$ git clone -n https://src.fedoraproject.org/rpms/ghc-haskell-src-meta.git /var/lib/mock/f40-build-776941-129159/root/chroot_tmpdir/scmroot/ghc-haskell-src-meta
Cloning into '/var/lib/mock/f40-build-776941-129159/root/chroot_tmpdir/scmroot/ghc-haskell-src-meta'...
$ git fetch origin 579106a2f0aee1a3cb2267e766f0be11591873c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-haskell-src-meta
 * [new ref]         579106a2f0aee1a3cb2267e766f0be11591873c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 579106a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild