Merge branch 'master' into js/fmt-patch

* master: (119 commits)
  diff family: add --check option
  Document that "git add" only adds non-ignored files.
  Add a conversion tool to migrate remote information into the config
  fetch, pull: ask config for remote information
  Fix build procedure for builtin-init-db
  read-tree -m -u: do not overwrite or remove untracked working tree files.
  apply --cached: do not check newly added file in the working tree
  Implement a --dry-run option to git-quiltimport
  Implement git-quiltimport
  Revert "builtin-grep: workaround for non GNU grep."
  builtin-grep: workaround for non GNU grep.
  builtin-grep: workaround for non GNU grep.
  git-am: use apply --cached
  apply --cached: apply a patch without using working tree.
  apply --numstat: show new name, not old name.
  Documentation/Makefile: create tarballs for the man pages and html files
  Allow pickaxe and diff-filter options to be used by git log.
  Libify the index refresh logic
  Builtin git-init-db
  Remove unnecessary local in get_ref_sha1.
  ...

1 files changed, 20 insertions, 8 deletions

diff --git a/refs.c b/refs.c
index 275b914b2b..0f3491f871 100644
--- a/refs.c
+++ b/refs.c
@@ -114,7 +114,7 @@ int read_ref(const char *filename, unsigned char *sha1)
 	return -1;
 }
 
-static int do_for_each_ref(const char *base, int (*fn)(const char *path, const unsigned char *sha1))
+static int do_for_each_ref(const char *base, int (*fn)(const char *path, const unsigned char *sha1), int trim)
 {
 	int retval = 0;
 	DIR *dir = opendir(git_path("%s", base));
@@ -146,7 +146,7 @@ static int do_for_each_ref(const char *base, int (*fn)(const char *path, const u
 			if (stat(git_path("%s", path), &st) < 0)
 				continue;
 			if (S_ISDIR(st.st_mode)) {
-				retval = do_for_each_ref(path, fn);
+				retval = do_for_each_ref(path, fn, trim);
 				if (retval)
 					break;
 				continue;
@@ -160,7 +160,7 @@ static int do_for_each_ref(const char *base, int (*fn)(const char *path, const u
 				      "commit object!", path);
 				continue;
 			}
-			retval = fn(path, sha1);
+			retval = fn(path + trim, sha1);
 			if (retval)
 				break;
 		}
@@ -180,7 +180,22 @@ int head_ref(int (*fn)(const char *path, const unsigned char *sha1))
 
 int for_each_ref(int (*fn)(const char *path, const unsigned char *sha1))
 {
-	return do_for_each_ref("refs", fn);
+	return do_for_each_ref("refs", fn, 0);
+}
+
+int for_each_tag_ref(int (*fn)(const char *path, const unsigned char *sha1))
+{
+	return do_for_each_ref("refs/tags", fn, 10);
+}
+
+int for_each_branch_ref(int (*fn)(const char *path, const unsigned char *sha1))
+{
+	return do_for_each_ref("refs/heads", fn, 11);
+}
+
+int for_each_remote_ref(int (*fn)(const char *path, const unsigned char *sha1))
+{
+	return do_for_each_ref("refs/remotes", fn, 13);
 }
 
 static char *ref_file_name(const char *ref)
@@ -205,12 +220,9 @@ static char *ref_lock_file_name(const char *ref)
 
 int get_ref_sha1(const char *ref, unsigned char *sha1)
 {
-	const char *filename;
-
 	if (check_ref_format(ref))
 		return -1;
-	filename = git_path("refs/%s", ref);
-	return read_ref(filename, sha1);
+	return read_ref(git_path("refs/%s", ref), sha1);
 }
 
 static int lock_ref_file(const char *filename, const char *lock_filename,