$ git clone -n https://src.fedoraproject.org/rpms/perl-JSON-Color.git /var/lib/mock/f45-build-24331-603/root/chroot_tmpdir/scmroot/perl-JSON-Color
Cloning into '/var/lib/mock/f45-build-24331-603/root/chroot_tmpdir/scmroot/perl-JSON-Color'...
$ git fetch origin ec426118d2e688459435fe149836e726f5610679:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-JSON-Color
 * [new ref]         ec426118d2e688459435fe149836e726f5610679 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec42611 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild