if (ref == NULL)
return -1;
- memcpy(sha1, ref->u.value.sha1, 20);
+ hashcpy(sha1, ref->u.value.sha1);
return 0;
}
void *data)
{
struct ref_filter *filter = (struct ref_filter *)data;
- if (fnmatch(filter->pattern, refname, 0))
+ if (wildmatch(filter->pattern, refname, 0, NULL))
return 0;
return filter->fn(refname, sha1, flags, filter->cb_data);
}
if (o->type == OBJ_NONE) {
int type = sha1_object_info(name, NULL);
- if (type < 0)
+ if (type < 0 || !object_as_type(o, type, 0))
return PEEL_INVALID;
- o->type = type;
}
if (o->type != OBJ_TAG)
struct warn_if_dangling_data {
FILE *fp;
const char *refname;
+ const struct string_list *refnames;
const char *msg_fmt;
};
return 0;
resolves_to = resolve_ref_unsafe(refname, junk, 0, NULL);
- if (!resolves_to || strcmp(resolves_to, d->refname))
+ if (!resolves_to
+ || (d->refname
+ ? strcmp(resolves_to, d->refname)
+ : !string_list_has_string(d->refnames, resolves_to))) {
return 0;
+ }
fprintf(d->fp, d->msg_fmt, refname);
fputc('\n', d->fp);
data.fp = fp;
data.refname = refname;
+ data.refnames = NULL;
+ data.msg_fmt = msg_fmt;
+ for_each_rawref(warn_if_dangling_symref, &data);
+}
+
+void warn_dangling_symrefs(FILE *fp, const char *msg_fmt, const struct string_list *refnames)
+{
+ struct warn_if_dangling_data data;
+
+ data.fp = fp;
+ data.refname = NULL;
+ data.refnames = refnames;
data.msg_fmt = msg_fmt;
for_each_rawref(warn_if_dangling_symref, &data);
}
int type, lflags;
int mustexist = (old_sha1 && !is_null_sha1(old_sha1));
int missing = 0;
+ int attempts_remaining = 3;
lock = xcalloc(1, sizeof(struct ref_lock));
lock->lock_fd = -1;
lock->lk = xcalloc(1, sizeof(struct lock_file));
- lflags = LOCK_DIE_ON_ERROR;
+ lflags = 0;
if (flags & REF_NODEREF) {
refname = orig_refname;
lflags |= LOCK_NODEREF;
if ((flags & REF_NODEREF) && (type & REF_ISSYMREF))
lock->force_write = 1;
- if (safe_create_leading_directories(ref_file)) {
+ retry:
+ switch (safe_create_leading_directories(ref_file)) {
+ case SCLD_OK:
+ break; /* success */
+ case SCLD_VANISHED:
+ if (--attempts_remaining > 0)
+ goto retry;
+ /* fall through */
+ default:
last_errno = errno;
error("unable to create directory for %s", ref_file);
goto error_return;
}
lock->lock_fd = hold_lock_file_for_update(lock->lk, ref_file, lflags);
+ if (lock->lock_fd < 0) {
+ if (errno == ENOENT && --attempts_remaining > 0)
+ /*
+ * Maybe somebody just deleted one of the
+ * directories leading to ref_file. Try
+ * again:
+ */
+ goto retry;
+ else
+ unable_to_lock_index_die(ref_file, errno);
+ }
return old_sha1 ? verify_lock(lock, old_sha1, mustexist) : lock;
error_return:
return 0;
}
-static int repack_without_refs(const char **refnames, int n)
+int repack_without_refs(const char **refnames, int n)
{
struct ref_dir *packed;
struct string_list refs_to_delete = STRING_LIST_INIT_DUP;
*/
#define TMP_RENAMED_LOG "logs/refs/.tmp-renamed-log"
+static int rename_tmp_log(const char *newrefname)
+{
+ int attempts_remaining = 4;
+
+ retry:
+ switch (safe_create_leading_directories(git_path("logs/%s", newrefname))) {
+ case SCLD_OK:
+ break; /* success */
+ case SCLD_VANISHED:
+ if (--attempts_remaining > 0)
+ goto retry;
+ /* fall through */
+ default:
+ error("unable to create directory for %s", newrefname);
+ return -1;
+ }
+
+ if (rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", newrefname))) {
+ if ((errno==EISDIR || errno==ENOTDIR) && --attempts_remaining > 0) {
+ /*
+ * rename(a, b) when b is an existing
+ * directory ought to result in ISDIR, but
+ * Solaris 5.8 gives ENOTDIR. Sheesh.
+ */
+ if (remove_empty_directories(git_path("logs/%s", newrefname))) {
+ error("Directory not empty: logs/%s", newrefname);
+ return -1;
+ }
+ goto retry;
+ } else if (errno == ENOENT && --attempts_remaining > 0) {
+ /*
+ * Maybe another process just deleted one of
+ * the directories in the path to newrefname.
+ * Try again from the beginning.
+ */
+ goto retry;
+ } else {
+ error("unable to move logfile "TMP_RENAMED_LOG" to logs/%s: %s",
+ newrefname, strerror(errno));
+ return -1;
+ }
+ }
+ return 0;
+}
+
int rename_ref(const char *oldrefname, const char *newrefname, const char *logmsg)
{
unsigned char sha1[20], orig_sha1[20];
}
}
- if (log && safe_create_leading_directories(git_path("logs/%s", newrefname))) {
- error("unable to create directory for %s", newrefname);
+ if (log && rename_tmp_log(newrefname))
goto rollback;
- }
- retry:
- if (log && rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", newrefname))) {
- if (errno==EISDIR || errno==ENOTDIR) {
- /*
- * rename(a, b) when b is an existing
- * directory ought to result in ISDIR, but
- * Solaris 5.8 gives ENOTDIR. Sheesh.
- */
- if (remove_empty_directories(git_path("logs/%s", newrefname))) {
- error("Directory not empty: logs/%s", newrefname);
- goto rollback;
- }
- goto retry;
- } else {
- error("unable to move logfile "TMP_RENAMED_LOG" to logs/%s: %s",
- newrefname, strerror(errno));
- goto rollback;
- }
- }
logmoved = log;
lock = lock_ref_sha1_basic(newrefname, NULL, 0, NULL);