$ git clone -n https://src.fedoraproject.org/rpms/mimic.git /var/lib/mock/f41-build-side-1-2658638-28572/root/chroot_tmpdir/scmroot/mimic
Cloning into '/var/lib/mock/f41-build-side-1-2658638-28572/root/chroot_tmpdir/scmroot/mimic'...
$ git fetch origin d47ce8a73d4df7719e977e52f6b7aa087b1d7580:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mimic
 * [new ref]         d47ce8a73d4df7719e977e52f6b7aa087b1d7580 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d47ce8a convert license to SPDX