[PATCH 1/4] export get_short_sha1

[skimo@liacs.nl]

From: Sven Verdoolaege <skimo@kotnet.org>

Sometimes it is useful to check whether a given string
is exactly a short SHA1.

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
---
 cache.h     |    1 +
 sha1_name.c |    3 +--
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/cache.h b/cache.h
index e64071e..8fda8ee 100644
--- a/cache.h
+++ b/cache.h
@@ -391,6 +391,7 @@ static inline unsigned int hexval(unsigned char c)
 
 extern int get_sha1(const char *str, unsigned char *sha1);
 extern int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode);
+extern int get_short_sha1(const char *name, int len, unsigned char *sha1, int quietly);
 extern int get_sha1_hex(const char *hex, unsigned char *sha1);
 extern char *sha1_to_hex(const unsigned char *sha1);	/* static buffer result! */
 extern int read_ref(const char *filename, unsigned char *sha1);
diff --git a/sha1_name.c b/sha1_name.c
index 858f08c..0bed79d 100644
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -154,8 +154,7 @@ static int find_unique_short_object(int len, char *canonical,
 	return 0;
 }
 
-static int get_short_sha1(const char *name, int len, unsigned char *sha1,
-			  int quietly)
+int get_short_sha1(const char *name, int len, unsigned char *sha1, int quietly)
 {
 	int i, status;
 	char canonical[40];
-- 
1.5.3.rc0.68.geec71-dirty