[PATCH v2 14/23] refs-common.c: move names_conflict to the common code

[Ronnie Sahlberg <sahlberg@google.com>]

Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
---
 refs-common.c |  8 ++++++++
 refs.c        | 14 --------------
 refs.h        |  9 +++++++++
 3 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/refs-common.c b/refs-common.c
index 5f83d7e..6eef80b 100644
--- a/refs-common.c
+++ b/refs-common.c
@@ -3,6 +3,14 @@
 #include "refs.h"
 #include "string-list.h"
 
+int names_conflict(const char *refname1, const char *refname2)
+{
+	for (; *refname1 && *refname1 == *refname2; refname1++, refname2++)
+		;
+	return (*refname1 == '\0' && *refname2 == '/')
+		|| (*refname1 == '/' && *refname2 == '\0');
+}
+
 int is_branch(const char *refname)
 {
 	return !strcmp(refname, "HEAD") || starts_with(refname, "refs/heads/");
diff --git a/refs.c b/refs.c
index 70c034c..6542969 100644
--- a/refs.c
+++ b/refs.c
@@ -676,20 +676,6 @@ static void prime_ref_dir(struct ref_dir *dir)
 			prime_ref_dir(get_ref_dir(entry));
 	}
 }
-/*
- * Return true iff refname1 and refname2 conflict with each other.
- * Two reference names conflict if one of them exactly matches the
- * leading components of the other; e.g., "foo/bar" conflicts with
- * both "foo" and with "foo/bar/baz" but not with "foo/bar" or
- * "foo/barbados".
- */
-static int names_conflict(const char *refname1, const char *refname2)
-{
-	for (; *refname1 && *refname1 == *refname2; refname1++, refname2++)
-		;
-	return (*refname1 == '\0' && *refname2 == '/')
-		|| (*refname1 == '/' && *refname2 == '\0');
-}
 
 struct name_conflict_cb {
 	const char *refname;
diff --git a/refs.h b/refs.h
index d526da0..a14fc5d 100644
--- a/refs.h
+++ b/refs.h
@@ -128,6 +128,15 @@ int pack_refs(unsigned int flags, struct strbuf *err);
 
 extern int ref_exists(const char *);
 
+/*
+ * Return true iff refname1 and refname2 conflict with each other.
+ * Two reference names conflict if one of them exactly matches the
+ * leading components of the other; e.g., "foo/bar" conflicts with
+ * both "foo" and with "foo/bar/baz" but not with "foo/bar" or
+ * "foo/barbados".
+ */
+int names_conflict(const char *refname1, const char *refname2);
+
 extern int is_branch(const char *refname);
 
 /*
-- 
2.0.1.556.g3edca4c