$ git clone -n https://src.fedoraproject.org/rpms/ghc-haskell-src-meta.git /var/lib/mock/f40-build-2292696-56151/root/chroot_tmpdir/scmroot/ghc-haskell-src-meta
Cloning into '/var/lib/mock/f40-build-2292696-56151/root/chroot_tmpdir/scmroot/ghc-haskell-src-meta'...
$ git fetch origin 6fd0adea99833d96f26fb44e0b0b1bd7778ccadc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-haskell-src-meta
 * [new ref]         6fd0adea99833d96f26fb44e0b0b1bd7778ccadc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6fd0ade Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild