$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-CSV.git /var/lib/mock/f45-build-22312-590/root/chroot_tmpdir/scmroot/perl-Class-CSV
Cloning into '/var/lib/mock/f45-build-22312-590/root/chroot_tmpdir/scmroot/perl-Class-CSV'...
$ git fetch origin 9fc3603aa7d5fe2124fc58498a2e9e35024dd61b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Class-CSV
 * [new ref]         9fc3603aa7d5fe2124fc58498a2e9e35024dd61b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9fc3603 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild