git-tar-tree: no more void pointer arithmetic

[git.git] / builtin-diff-tree.c

diff --git a/builtin-diff-tree.c b/builtin-diff-tree.c
index cc53b81..58cf658 100644 (file)
--- a/builtin-diff-tree.c
+++ b/builtin-diff-tree.c
@@ -138,11 +138,15 @@ int cmd_diff_tree(int argc, const char **argv, char **envp)
        if (opt->diffopt.detect_rename)
                opt->diffopt.setup |= (DIFF_SETUP_USE_SIZE_CACHE |
                                       DIFF_SETUP_USE_CACHE);
-       while (fgets(line, sizeof(line), stdin))
-               if (line[0] == '\n')
+       while (fgets(line, sizeof(line), stdin)) {
+               unsigned char sha1[20];
+
+               if (get_sha1_hex(line, sha1)) {
+                       fputs(line, stdout);
                        fflush(stdout);
+               }
                else
                        diff_tree_stdin(line);
-
+       }
        return 0;
 }