$ git clone -n https://src.fedoraproject.org/rpms/perl-PPIx-Utils.git /var/lib/mock/f45-build-25654-612/root/chroot_tmpdir/scmroot/perl-PPIx-Utils
Cloning into '/var/lib/mock/f45-build-25654-612/root/chroot_tmpdir/scmroot/perl-PPIx-Utils'...
$ git fetch origin 3f57b4979b0a20879f5b419a3f121abe9491b206:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PPIx-Utils
 * [new ref]         3f57b4979b0a20879f5b419a3f121abe9491b206 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f57b49 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild