$ git clone -n https://gitee.com/fundawang/mutter.git /var/lib/mock/dist-an23-build-217882-62027/root/chroot_tmpdir/scmroot/mutter
Cloning into '/var/lib/mock/dist-an23-build-217882-62027/root/chroot_tmpdir/scmroot/mutter'...
$ git reset --hard d121ac8d7e74b0d65f7865806475d33e9a17c8d0
HEAD is now at d121ac8 42.8