Merge branch 'jc/maint-format-patch' into maint

diff --git a/builtin-log.c b/builtin-log.c
index 840daf907897391fb193706982e2274c2a9e1014..4420b4fd4f871d1284b90e80fa58fbe529b61592 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -340,7 +340,13 @@ int cmd_show(int argc, const char **argv, const char *prefix)
                                        t->tag,
                                        diff_get_color_opt(&rev.diffopt, DIFF_RESET));
                        ret = show_object(o->sha1, 1, &rev);
-                       objects[i].item = parse_object(t->tagged->sha1);
+                       if (ret)
+                               break;
+                       o = parse_object(t->tagged->sha1);
+                       if (!o)
+                               ret = error("Could not read object %s",
+                                           sha1_to_hex(t->tagged->sha1));
+                       objects[i].item = o;
                        i--;
                        break;
                }
@@ -938,6 +944,13 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                 * get_revision() to do the usual traversal.
                 */
        }
+
+       /*
+        * We cannot move this anywhere earlier because we do want to
+        * know if --root was given explicitly from the comand line.
+        */
+       rev.show_root_diff = 1;
+
        if (cover_letter) {
                /* remember the range */
                int i;