add __go_get, __golang_from_vendor

cdist/conf/explorer/kernel_name

@@ -0,0 +1 @@
+uname -s

cdist/conf/type/__go_get/explorer/go-executable

@@ -0,0 +1,3 @@
+[ -f /etc/environment ] && . /etc/environment
+[ -f /etc/profile     ] && . /etc/profile
+go version 2>/dev/null || true

cdist/conf/type/__go_get/gencode-remote

@@ -0,0 +1,8 @@
+package=$__object_id
+
+cat<<EOF
+[ -f /etc/environment ] && . /etc/environment
+[ -f /etc/profile     ] && . /etc/profile
+export GOPATH=\${GOPATH:-/opt/gocode}
+go get $package
+EOF

cdist/conf/type/__go_get/manifest

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+go_executable=$(cat "$__object/explorer/go-executable")
+[ -z "$go_executable" ] && echo "__go_get: Cannot find go executable; make sure it is installed and in PATH" >&2 && exit 1
+
+os=$(cat "$__global/explorer/os")
+case $os in
+	debian|devuan|ubuntu)
+		__package build-essential
+		;;
+	*)
+		echo "__go_get: Don't know how to install g++ on $os" >&2
+		echo "__go_get: Send a pull request or contact <kamila@ksp.sk> to add support for $os." >&2
+		exit 1
+		;;
+esac
+

cdist/conf/type/__golang_from_vendor/gencode-remote

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+version=$(cat "$__object/parameter/version")
+
+kernel_name=$(cat "$__global/explorer/kernel_name" | tr '[:upper:]' '[:lower:]')
+machine=$(cat "$__global/explorer/machine")
+case $machine in
+	x86_64|amd64)
+		arch=amd64
+		;;
+	x86)
+		arch=386
+		;;
+	*)
+		arch=$machine  # at least try...
+		;;
+esac
+
+PACKAGE="go${version}.${kernel_name}-${arch}"
+URL="https://storage.googleapis.com/golang/${PACKAGE}.tar.gz"
+cat <<EOF
+[ "x\$(cat /usr/local/go/VERSION 2>/dev/null)" = "xgo$version" ] && exit 0  # already there
+wget --no-verbose "$URL" -O "/tmp/${PACKAGE}.tar.gz"
+rm -rf /usr/local/go
+tar -C /usr/local -xzf /tmp/${PACKAGE}.tar.gz
+EOF

cdist/conf/type/__golang_from_vendor/manifest

@@ -0,0 +1 @@
+__line go_in_path --line 'export PATH=/usr/local/go/bin:$PATH' --file /etc/profile

cdist/conf/type/__golang_from_vendor/parameter/default/version

@@ -0,0 +1 @@
+1.8.1

cdist/conf/type/__golang_from_vendor/parameter/optional

@@ -0,0 +1 @@
+version