#include "refs.h"
#include "refs/refs-internal.h"
#include "run-command.h"
+#include "hook.h"
#include "object-store.h"
#include "object.h"
#include "tag.h"
return NULL;
}
-int ref_storage_backend_exists(const char *name)
-{
- return find_ref_storage_backend(name) != NULL;
-}
-
/*
* How to handle various characters in refnames:
* 0: An acceptable character for refs
strbuf_addf(&path, *p, len, str);
ref = refs_resolve_ref_unsafe(refs, path.buf,
RESOLVE_REF_READING,
- &hash, NULL);
+ oid ? &hash : NULL, NULL);
if (!ref)
continue;
if (refs_reflog_exists(refs, path.buf))
continue;
if (!logs_found++) {
*log = xstrdup(it);
- oidcpy(oid, &hash);
+ if (oid)
+ oidcpy(oid, &hash);
}
if (!warn_ambiguous_refs)
break;
{
struct ref_iterator *iter;
- if (ref_paranoia < 0)
- ref_paranoia = git_env_bool("GIT_REF_PARANOIA", 0);
- if (ref_paranoia)
- flags |= DO_FOR_EACH_INCLUDE_BROKEN;
+ if (!(flags & DO_FOR_EACH_INCLUDE_BROKEN)) {
+ static int ref_paranoia = -1;
+
+ if (ref_paranoia < 0)
+ ref_paranoia = git_env_bool("GIT_REF_PARANOIA", 1);
+ if (ref_paranoia) {
+ flags |= DO_FOR_EACH_INCLUDE_BROKEN;
+ flags |= DO_FOR_EACH_OMIT_DANGLING_SYMREFS;
+ }
+ }
iter = refs->be->iterator_begin(refs, prefix, flags);
return refs_for_each_ref_in(get_main_ref_store(the_repository), prefix, fn, cb_data);
}
-int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data, unsigned int broken)
+int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data)
{
- enum do_for_each_ref_flags flag = 0;
-
- if (broken)
- flag = DO_FOR_EACH_INCLUDE_BROKEN;
return do_for_each_ref(get_main_ref_store(the_repository),
- prefix, fn, 0, flag, cb_data);
+ prefix, fn, 0, 0, cb_data);
}
int refs_for_each_fullref_in(struct ref_store *refs, const char *prefix,
- each_ref_fn fn, void *cb_data,
- unsigned int broken)
+ each_ref_fn fn, void *cb_data)
{
- enum do_for_each_ref_flags flag = 0;
-
- if (broken)
- flag = DO_FOR_EACH_INCLUDE_BROKEN;
- return do_for_each_ref(refs, prefix, fn, 0, flag, cb_data);
+ return do_for_each_ref(refs, prefix, fn, 0, 0, cb_data);
}
int for_each_replace_ref(struct repository *r, each_repo_ref_fn fn, void *cb_data)
int for_each_fullref_in_prefixes(const char *namespace,
const char **patterns,
- each_ref_fn fn, void *cb_data,
- unsigned int broken)
+ each_ref_fn fn, void *cb_data)
{
struct string_list prefixes = STRING_LIST_INIT_DUP;
struct string_list_item *prefix;
for_each_string_list_item(prefix, &prefixes) {
strbuf_addstr(&buf, prefix->string);
- ret = for_each_fullref_in(buf.buf, fn, cb_data, broken);
+ ret = for_each_fullref_in(buf.buf, fn, cb_data);
if (ret)
break;
strbuf_setlen(&buf, namespace_len);
static int refs_read_special_head(struct ref_store *ref_store,
const char *refname, struct object_id *oid,
- struct strbuf *referent, unsigned int *type)
+ struct strbuf *referent, unsigned int *type,
+ int *failure_errno)
{
struct strbuf full_path = STRBUF_INIT;
struct strbuf content = STRBUF_INIT;
if (strbuf_read_file(&content, full_path.buf, 0) < 0)
goto done;
- result = parse_loose_ref_contents(content.buf, oid, referent, type);
+ result = parse_loose_ref_contents(content.buf, oid, referent, type,
+ failure_errno);
done:
strbuf_release(&full_path);
return result;
}
-int refs_read_raw_ref(struct ref_store *ref_store,
- const char *refname, struct object_id *oid,
- struct strbuf *referent, unsigned int *type)
+int refs_read_raw_ref(struct ref_store *ref_store, const char *refname,
+ struct object_id *oid, struct strbuf *referent,
+ unsigned int *type, int *failure_errno)
{
+ assert(failure_errno);
if (!strcmp(refname, "FETCH_HEAD") || !strcmp(refname, "MERGE_HEAD")) {
return refs_read_special_head(ref_store, refname, oid, referent,
- type);
+ type, failure_errno);
}
return ref_store->be->read_raw_ref(ref_store, refname, oid, referent,
- type);
