$ git clone -n https://src.fedoraproject.org/rpms/ghc-iproute.git /var/lib/mock/f41-build-837922-159471/root/chroot_tmpdir/scmroot/ghc-iproute
Cloning into '/var/lib/mock/f41-build-837922-159471/root/chroot_tmpdir/scmroot/ghc-iproute'...
$ git fetch origin 472eefbd3bdc4b1a0709b5a6fd3285bb820a678b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-iproute
 * [new ref]         472eefbd3bdc4b1a0709b5a6fd3285bb820a678b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 472eefb https://hackage.haskell.org/package/iproute-1.7.14/changelog