$ git clone -n https://src.fedoraproject.org/rpms/kdepim-runtime.git /var/lib/mock/f42-build-864368-172289/root/chroot_tmpdir/scmroot/kdepim-runtime
Cloning into '/var/lib/mock/f42-build-864368-172289/root/chroot_tmpdir/scmroot/kdepim-runtime'...
$ git fetch origin 5038722b6a11ce784490e5842228b2f52a40e0f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdepim-runtime
 * [new ref]         5038722b6a11ce784490e5842228b2f52a40e0f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5038722 24.12.0