$ git clone -n https://src.fedoraproject.org/rpms/perl-Path-Class.git /var/lib/mock/f45-build-25704-612/root/chroot_tmpdir/scmroot/perl-Path-Class
Cloning into '/var/lib/mock/f45-build-25704-612/root/chroot_tmpdir/scmroot/perl-Path-Class'...
$ git fetch origin a284540a7b412744b7007942e7c378da37ba30fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Path-Class
 * [new ref]         a284540a7b412744b7007942e7c378da37ba30fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a284540 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild