$ git clone -n https://src.fedoraproject.org/rpms/ghc-path-io.git /var/lib/mock/f45-build-10582-419/root/chroot_tmpdir/scmroot/ghc-path-io
Cloning into '/var/lib/mock/f45-build-10582-419/root/chroot_tmpdir/scmroot/ghc-path-io'...
$ git fetch origin 68701d1c8c949b7a0cf5eff3fa031453e32e6ae7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-path-io
 * [new ref]         68701d1c8c949b7a0cf5eff3fa031453e32e6ae7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68701d1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild