$ git clone -n https://src.fedoraproject.org/rpms/perl-Dist-Zilla-Plugins-CJM.git /var/lib/mock/f45-build-23241-596/root/chroot_tmpdir/scmroot/perl-Dist-Zilla-Plugins-CJM
Cloning into '/var/lib/mock/f45-build-23241-596/root/chroot_tmpdir/scmroot/perl-Dist-Zilla-Plugins-CJM'...
$ git fetch origin 6a04d7438396026701c3d71904f8a31e06cae841:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Dist-Zilla-Plugins-CJM
 * [new ref]         6a04d7438396026701c3d71904f8a31e06cae841 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a04d74 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild