#include "refs/refs-internal.h"
#include "object.h"
#include "tag.h"
+#include "submodule.h"
/*
* List of all available backends
return 1;
}
+char *refs_resolve_refdup(struct ref_store *refs,
+ const char *refname, int resolve_flags,
+ unsigned char *sha1, int *flags)
+{
+ const char *result;
+
+ result = refs_resolve_ref_unsafe(refs, refname, resolve_flags,
+ sha1, flags);
+ return xstrdup_or_null(result);
+}
+
char *resolve_refdup(const char *refname, int resolve_flags,
unsigned char *sha1, int *flags)
{
- return xstrdup_or_null(resolve_ref_unsafe(refname, resolve_flags,
- sha1, flags));
+ return refs_resolve_refdup(get_main_ref_store(),
+ refname, resolve_flags,
+ sha1, flags);
}
/* The argument to filter_refs */
void *cb_data;
};
-int read_ref_full(const char *refname, int resolve_flags, unsigned char *sha1, int *flags)
+int refs_read_ref_full(struct ref_store *refs, const char *refname,
+ int resolve_flags, unsigned char *sha1, int *flags)
{
- if (resolve_ref_unsafe(refname, resolve_flags, sha1, flags))
+ if (refs_resolve_ref_unsafe(refs, refname, resolve_flags, sha1, flags))
return 0;
return -1;
}
+int read_ref_full(const char *refname, int resolve_flags, unsigned char *sha1, int *flags)
+{
+ return refs_read_ref_full(get_main_ref_store(), refname,
+ resolve_flags, sha1, flags);
+}
+
int read_ref(const char *refname, unsigned char *sha1)
{
return read_ref_full(refname, RESOLVE_REF_READING, sha1, NULL);
for_each_rawref(warn_if_dangling_symref, &data);
}
+int refs_for_each_tag_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data)
+{
+ return refs_for_each_ref_in(refs, "refs/tags/", fn, cb_data);
+}
+
int for_each_tag_ref(each_ref_fn fn, void *cb_data)
{
- return for_each_ref_in("refs/tags/", fn, cb_data);
+ return refs_for_each_tag_ref(get_main_ref_store(), fn, cb_data);
}
int for_each_tag_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
{
- return for_each_ref_in_submodule(submodule, "refs/tags/", fn, cb_data);
+ return refs_for_each_tag_ref(get_submodule_ref_store(submodule),
+ fn, cb_data);
+}
+
+int refs_for_each_branch_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data)
+{
+ return refs_for_each_ref_in(refs, "refs/heads/", fn, cb_data);
}
int for_each_branch_ref(each_ref_fn fn, void *cb_data)
{
- return for_each_ref_in("refs/heads/", fn, cb_data);
+ return refs_for_each_branch_ref(get_main_ref_store(), fn, cb_data);
}
int for_each_branch_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
{
- return for_each_ref_in_submodule(submodule, "refs/heads/", fn, cb_data);
+ return refs_for_each_branch_ref(get_submodule_ref_store(submodule),
+ fn, cb_data);
+}
+
+int refs_for_each_remote_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data)
+{
+ return refs_for_each_ref_in(refs, "refs/remotes/", fn, cb_data);
}
int for_each_remote_ref(each_ref_fn fn, void *cb_data)
{
- return for_each_ref_in("refs/remotes/", fn, cb_data);
+ return refs_for_each_remote_ref(get_main_ref_store(), fn, cb_data);
}
int for_each_remote_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
{
- return for_each_ref_in_submodule(submodule, "refs/remotes/", fn, cb_data);
+ return refs_for_each_remote_ref(get_submodule_ref_store(submodule),
+ fn, cb_data);
}
int head_ref_namespaced(each_ref_fn fn, void *cb_data)
return 0;
}
-int delete_ref(const char *msg, const char *refname,
- const unsigned char *old_sha1, unsigned int flags)
+int refs_delete_ref(struct ref_store *refs, const char *msg,
+ const char *refname,
+ const unsigned char *old_sha1,
+ unsigned int flags)
{
struct ref_transaction *transaction;
struct strbuf err = STRBUF_INIT;
- if (ref_type(refname) == REF_TYPE_PSEUDOREF)
+ if (ref_type(refname) == REF_TYPE_PSEUDOREF) {
+ assert(refs == get_main_ref_store());
return delete_pseudoref(refname, old_sha1);
+ }
- transaction = ref_transaction_begin(&err);
+ transaction = ref_store_transaction_begin(refs, &err);
if (!transaction ||
ref_transaction_delete(transaction, refname, old_sha1,
flags, msg, &err) ||
return 0;
}
+int delete_ref(const char *msg, const char *refname,
+ const unsigned char *old_sha1, unsigned int flags)
+{
+ return refs_delete_ref(get_main_ref_store(), msg, refname,
+ old_sha1, flags);
+}
+
int copy_reflog_msg(char *buf, const char *msg)
{
char *cp = buf;
return 1;
}
-struct ref_transaction *ref_transaction_begin(struct strbuf *err)
+struct ref_transaction *ref_store_transaction_begin(struct ref_store *refs,
+ struct strbuf *err)
{
+ struct ref_transaction *tr;
assert(err);
- return xcalloc(1, sizeof(struct ref_transaction));
+ tr = xcalloc(1, sizeof(struct ref_transaction));
+ tr->ref_store = refs;
+ return tr;
+}
+
+struct ref_transaction *ref_transaction_begin(struct strbuf *err)
+{
+ return ref_store_transaction_begin(get_main_ref_store(), err);
}
void ref_transaction_free(struct ref_transaction *transaction)
old_oid ? old_oid->hash : NULL, flags, onerr);
}
-int update_ref(const char *msg, const char *refname,
- const unsigned char *new_sha1, const unsigned char *old_sha1,
- unsigned int flags, enum action_on_err onerr)
+int refs_update_ref(struct ref_store *refs, const char *msg,
+ const char *refname, const unsigned char *new_sha1,
+ const unsigned char *old_sha1, unsigned int flags,
+ enum action_on_err onerr)
{
struct ref_transaction *t = NULL;
struct strbuf err = STRBUF_INIT;
int ret = 0;
if (ref_type(refname) == REF_TYPE_PSEUDOREF) {
+ assert(refs == get_main_ref_store());
ret = write_pseudoref(refname, new_sha1, old_sha1, &err);
} else {
- t = ref_transaction_begin(&err);
+ t = ref_store_transaction_begin(refs, &err);
if (!t ||
ref_transaction_update(t, refname, new_sha1, old_sha1,
flags, msg, &err) ||
return 0;
}
+int update_ref(const char *msg, const char *refname,
+ const unsigned char *new_sha1,
+ const unsigned char *old_sha1,
+ unsigned int flags, enum action_on_err onerr)
+{
+ return refs_update_ref(get_main_ref_store(), msg, refname, new_sha1,
+ old_sha1, flags, onerr);
+}
+
char *shorten_unambiguous_ref(const char *refname, int strict)
{
int i;
return NULL;
}
-int rename_ref_available(const char *old_refname, const char *new_refname)
+int refs_rename_ref_available(struct ref_store *refs,
+ const char *old_refname,
+ const char *new_refname)
{
struct string_list skip = STRING_LIST_INIT_NODUP;
struct strbuf err = STRBUF_INIT;
int ok;
string_list_insert(&skip, old_refname);
- ok = !verify_refname_available(new_refname, NULL, &skip, &err);
+ ok = !refs_verify_refname_available(refs, new_refname,
+ NULL, &skip, &err);
if (!ok)
error("%s", err.buf);
* non-zero value, stop the iteration and return that value;
* otherwise, return 0.