+ type, failure_errno);
}
-/* This function needs to return a meaningful errno on failure */
-const char *refs_resolve_ref_unsafe(struct ref_store *refs,
+const char *refs_werrres_ref_unsafe(struct ref_store *refs,
const char *refname,
int resolve_flags,
- struct object_id *oid, int *flags)
+ struct object_id *oid,
+ int *flags, int *failure_errno)
{
static struct strbuf sb_refname = STRBUF_INIT;
struct object_id unused_oid;
int unused_flags;
int symref_count;
+ assert(failure_errno);
+
if (!oid)
oid = &unused_oid;
if (!flags)
if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) {
if (!(resolve_flags & RESOLVE_REF_ALLOW_BAD_NAME) ||
!refname_is_safe(refname)) {
- errno = EINVAL;
+ *failure_errno = EINVAL;
return NULL;
}
for (symref_count = 0; symref_count < SYMREF_MAXDEPTH; symref_count++) {
unsigned int read_flags = 0;
- if (refs_read_raw_ref(refs, refname,
- oid, &sb_refname, &read_flags)) {
+ if (refs_read_raw_ref(refs, refname, oid, &sb_refname,
+ &read_flags, failure_errno)) {
*flags |= read_flags;
+ if (errno)
+ *failure_errno = errno;
/* In reading mode, refs must eventually resolve */
if (resolve_flags & RESOLVE_REF_READING)
* may show errors besides ENOENT if there are
* similarly-named refs.
*/
- if (errno != ENOENT &&
- errno != EISDIR &&
- errno != ENOTDIR)
+ if (*failure_errno != ENOENT &&
+ *failure_errno != EISDIR &&
+ *failure_errno != ENOTDIR)
return NULL;
oidclr(oid);
if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) {
if (!(resolve_flags & RESOLVE_REF_ALLOW_BAD_NAME) ||
!refname_is_safe(refname)) {
- errno = EINVAL;
+ *failure_errno = EINVAL;
return NULL;
}
}
}
- errno = ELOOP;
+ *failure_errno = ELOOP;
return NULL;
}
+const char *refs_resolve_ref_unsafe(struct ref_store *refs, const char *refname,
+ int resolve_flags, struct object_id *oid,
+ int *flags)
+{
+ int failure_errno = 0;
+ const char *refn;
+ refn = refs_werrres_ref_unsafe(refs, refname, resolve_flags,
+ oid, flags, &failure_errno);
+ if (!refn)
+ errno = failure_errno;
+ return refn;
+}
+
/* backend functions */
int refs_init_db(struct strbuf *err)
{
strbuf_grow(&dirname, strlen(refname) + 1);
for (slash = strchr(refname, '/'); slash; slash = strchr(slash + 1, '/')) {
+ /*
+ * Just saying "Is a directory" when we e.g. can't
+ * lock some multi-level ref isn't very informative,
+ * the user won't be told *what* is a directory, so
+ * let's not use strerror() below.
+ */
+ int ignore_errno;
/* Expand dirname to the new prefix, not including the trailing slash: */
strbuf_add(&dirname, refname + dirname.len, slash - refname - dirname.len);
if (skip && string_list_has_string(skip, dirname.buf))
continue;
- if (!refs_read_raw_ref(refs, dirname.buf, &oid, &referent, &type)) {
+ if (!refs_read_raw_ref(refs, dirname.buf, &oid, &referent,
+ &type, &ignore_errno)) {
strbuf_addf(err, _("'%s' exists; cannot create '%s'"),
dirname.buf, refname);
goto cleanup;
}
int refs_reflog_expire(struct ref_store *refs,
- const char *refname, const struct object_id *oid,
+ const char *refname,
unsigned int flags,
reflog_expiry_prepare_fn prepare_fn,
reflog_expiry_should_prune_fn should_prune_fn,
reflog_expiry_cleanup_fn cleanup_fn,
void *policy_cb_data)
{
- return refs->be->reflog_expire(refs, refname, oid, flags,
+ return refs->be->reflog_expire(refs, refname, flags,
prepare_fn, should_prune_fn,
cleanup_fn, policy_cb_data);
}
-int reflog_expire(const char *refname, const struct object_id *oid,
+int reflog_expire(const char *refname,
unsigned int flags,
reflog_expiry_prepare_fn prepare_fn,
reflog_expiry_should_prune_fn should_prune_fn,
void *policy_cb_data)
{
return refs_reflog_expire(get_main_ref_store(the_repository),
- refname, oid, flags,
+ refname, flags,
prepare_fn, should_prune_fn,
cleanup_fn, policy_cb_data);
}
projects / thirdparty / git.git / blobdiff