$ git clone -n https://gitee.com/zhoujiajia111/filesystem.git /var/lib/mock/dist-an23.3-build-434332-73067/root/chroot_tmpdir/scmroot/filesystem
Cloning into '/var/lib/mock/dist-an23.3-build-434332-73067/root/chroot_tmpdir/scmroot/filesystem'...
$ git fetch origin e5b46d2f8dd2ba37f6af73f3ac1551afce08b7d5:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/filesystem
 * [new ref]         e5b46d2f8dd2ba37f6af73f3ac1551afce08b7d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5b46d2 update filesystem.spec.