$ git clone -n https://src.fedoraproject.org/rpms/curl.git /var/lib/mock/f42-build-side-1-3583252-46888/root/chroot_tmpdir/scmroot/curl
Cloning into '/var/lib/mock/f42-build-side-1-3583252-46888/root/chroot_tmpdir/scmroot/curl'...
$ git fetch origin d40689af0b15d6426f73d243b811599b995acb32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/curl
 * [new ref]         d40689af0b15d6426f73d243b811599b995acb32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d40689a properly parse 'type=' in -F command line arguments