *path, const char *filename, const unsigned char *sha1)
{
- char buf[20];
- const char *type;
-
- if (show_only) {
- if (sha1_object_info(sha1, buf, NULL))
- type = "unknown";
- else
- type = buf;
- printf("%s %s\n", sha1_to_hex(sha1), type);
- return 0;
+ 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;
}
- unlink(mkpath("%s/%s", path, filename));
- rmdir(path);
+ 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(fullpath);
return 0;
}
char name[100];
unsigned char sha1[20];
int len = strlen(de->d_name);
- struct stat st;
switch (len) {
case 2:
if (lookup_object(sha1))
continue;
- if (prune_grace_period > 0 &&
- !stat(mkpath("%s/%s", path, de->d_name), &st) &&
- st.st_mtime > prune_grace_period)
- continue;
-
prune_object(path, de->d_name, sha1);
continue;
}
fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name);
}
+ if (!show_only)
+ rmdir(path);
closedir(dir);
return 0;
}
}
}
-static int git_prune_config(const char *var, const char *value)
+/*
+ * 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 directory.
+ */
+static void remove_temporary_files(void)
{
- if (!strcmp(var, "gc.prunegrace")) {
- if (!strcmp(value, "off"))
- prune_grace_period = 0;
- else
- prune_grace_period = approxidate(value);
- return 0;
+ DIR *dir;
+ struct dirent *de;
+ char* dirname=get_object_directory();
+
+ dir = opendir(dirname);
+ if (!dir) {
+ fprintf(stderr, "Unable to open object directory %s\n",
+ dirname);
+ return;
}
- return git_default_config(var, value);
+ while ((de = readdir(dir)) != NULL) {
+ if (!prefixcmp(de->d_name, "tmp_")) {
+ char name[PATH_MAX];
+ int c = snprintf(name, PATH_MAX, "%s/%s",
+ dirname, de->d_name);
+ if (c < 0 || c >= PATH_MAX)
+ continue;
+ if (expire) {
+ struct stat st;
+ if (stat(name, &st) != 0 || st.st_mtime >= expire)
+ continue;
+ }
+ printf("Removing stale temporary file %s\n", name);
+ if (!show_only)
+ unlink(name);
+ }
+ }
+ closedir(dir);
}
int cmd_prune(int argc, const char **argv, const char *prefix)
{
- int i;
struct rev_info revs;
- prune_grace_period = time(NULL)-24*60*60;
+ 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()
+ };
- git_config(git_prune_config);
+ save_commit_buffer = 0;
+ init_revisions(&revs, prefix);
- for (i = 1; i < argc; i++) {
- const char *arg = argv[i];
- if (!strcmp(arg, "-n")) {
- show_only = 1;
- continue;
- }
- if (!strncmp(arg, "--grace=", 8)) {
- if (!strcmp(arg+8, "off"))
- prune_grace_period = 0;
- else
- prune_grace_period = approxidate(arg+8);
- continue;
+ 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, "");
}
- usage(prune_usage);
+ else
+ die("unrecognized argument: %s", name);
}
-
- save_commit_buffer = 0;
- init_revisions(&revs, prefix);
mark_reachable_objects(&revs, 1);
-
prune_object_dir(get_object_directory());
- sync();
prune_packed_objects(show_only);
+ remove_temporary_files();
return 0;
}