$ git clone -n https://src.fedoraproject.org/rpms/perl-Catalyst-Component-InstancePerContext.git /var/lib/mock/f45-build-22228-590/root/chroot_tmpdir/scmroot/perl-Catalyst-Component-InstancePerContext
Cloning into '/var/lib/mock/f45-build-22228-590/root/chroot_tmpdir/scmroot/perl-Catalyst-Component-InstancePerContext'...
$ git fetch origin 8491413c151259f14827ab38f51e4475ac9722ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Catalyst-Component-InstancePerContext
 * [new ref]         8491413c151259f14827ab38f51e4475ac9722ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8491413 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild