$ git clone -n https://src.fedoraproject.org/rpms/minidlna.git /var/lib/mock/f45-build-18881-533/root/chroot_tmpdir/scmroot/minidlna
Cloning into '/var/lib/mock/f45-build-18881-533/root/chroot_tmpdir/scmroot/minidlna'...
$ git fetch origin 3c14c4b64e21ad344c77d8109133d0214dc20450:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/minidlna
 * [new ref]         3c14c4b64e21ad344c77d8109133d0214dc20450 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c14c4b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild