$ git clone -n https://src.fedoraproject.org/rpms/molsketch.git /var/lib/mock/f41-build-side-1-2794125-32700/root/chroot_tmpdir/scmroot/molsketch
Cloning into '/var/lib/mock/f41-build-side-1-2794125-32700/root/chroot_tmpdir/scmroot/molsketch'...
$ git fetch origin b5b3c2fd5b9fba7bf96f903ecc4b4687074ad968:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/molsketch
 * [new ref]         b5b3c2fd5b9fba7bf96f903ecc4b4687074ad968 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5b3c2f convert GPLv2+ license to SPDX