combine-diff: better hunk splitting.

diff --git a/sha1_name.c b/sha1_name.c
index 49e2cc394f2ebe710ccdbe0aff63eeda90d4718b..e18a96d772f4186cfaffe6053a3f1664a9fdad3f 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -143,7 +143,7 @@ static int find_unique_short_object(int len, char *canonical,
        }
        /* Both have unique ones -- do they match? */
        if (memcmp(packed_sha1, unpacked_sha1, 20))
-               return -2;
+               return SHORT_NAME_AMBIGUOUS;
        memcpy(sha1, packed_sha1, 20);
        return 0;
 }
@@ -188,7 +188,10 @@ const char *find_unique_abbrev(const unsigned char *sha1, int len)
 {
        int status;
        static char hex[41];
+
        memcpy(hex, sha1_to_hex(sha1), 40);
+       if (len == 40)
+               return hex;
        while (len < 40) {
                unsigned char sha1_ret[20];
                status = get_short_sha1(hex, len, sha1_ret, 1);
@@ -223,7 +226,7 @@ static int ambiguous_path(const char *path, int len)
                        slash = 0;
                        continue;
                }
-               return slash;
+               break;
        }
        return slash;
 }