builtin/reset: convert use of EMPTY_TREE_SHA1_BIN

diff --git a/revision.c b/revision.c
index ce0e7b71f2b8d9035f863186c5519951a1049880..daf7fe6ff4c173d7a7cd920019cea4bd7d308965 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -1751,6 +1751,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
        const char *arg = argv[0];
        const char *optarg;
        int argcount;
+       const unsigned hexsz = the_hash_algo->hexsz;
 
        /* pseudo revision arguments */
        if (!strcmp(arg, "--all") || !strcmp(arg, "--branches") ||
@@ -2038,8 +2039,8 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
                revs->abbrev = strtoul(optarg, NULL, 10);
                if (revs->abbrev < MINIMUM_ABBREV)
                        revs->abbrev = MINIMUM_ABBREV;
-               else if (revs->abbrev > 40)
-                       revs->abbrev = 40;
+               else if (revs->abbrev > hexsz)
+                       revs->abbrev = hexsz;
        } else if (!strcmp(arg, "--abbrev-commit")) {
                revs->abbrev_commit = 1;
                revs->abbrev_commit_given = 1;