$ git clone -n https://src.fedoraproject.org/rpms/ghc-cabal-file-th.git /var/lib/mock/f40-build-777480-129377/root/chroot_tmpdir/scmroot/ghc-cabal-file-th
Cloning into '/var/lib/mock/f40-build-777480-129377/root/chroot_tmpdir/scmroot/ghc-cabal-file-th'...
$ git fetch origin 6146dd8390bd7affbea4456777cee9b0037096e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-cabal-file-th
 * [new ref]         6146dd8390bd7affbea4456777cee9b0037096e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6146dd8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild