alloc_ref_from_str(): factor out a common pattern of alloc_ref from string

Also fix an underallocation in walker.c::interpret_target().

Signed-off-by: Krzysztof Kowalczyk <kkowalczyk@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/remote.h b/remote.h
index 75d006b6de..2ee83a33b3 100644
--- a/remote.h
+++ b/remote.h
@@ -54,6 +54,8 @@ struct refspec {
 
 struct ref *alloc_ref(unsigned namelen);
 
+struct ref *alloc_ref_from_str(const char* str);
+
 struct ref *copy_ref_list(const struct ref *ref);
 
 int check_ref_type(const struct ref *ref, int flags);