$ git clone -n https://src.fedoraproject.org/rpms/chrome-gnome-shell.git /var/lib/mock/f31-build-56918-28271/root/chroot_tmpdir/scmroot/chrome-gnome-shell
Cloning into '/var/lib/mock/f31-build-56918-28271/root/chroot_tmpdir/scmroot/chrome-gnome-shell'...
$ git reset --hard 69dc3688c75b566102475f7bf8a1553c03da019b
HEAD is now at 69dc368 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild