$ git clone -n https://gitee.com/guyvwang/acl /var/lib/mock/dist-an23-build-185771-60629/root/chroot_tmpdir/scmroot/acl
Cloning into '/var/lib/mock/dist-an23-build-185771-60629/root/chroot_tmpdir/scmroot/acl'...
$ git fetch origin 84f5aa41b30d48768e175a2632564b6b1dcac36e:KOJI_FETCH_HEAD
From https://gitee.com/guyvwang/acl
 * [new ref]         84f5aa41b30d48768e175a2632564b6b1dcac36e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84f5aa4 update spec file