$ git clone -n https://src.fedoraproject.org/rpms/pioneer.git /var/lib/mock/f41-build-854576-166892/root/chroot_tmpdir/scmroot/pioneer
Cloning into '/var/lib/mock/f41-build-854576-166892/root/chroot_tmpdir/scmroot/pioneer'...
$ git fetch origin 40ec426b2cf8ca70e38da1c8a050a149444a1d89:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pioneer
 * [new ref]         40ec426b2cf8ca70e38da1c8a050a149444a1d89 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40ec426 2024-07-10