$ git clone -n https://src.fedoraproject.org/rpms/perl-Catalyst-Runtime.git /var/lib/mock/f45-build-22223-590/root/chroot_tmpdir/scmroot/perl-Catalyst-Runtime
Cloning into '/var/lib/mock/f45-build-22223-590/root/chroot_tmpdir/scmroot/perl-Catalyst-Runtime'...
$ git fetch origin 67fe38330274ca45e141fd2333595e0e2aafe79f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Catalyst-Runtime
 * [new ref]         67fe38330274ca45e141fd2333595e0e2aafe79f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67fe383 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild