$ git clone -n https://gitee.com/gcdota930915/mutter.git /var/lib/mock/dist-an8.7-build-269568-64112/root/chroot_tmpdir/scmroot/mutter
Cloning into '/var/lib/mock/dist-an8.7-build-269568-64112/root/chroot_tmpdir/scmroot/mutter'...
$ git reset --hard cd9cf9a32470910189c1f47257c05808b73f58a0
HEAD is now at cd9cf9a Add doc sub package