$ git clone -n https://src.fedoraproject.org/rpms/ghc-maccatcher.git /var/lib/mock/f40-build-2286378-55710/root/chroot_tmpdir/scmroot/ghc-maccatcher
Cloning into '/var/lib/mock/f40-build-2286378-55710/root/chroot_tmpdir/scmroot/ghc-maccatcher'...
$ git fetch origin 119ef89c754f3b791e0574d57b70475138ac1d6a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-maccatcher
 * [new ref]         119ef89c754f3b791e0574d57b70475138ac1d6a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 119ef89 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild