$ git clone -n https://src.fedoraproject.org/rpms/tilix.git /var/lib/mock/f38-build-side-42-init-devel-1283153-30672/root/chroot_tmpdir/scmroot/tilix
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1283153-30672/root/chroot_tmpdir/scmroot/tilix'...
$ git fetch origin 8aa01290dc2fba8feeef6a5b51558c312728e10a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tilix
 * [new ref]         8aa01290dc2fba8feeef6a5b51558c312728e10a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8aa0129 Switch to undeaD xml library