$ git clone -n https://src.fedoraproject.org/rpms/perl-ColorThemes-Standard.git /var/lib/mock/f45-build-22427-591/root/chroot_tmpdir/scmroot/perl-ColorThemes-Standard
Cloning into '/var/lib/mock/f45-build-22427-591/root/chroot_tmpdir/scmroot/perl-ColorThemes-Standard'...
$ git fetch origin 3ab03e82769c26df5c8d79be2f5b1409907f1025:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-ColorThemes-Standard
 * [new ref]         3ab03e82769c26df5c8d79be2f5b1409907f1025 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ab03e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild