bisect: check for mandatory argument of 'bisect replay'

diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index e852890862e12c9ebeec087e6ada6fde59a75efc..e243d9d22ea90603f0ed7754e943763055fe4bbd 100644 (file)
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -161,7 +161,7 @@ static void use(int bytes)
        input_offset += bytes;
 
        /* make sure off_t is sufficiently large not to wrap */
-       if (consumed_bytes > consumed_bytes + bytes)
+       if (signed_add_overflows(consumed_bytes, bytes))
                die("pack too large for current definition of off_t");
        consumed_bytes += bytes;
 }
@@ -884,6 +884,8 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
        if (argc == 2 && !strcmp(argv[1], "-h"))
                usage(index_pack_usage);
 
+       read_replace_refs = 0;
+
        git_config(git_index_pack_config, NULL);
        if (prefix && chdir(prefix))
                die("Cannot come back to cwd");