Initial take at the build job

.dockerignore

@@ -0,0 +1,6 @@
+# Order ignore, include
+*
+
+# Files required for the action
+!entrypoint.sh
+!action.yml

Dockerfile

@@ -0,0 +1,14 @@
+FROM gableroux/unity3d:2019.2.11f1
+
+LABEL "com.github.actions.name"="Unity - Builder"
+LABEL "com.github.actions.description"="Build Unity projects for different platforms."
+LABEL "com.github.actions.icon"="box"
+LABEL "com.github.actions.color"="gray-dark"
+
+LABEL "repository"="http://github.com/webbertakken/unity-actions"
+LABEL "homepage"="http://github.com/webbertakken/unity-actions"
+LABEL "maintainer"="Webber Takken <webber@takken.io>"
+
+ADD entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]

action.yml

@@ -0,0 +1,15 @@
+name: 'Unity - Builder'
+author: Webber Takken <webber@takken.io>
+description: 'Build Unity projects for different platforms.'
+inputs: {}
+outputs:
+  buildPath:
+    description: "Path where the current platform has been built to."
+  allBuildsPath:
+    description: "Path where the build folders are stored. Each platform creates a folder within it."
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+branding:
+  icon: 'box'
+  color: 'gray-dark'

entrypoint.sh

@@ -0,0 +1,187 @@
+#!/usr/bin/env bash
+
+#
+# Set license file path
+#
+
+LICENSE_FILE_PATH=UnityLicenseFile.ulf
+
+#
+# Set project path
+#
+
+UNITY_PROJECT_PATH=$GITHUB_WORKSPACE/$UNITY_PROJECT_PATH
+
+#
+# Set the name for the build
+#
+
+if [ -z "$BUILD_NAME" ]; then
+  BUILD_NAME=buildName
+fi
+
+#
+# Set the builds target platform;
+#
+# possible options are:
+#
+# Standalone, Win, Win64, OSXUniversal,
+# Linux64, iOS, Android, WebGL, XboxOne,
+# PS4, WindowsStoreApps, Switch, tvOS
+#
+# Default to WebGL (no particular reason)
+#
+
+if [ -z "$BUILD_TARGET" ]; then
+  BUILD_TARGET=WebGL
+fi
+
+#
+# Set builds path
+#
+
+if [ -z "$BUILDS_PATH" ]; then
+  BUILDS_PATH=build
+fi
+BUILDS_FULL_PATH=$GITHUB_WORKSPACE/$BUILDS_PATH
+
+#
+# Set path for current build (relative and full)
+#
+
+CURRENT_BUILD_PATH=$BUILDS_PATH/$BUILD_TARGET
+CURRENT_BUILD_FULL_PATH=$BUILDS_FULL_PATH/$BUILD_TARGET
+
+#
+# Set the build command, must reference one of:
+#
+#   - <NamespaceName.ClassName.MethodName>
+#   - <ClassName.MethodName>
+#
+# For example: `BuildCommand.PerformBuild`
+#
+# The method must be defined static
+#
+
+if [ -z "$BUILD_COMMAND" ]; then
+  EXECUTE_CUSTOM_METHOD="-executeMethod $BUILD_COMMAND"
+else
+  EXECUTE_CUSTOM_METHOD=""
+fi
+
+#
+# Copy license file from Github variables
+#
+
+echo "$UNITY_LICENSE" | tr -d '\r' > $LICENSE_FILE_PATH
+echo "$UNITY_LICENSE" | tr -d '\r' > /root/.local/share/unity3d/Unity/Unity_lic.ulf
+# TODO - test if this line has any effect
+echo "$UNITY_LICENSE" | tr -d '\r' > /root/.local/share/unity3d/Unity/Unity_v2019.x.ulf
+
+#
+# Activate license
+#
+
+echo "Requesting activation"
+xvfb-run --auto-servernum --server-args='-screen 0 640x480x24' \
+  /opt/Unity/Editor/Unity \
+    -batchmode \
+    -nographics \
+    -logFile /dev/stdout \
+    -quit \
+    -manualLicenseFile $LICENSE_FILE_PATH
+# This is expected to always exit with code 1 (both success and failure).
+# Convert to exit code 0 by echoing the current exit code.
+echo $?
+# Exit code is now 0
+
+# The build specification below may require Unity 2019.2.11f1 or later (not tested below).
+# Reference: https://docs.unity3d.com/2019.3/Documentation/Manual/CommandLineArguments.html
+
+#
+# Build info
+#
+
+echo ""
+echo "###########################"
+echo "#      All builds dir     #"
+echo "###########################"
+echo ""
+
+echo "Creating \"$BUILDS_FULL_PATH\" if it does not exist."
+mkdir -p $BUILDS_FULL_PATH
+ls -alh $BUILDS_FULL_PATH
+
+echo ""
+echo "###########################"
+echo "#    Current build dir    #"
+echo "###########################"
+echo ""
+
+echo "Creating \"$CURRENT_BUILD_FULL_PATH\" if it does not exist."
+mkdir -p $CURRENT_BUILD_FULL_PATH
+ls -alh $CURRENT_BUILD_FULL_PATH
+
+echo ""
+echo "###########################"
+echo "#    Project directory    #"
+echo "###########################"
+echo ""
+
+ls -alh $UNITY_PROJECT_PATH
+
+echo ""
+echo "###########################"
+echo "#    Building platform    #"
+echo "###########################"
+echo ""
+
+xvfb-run --auto-servernum --server-args='-screen 0 640x480x24' \
+  /opt/Unity/Editor/Unity \
+    -batchmode \
+    -logfile /dev/stdout \
+    -quit \
+    -customBuildName "$BUILD_NAME" \
+    -projectPath "$UNITY_PROJECT_PATH" \
+    -buildTarget "$BUILD_TARGET" \
+    -customBuildTarget "$BUILD_TARGET" \
+    -customBuildPath "$CURRENT_BUILD_FULL_PATH" \
+    $EXECUTE_CUSTOM_METHOD
+
+# Catch exit code
+BUILD_EXIT_CODE=$?
+
+# Display results
+if [ $BUILD_EXIT_CODE -eq 0 ]; then
+  echo "Build succeeded";
+else
+  echo "Build failed, with exit code $BUILD_EXIT_CODE";
+fi
+
+#
+# Results
+#
+
+echo ""
+echo "###########################"
+echo "#     Build directory     #"
+echo "###########################"
+echo ""
+
+ls -alh $CURRENT_BUILD_FULL_PATH
+
+#
+# Output variables
+#
+
+# Expose path for the resulting build
+echo ::set-output name=buildPath::$CURRENT_BUILD_PATH
+
+# Expose path that contains all builds
+echo ::set-output name=allBuildsPath::$BUILDS_PATH
+
+#
+# Exit
+#
+
+exit $BUILD_EXIT_CODE