$ git clone -n https://src.fedoraproject.org/rpms/deepin-mutter.git /var/lib/mock/f31-build-68309-30173/root/chroot_tmpdir/scmroot/deepin-mutter
Cloning into '/var/lib/mock/f31-build-68309-30173/root/chroot_tmpdir/scmroot/deepin-mutter'...
$ git reset --hard 9e871cbfd040e2e6842d7321199facff2c69bf43
HEAD is now at 9e871cb - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild