$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell.git /var/lib/mock/f33-build-145382-42950/root/chroot_tmpdir/scmroot/gnome-shell
Cloning into '/var/lib/mock/f33-build-145382-42950/root/chroot_tmpdir/scmroot/gnome-shell'...
$ git reset --hard c41301197e0aa2bccd2bb951bfedca8fbe2247de
HEAD is now at c413011 Clear environment on logout