add github-dev

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>

github-dev/Dockerfile

@@ -0,0 +1,10 @@
+FROM golang:alpine
+MAINTAINER Jessica Frazelle <jess@linux.com>
+
+RUN	apk add --no-cache \
+	bash \
+	ca-certificates \
+	curl \
+	jq
+
+COPY upload-assets /usr/bin/upload-assets

github-dev/upload-assets

@@ -0,0 +1,28 @@
+#!/bin/bash
+set -e
+set -o pipefail
+
+if [[ -z "$GITHUB_TOKEN" ]]; then
+        echo "Set the GITHUB_TOKEN env variable."
+        exit 1
+fi
+
+if [[ -z "$GITHUB_REPOSITORY" ]]; then
+        echo "Set the GITHUB_REPOSITORY env variable."
+        exit 1
+fi
+
+URI=https://api.github.com
+API_VERSION=v3
+API_HEADER="Accept: application/vnd.github.${API_VERSION}+json"
+AUTH_HEADER="Authorization: token ${GITHUB_TOKEN}"
+
+# Validate the GitHub token.
+curl -o /dev/null -sSL -H "${AUTH_HEADER}" -H "${API_HEADER}" "${URI}/repos/${GITHUB_REPOSITORY}" || { echo "Error: Invalid repo, token or network issue!";  exit 1; }
+
+tag_response=$(curl -sSL -H "${AUTH_HEADER}" -H "${API_HEADER}" "${URI}/repos/${GITHUB_REPOSITORY}/releases/latest")
+
+tag_name=$(echo $tag_response | jq -e --raw-output .tag_name)
+tag_id=$(echo $tag_response | jq -e --raw-output .id)
+
+echo "tag name: ${tag_name} tag id: ${tag_id}"