$ git clone -n https://src.fedoraproject.org/rpms/iproute.git /var/lib/mock/f41-build-830359-156499/root/chroot_tmpdir/scmroot/iproute
Cloning into '/var/lib/mock/f41-build-830359-156499/root/chroot_tmpdir/scmroot/iproute'...
$ git fetch origin d10e375a529986e7519fb6815840461dea7ad3cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/iproute
 * [new ref]         d10e375a529986e7519fb6815840461dea7ad3cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d10e375 iproute-6.10.0-1.f41