$ git clone -n https://src.fedoraproject.org/rpms/lld16.git /var/lib/mock/f41-build-side-1-2812347-32939/root/chroot_tmpdir/scmroot/lld16
Cloning into '/var/lib/mock/f41-build-side-1-2812347-32939/root/chroot_tmpdir/scmroot/lld16'...
$ git fetch origin 5f1b33d26803948b1da636994a5daa9efc9109f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lld16
 * [new ref]         5f1b33d26803948b1da636994a5daa9efc9109f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f1b33d This package is not supported anymore