git-format-patch --start-number <n>

diff --git a/revision.c b/revision.c
index c6e8702f380ccb9be914ae7608e9f6c3ec77d796..2294b16ea2aa0b508073e7800ccb5975a2254301 100644 (file)
--- 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;
                        }
@@ -793,7 +794,7 @@ 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 +820,7 @@ 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);