[PATCH 20/22] refs.c: add methods for head_ref*

[Ronnie Sahlberg <sahlberg@xxxxxxxxxx>]

Add methods for the head_ref* functions.

Signed-off-by: Ronnie Sahlberg <sahlberg@xxxxxxxxxx>
---
 refs-common.c | 15 +++++++++++++++
 refs.c        | 10 +++++++---
 refs.h        |  8 ++++++++
 3 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/refs-common.c b/refs-common.c
index 45e6fca..d9308a3 100644
--- a/refs-common.c
+++ b/refs-common.c
@@ -903,3 +903,18 @@ int resolve_gitlink_ref(const char *path, const char *refname,
 {
 	return refs->resolve_gitlink_ref(path, refname, sha1);
 }
+
+int head_ref(each_ref_fn fn, void *cb_data)
+{
+	return refs->head_ref(fn, cb_data);
+}
+
+int head_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data)
+{
+	return refs->head_ref_submodule(submodule, fn, cb_data);
+}
+
+int head_ref_namespaced(each_ref_fn fn, void *cb_data)
+{
+	return refs->head_ref_namespaced(fn, cb_data);
+}
diff --git a/refs.c b/refs.c
index c4076f3..94d6160 100644
--- a/refs.c
+++ b/refs.c
@@ -1600,12 +1600,12 @@ 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);
 }
@@ -1636,7 +1636,7 @@ int for_each_replace_ref(each_ref_fn fn, void *cb_data)
 	return do_for_each_ref(&ref_cache, "refs/replace/", fn, 13, 0, cb_data);
 }
 
-int head_ref_namespaced(each_ref_fn fn, void *cb_data)
+static int files_head_ref_namespaced(each_ref_fn fn, void *cb_data)
 {
 	struct strbuf buf = STRBUF_INIT;
 	int ret = 0;
@@ -3326,6 +3326,10 @@ struct ref_be refs_files = {
 	.peel_ref			= files_peel_ref,
 	.create_symref			= files_create_symref,
 	.resolve_gitlink_ref		= files_resolve_gitlink_ref,
+
+	.head_ref			= files_head_ref,
+	.head_ref_submodule	       	= files_head_ref_submodule,
+	.head_ref_namespaced		= files_head_ref_namespaced,
 };
 
 struct ref_be *refs = &refs_files;
diff --git a/refs.h b/refs.h
index c56bfcd..b35c406 100644
--- a/refs.h
+++ b/refs.h
@@ -397,6 +397,11 @@ typedef int (*create_symref_fn)(const char *ref_target,
 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 (*head_ref_namespaced_fn)(each_ref_fn fn, void *cb_data);
+
 struct ref_be {
 	transaction_begin_fn transaction_begin;
 	transaction_update_sha1_fn transaction_update_sha1;
@@ -420,6 +425,9 @@ struct ref_be {
 	create_symref_fn create_symref;
 	resolve_gitlink_ref_fn resolve_gitlink_ref;
 
+	head_ref_fn head_ref;
+	head_ref_submodule_fn head_ref_submodule;
+	head_ref_namespaced_fn head_ref_namespaced;
 };
 
 extern struct ref_be *refs;
-- 
2.0.1.553.geee1b3e

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