$ git clone -n https://src.fedoraproject.org/rpms/ghc-spdx.git /var/lib/mock/f40-build-776880-129121/root/chroot_tmpdir/scmroot/ghc-spdx
Cloning into '/var/lib/mock/f40-build-776880-129121/root/chroot_tmpdir/scmroot/ghc-spdx'...
$ git fetch origin a3997b2d788f3414231bb0cc76e4087fde7d9ac9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-spdx
 * [new ref]         a3997b2d788f3414231bb0cc76e4087fde7d9ac9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3997b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild