$ git clone -n https://src.fedoraproject.org/rpms/ipa-mincho-fonts.git /var/lib/mock/f45-build-14183-457/root/chroot_tmpdir/scmroot/ipa-mincho-fonts
Cloning into '/var/lib/mock/f45-build-14183-457/root/chroot_tmpdir/scmroot/ipa-mincho-fonts'...
$ git fetch origin 5631bfd2de85c0c58d3bc91772d9a37a27614c69:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ipa-mincho-fonts
 * [new ref]         5631bfd2de85c0c58d3bc91772d9a37a27614c69 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5631bfd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild