added upload script

upload.sh

@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+#
+# Author: Stefan Buck
+# https://gist.github.com/stefanbuck/ce788fee19ab6eb0b4447a85fc99f447
+#
+#
+# This script accepts the following parameters:
+#
+# * owner
+# * repo
+# * tag
+# * filename
+# * github_api_token
+#
+# Script to upload a release asset using the GitHub API v3.
+#
+# Example:
+#
+# upload-github-release-asset.sh github_api_token=TOKEN owner=stefanbuck repo=playground tag=v0.1.0 filename=./build.zip
+#
+
+# Check dependencies.
+set -e
+xargs=$(which gxargs || which xargs)
+
+# Validate settings.
+[ "$TRACE" ] && set -x
+
+CONFIG=$@
+
+for line in $CONFIG; do
+	  eval "$line"
+  done
+
+  # Define variables.
+  GH_API="https://api.github.com"
+  GH_REPO="$GH_API/repos/$owner/$repo"
+  GH_TAGS="$GH_REPO/releases/tags/$tag"
+  AUTH="Authorization: token $github_api_token"
+  WGET_ARGS="--content-disposition --auth-no-challenge --no-cookie"
+  CURL_ARGS="-LJO#"
+
+  if [[ "$tag" == 'LATEST' ]]; then
+	    GH_TAGS="$GH_REPO/releases/latest"
+    fi
+
+    # Validate token.
+    curl -o /dev/null -sH "$AUTH" $GH_REPO || { echo "Error: Invalid repo, token or network issue!";  exit 1; }
+
+    # Read asset tags.
+    response=$(curl -sH "$AUTH" $GH_TAGS)
+
+    # Get ID of the asset based on given filename.
+    eval $(echo "$response" | grep -m 1 "id.:" | grep -w id | tr : = | tr -cd '[[:alnum:]]=')
+    [ "$id" ] || { echo "Error: Failed to get release id for tag: $tag"; echo "$response" | awk 'length($0)<100' >&2; exit 1; }
+
+    # Upload asset
+    echo "Uploading asset... $localAssetPath" >&2
+
+    # Construct url
+    GH_ASSET="https://uploads.github.com/repos/$owner/$repo/releases/$id/assets?name=$(basename $filename)"
+
+    curl "$GITHUB_OAUTH_BASIC" --data-binary @"$filename" -H "Authorization: token $github_api_token" -H "Content-Type: application/octet-stream" $GH_ASSET
+