$ git clone -n https://src.fedoraproject.org/rpms/iio-sensor-proxy.git /var/lib/mock/f39-build-1494629-34542/root/chroot_tmpdir/scmroot/iio-sensor-proxy
Cloning into '/var/lib/mock/f39-build-1494629-34542/root/chroot_tmpdir/scmroot/iio-sensor-proxy'...
$ git fetch origin cd7dcc216090634e0c186b1fe1bec4b1de2119c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/iio-sensor-proxy
 * [new ref]         cd7dcc216090634e0c186b1fe1bec4b1de2119c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd7dcc2 Fix location of D-Bus policy file