$ git clone -n https://src.fedoraproject.org/rpms/ghc-split.git /var/lib/mock/f40-build-2441628-60996/root/chroot_tmpdir/scmroot/ghc-split
Cloning into '/var/lib/mock/f40-build-2441628-60996/root/chroot_tmpdir/scmroot/ghc-split'...
$ git fetch origin 815eab4bb3c4d07e36df0cb4d20b1518062b1071:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-split
 * [new ref]         815eab4bb3c4d07e36df0cb4d20b1518062b1071 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 815eab4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild