[PATCH v4 11/26] refs.c: move read_ref, read_ref_full and ref_exists to the common code

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From: Ronnie Sahlberg <sahlberg@xxxxxxxxxx>

These functions do not depend on the backend implementation so we
move them to the common code.

Signed-off-by: Ronnie Sahlberg <sahlberg@xxxxxxxxxx>
Signed-off-by: David Turner <dturner@xxxxxxxxxxxxxxxx>
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
 refs-be-files.c | 18 ------------------
 refs.c          | 18 ++++++++++++++++++
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/refs-be-files.c b/refs-be-files.c
index 9c53f54..728751a 100644
--- a/refs-be-files.c
+++ b/refs-be-files.c
@@ -1791,24 +1791,6 @@ struct ref_filter {
 	void *cb_data;
 };
 
-int read_ref_full(const char *refname, int resolve_flags, unsigned char *sha1, int *flags)
-{
-	if (resolve_ref_unsafe(refname, resolve_flags, sha1, flags))
-		return 0;
-	return -1;
-}
-
-int read_ref(const char *refname, unsigned char *sha1)
-{
-	return read_ref_full(refname, RESOLVE_REF_READING, sha1, NULL);
-}
-
-int ref_exists(const char *refname)
-{
-	unsigned char sha1[20];
-	return !!resolve_ref_unsafe(refname, RESOLVE_REF_READING, sha1, NULL);
-}
-
 static int filter_refs(const char *refname, const struct object_id *oid,
 			   int flags, void *data)
 {
diff --git a/refs.c b/refs.c
index fab7603..8a619a6 100644
--- a/refs.c
+++ b/refs.c
@@ -598,3 +598,21 @@ void warn_dangling_symrefs(FILE *fp, const char *msg_fmt, const struct string_li
 	data.msg_fmt = msg_fmt;
 	for_each_rawref(warn_if_dangling_symref, &data);
 }
+
+int read_ref_full(const char *refname, int resolve_flags, unsigned char *sha1, int *flags)
+{
+	if (resolve_ref_unsafe(refname, resolve_flags, sha1, flags))
+		return 0;
+	return -1;
+}
+
+int read_ref(const char *refname, unsigned char *sha1)
+{
+	return read_ref_full(refname, RESOLVE_REF_READING, sha1, NULL);
+}
+
+int ref_exists(const char *refname)
+{
+	unsigned char sha1[20];
+	return !!resolve_ref_unsafe(refname, RESOLVE_REF_READING, sha1, NULL);
+}
-- 
2.4.2.644.g97b850b-twtrsrc

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