$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell.git /var/lib/mock/f33-build-342345-58673/root/chroot_tmpdir/scmroot/gnome-shell
Cloning into '/var/lib/mock/f33-build-342345-58673/root/chroot_tmpdir/scmroot/gnome-shell'...
$ git reset --hard ac3421008524f664f4178354e26b6f32c91578b0
HEAD is now at ac34210 Add PolicyKit-authentication-agent virtual provides