$ git clone -n https://src.fedoraproject.org/rpms/ghc-file-embed.git /var/lib/mock/f40-build-2380415-60448/root/chroot_tmpdir/scmroot/ghc-file-embed
Cloning into '/var/lib/mock/f40-build-2380415-60448/root/chroot_tmpdir/scmroot/ghc-file-embed'...
$ git fetch origin cf987125720e09b0c7ec308a287105b2869bac8e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-file-embed
 * [new ref]         cf987125720e09b0c7ec308a287105b2869bac8e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf98712 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild