am: suppress apply errors when using 3-way

diff --git a/builtin-diff-tree.c b/builtin-diff-tree.c
index 1138c2da733bfe2730bbcb95d2a281de12595bde..79cedb72c44dca3edf400d86e401a93531b54407 100644 (file)
--- a/builtin-diff-tree.c
+++ b/builtin-diff-tree.c
@@ -71,8 +71,9 @@ static int diff_tree_stdin(char *line)
        line[len-1] = 0;
        if (get_sha1_hex(line, sha1))
                return -1;
-       obj = lookup_object(sha1);
-       obj = obj ? obj : parse_object(sha1);
+       obj = lookup_unknown_object(sha1);
+       if (!obj || !obj->parsed)
+               obj = parse_object(sha1);
        if (!obj)
                return -1;
        if (obj->type == OBJ_COMMIT)
@@ -101,7 +102,6 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
 
        init_revisions(opt, prefix);
        git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
-       nr_sha1 = 0;
        opt->abbrev = 0;
        opt->diff = 1;
        argc = setup_revisions(argc, argv, opt, NULL);