if (peel_entry(entry, 0))
return -1;
- hashcpy(peeled->hash, entry->u.value.peeled.hash);
+ oidcpy(peeled, &entry->u.value.peeled);
return 0;
}
return 0;
}
+enum {
+ REMOVE_EMPTY_PARENTS_REF = 0x01,
+ REMOVE_EMPTY_PARENTS_REFLOG = 0x02
+};
+
/*
- * Remove empty parents, but spare refs/ and immediate subdirs.
- * Note: munges *name.
+ * Remove empty parent directories associated with the specified
+ * reference and/or its reflog, but spare [logs/]refs/ and immediate
+ * subdirs. flags is a combination of REMOVE_EMPTY_PARENTS_REF and/or
+ * REMOVE_EMPTY_PARENTS_REFLOG.
*/
-static void try_remove_empty_parents(char *name)
+static void try_remove_empty_parents(const char *refname, unsigned int flags)
{
+ struct strbuf buf = STRBUF_INIT;
char *p, *q;
int i;
- p = name;
+
+ strbuf_addstr(&buf, refname);
+ p = buf.buf;
for (i = 0; i < 2; i++) { /* refs/{heads,tags,...}/ */
while (*p && *p != '/')
p++;
while (*p == '/')
p++;
}
- for (q = p; *q; q++)
- ;
- while (1) {
+ q = buf.buf + buf.len;
+ while (flags & (REMOVE_EMPTY_PARENTS_REF | REMOVE_EMPTY_PARENTS_REFLOG)) {
while (q > p && *q != '/')
q--;
while (q > p && *(q-1) == '/')
q--;
if (q == p)
break;
- *q = '\0';
- if (rmdir(git_path("%s", name)))
- break;
+ strbuf_setlen(&buf, q - buf.buf);
+ if ((flags & REMOVE_EMPTY_PARENTS_REF) &&
+ rmdir(git_path("%s", buf.buf)))
+ flags &= ~REMOVE_EMPTY_PARENTS_REF;
+ if ((flags & REMOVE_EMPTY_PARENTS_REFLOG) &&
+ rmdir(git_path("logs/%s", buf.buf)))
+ flags &= ~REMOVE_EMPTY_PARENTS_REFLOG;
}
+ strbuf_release(&buf);
}
/* make sure nobody touched the ref, and unlink */
}
ref_transaction_free(transaction);
strbuf_release(&err);
- try_remove_empty_parents(r->name);
}
static void prune_refs(struct ref_to_prune *r)
return ret;
}
-static int delete_ref_loose(struct ref_lock *lock, int flag, struct strbuf *err)
-{
- assert(err);
-
- if (!(flag & REF_ISPACKED) || flag & REF_ISSYMREF) {
- /*
- * loose. The loose file name is the same as the
- * lockfile name, minus ".lock":
- */
- char *loose_filename = get_locked_file_path(lock->lk);
- int res = unlink_or_msg(loose_filename, err);
- free(loose_filename);
- if (res)
- return 1;
- }
- return 0;
-}
-
static int files_delete_refs(struct ref_store *ref_store,
struct string_list *refnames, unsigned int flags)
{
}
flag = log_all_ref_updates;
- log_all_ref_updates = 0;
+ log_all_ref_updates = LOG_REFS_NONE;
if (write_ref_to_lockfile(lock, orig_sha1, &err) ||
commit_ref_update(refs, lock, orig_sha1, NULL, &err)) {
error("unable to write current sha1 into %s: %s", oldrefname, err.buf);
}
/*
- * Create a reflog for a ref. Store its path to *logfile. If
- * force_create = 0, only create the reflog for certain refs (those
- * for which should_autocreate_reflog returns non-zero). Otherwise,
- * create it regardless of the reference name. If the logfile already
- * existed or was created, return 0 and set *logfd to the file
- * descriptor opened for appending to the file. If no logfile exists
- * and we decided not to create one, return 0 and set *logfd to -1. On
- * failure, fill in *err, set *logfd to -1, and return -1.
+ * Create a reflog for a ref. If force_create = 0, only create the
+ * reflog for certain refs (those for which should_autocreate_reflog
+ * returns non-zero). Otherwise, create it regardless of the reference
+ * name. If the logfile already existed or was created, return 0 and
+ * set *logfd to the file descriptor opened for appending to the file.
+ * If no logfile exists and we decided not to create one, return 0 and
+ * set *logfd to -1. On failure, fill in *err, set *logfd to -1, and
+ * return -1.
