bump gdn go-flags twentythousandtonnesofcrudeoil

* Also add build-gdn-linux CI scripts

[finishes #126676279]

Submodule src/code.cloudfoundry.org/gdn 0000000...33695b7 (new submodule)
Submodule src/github.com/jessevdk/go-flags 6b9493b..8bc97d6:
  > Show how to exit(0) on --help in example
  > Output --help message to stdout instead of stderr
  > Merge pull request #197 from kkolman/fix_test_windows
  > Merge pull request #201 from bengadbois/patch-1
  > Merge pull request #200 from Liamraystanley/patch-1
  > Add line to doc for 'forceposix' build tag
  > Merge pull request #193 from XenoPhex/add-force-posix
  > Add accessor for struct field of the option
  > Allow passing negative number to a signed number option
  > Merge pull request #163 from pierrec/master
  > Run go fmt
  > Add specification of required rest arg range
  > Merge pull request #187 from laurent22/patch-1
  > Ensure to propagate convert error in parser
  > Merge pull request #177 from blampe/arg-wrap
  > Merge pull request #173 from blampe/man
  > Fix various linting warnings
  > [travis] Bump go version to 1.6
  > [travis] Remove go get for vet
  > Do not parse commands after seeing a non-option non-command arg
  > Run go fmt
  > Do not complete hidden flags
  > Execute CommandHandler also if there is no command to run
  > Add Parser.CommandHandler to run before executing a command
Submodule src/github.com/vito/twentythousandtonnesofcrudeoil 0000000...3e53686 (new submodule)

.gitmodules

@@ -185,3 +185,11 @@
 	path = src/github.com/st3v/glager
 	url = https://github.com/st3v/glager
 	branch = master
+[submodule "src/github.com/vito/twentythousandtonnesofcrudeoil"]
+	path = src/github.com/vito/twentythousandtonnesofcrudeoil
+	url = https://github.com/vito/twentythousandtonnesofcrudeoil
+	branch = master
+[submodule "src/code.cloudfoundry.org/gdn"]
+	path = src/code.cloudfoundry.org/gdn
+	url = https://github.com/cloudfoundry/gdn
+	branch = master

ci/build-gdn-linux.yml

@@ -0,0 +1,15 @@
+---
+platform: linux
+
+image_resource:
+  type: docker-image
+  source: {repository: concourse/bin-ci}
+
+inputs:
+- name: gr-release-develop
+
+outputs:
+- name: binary
+
+run:
+  path: gr-release-develop/ci/scripts/build-gdn-linux

ci/scripts/build-gdn-linux

@@ -0,0 +1,65 @@
+#!/bin/bash
+
+# This script is almost entirely based on
+# https://github.com/concourse/bin/blob/master/ci/build-linux and
+# https://github.com/concourse/bin/blob/master/scripts/build-linux
+
+set -e -u -x
+
+export GOPATH=$PWD/gopath:$PWD/gr-release-develop
+export PATH=$PWD/gopath/bin:$PWD/gr-release-develop:$PATH
+
+go get github.com/jteeuwen/go-bindata/go-bindata
+
+LINUX_ASSETS=$PWD/linux
+
+rm -rf $LINUX_ASSETS
+mkdir -p $LINUX_ASSETS
+
+mkdir -p $LINUX_ASSETS/bin
+cp /opt/static-assets/tar $LINUX_ASSETS/bin/tar
+
+cp -a /opt/static-assets/iptables $LINUX_ASSETS/iptables
+
+# go-bindata does weird stuff with symlinks. we only care about iptables anyway
+rm $LINUX_ASSETS/iptables/sbin/*
+rm -r $LINUX_ASSETS/iptables/bin
+cp -aL /opt/static-assets/iptables/sbin/iptables $LINUX_ASSETS/iptables/sbin/iptables
+
+pushd gr-release-develop
+  # workaround 'mv /root/.tmp/... /tmp/...: invalid cross-device link'
+  HOME=$PWD bosh sync-blobs
+
+  (
+    set -e -u -x
+
+    export GOPATH=$PWD
+
+    go install code.cloudfoundry.org/guardian/cmd/dadoo
+    go install code.cloudfoundry.org/guardian/cmd/init
+
+    pushd src/github.com/opencontainers/runc
+      PKG_CONFIG_PATH=/opt/static-assets/libseccomp/lib/pkgconfig \
+        GOPATH=$PWD/Godeps/_workspace:$GOPATH \
+        BUILDTAGS=seccomp \
+        make static
+
+      mv runc $LINUX_ASSETS/bin
+    popd
+
+    pushd src/code.cloudfoundry.org/guardian/rundmc/nstar
+      make
+      mv nstar $LINUX_ASSETS/bin
+    popd
+
+    cp bin/{init,dadoo} $LINUX_ASSETS/bin
+  )
+popd
+
+go-bindata -nomemcopy -pkg bindata -o gr-release-develop/src/code.cloudfoundry.org/gdn/bindata/bindata.go linux/...
+
+# must be built with 'daemon' flag because of docker packages :|
+go build \
+  -tags daemon \
+  -o binary/gdn_linux_amd64 \
+  code.cloudfoundry.org/gdn/cmd/gdn

scripts/gdn-deps

@@ -0,0 +1,6 @@
+#!/bin/bash
+ROOT_DIR_PATH=$(cd $(dirname $0)/.. && pwd)
+
+gosub list \
+  -a code.cloudfoundry.org/gdn/... \
+  -a github.com/vito/twentythousandtonnesofcrudeoil/...

scripts/sync-submodule-config

@@ -5,4 +5,4 @@ ROOT_DIR_PATH=$(cd $(dirname $0)/.. && pwd)
 
 # fail fast if gosub is not installed
 which gosub
-($ROOT_DIR_PATH/scripts/guardian-deps; echo "github.com/opencontainers/runc") | xargs gosub sync
+($ROOT_DIR_PATH/scripts/guardian-deps; $ROOT_DIR_PATH/scripts/gdn-deps; echo "github.com/opencontainers/runc") | xargs gosub sync