$ git clone -n https://src.fedoraproject.org/rpms/ghc-binary-shared.git /var/lib/mock/f40-build-775934-128521/root/chroot_tmpdir/scmroot/ghc-binary-shared
Cloning into '/var/lib/mock/f40-build-775934-128521/root/chroot_tmpdir/scmroot/ghc-binary-shared'...
$ git fetch origin cfb06f6545f8feaa67461e200edcb13500bce41a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-binary-shared
 * [new ref]         cfb06f6545f8feaa67461e200edcb13500bce41a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cfb06f6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild