$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell.git /var/lib/mock/f31-build-96974-32906/root/chroot_tmpdir/scmroot/gnome-shell
Cloning into '/var/lib/mock/f31-build-96974-32906/root/chroot_tmpdir/scmroot/gnome-shell'...
$ git reset --hard 4114feb8e58ca36aae2ca6773bde556ec5c22549
HEAD is now at 4114feb Drop unused control-center BuildRequires