$ git clone -n https://src.fedoraproject.org/rpms/perl-CatalystX-InjectComponent.git /var/lib/mock/f45-build-22251-590/root/chroot_tmpdir/scmroot/perl-CatalystX-InjectComponent
Cloning into '/var/lib/mock/f45-build-22251-590/root/chroot_tmpdir/scmroot/perl-CatalystX-InjectComponent'...
$ git fetch origin 28f8f58dd9b84b4d8141b1503c71d414408093ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CatalystX-InjectComponent
 * [new ref]         28f8f58dd9b84b4d8141b1503c71d414408093ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28f8f58 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild