$ git clone -n https://src.fedoraproject.org/rpms/launchy.git /var/lib/mock/f41-build-1028847-18369/root/chroot_tmpdir/scmroot/launchy
Cloning into '/var/lib/mock/f41-build-1028847-18369/root/chroot_tmpdir/scmroot/launchy'...
$ git fetch origin 1da896f9c4a02f018c619b266c4d6f65d183b244:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/launchy
 * [new ref]         1da896f9c4a02f018c619b266c4d6f65d183b244 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1da896f convert GPL+ license to SPDX