$ git clone -n https://src.fedoraproject.org/rpms/ghc-uglymemo.git /var/lib/mock/f40-build-2695887-69486/root/chroot_tmpdir/scmroot/ghc-uglymemo
Cloning into '/var/lib/mock/f40-build-2695887-69486/root/chroot_tmpdir/scmroot/ghc-uglymemo'...
$ git fetch origin b7a4e4dd10970dd7fd187187b71ba371fbdf4de4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-uglymemo
 * [new ref]         b7a4e4dd10970dd7fd187187b71ba371fbdf4de4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7a4e4d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild