Factor loose ref deletion into helper function delete_ref_loose to allow
later use elsewhere.

Signed-off-by: Brad King <brad.k...@kitware.com>
---
 refs.c |   27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/refs.c b/refs.c
index 4347826..ab9d22e 100644
--- a/refs.c
+++ b/refs.c
@@ -2450,24 +2450,31 @@ static int repack_without_ref(const char *refname)
        return commit_packed_refs();
 }
 
+static int delete_ref_loose(struct ref_lock *lock, int flag)
+{
+       if (!(flag & REF_ISPACKED) || flag & REF_ISSYMREF) {
+               /* loose */
+               int err, i = strlen(lock->lk->filename) - 5; /* .lock */
+
+               lock->lk->filename[i] = 0;
+               err = unlink_or_warn(lock->lk->filename);
+               lock->lk->filename[i] = '.';
+               if (err && errno != ENOENT)
+                       return 1;
+       }
+       return 0;
+}
+
 int delete_ref(const char *refname, const unsigned char *sha1, int delopt)
 {
        struct ref_lock *lock;
-       int err, i = 0, ret = 0, flag = 0;
+       int ret = 0, flag = 0;
 
        lock = lock_ref_sha1_basic(refname, sha1, delopt, &flag);
        if (!lock)
                return 1;
-       if (!(flag & REF_ISPACKED) || flag & REF_ISSYMREF) {
-               /* loose */
-               i = strlen(lock->lk->filename) - 5; /* .lock */
-               lock->lk->filename[i] = 0;
-               err = unlink_or_warn(lock->lk->filename);
-               if (err && errno != ENOENT)
-                       ret = 1;
+       ret |= delete_ref_loose(lock, flag);
 
-               lock->lk->filename[i] = '.';
-       }
        /* removing the loose one could have resurrected an earlier
         * packed one.  Also, if it was not loose we need to repack
         * without it.
-- 
1.7.10.4

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