$ git clone -n https://src.fedoraproject.org/rpms/ghc-comonad.git /var/lib/mock/f45-build-10103-413/root/chroot_tmpdir/scmroot/ghc-comonad
Cloning into '/var/lib/mock/f45-build-10103-413/root/chroot_tmpdir/scmroot/ghc-comonad'...
$ git fetch origin a6e9cbadd8ceff75f03628a55c6480e6ac688eaf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-comonad
 * [new ref]         a6e9cbadd8ceff75f03628a55c6480e6ac688eaf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6e9cba Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild