$ git clone -n https://src.fedoraproject.org/rpms/ghc-explicit-exception.git /var/lib/mock/f40-build-2665479-67099/root/chroot_tmpdir/scmroot/ghc-explicit-exception
Cloning into '/var/lib/mock/f40-build-2665479-67099/root/chroot_tmpdir/scmroot/ghc-explicit-exception'...
$ git fetch origin ba71ae21db8b0d403d502b9072be26b853e2d75c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-explicit-exception
 * [new ref]         ba71ae21db8b0d403d502b9072be26b853e2d75c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba71ae2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild