[PATCH v3 12/16] refs.c: make the *_packed_refs functions static

[Ronnie Sahlberg <sahlberg@google.com>]

We no longer need to expose the lock/add/commit/rollback functions
for packed refs anymore so make them static and remove them from the
public api.

Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
---
 refs.c |  8 ++++----
 refs.h | 30 ------------------------------
 2 files changed, 4 insertions(+), 34 deletions(-)

diff --git a/refs.c b/refs.c
index 2c6b0f6..eee9a14 100644
--- a/refs.c
+++ b/refs.c
@@ -1229,7 +1229,7 @@ static struct ref_dir *get_packed_refs(struct ref_cache *refs)
 	return get_packed_ref_dir(get_packed_ref_cache(refs));
 }
 
-void add_packed_ref(const char *refname, const unsigned char *sha1)
+static void add_packed_ref(const char *refname, const unsigned char *sha1)
 {
 	struct packed_ref_cache *packed_ref_cache =
 		get_packed_ref_cache(&ref_cache);
@@ -2398,7 +2398,7 @@ static int write_packed_entry_fn(struct ref_entry *entry, void *cb_data)
 }
 
 /* This should return a meaningful errno on failure */
-int lock_packed_refs(int flags)
+static int lock_packed_refs(int flags)
 {
 	struct packed_ref_cache *packed_ref_cache;
 
@@ -2421,7 +2421,7 @@ int lock_packed_refs(int flags)
  * Commit the packed refs changes.
  * On error we must make sure that errno contains a meaningful value.
  */
-int commit_packed_refs(void)
+static int commit_packed_refs(void)
 {
 	struct packed_ref_cache *packed_ref_cache =
 		get_packed_ref_cache(&ref_cache);
@@ -2450,7 +2450,7 @@ int commit_packed_refs(void)
 	return error;
 }
 
-void rollback_packed_refs(void)
+static void rollback_packed_refs(void)
 {
 	struct packed_ref_cache *packed_ref_cache =
 		get_packed_ref_cache(&ref_cache);
diff --git a/refs.h b/refs.h
index ce290b1..70a2819 100644
--- a/refs.h
+++ b/refs.h
@@ -120,36 +120,6 @@ extern void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refn
 extern void warn_dangling_symrefs(FILE *fp, const char *msg_fmt, const struct string_list *refnames);
 
 /*
- * Lock the packed-refs file for writing.  Flags is passed to
- * hold_lock_file_for_update().  Return 0 on success.
- * Errno is set to something meaningful on error.
- */
-extern int lock_packed_refs(int flags);
-
-/*
- * Add a reference to the in-memory packed reference cache.  This may
- * only be called while the packed-refs file is locked (see
- * lock_packed_refs()).  To actually write the packed-refs file, call
- * commit_packed_refs().
- */
-extern void add_packed_ref(const char *refname, const unsigned char *sha1);
-
-/*
- * Write the current version of the packed refs cache from memory to
- * disk.  The packed-refs file must already be locked for writing (see
- * lock_packed_refs()).  Return zero on success.
- * Sets errno to something meaningful on error.
- */
-extern int commit_packed_refs(void);
-
-/*
- * Rollback the lockfile for the packed-refs file, and discard the
- * in-memory packed reference cache.  (The packed-refs file will be
- * read anew if it is needed again after this function is called.)
- */
-extern void rollback_packed_refs(void);
-
-/*
  * Flags for controlling behaviour of pack_refs()
  * PACK_REFS_PRUNE: Prune loose refs after packing
  * PACK_REFS_ALL:   Pack _all_ refs, not just tags and already packed refs
-- 
2.1.0.rc2.206.gedb03e5