$ git clone -n https://src.fedoraproject.org/rpms/lightdm.git /var/lib/mock/f38-build-713551-94490/root/chroot_tmpdir/scmroot/lightdm
Cloning into '/var/lib/mock/f38-build-713551-94490/root/chroot_tmpdir/scmroot/lightdm'...
$ git reset --hard e90900ff0ac1ec85e28cc690778716208cebbc0e
HEAD is now at e90900f fix