Bootstrap docker from js

src/index.js

@@ -3,44 +3,23 @@ const path = require('path');
 const { exec } = require('@actions/exec');
 
 async function action() {
-  // Path to the project to open with Unity
-  const projectPath = core.getInput('projectPath', {
-    required: false,
-    default: './',
-  });
+  // Explicitly notify about platform support
+  if (process.platform !== 'linux') {
+    throw new Error('Currently only Linux-based platforms are supported');
+  }
 
-  // Target platform for the build
-  const buildTarget = core.getInput('buildTarget', {
-    required: false,
-    default: 'WebGL',
-  });
-
-  // Name of the build
-  const buildName = core.getInput('buildName', {
-    required: false,
-    default: 'TestBuild',
-  });
-
-  // Path where build will be stored
-  const buildsPath = core.getInput('buildsPath', {
-    required: false,
-    default: 'build',
-  });
-
-  // Method to execute within unity. Must be static
-  const buildMethod = core.getInput('buildMethod', {
-    required: false,
-    default: '',
-  });
+  // Input variables specified in workflows using "with" prop.
+  const projectPath = core.getInput('projectPath', { default: './' });
+  const buildTarget = core.getInput('buildTarget', { default: 'WebGL' });
+  const buildName = core.getInput('buildName', { default: 'TestBuild' });
+  const buildsPath = core.getInput('buildsPath', { default: 'build' });
+  const buildMethod = core.getInput('buildMethod', { default: '' });
 
   // Run appropriate docker image with given args
-  await exec(path.join(__dirname, 'run-unity-builder.sh'), [
-    projectPath,
-    buildTarget,
-    buildName,
-    buildsPath,
-    buildMethod,
-  ]);
+  const bootstrapper = path.join(__dirname, 'run-unity-builder.sh');
+  await exec(`ls ${bootstrapper}`);
+  await exec(`chmod +x ${bootstrapper}`);
+  await exec(bootstrapper, [projectPath, buildTarget, buildName, buildsPath, buildMethod]);
 }
 
 action().catch(error => {

src/run-unity-builder.sh

@@ -1,19 +1,73 @@
-#!/usr/bin/env sh
+#!/bin/sh
+
+#
+# Input variables
+#
 
 PROJECT_PATH=$1
+UNITY_VERSION="2019.2.11f1"
 BUILD_TARGET=$2
 BUILD_NAME=$3
 BUILDS_PATH=$4
 BUILD_METHOD=$5
 
-DOCKER_IMAGE_TAG=unity-builder-image
+#
+# Default variables
+#
 
-echo "Running docker container with specific tag"
+# PROJECT_PATH = test-project
+# BUILD_TARGET =
+# BUILD_NAME =
+# BUILDS_PATH =
+# BUILD_METHOD =
+# HOME = /home/runner
+# GITHUB_REF = refs/pull/8/merge
+# GITHUB_SHA = 0e697e1f2d80e0e8505c0e0dcff76d24bc7a4f36
+# GITHUB_REPOSITORY = webbertakken/unity-builder
+# GITHUB_ACTOR = webbertakken
+# GITHUB_WORKFLOW = Actions 😎
+# GITHUB_HEAD_REF = prepare-for-multi-target
+# GITHUB_BASE_REF = master
+# GITHUB_EVENT_NAME = pull_request
+# GITHUB_WORKSPACE = /home/runner/work/unity-builder/unity-builder
+# GITHUB_ACTION = self
+# GITHUB_EVENT_PATH = /home/runner/work/_temp/_github_workflow/event.json
+# RUNNER_OS = Linux
+# RUNNER_TOOL_CACHE = /opt/hostedtoolcache
+# RUNNER_TEMP = /home/runner/work/_temp
+# RUNNER_WORKSPACE = /home/runner/work/unity-builder
 
-docker build \
-  --file ../Dockerfile \
-  --tag DOCKER_IMAGE_TAG \
-  ../
+#
+# Internal variables
+#
+
+ACTION_ROOT=$(dirname $(dirname $(readlink -fm "$0")))
+DOCKER_IMAGE_TAG=webber-unity:$UNITY_VERSION-$BUILD_TARGET
+
+# TODO - Remove debug statements below
+
+echo "Listing ACTION_ROOT"
+ls $ACTION_ROOT
+echo ""
+echo "Listing GITHUB_WORKSPACE"
+ls $GITHUB_WORKSPACE
+echo ""
+echo "Listing RUNNER_WORKSPACE"
+ls $RUNNER_WORKSPACE
+echo ""
+
+#
+# Build image
+#
+
+echo "Building docker images for $BUILD_TARGET"
+docker build $GITHUB_WORKSPACE \
+  --file $ACTION_ROOT/Dockerfile \
+  --tag $DOCKER_IMAGE_TAG
+
+#
+# Run specified container
+#
 
 docker run \
   --workdir /github/workspace \
@@ -23,7 +77,7 @@ docker run \
   --env BUILD_NAME \
   --env BUILDS_PATH \
   --env BUILD_METHOD \
-  --env HOME \
+  --env HOME=/github/home \
   --env GITHUB_REF \
   --env GITHUB_SHA \
   --env GITHUB_REPOSITORY \
@@ -32,7 +86,7 @@ docker run \
   --env GITHUB_HEAD_REF \
   --env GITHUB_BASE_REF \
   --env GITHUB_EVENT_NAME \
-  --env GITHUB_WORKSPACE \
+  --env GITHUB_WORKSPACE=/github/workspace \
   --env GITHUB_ACTION \
   --env GITHUB_EVENT_PATH \
   --env RUNNER_OS \
@@ -43,4 +97,4 @@ docker run \
   --volume "/home/runner/work/_temp/_github_home":"/github/home" \
   --volume "/home/runner/work/_temp/_github_workflow":"/github/workflow" \
   --volume "${PWD}":"/github/workspace" \
-  DOCKER_IMAGE_TAG
+  $DOCKER_IMAGE_TAG