$ git clone -n https://src.fedoraproject.org/rpms/pymilia.git /var/lib/mock/f41-build-side-2-python-2726135-30762/root/chroot_tmpdir/scmroot/pymilia
Cloning into '/var/lib/mock/f41-build-side-2-python-2726135-30762/root/chroot_tmpdir/scmroot/pymilia'...
$ git fetch origin 7b47d55a82368c1a8daa4e72813c8e0ed5ca79ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pymilia
 * [new ref]         7b47d55a82368c1a8daa4e72813c8e0ed5ca79ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b47d55 convert GPLv3+ license to SPDX