Move fetch_ref from http-push.c and http-walker.c to http.c

Make the necessary changes to be ok with their difference, and rename the
function http_fetch_ref.

Signed-off-by: Mike Hommey <mh@glandium.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/http.h b/http.h
index 1528d4196f..aeba9301f8 100644
--- a/http.h
+++ b/http.h
@@ -96,4 +96,6 @@ static inline int missing__target(int code, int result)
 
 #define missing_target(a) missing__target((a)->http_code, (a)->curl_result)
 
+extern int http_fetch_ref(const char *base, const char *ref, unsigned char *sha1);
+
 #endif /* HTTP_H */