diff --git a/builtin-read-tree.c b/builtin-read-tree.c
index 6df5d7c5cb..122b6f130b 100644
--- a/builtin-read-tree.c
+++ b/builtin-read-tree.c
@@ -507,7 +507,7 @@ static int merged_entry(struct cache_entry *merge, struct cache_entry *old)
 	}
 
 	merge->ce_flags &= ~htons(CE_STAGEMASK);
-	add_cache_entry(merge, ADD_CACHE_OK_TO_ADD);
+	add_cache_entry(merge, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE);
 	return 1;
 }
 
@@ -518,7 +518,7 @@ static int deleted_entry(struct cache_entry *ce, struct cache_entry *old)
 	else
 		verify_absent(ce->name, "removed");
 	ce->ce_mode = 0;
-	add_cache_entry(ce, ADD_CACHE_OK_TO_ADD);
+	add_cache_entry(ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE);
 	invalidate_ce_path(ce);
 	return 1;
 }
diff --git a/builtin-show-branch.c b/builtin-show-branch.c
index 260cb221b9..3d240ca435 100644
--- a/builtin-show-branch.c
+++ b/builtin-show-branch.c
@@ -172,7 +172,7 @@ static void name_commits(struct commit_list *list,
 static int mark_seen(struct commit *commit, struct commit_list **seen_p)
 {
 	if (!commit->object.flags) {
-		insert_by_date(commit, seen_p);
+		commit_list_insert(commit, seen_p);
 		return 1;
 	}
 	return 0;
@@ -218,9 +218,8 @@ static void join_revs(struct commit_list **list_p,
 	 * Postprocess to complete well-poisoning.
 	 *
 	 * At this point we have all the commits we have seen in
-	 * seen_p list (which happens to be sorted chronologically but
-	 * it does not really matter).  Mark anything that can be
-	 * reached from uninteresting commits not interesting.
+	 * seen_p list.  Mark anything that can be reached from
+	 * uninteresting commits not interesting.
 	 */
 	for (;;) {
 		int changed = 0;
@@ -701,6 +700,8 @@ int cmd_show_branch(int ac, const char **av, char **envp)
 	if (0 <= extra)
 		join_revs(&list, &seen, num_rev, extra);
 
+	sort_by_date(&seen);
+
 	if (merge_base)
 		return show_merge_base(seen, num_rev);
 
diff --git a/git-svn.perl b/git-svn.perl
index 4530ffe42c..89ad840dbf 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -147,7 +147,7 @@ init_vars();
 load_authors() if $_authors;
 load_all_refs() if $_branch_all_refs;
 svn_compat_check() unless $_use_lib;
-migration_check() unless $cmd =~ /^(?:init|rebuild|multi-init)$/;
+migration_check() unless $cmd =~ /^(?:init|rebuild|multi-init|commit-diff)$/;
 $cmd{$cmd}->[0]->(@ARGV);
 exit 0;