$ git clone -n https://src.fedoraproject.org/rpms/ghc-smallcheck.git /var/lib/mock/f40-build-776916-129159/root/chroot_tmpdir/scmroot/ghc-smallcheck
Cloning into '/var/lib/mock/f40-build-776916-129159/root/chroot_tmpdir/scmroot/ghc-smallcheck'...
$ git fetch origin 40a43b14d58b318dabce8d738ecd597a9a78d982:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-smallcheck
 * [new ref]         40a43b14d58b318dabce8d738ecd597a9a78d982 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40a43b1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild