static const char reflog_expire_usage[] =
"git-reflog (show|expire) [--verbose] [--dry-run] [--stale-fix] [--expire=<time>] [--expire-unreachable=<time>] [--all] <refs>...";
+static const char reflog_delete_usage[] =
+"git-reflog delete [--verbose] [--dry-run] [--rewrite] [--updateref] <refs>...";
static unsigned long default_reflog_expire;
static unsigned long default_reflog_expire_unreachable;
struct rev_info revs;
int dry_run;
int stalefix;
+ int rewrite;
+ int updateref;
int verbose;
unsigned long expire_total;
unsigned long expire_unreachable;
const char *ref;
struct commit *ref_commit;
struct cmd_reflog_expire_cb *cmd;
+ unsigned char last_kept_sha1[20];
+};
+
+struct collected_reflog {
+ unsigned char sha1[20];
+ char reflog[FLEX_ARRAY];
+};
+struct collect_reflog_cb {
+ struct collected_reflog **e;
+ int alloc;
+ int nr;
};
#define INCOMPLETE (1u<<10)
if (timestamp < cb->cmd->expire_total)
goto prune;
+ if (cb->cmd->rewrite)
+ osha1 = cb->last_kept_sha1;
+
old = new = NULL;
if (cb->cmd->stalefix &&
(!keep_entry(&old, osha1) || !keep_entry(&new, nsha1)))
sha1_to_hex(osha1), sha1_to_hex(nsha1),
email, timestamp, sign, zone,
message);
+ hashcpy(cb->last_kept_sha1, nsha1);
}
if (cb->cmd->verbose)
printf("keep %s", message);
for_each_reflog_ent(ref, expire_reflog_ent, &cb);
finish:
if (cb.newlog) {
- if (fclose(cb.newlog))
+ if (fclose(cb.newlog)) {
status |= error("%s: %s", strerror(errno),
newlog_path);
- if (rename(newlog_path, log_file)) {
+ unlink(newlog_path);
+ } else if (cmd->updateref &&
+ (write_in_full(lock->lock_fd,
+ sha1_to_hex(cb.last_kept_sha1), 40) != 40 ||
+ write_in_full(lock->lock_fd, "\n", 1) != 1 ||
+ close_ref(lock) < 0)) {
+ status |= error("Couldn't write %s",
+ lock->lk->filename);
+ unlink(newlog_path);
+ } else if (rename(newlog_path, log_file)) {
status |= error("cannot rename %s to %s",
newlog_path, log_file);
unlink(newlog_path);
+ } else if (cmd->updateref && commit_ref(lock)) {
+ status |= error("Couldn't set %s", lock->ref_name);
}
}
free(newlog_path);
return status;
}
+static int collect_reflog(const char *ref, const unsigned char *sha1, int unused, void *cb_data)
+{
+ struct collected_reflog *e;
+ struct collect_reflog_cb *cb = cb_data;
+ size_t namelen = strlen(ref);
+
+ e = xmalloc(sizeof(*e) + namelen + 1);
+ hashcpy(e->sha1, sha1);
+ memcpy(e->reflog, ref, namelen + 1);
+ ALLOC_GROW(cb->e, cb->nr + 1, cb->alloc);
+ cb->e[cb->nr++] = e;
+ return 0;
+}
+
static int reflog_expire_config(const char *var, const char *value)
{
- if (!strcmp(var, "gc.reflogexpire"))
+ if (!strcmp(var, "gc.reflogexpire")) {
+ if (!value)
+ config_error_nonbool(var);
default_reflog_expire = approxidate(value);
- else if (!strcmp(var, "gc.reflogexpireunreachable"))
+ return 0;
+ }
+ if (!strcmp(var, "gc.reflogexpireunreachable")) {
+ if (!value)
+ config_error_nonbool(var);
default_reflog_expire_unreachable = approxidate(value);
- else
- return git_default_config(var, value);
- return 0;
+ return 0;
+ }
+ return git_default_config(var, value);
}
static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
cb.expire_unreachable = approxidate(arg + 21);
else if (!strcmp(arg, "--stale-fix"))
cb.stalefix = 1;
+ else if (!strcmp(arg, "--rewrite"))
+ cb.rewrite = 1;
+ else if (!strcmp(arg, "--updateref"))
+ cb.updateref = 1;
else if (!strcmp(arg, "--all"))
do_all = 1;
else if (!strcmp(arg, "--verbose"))
putchar('\n');
}
- if (do_all)
- status |= for_each_reflog(expire_reflog, &cb);
+ if (do_all) {
+ struct collect_reflog_cb collected;
+ int i;
+
+ memset(&collected, 0, sizeof(collected));
+ for_each_reflog(collect_reflog, &collected);
+ for (i = 0; i < collected.nr; i++) {
+ struct collected_reflog *e = collected.e[i];
+ status |= expire_reflog(e->reflog, e->sha1, 0, &cb);
+ free(e);
+ }
+ free(collected.e);
+ }
+
while (i < argc) {
const char *ref = argv[i++];
unsigned char sha1[20];
struct cmd_reflog_expire_cb cb;
int i, status = 0;
- if (argc < 2)
- return error("Nothing to delete?");
-
memset(&cb, 0, sizeof(cb));
for (i = 1; i < argc; i++) {
+ const char *arg = argv[i];
+ if (!strcmp(arg, "--dry-run") || !strcmp(arg, "-n"))
+ cb.dry_run = 1;
+ else if (!strcmp(arg, "--rewrite"))
+ cb.rewrite = 1;
+ else if (!strcmp(arg, "--updateref"))
+ cb.updateref = 1;
+ else if (!strcmp(arg, "--verbose"))
+ cb.verbose = 1;
+ else if (!strcmp(arg, "--")) {
+ i++;
+ break;
+ }
+ else if (arg[0] == '-')
+ usage(reflog_delete_usage);
+ else
+ break;
+ }
+
+ if (argc - i < 1)
+ return error("Nothing to delete?");
+
+ for ( ; i < argc; i++) {
const char *spec = strstr(argv[i], "@{");
unsigned char sha1[20];
char *ep, *ref;