*/
-static int log_ref_setup(const char *refname,
- struct strbuf *logfile, int *logfd,
- struct strbuf *err, int force_create)
+static int log_ref_setup(const char *refname, int force_create,
+ int *logfd, struct strbuf *err)
{
- strbuf_git_path(logfile, "logs/%s", refname);
+ char *logfile = git_pathdup("logs/%s", refname);
if (force_create || should_autocreate_reflog(refname)) {
- if (raceproof_create_file(logfile->buf, open_or_create_logfile, logfd)) {
+ if (raceproof_create_file(logfile, open_or_create_logfile, logfd)) {
if (errno == ENOENT)
strbuf_addf(err, "unable to create directory for '%s': "
- "%s", logfile->buf, strerror(errno));
+ "%s", logfile, strerror(errno));
else if (errno == EISDIR)
strbuf_addf(err, "there are still logs under '%s'",
- logfile->buf);
+ logfile);
else
strbuf_addf(err, "unable to append to '%s': %s",
- logfile->buf, strerror(errno));
+ logfile, strerror(errno));
- return -1;
+ goto error;
}
} else {
- *logfd = open(logfile->buf, O_APPEND | O_WRONLY, 0666);
+ *logfd = open(logfile, O_APPEND | O_WRONLY, 0666);
if (*logfd < 0) {
if (errno == ENOENT || errno == EISDIR) {
/*
;
} else {
strbuf_addf(err, "unable to append to '%s': %s",
- logfile->buf, strerror(errno));
- return -1;
+ logfile, strerror(errno));
+ goto error;
}
}
}
if (*logfd >= 0)
- adjust_shared_perm(logfile->buf);
+ adjust_shared_perm(logfile);
+ free(logfile);
return 0;
+
+error:
+ free(logfile);
+ return -1;
}
static int files_create_reflog(struct ref_store *ref_store,
const char *refname, int force_create,
struct strbuf *err)
{
- int ret;
- struct strbuf sb = STRBUF_INIT;
int fd;
/* Check validity (but we don't need the result): */
files_downcast(ref_store, 0, "create_reflog");
- ret = log_ref_setup(refname, &sb, &fd, err, force_create);
+ if (log_ref_setup(refname, force_create, &fd, err))
+ return -1;
+
if (fd >= 0)
close(fd);
- strbuf_release(&sb);
- return ret;
+
+ return 0;
}
static int log_ref_write_fd(int fd, const unsigned char *old_sha1,
return 0;
}
-static int log_ref_write_1(const char *refname, const unsigned char *old_sha1,
- const unsigned char *new_sha1, const char *msg,
- struct strbuf *logfile, int flags,
- struct strbuf *err)
+int files_log_ref_write(const char *refname, const unsigned char *old_sha1,
+ const unsigned char *new_sha1, const char *msg,
+ int flags, struct strbuf *err)
{
int logfd, result;
- if (log_all_ref_updates < 0)
- log_all_ref_updates = !is_bare_repository();
+ if (log_all_ref_updates == LOG_REFS_UNSET)
+ log_all_ref_updates = is_bare_repository() ? LOG_REFS_NONE : LOG_REFS_NORMAL;
- result = log_ref_setup(refname, logfile, &logfd, err,
- flags & REF_FORCE_CREATE_REFLOG);
+ result = log_ref_setup(refname, flags & REF_FORCE_CREATE_REFLOG,
+ &logfd, err);
if (result)
return result;
result = log_ref_write_fd(logfd, old_sha1, new_sha1,
git_committer_info(0), msg);
if (result) {
- strbuf_addf(err, "unable to append to '%s': %s", logfile->buf,
- strerror(errno));
+ int save_errno = errno;
+
+ strbuf_addf(err, "unable to append to '%s': %s",
+ git_path("logs/%s", refname), strerror(save_errno));
close(logfd);
return -1;
}
if (close(logfd)) {
- strbuf_addf(err, "unable to append to '%s': %s", logfile->buf,
- strerror(errno));
+ int save_errno = errno;
+
+ strbuf_addf(err, "unable to append to '%s': %s",
+ git_path("logs/%s", refname), strerror(save_errno));
return -1;
}
return 0;
}
-int files_log_ref_write(const char *refname, const unsigned char *old_sha1,
- const unsigned char *new_sha1, const char *msg,
- int flags, struct strbuf *err)
-{
- struct strbuf sb = STRBUF_INIT;
- int ret = log_ref_write_1(refname, old_sha1, new_sha1, msg, &sb, flags,
- err);
- strbuf_release(&sb);
- return ret;
-}
-
/*
* Write sha1 into the open lockfile, then close the lockfile. On
* errors, rollback the lockfile, fill in *err and
if (update->flags & REF_DELETING &&
!(update->flags & REF_LOG_ONLY)) {
- if (delete_ref_loose(lock, update->type, err)) {
- ret = TRANSACTION_GENERIC_ERROR;
- goto cleanup;
+ if (!(update->type & REF_ISPACKED) ||
+ update->type & REF_ISSYMREF) {
+ /* It is a loose reference. */
+ if (unlink_or_msg(git_path("%s", lock->ref_name), err)) {
+ ret = TRANSACTION_GENERIC_ERROR;
+ goto cleanup;
+ }
+ update->flags |= REF_DELETED_LOOSE;
}
if (!(update->flags & REF_ISPRUNING))
ret = TRANSACTION_GENERIC_ERROR;
goto cleanup;
}
- for_each_string_list_item(ref_to_delete, &refs_to_delete)
- unlink_or_warn(git_path("logs/%s", ref_to_delete->string));
+
+ /* Delete the reflogs of any references that were deleted: */
+ for_each_string_list_item(ref_to_delete, &refs_to_delete) {
+ if (!unlink_or_warn(git_path("logs/%s", ref_to_delete->string)))
+ try_remove_empty_parents(ref_to_delete->string,
+ REMOVE_EMPTY_PARENTS_REFLOG);
+ }
+
clear_loose_ref_cache(refs);
cleanup:
transaction->state = REF_TRANSACTION_CLOSED;
- for (i = 0; i < transaction->nr; i++)
- if (transaction->updates[i]->backend_data)
- unlock_ref(transaction->updates[i]->backend_data);
+ for (i = 0; i < transaction->nr; i++) {
+ struct ref_update *update = transaction->updates[i];
+ struct ref_lock *lock = update->backend_data;
+
+ if (lock)
+ unlock_ref(lock);
+
+ if (update->flags & REF_DELETED_LOOSE) {
+ /*
+ * The loose reference was deleted. Delete any
+ * empty parent directories. (Note that this
+ * can only work because we have already
+ * removed the lockfile.)
+ */
+ try_remove_empty_parents(update->refname,
+ REMOVE_EMPTY_PARENTS_REF);
+ }
+ }
+
string_list_clear(&refs_to_delete, 0);
free(head_ref);
string_list_clear(&affected_refnames, 0);