[PATCH v3 21/44] refs-be-files.c: add methods for the ref iterators

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From: Ronnie Sahlberg <sahlberg@xxxxxxxxxx>

Signed-off-by: Ronnie Sahlberg <sahlberg@xxxxxxxxxx>
Signed-off-by: David Turner <dturner@xxxxxxxxxxxxxxxx>
---
 refs-be-files.c | 41 ++++++++++++++++++++++++----------
 refs.c          | 69 ++++++++++++++++++++++++++++++++++++++++++++++-----------
 refs.h          | 34 +++++++++++++++++++++++++---
 3 files changed, 116 insertions(+), 28 deletions(-)

diff --git a/refs-be-files.c b/refs-be-files.c
index 116d72d..2e2399e 100644
--- a/refs-be-files.c
+++ b/refs-be-files.c
@@ -1862,32 +1862,36 @@ static int do_head_ref(const char *submodule, each_ref_fn fn, void *cb_data)
 	return 0;
 }
 
-int head_ref(each_ref_fn fn, void *cb_data)
+static int files_head_ref(each_ref_fn fn, void *cb_data)
 {
 	return do_head_ref(NULL, fn, cb_data);
 }
 
-int head_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
+static int files_head_ref_submodule(const char *submodule, each_ref_fn fn,
+				    void *cb_data)
 {
 	return do_head_ref(submodule, fn, cb_data);
 }
 
-int for_each_ref(each_ref_fn fn, void *cb_data)
+static int files_for_each_ref(each_ref_fn fn, void *cb_data)
 {
 	return do_for_each_ref(&ref_cache, "", fn, 0, 0, cb_data);
 }
 
-int for_each_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
+static int files_for_each_ref_submodule(const char *submodule, each_ref_fn fn,
+					void *cb_data)
 {
 	return do_for_each_ref(get_ref_cache(submodule), "", fn, 0, 0, cb_data);
 }
 
-int for_each_ref_in(const char *prefix, each_ref_fn fn, void *cb_data)
+static int files_for_each_ref_in(const char *prefix, each_ref_fn fn,
+				 void *cb_data)
 {
 	return do_for_each_ref(&ref_cache, prefix, fn, strlen(prefix), 0, cb_data);
 }
 
-int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data, unsigned int broken)
+static int files_for_each_fullref_in(const char *prefix, each_ref_fn fn,
+				     void *cb_data, unsigned int broken)
 {
 	unsigned int flag = 0;
 
@@ -1896,18 +1900,21 @@ int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data, unsig
 	return do_for_each_ref(&ref_cache, 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)
+static int files_for_each_ref_in_submodule(const char *submodule,
+					   const char *prefix,
+					   each_ref_fn fn, void *cb_data)
 {
-	return do_for_each_ref(get_ref_cache(submodule), prefix, fn, strlen(prefix), 0, cb_data);
+	return do_for_each_ref(get_ref_cache(submodule), prefix, fn,
+			       strlen(prefix), 0, cb_data);
 }
-int for_each_replace_ref(each_ref_fn fn, void *cb_data)
+
+static int files_for_each_replace_ref(each_ref_fn fn, void *cb_data)
 {
 	return do_for_each_ref(&ref_cache, 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)
+static int files_for_each_namespaced_ref(each_ref_fn fn, void *cb_data)
 {
 	struct strbuf buf = STRBUF_INIT;
 	int ret;
@@ -1917,7 +1924,7 @@ int for_each_namespaced_ref(each_ref_fn fn, void *cb_data)
 	return ret;
 }
 
-int for_each_rawref(each_ref_fn fn, void *cb_data)
+static int files_for_each_rawref(each_ref_fn fn, void *cb_data)
 {
 	return do_for_each_ref(&ref_cache, "", fn, 0,
 			       DO_FOR_EACH_INCLUDE_BROKEN, cb_data);
@@ -3635,4 +3642,14 @@ struct ref_be refs_be_files = {
 	files_peel_ref,
 	files_create_symref,
 	files_resolve_gitlink_ref,
+	files_head_ref,
+	files_head_ref_submodule,
+	files_for_each_ref,
+	files_for_each_ref_submodule,
+	files_for_each_ref_in,
+	files_for_each_fullref_in,
+	files_for_each_ref_in_submodule,
+	files_for_each_rawref,
+	files_for_each_namespaced_ref,
+	files_for_each_replace_ref,
 };
diff --git a/refs.c b/refs.c
index 61d90f5..657ab73 100644
--- a/refs.c
+++ b/refs.c
@@ -1042,19 +1042,8 @@ int peel_ref(const char *refname, unsigned char *sha1)
 int create_symref(const char *ref_target, const char *refs_heads_master,
 		  const char *logmsg)
 {
-	struct strbuf err = STRBUF_INIT;
-	struct ref_transaction *transaction = ref_transaction_begin(&err);
-	if (!transaction)
-		return -1;
-
-	if (the_refs_backend->create_symref(transaction, ref_target,
-					    refs_heads_master, logmsg))
-		return -1;
-
-	if (ref_transaction_commit(transaction, &err))
-		return -1;
-
-	return 0;
+	return the_refs_backend->create_symref(ref_target, refs_heads_master,
+					       logmsg);
 }
 
 int resolve_gitlink_ref(const char *path, const char *refname,
@@ -1062,3 +1051,57 @@ int resolve_gitlink_ref(const char *path, const char *refname,
 {
 	return the_refs_backend->resolve_gitlink_ref(path, refname, sha1);
 }
+
+int head_ref(each_ref_fn fn, void *cb_data)
+{
+	return the_refs_backend->head_ref(fn, cb_data);
+}
+
+int head_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
+{
+	return the_refs_backend->head_ref_submodule(submodule, fn, cb_data);
+}
+
+int for_each_ref(each_ref_fn fn, void *cb_data)
+{
+	return the_refs_backend->for_each_ref(fn, cb_data);
+}
+
+int for_each_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
+{
+	return the_refs_backend->for_each_ref_submodule(submodule, fn, cb_data);
+}
+
+int for_each_ref_in(const char *prefix, each_ref_fn fn, void *cb_data)
+{
+	return the_refs_backend->for_each_ref_in(prefix, fn, cb_data);
+}
+
+int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data,
+			unsigned int broken)
+{
+	return the_refs_backend->for_each_fullref_in(prefix, fn, cb_data,
+						     broken);
+}
+
+int for_each_ref_in_submodule(const char *submodule, const char *prefix,
+			      each_ref_fn fn, void *cb_data)
+{
+	return the_refs_backend->for_each_ref_in_submodule(submodule, prefix,
+							   fn, cb_data);
+}
+
+int for_each_rawref(each_ref_fn fn, void *cb_data)
+{
+	return the_refs_backend->for_each_rawref(fn, cb_data);
+}
+
+int for_each_namespaced_ref(each_ref_fn fn, void *cb_data)
+{
+	return the_refs_backend->for_each_namespaced_ref(fn, cb_data);
+}
+
+int for_each_replace_ref(each_ref_fn fn, void *cb_data)
+{
+	return the_refs_backend->for_each_replace_ref(fn, cb_data);
+}
diff --git a/refs.h b/refs.h
index ee06a20..6dec0da 100644
--- a/refs.h
+++ b/refs.h
@@ -626,15 +626,33 @@ typedef void ref_transaction_free_fn(struct ref_transaction *transaction);
 typedef const char *resolve_ref_unsafe_fn(const char *ref,
 					  int resolve_flags,
 					  unsigned char *sha1, int *flags);
-typedef int verify_refname_available_fn(const char *refname, struct string_list *extra, struct string_list *skip, struct strbuf *err);
+typedef int verify_refname_available_fn(const char *refname,
+					struct string_list *extra,
+					struct string_list *skip,
+					struct strbuf *err);
 typedef int pack_refs_fn(unsigned int flags);
 typedef int peel_ref_fn(const char *refname, unsigned char *sha1);
-typedef int create_symref_fn(struct ref_transaction *transaction,
-			     const char *ref_target,
+typedef int create_symref_fn(const char *ref_target,
 			     const char *refs_heads_master,
 			     const char *logmsg);
 typedef int resolve_gitlink_ref_fn(const char *path, const char *refname,
 				   unsigned char *sha1);
+typedef int head_ref_fn(each_ref_fn fn, void *cb_data);
+typedef int head_ref_submodule_fn(const char *submodule, each_ref_fn fn,
+				  void *cb_data);
+typedef int for_each_ref_fn(each_ref_fn fn, void *cb_data);
+typedef int for_each_ref_submodule_fn(const char *submodule, each_ref_fn fn,
+				      void *cb_data);
+typedef int for_each_ref_in_fn(const char *prefix, each_ref_fn fn,
+			       void *cb_data);
+typedef int for_each_fullref_in_fn(const char *prefix, each_ref_fn fn,
+				   void *cb_data, unsigned int broken);
+typedef int for_each_ref_in_submodule_fn(const char *submodule,
+					 const char *prefix,
+					 each_ref_fn fn, void *cb_data);
+typedef int for_each_rawref_fn(each_ref_fn fn, void *cb_data);
+typedef int for_each_namespaced_ref_fn(each_ref_fn fn, void *cb_data);
+typedef int for_each_replace_ref_fn(each_ref_fn fn, void *cb_data);
 
 struct ref_be {
 	struct ref_be *next;
@@ -646,6 +664,16 @@ struct ref_be {
 	peel_ref_fn *peel_ref;
 	create_symref_fn *create_symref;
 	resolve_gitlink_ref_fn *resolve_gitlink_ref;
+	head_ref_fn *head_ref;
+	head_ref_submodule_fn *head_ref_submodule;
+	for_each_ref_fn *for_each_ref;
+	for_each_ref_submodule_fn *for_each_ref_submodule;
+	for_each_ref_in_fn *for_each_ref_in;
+	for_each_fullref_in_fn *for_each_fullref_in;
+	for_each_ref_in_submodule_fn *for_each_ref_in_submodule;
+	for_each_rawref_fn *for_each_rawref;
+	for_each_namespaced_ref_fn *for_each_namespaced_ref;
+	for_each_replace_ref_fn *for_each_replace_ref;
 };
 
 
-- 
2.4.2.644.g97b850b-twtrsrc

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