*/
-static int do_for_each_ref(const char *submodule, const char *prefix,
+static int do_for_each_ref(struct ref_store *refs, const char *prefix,
each_ref_fn fn, int trim, int flags, void *cb_data)
{
- struct ref_store *refs = get_ref_store(submodule);
struct ref_iterator *iter;
if (!refs)
return do_for_each_ref_iterator(iter, fn, cb_data);
}
+int refs_for_each_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data)
+{
+ return do_for_each_ref(refs, "", fn, 0, 0, cb_data);
+}
+
int for_each_ref(each_ref_fn fn, void *cb_data)
{
- return do_for_each_ref(NULL, "", fn, 0, 0, cb_data);
+ return refs_for_each_ref(get_main_ref_store(), fn, cb_data);
}
int for_each_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
{
- return do_for_each_ref(submodule, "", fn, 0, 0, cb_data);
+ return refs_for_each_ref(get_submodule_ref_store(submodule), fn, cb_data);
+}
+
+int refs_for_each_ref_in(struct ref_store *refs, const char *prefix,
+ each_ref_fn fn, void *cb_data)
+{
+ return do_for_each_ref(refs, prefix, fn, strlen(prefix), 0, cb_data);
}
int for_each_ref_in(const char *prefix, each_ref_fn fn, void *cb_data)
{
- return do_for_each_ref(NULL, prefix, fn, strlen(prefix), 0, cb_data);
+ return refs_for_each_ref_in(get_main_ref_store(), prefix, fn, cb_data);
}
int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data, unsigned int broken)
if (broken)
flag = DO_FOR_EACH_INCLUDE_BROKEN;
- return do_for_each_ref(NULL, prefix, fn, 0, flag, cb_data);
+ return do_for_each_ref(get_main_ref_store(),
+ prefix, fn, 0, flag, cb_data);
}
int for_each_ref_in_submodule(const char *submodule, const char *prefix,
- each_ref_fn fn, void *cb_data)
+ each_ref_fn fn, void *cb_data)
{
- return do_for_each_ref(submodule, prefix, fn, strlen(prefix), 0, cb_data);
+ return refs_for_each_ref_in(get_submodule_ref_store(submodule),
+ prefix, fn, cb_data);
}
int for_each_replace_ref(each_ref_fn fn, void *cb_data)
{
- return do_for_each_ref(NULL, git_replace_ref_base, fn,
- strlen(git_replace_ref_base), 0, cb_data);
+ return do_for_each_ref(get_main_ref_store(),
+ git_replace_ref_base, fn,
+ strlen(git_replace_ref_base),
+ 0, cb_data);
}
int for_each_namespaced_ref(each_ref_fn fn, void *cb_data)
struct strbuf buf = STRBUF_INIT;
int ret;
strbuf_addf(&buf, "%srefs/", get_git_namespace());
- ret = do_for_each_ref(NULL, buf.buf, fn, 0, 0, cb_data);
+ ret = do_for_each_ref(get_main_ref_store(),
+ buf.buf, fn, 0, 0, cb_data);
strbuf_release(&buf);
return ret;
}
-int for_each_rawref(each_ref_fn fn, void *cb_data)
+int refs_for_each_rawref(struct ref_store *refs, each_ref_fn fn, void *cb_data)
{
- return do_for_each_ref(NULL, "", fn, 0,
+ return do_for_each_ref(refs, "", fn, 0,
DO_FOR_EACH_INCLUDE_BROKEN, cb_data);
}
+int for_each_rawref(each_ref_fn fn, void *cb_data)
+{
+ return refs_for_each_rawref(get_main_ref_store(), fn, cb_data);
+}
+
/* This function needs to return a meaningful errno on failure */
-const char *resolve_ref_recursively(struct ref_store *refs,
+const char *refs_resolve_ref_unsafe(struct ref_store *refs,
const char *refname,
int resolve_flags,
unsigned char *sha1, int *flags)
/* backend functions */
int refs_init_db(struct strbuf *err)
{
- struct ref_store *refs = get_ref_store(NULL);
+ struct ref_store *refs = get_main_ref_store();
return refs->be->init_db(refs, err);
}
const char *resolve_ref_unsafe(const char *refname, int resolve_flags,
unsigned char *sha1, int *flags)
{
- return resolve_ref_recursively(get_ref_store(NULL), refname,
+ return refs_resolve_ref_unsafe(get_main_ref_store(), refname,
resolve_flags, sha1, flags);
}
/* We need to strip off one or more trailing slashes */
char *stripped = xmemdupz(submodule, len);
- refs = get_ref_store(stripped);
+ refs = get_submodule_ref_store(stripped);
free(stripped);
} else {
- refs = get_ref_store(submodule);
+ refs = get_submodule_ref_store(submodule);
}
if (!refs)
return -1;
- if (!resolve_ref_recursively(refs, refname, 0, sha1, &flags) ||
+ if (!refs_resolve_ref_unsafe(refs, refname, 0, sha1, &flags) ||
is_null_sha1(sha1))
return -1;
return 0;
static struct hashmap submodule_ref_stores;
/*
- * Return the ref_store instance for the specified submodule (or the
- * main repository if submodule is NULL). If that ref_store hasn't
- * been initialized yet, return NULL.
+ * Return the ref_store instance for the specified submodule. If that
+ * ref_store hasn't been initialized yet, return NULL.
*/
-static struct ref_store *lookup_ref_store(const char *submodule)
+static struct ref_store *lookup_submodule_ref_store(const char *submodule)
{
struct submodule_hash_entry *entry;
- if (!submodule)
- return main_ref_store;
-
if (!submodule_ref_stores.tablesize)
/* It's initialized on demand in register_ref_store(). */
return NULL;
return entry ? entry->refs : NULL;
}
-/*
- * Register the specified ref_store to be the one that should be used
- * for submodule (or the main repository if submodule is NULL). It is
- * a fatal error to call this function twice for the same submodule.
- */
-static void register_ref_store(struct ref_store *refs, const char *submodule)
-{
- if (!submodule) {
- if (main_ref_store)
- die("BUG: main_ref_store initialized twice");
-
- main_ref_store = refs;
- } else {
- if (!submodule_ref_stores.tablesize)
- hashmap_init(&submodule_ref_stores, submodule_hash_cmp, 0);
-
- if (hashmap_put(&submodule_ref_stores,
- alloc_submodule_hash_entry(submodule, refs)))
- die("BUG: ref_store for submodule '%s' initialized twice",
- submodule);
- }
-}
-
/*
* Create, record, and return a ref_store instance for the specified
- * submodule (or the main repository if submodule is NULL).
+ * gitdir.
*/
-static struct ref_store *ref_store_init(const char *submodule)
+static struct ref_store *ref_store_init(const char *gitdir,
+ unsigned int flags)
{
const char *be_name = "files";
struct ref_storage_be *be = find_ref_storage_backend(be_name);
if (!be)
die("BUG: reference backend %s is unknown", be_name);
- refs = be->init(submodule);
- register_ref_store(refs, submodule);
+ refs = be->init(gitdir, flags);
return refs;
}
-struct ref_store *get_ref_store(const char *submodule)
+struct ref_store *get_main_ref_store(void)
+{
+ if (main_ref_store)
+ return main_ref_store;
+
+ main_ref_store = ref_store_init(get_git_dir(),
+ (REF_STORE_READ |
+ REF_STORE_WRITE |
+ REF_STORE_ODB |
+ REF_STORE_MAIN));
+ return main_ref_store;
+}
+
+/*
+ * Register the specified ref_store to be the one that should be used
+ * for submodule. It is a fatal error to call this function twice for
+ * the same submodule.
+ */
+static void register_submodule_ref_store(struct ref_store *refs,
+ const char *submodule)
+{
+ if (!submodule_ref_stores.tablesize)
+ hashmap_init(&submodule_ref_stores, submodule_hash_cmp, 0);
+
+ if (hashmap_put(&submodule_ref_stores,
+ alloc_submodule_hash_entry(submodule, refs)))
+ die("BUG: ref_store for submodule '%s' initialized twice",
+ submodule);
+}
+
+struct ref_store *get_submodule_ref_store(const char *submodule)
{
+ struct strbuf submodule_sb = STRBUF_INIT;
struct ref_store *refs;
+ int ret;
if (!submodule || !*submodule) {
- refs = lookup_ref_store(NULL);
+ /*
+ * FIXME: This case is ideally not allowed. But that
+ * can't happen until we clean up all the callers.
+ */
+ return get_main_ref_store();
+ }
- if (!refs)
- refs = ref_store_init(NULL);
- } else {
- refs = lookup_ref_store(submodule);
+ refs = lookup_submodule_ref_store(submodule);
+ if (refs)
+ return refs;
- if (!refs) {
- struct strbuf submodule_sb = STRBUF_INIT;
+ strbuf_addstr(&submodule_sb, submodule);
+ ret = is_nonbare_repository_dir(&submodule_sb);
+ strbuf_release(&submodule_sb);
+ if (!ret)
+ return NULL;
- strbuf_addstr(&submodule_sb, submodule);
- if (is_nonbare_repository_dir(&submodule_sb))
- refs = ref_store_init(submodule);
- strbuf_release(&submodule_sb);
- }
+ ret = submodule_to_gitdir(&submodule_sb, submodule);
+ if (ret) {
+ strbuf_release(&submodule_sb);
+ return NULL;
}
+ /* assume that add_submodule_odb() has been called */
+ refs = ref_store_init(submodule_sb.buf,
+ REF_STORE_READ | REF_STORE_ODB);
+ register_submodule_ref_store(refs, submodule);
+
+ strbuf_release(&submodule_sb);
return refs;
}
}
/* backend functions */
-int pack_refs(unsigned int flags)
+int refs_pack_refs(struct ref_store *refs, unsigned int flags)
{
- struct ref_store *refs = get_ref_store(NULL);
-
return refs->be->pack_refs(refs, flags);
}
+int refs_peel_ref(struct ref_store *refs, const char *refname,
+ unsigned char *sha1)
+{
+ return refs->be->peel_ref(refs, refname, sha1);
+}
+
int peel_ref(const char *refname, unsigned char *sha1)
{
- struct ref_store *refs = get_ref_store(NULL);
+ return refs_peel_ref(get_main_ref_store(), refname, sha1);
+}
- return refs->be->peel_ref(refs, refname, sha1);
+int refs_create_symref(struct ref_store *refs,
+ const char *ref_target,
+ const char *refs_heads_master,
+ const char *logmsg)
+{
+ return refs->be->create_symref(refs, ref_target,
+ refs_heads_master,
+ logmsg);
}
int create_symref(const char *ref_target, const char *refs_heads_master,
const char *logmsg)
{
- struct ref_store *refs = get_ref_store(NULL);
-
- return refs->be->create_symref(refs, ref_target, refs_heads_master,
- logmsg);
+ return refs_create_symref(get_main_ref_store(), ref_target,
+ refs_heads_master, logmsg);
}
int ref_transaction_commit(struct ref_transaction *transaction,
struct strbuf *err)
{
- struct ref_store *refs = get_ref_store(NULL);
+ struct ref_store *refs = transaction->ref_store;
return refs->be->transaction_commit(refs, transaction, err);
}
-int verify_refname_available(const char *refname,
- const struct string_list *extra,
- const struct string_list *skip,
- struct strbuf *err)
+int refs_verify_refname_available(struct ref_store *refs,
+ const char *refname,
+ const struct string_list *extra,
+ const struct string_list *skip,
+ struct strbuf *err)
{
- struct ref_store *refs = get_ref_store(NULL);
-
return refs->be->verify_refname_available(refs, refname, extra, skip, err);
}
-int for_each_reflog(each_ref_fn fn, void *cb_data)
+int refs_for_each_reflog(struct ref_store *refs, each_ref_fn fn, void *cb_data)
{
- struct ref_store *refs = get_ref_store(NULL);
struct ref_iterator *iter;
iter = refs->be->reflog_iterator_begin(refs);
return do_for_each_ref_iterator(iter, fn, cb_data);
}
-int for_each_reflog_ent_reverse(const char *refname, each_reflog_ent_fn fn,
- void *cb_data)
+int for_each_reflog(each_ref_fn fn, void *cb_data)
{
- struct ref_store *refs = get_ref_store(NULL);
+ return refs_for_each_reflog(get_main_ref_store(), fn, cb_data);
+}
+int refs_for_each_reflog_ent_reverse(struct ref_store *refs,
+ const char *refname,
+ each_reflog_ent_fn fn,
+ void *cb_data)
+{
return refs->be->for_each_reflog_ent_reverse(refs, refname,
fn, cb_data);
}
+int for_each_reflog_ent_reverse(const char *refname, each_reflog_ent_fn fn,
+ void *cb_data)
+{
+ return refs_for_each_reflog_ent_reverse(get_main_ref_store(),
+ refname, fn, cb_data);
+}
+
+int refs_for_each_reflog_ent(struct ref_store *refs, const char *refname,
+ each_reflog_ent_fn fn, void *cb_data)
+{
+ return refs->be->for_each_reflog_ent(refs, refname, fn, cb_data);
+}
+
int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn,
void *cb_data)
{
- struct ref_store *refs = get_ref_store(NULL);
+ return refs_for_each_reflog_ent(get_main_ref_store(), refname,
+ fn, cb_data);
+}
- return refs->be->for_each_reflog_ent(refs, refname, fn, cb_data);
+int refs_reflog_exists(struct ref_store *refs, const char *refname)
+{
+ return refs->be->reflog_exists(refs, refname);
}
int reflog_exists(const char *refname)
{
- struct ref_store *refs = get_ref_store(NULL);
+ return refs_reflog_exists(get_main_ref_store(), refname);
+}
- return refs->be->reflog_exists(refs, refname);
+int refs_create_reflog(struct ref_store *refs, const char *refname,
+ int force_create, struct strbuf *err)
+{
+ return refs->be->create_reflog(refs, refname, force_create, err);
}
int safe_create_reflog(const char *refname, int force_create,
struct strbuf *err)
{
- struct ref_store *refs = get_ref_store(NULL);
+ return refs_create_reflog(get_main_ref_store(), refname,
+ force_create, err);
+}
- return refs->be->create_reflog(refs, refname, force_create, err);
+int refs_delete_reflog(struct ref_store *refs, const char *refname)
+{
+ return refs->be->delete_reflog(refs, refname);
}
int delete_reflog(const char *refname)
{
- struct ref_store *refs = get_ref_store(NULL);
+ return refs_delete_reflog(get_main_ref_store(), refname);
+}
- return refs->be->delete_reflog(refs, refname);
+int refs_reflog_expire(struct ref_store *refs,
+ const char *refname, const unsigned char *sha1,
+ 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, sha1, flags,
+ prepare_fn, should_prune_fn,
+ cleanup_fn, policy_cb_data);
}
int reflog_expire(const char *refname, const unsigned char *sha1,
reflog_expiry_cleanup_fn cleanup_fn,
void *policy_cb_data)
{
- struct ref_store *refs = get_ref_store(NULL);
-
- return refs->be->reflog_expire(refs, refname, sha1, flags,
- prepare_fn, should_prune_fn,
- cleanup_fn, policy_cb_data);
+ return refs_reflog_expire(get_main_ref_store(),
+ refname, sha1, flags,
+ prepare_fn, should_prune_fn,
+ cleanup_fn, policy_cb_data);
}
int initial_ref_transaction_commit(struct ref_transaction *transaction,
struct strbuf *err)
{
- struct ref_store *refs = get_ref_store(NULL);
+ struct ref_store *refs = transaction->ref_store;
return refs->be->initial_transaction_commit(refs, transaction, err);
}
-int delete_refs(struct string_list *refnames, unsigned int flags)
+int refs_delete_refs(struct ref_store *refs, struct string_list *refnames,
+ unsigned int flags)
{
- struct ref_store *refs = get_ref_store(NULL);
-
return refs->be->delete_refs(refs, refnames, flags);
}
-int rename_ref(const char *oldref, const char *newref, const char *logmsg)
+int delete_refs(struct string_list *refnames, unsigned int flags)
{
- struct ref_store *refs = get_ref_store(NULL);
+ return refs_delete_refs(get_main_ref_store(), refnames, flags);
+}
+int refs_rename_ref(struct ref_store *refs, const char *oldref,
+ const char *newref, const char *logmsg)
+{
return refs->be->rename_ref(refs, oldref, newref, logmsg);
}
+
+int rename_ref(const char *oldref, const char *newref, const char *logmsg)
+{
+ return refs_rename_ref(get_main_ref_store(), oldref, newref, logmsg);
+}