$ git clone -n https://src.fedoraproject.org/rpms/ghc-protolude.git /var/lib/mock/f45-build-10642-419/root/chroot_tmpdir/scmroot/ghc-protolude
Cloning into '/var/lib/mock/f45-build-10642-419/root/chroot_tmpdir/scmroot/ghc-protolude'...
$ git fetch origin 03e4733b03ba57bfdf6176a6ae9aa87145fa6131:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-protolude
 * [new ref]         03e4733b03ba57bfdf6176a6ae9aa87145fa6131 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03e4733 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild