$ git clone -n https://src.fedoraproject.org/rpms/ghc-transformers-compat.git /var/lib/mock/f45-build-10890-425/root/chroot_tmpdir/scmroot/ghc-transformers-compat
Cloning into '/var/lib/mock/f45-build-10890-425/root/chroot_tmpdir/scmroot/ghc-transformers-compat'...
$ git fetch origin eef1ec600d434761412dce140da754cc2707329f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-transformers-compat
 * [new ref]         eef1ec600d434761412dce140da754cc2707329f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eef1ec6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild