$ git clone -n https://src.fedoraproject.org/rpms/wlroots.git /var/lib/mock/f41-build-853980-166804/root/chroot_tmpdir/scmroot/wlroots
Cloning into '/var/lib/mock/f41-build-853980-166804/root/chroot_tmpdir/scmroot/wlroots'...
$ git fetch origin ebd7df88f6dcfbfebe584c68ab0741e82d1de74a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wlroots
 * [new ref]         ebd7df88f6dcfbfebe584c68ab0741e82d1de74a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ebd7df8 Update to 0.18.1 (#2313753)