Use struct commit in tar-tree

diff --git a/diff.c b/diff.c
index 17d68fa699f7c88aef8e6c1a0812575bfaec70e1..8ae6dbc64e3c6c96e37755644d14998dc6e44a5a 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -723,7 +723,7 @@ static void run_diff(struct diff_filepair *p, struct diff_options *o)
 
        if (memcmp(one->sha1, two->sha1, 20)) {
                char one_sha1[41];
-               int abbrev = o->full_index ? 40 : DIFF_DEFAULT_INDEX_ABBREV;
+               int abbrev = o->full_index ? 40 : DEFAULT_ABBREV;
                memcpy(one_sha1, sha1_to_hex(one->sha1), 41);
 
                len += snprintf(msg + len, sizeof(msg) - len,
@@ -846,9 +846,14 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
        else if (!strcmp(arg, "--find-copies-harder"))
                options->find_copies_harder = 1;
        else if (!strcmp(arg, "--abbrev"))
-               options->abbrev = DIFF_DEFAULT_ABBREV;
-       else if (!strncmp(arg, "--abbrev=", 9))
+               options->abbrev = DEFAULT_ABBREV;
+       else if (!strncmp(arg, "--abbrev=", 9)) {
                options->abbrev = strtoul(arg + 9, NULL, 10);
+               if (options->abbrev < MINIMUM_ABBREV)
+                       options->abbrev = MINIMUM_ABBREV;
+               else if (40 < options->abbrev)
+                       options->abbrev = 40;
+       }
        else
                return 0;
        return 1;