$ git clone -n https://src.fedoraproject.org/rpms/perl-Shipwright.git /var/lib/mock/f45-build-26181-616/root/chroot_tmpdir/scmroot/perl-Shipwright
Cloning into '/var/lib/mock/f45-build-26181-616/root/chroot_tmpdir/scmroot/perl-Shipwright'...
$ git fetch origin a165e47aa0f0c82ec7f1a32defac455402a9b2cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Shipwright
 * [new ref]         a165e47aa0f0c82ec7f1a32defac455402a9b2cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a165e47 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild