$ git clone -n https://src.fedoraproject.org/rpms/perl-Catalyst-Plugin-Cache.git /var/lib/mock/f45-build-22172-590/root/chroot_tmpdir/scmroot/perl-Catalyst-Plugin-Cache
Cloning into '/var/lib/mock/f45-build-22172-590/root/chroot_tmpdir/scmroot/perl-Catalyst-Plugin-Cache'...
$ git fetch origin 407dde99397e0bb3e57c618f89f8f1c7abd5609b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Catalyst-Plugin-Cache
 * [new ref]         407dde99397e0bb3e57c618f89f8f1c7abd5609b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 407dde9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild