$ git clone -n https://src.fedoraproject.org/rpms/perl-PPI-PowerToys.git /var/lib/mock/f45-build-25625-612/root/chroot_tmpdir/scmroot/perl-PPI-PowerToys
Cloning into '/var/lib/mock/f45-build-25625-612/root/chroot_tmpdir/scmroot/perl-PPI-PowerToys'...
$ git fetch origin 1d026e46f9db451e5bffebc9c56f0de2d4b2d7da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PPI-PowerToys
 * [new ref]         1d026e46f9db451e5bffebc9c56f0de2d4b2d7da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d026e4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild