X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=revision.c;h=42c077a4cbc74b99dac516a0d55110892c1a132f;hb=136f2e548a34f1f504b0f062f87ddf33e8d6e83b;hp=c6e8702f380ccb9be914ae7608e9f6c3ec77d796;hpb=935e714204fe167aa6172a733e7131ee5b4577f4;p=git.git

diff --git a/revision.c b/revision.c
index c6e8702f..42c077a4 100644
--- a/revision.c
+++ b/revision.c
@@ -694,6 +694,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 			}
 			if (!strcmp(arg, "-c")) {
 				revs->diff = 1;
+				revs->dense_combined_merges = 0;
 				revs->combine_merges = 1;
 				continue;
 			}
@@ -732,6 +733,14 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 				revs->abbrev = DEFAULT_ABBREV;
 				continue;
 			}
+			if (!strncmp(arg, "--abbrev=", 9)) {
+				revs->abbrev = strtoul(arg + 9, NULL, 10);
+				if (revs->abbrev < MINIMUM_ABBREV)
+					revs->abbrev = MINIMUM_ABBREV;
+				else if (revs->abbrev > 40)
+					revs->abbrev = 40;
+				continue;
+			}
 			if (!strcmp(arg, "--abbrev-commit")) {
 				revs->abbrev_commit = 1;
 				continue;
@@ -793,7 +802,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 			local_flags = UNINTERESTING;
 			arg++;
 		}
-		if (get_sha1(arg, sha1) < 0) {
+		if (get_sha1(arg, sha1)) {
 			int j;
 
 			if (seen_dashdash || local_flags)
@@ -819,7 +828,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 	if (def && !revs->pending_objects) {
 		unsigned char sha1[20];
 		struct object *object;
-		if (get_sha1(def, sha1) < 0)
+		if (get_sha1(def, sha1))
 			die("bad default revision '%s'", def);
 		object = get_reference(revs, def, sha1, 0);
 		add_pending_object(revs, object, def);