$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcrash.git /var/lib/mock/f40-build-2222169-52700/root/chroot_tmpdir/scmroot/kf6-kcrash
Cloning into '/var/lib/mock/f40-build-2222169-52700/root/chroot_tmpdir/scmroot/kf6-kcrash'...
$ git fetch origin 3f52c307f7058036e8300d1b8a6ca90adfc1e27d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcrash
 * [new ref]         3f52c307f7058036e8300d1b8a6ca90adfc1e27d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f52c30 5.248.0