$ git clone -n https://src.fedoraproject.org/rpms/ghc-unbounded-delays.git /var/lib/mock/f40-build-2695869-69481/root/chroot_tmpdir/scmroot/ghc-unbounded-delays
Cloning into '/var/lib/mock/f40-build-2695869-69481/root/chroot_tmpdir/scmroot/ghc-unbounded-delays'...
$ git fetch origin a68399741c11a35b80a8981102e3c798e5a2ff22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-unbounded-delays
 * [new ref]         a68399741c11a35b80a8981102e3c798e5a2ff22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a683997 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild