[PATCH v6 10/25] refs: move read_ref, read_ref_full and ref_exists to the common code

[Michael Haggerty]

From: Ronnie Sahlberg <sahlb...@google.com>

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

Signed-off-by: Ronnie Sahlberg <sahlb...@google.com>
Signed-off-by: David Turner <dtur...@twopensource.com>
Signed-off-by: Junio C Hamano <gits...@pobox.com>
Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
 refs/files-backend.c | 18 ------------------
 refs/refs.c          | 18 ++++++++++++++++++
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/refs/files-backend.c b/refs/files-backend.c
index 9fb77c2..6940d54 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -1803,24 +1803,6 @@ 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/refs.c b/refs/refs.c
index 6d9ea7c..ae55d85 100644
--- a/refs/refs.c
+++ b/refs/refs.c
@@ -597,3 +597,21 @@ 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);
+}
-- 
2.6.2

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