if (de->d_name[0] == '.')
continue;
- if (has_extension(de->d_name, ".lock"))
+ if (ends_with(de->d_name, ".lock"))
continue;
strbuf_addstr(&refname, de->d_name);
refdir = *refs->name
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)
len += copy_msg(logrec + len - 1, msg) - 1;
written = len <= maxlen ? write_in_full(logfd, logrec, len) : -1;
free(logrec);
- if (close(logfd) != 0 || written != len)
- return error("Unable to append to %s", log_file);
+ if (written != len) {
+ int save_errno = errno;
+ close(logfd);
+ error("Unable to append to %s", log_file);
+ errno = save_errno;
+ return -1;
+ }
+ if (close(logfd)) {
+ int save_errno = errno;
+ error("Unable to append to %s", log_file);
+ errno = save_errno;
+ return -1;
+ }
return 0;
}
-static int is_branch(const char *refname)
+int is_branch(const char *refname)
{
return !strcmp(refname, "HEAD") || starts_with(refname, "refs/heads/");
}
+/* This function must return a meaningful errno */
int write_ref_sha1(struct ref_lock *lock,
const unsigned char *sha1, const char *logmsg)
{
static char term = '\n';
struct object *o;
- if (!lock)
+ if (!lock) {
+ errno = EINVAL;
return -1;
+ }
if (!lock->force_write && !hashcmp(lock->old_sha1, sha1)) {
unlock_ref(lock);
return 0;
error("Trying to write ref %s with nonexistent object %s",
lock->ref_name, sha1_to_hex(sha1));
unlock_ref(lock);
+ errno = EINVAL;
return -1;
}
if (o->type != OBJ_COMMIT && is_branch(lock->ref_name)) {
error("Trying to write non-commit object %s to branch %s",
sha1_to_hex(sha1), lock->ref_name);
unlock_ref(lock);
+ errno = EINVAL;
return -1;
}
if (write_in_full(lock->lock_fd, sha1_to_hex(sha1), 40) != 40 ||
- write_in_full(lock->lock_fd, &term, 1) != 1
- || close_ref(lock) < 0) {
+ write_in_full(lock->lock_fd, &term, 1) != 1 ||
+ close_ref(lock) < 0) {
+ int save_errno = errno;
error("Couldn't write %s", lock->lk->filename);
unlock_ref(lock);
+ errno = save_errno;
return -1;
}
clear_loose_ref_cache(&ref_cache);
if (de->d_name[0] == '.')
continue;
- if (has_extension(de->d_name, ".lock"))
+ if (ends_with(de->d_name, ".lock"))
continue;
strbuf_addstr(name, de->d_name);
if (stat(git_path("logs/%s", name->buf), &st) < 0) {
static int update_ref_write(const char *action, const char *refname,
const unsigned char *sha1, struct ref_lock *lock,
- enum action_on_err onerr)
+ struct strbuf *err, enum action_on_err onerr)
{
if (write_ref_sha1(lock, sha1, action) < 0) {
const char *str = "Cannot update the ref '%s'.";
+ if (err)
+ strbuf_addf(err, str, refname);
+
switch (onerr) {
case UPDATE_REFS_MSG_ON_ERR: error(str, refname); break;
case UPDATE_REFS_DIE_ON_ERR: die(str, refname); break;
return update;
}
-void ref_transaction_update(struct ref_transaction *transaction,
- const char *refname,
- const unsigned char *new_sha1,
- const unsigned char *old_sha1,
- int flags, int have_old)
+int ref_transaction_update(struct ref_transaction *transaction,
+ const char *refname,
+ const unsigned char *new_sha1,
+ const unsigned char *old_sha1,
+ int flags, int have_old,
+ struct strbuf *err)
{
- struct ref_update *update = add_update(transaction, refname);
+ struct ref_update *update;
+ if (have_old && !old_sha1)
+ die("BUG: have_old is true but old_sha1 is NULL");
+
+ update = add_update(transaction, refname);
hashcpy(update->new_sha1, new_sha1);
update->flags = flags;
update->have_old = have_old;
if (have_old)
hashcpy(update->old_sha1, old_sha1);
+ return 0;
}
void ref_transaction_create(struct ref_transaction *transaction,
lock = update_ref_lock(refname, oldval, flags, NULL, onerr);
if (!lock)
return 1;
- return update_ref_write(action, refname, sha1, lock, onerr);
+ return update_ref_write(action, refname, sha1, lock, NULL, onerr);
}
static int ref_update_compare(const void *r1, const void *r2)
}
static int ref_update_reject_duplicates(struct ref_update **updates, int n,
- enum action_on_err onerr)
+ struct strbuf *err)
{
int i;
for (i = 1; i < n; i++)
if (!strcmp(updates[i - 1]->refname, updates[i]->refname)) {
const char *str =
"Multiple updates for ref '%s' not allowed.";
- switch (onerr) {
- case UPDATE_REFS_MSG_ON_ERR:
- error(str, updates[i]->refname); break;
- case UPDATE_REFS_DIE_ON_ERR:
- die(str, updates[i]->refname); break;
- case UPDATE_REFS_QUIET_ON_ERR:
- break;
- }
+ if (err)
+ strbuf_addf(err, str, updates[i]->refname);
+
return 1;
}
return 0;
}
int ref_transaction_commit(struct ref_transaction *transaction,
- const char *msg, struct strbuf *err,
- enum action_on_err onerr)
+ const char *msg, struct strbuf *err)
{
int ret = 0, delnum = 0, i;
const char **delnames;
/* Copy, sort, and reject duplicate refs */
qsort(updates, n, sizeof(*updates), ref_update_compare);
- ret = ref_update_reject_duplicates(updates, n, onerr);
+ ret = ref_update_reject_duplicates(updates, n, err);
if (ret)
goto cleanup;
(update->have_old ?
update->old_sha1 : NULL),
update->flags,
- &update->type, onerr);
+ &update->type,
+ UPDATE_REFS_QUIET_ON_ERR);
if (!update->lock) {
if (err)
strbuf_addf(err, "Cannot lock the ref '%s'.",
ret = update_ref_write(msg,
update->refname,
update->new_sha1,
- update->lock, onerr);
+ update->lock, err,
+ UPDATE_REFS_QUIET_ON_ERR);
update->lock = NULL; /* freed by update_ref_write */
if (ret)
goto cleanup;