$ git clone -n https://src.fedoraproject.org/rpms/darkman.git /var/lib/mock/f40-build-2226132-52905/root/chroot_tmpdir/scmroot/darkman
Cloning into '/var/lib/mock/f40-build-2226132-52905/root/chroot_tmpdir/scmroot/darkman'...
$ git fetch origin 513c8c1c68aae58e219ffd82423149b122e3f6bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/darkman
 * [new ref]         513c8c1c68aae58e219ffd82423149b122e3f6bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 513c8c1 Drop systemd hardening