$ git clone -n https://gitee.com/fe_zhang/mutter.git /var/lib/mock/dist-an23-build-233607-62664/root/chroot_tmpdir/scmroot/mutter
Cloning into '/var/lib/mock/dist-an23-build-233607-62664/root/chroot_tmpdir/scmroot/mutter'...
$ git reset --hard 7becf10d5a0c32a3a0418dea7a90d104d0886c18
HEAD is now at 7becf10 Rebuild with gnome-desktop3-44~beta