Add nightly build

.github/workflows/nightly.yml

@@ -0,0 +1,55 @@
+name: Nightly
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '13 12 * * *'
+
+jobs:
+  nightly:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-latest
+            artifact-name: Linux
+            build-options: "-PlinuxBuild"
+          - os: macos-latest
+            artifact-name: macOS
+            build-options: "-PmacBuild"
+          - os: windows-latest
+            artifact-name: Win64
+            build-options: ""
+
+    name: "Build - ${{ matrix.artifact-name }}"
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-java@v1
+        with:
+          java-version: 11
+
+      - uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: 5.0.100
+
+      - uses: actions/setup-node@v1
+        with:
+          node-version: '10.x' 
+
+      - name: Setup Development Artifacts
+        shell: bash
+        run: ./automation/nightly_setup.sh
+
+      - name: Build Installer
+        shell: bash
+        run: ./gradlew generateInstallers -PjenkinsBuild ${{ matrix.build-options }}
+
+      - uses: actions/upload-artifact@v2
+        with:
+          name: ${{ matrix.artifact-name }}
+          path: build/pubOutputs/ 

automation/nightly_setup.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+
+# This script sets up the nightly build, including building development
+# artifacts for GradleRIO and VS Code Extension from their respective main
+# branches.
+
+set -e
+
+# Detect the operating system and store OS-specific commands in variables
+# to be evaluated later.
+NPM_PACKAGE_CMD=""
+NPM_PACKAGE_LOC=""
+SED_CMD="sed -i"
+if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+  NPM_PACKAGE_CMD="npm run packageLinux && tar -C build/wpilibutility-linux-x64 -pcvzf wpilibutility-linux.tar.gz ."
+  NPM_PACKAGE_LOC="build/wpilibutility-linux.tar.gz"
+elif [[ "$OSTYPE" == "darwin"* ]]; then
+  NPM_PACKAGE_CMD="npm run packageMac && tar -C build/wpilibutility-darwin-x64 -pcvzf wpilibutility-mac.tar.gz ."
+  NPM_PACKAGE_LOC="build/wpilibutility-mac.tar.gz"
+  SED_CMD="sed -i {}"
+else
+  NPM_PACKAGE_CMD="npm run packageWindows && powershell -Command \"Compress-Archive -Path build\wpilibutility-win32-ia32\* -DestinationPath wpilibutility-windows.zip\""
+  NPM_PACKAGE_LOC="build/wpilibutility-windows.zip"
+fi
+
+# First, a version number for the nightly is generated.
+LATEST_TAG=$(git describe --abbrev=0)
+LATEST_TAG_TRIMMED=${LATEST_TAG:1}
+DATE=$(date +"%Y%m%d")
+VERSION="$LATEST_TAG_TRIMMED-$DATE"
+
+# Next, we will clone the latest versions of GradleRIO and VS Code
+# Extension repositories.
+function clone() {
+  if [ ! -d $1 ]; then
+    git clone "https://github.com/wpilibsuite/$1"
+  else
+    cd $1
+    git reset --hard
+    git pull
+    cd ..
+  fi
+}
+clone "GradleRIO"
+clone "vscode-wpilib"
+
+# Publish a development version of GradleRIO.
+cd GradleRIO
+
+# Temporarily use 2020 ni-libraries while 2022 runtime is still not available.
+eval "$SED_CMD \"13s/+/2020.+/\"" versionupdates.gradle
+
+./gradlew updateVersions -PuseDevelopment
+./gradlew publishToMavenLocal -x patchExamples -PpublishVersion=$VERSION
+cd ..
+
+# Publish a development version of the VS Code Extension.
+cd vscode-wpilib
+./gradlew updateVersions updateAllDependencies -PbuildServer -PpublishVersion=$VERSION
+
+cd vscode-wpilib
+npm install
+npm run gulp
+npm run webpack
+npm run vscePackage
+
+cd ../wpilib-utility-standalone
+npm install
+npm run compile
+eval "$NPM_PACKAGE_CMD"
+cd ../..
+
+# Update the version numbers in the installer and set the VS Code Extension
+# and Standalone Utility location.
+echo "gradleRioVersion: $VERSION" >gradle.properties
+echo "vscodeLoc: vscode-wpilib/vscode-wpilib/vscode-wpilib-$VERSION.vsix" >>gradle.properties
+echo "standaloneLoc: vscode-wpilib/wpilib-utility-standalone/$NPM_PACKAGE_LOC" >> gradle.properties