feat: decouple Linux's build command from GitLab and introduce new …

…features (#37)

* feat: decouple `build` from GitLab and add custom `executeMethod`

* fix: artifacts compression

* fix: add forward slash at the end of build path

* refactor: add new line at the end of the file

.circleci/test-deploy.yml

@@ -328,6 +328,25 @@ workflows:
           filters: *filters
           context: orb-testing-unity
           pre-steps: *custom-build-method
+      - unity/build:
+          name: "build-with-custom-method-linux"
+          step-name: "Build with custom method in Linux"
+          unity-license-var-name: "UNITY_ENCODED_LICENSE_2021"
+          unity-username-var-name: "UNITY_USERNAME"
+          unity-password-var-name: "UNITY_PASSWORD"
+          executor:
+            name: "unity/ubuntu"
+            target_platform: "linux-il2cpp"
+            editor_version: "2021.3.1f1"
+            resource_class: "large"
+          project-path: "Unity2D-Demo-Game-CI-CD/src"
+          build-target: StandaloneLinux64
+          build-method: "MyCustomBuildCommand.MyCustomBuildMethod"
+          custom-parameters: "-customParam1 potato -customParam2 tomato -customParam3 $CIRCLE_WORKFLOW_ID -DetailedBuildReport"
+          compress: true
+          filters: *filters
+          context: orb-testing-unity
+          pre-steps: *custom-build-method
 
       - orb-tools/pack:
           filters: *filters
@@ -353,6 +372,7 @@ workflows:
             - build-without-artifacts
             - build-with-custom-method-windows
             - build-with-custom-method-osx
+            - build-with-custom-method-linux
           context: orb-publishing
           filters:
             branches:

src/scripts/linux/build.sh

@@ -1,48 +1,28 @@
 #!/bin/false
 # shellcheck shell=bash
-# shellcheck disable=SC2154
-
-trap_build_script_exit() {
-  exit_status="$?"
-
-  # The build script has a "set -x" on it. This will disable it for the rest of the run.
-  set +x
-
-  if [ "$exit_status" -ne 0 ]; then
-    printf '%s\n' 'The script did not complete successfully.'
-    printf '%s\n' "The exit code was $exit_status"
-    exit "$exit_status"
-  fi
-
-  if [ "$PARAM_COMPRESS" -eq 1 ]; then
-    printf '%s\n' 'Compressing build artifacts...'
-
-    # Compress artifacts to store them in the artifacts bucket.
-    tar -czf "$base_dir/$PARAM_BUILD_TARGET.tar.gz" -C "$unity_project_full_path/Builds/$PARAM_BUILD_TARGET" .
-  fi
-}
-
-# Download build script.
-curl --silent --location \
-  --request GET \
-  --url "https://gitlab.com/game-ci/unity3d-gitlab-ci-example/-/raw/main/ci/build.sh" \
-  --header 'Accept: application/vnd.github.v3+json' \
-  --output "$base_dir/build.sh"
-
-chmod +x "$base_dir/build.sh"
-
-# Name variables as required by the "build.sh" script.
-readonly BUILD_NAME="$PARAM_BUILD_NAME"
-readonly BUILD_TARGET="$PARAM_BUILD_TARGET"
-readonly UNITY_DIR="$unity_project_full_path"
-
-export BUILD_NAME
-export BUILD_TARGET
-export UNITY_DIR
-
-# Trap "build.sh" exit otherwise it won't be possible to zip the artifacts.
-trap trap_build_script_exit EXIT
-
-# Run the build script.
-# shellcheck source=/dev/null
-source "$base_dir/build.sh"
+# shellcheck disable=SC2048,SC2154,SC2086
+
+readonly build_path="$unity_project_full_path/Builds/$PARAM_BUILD_TARGET/"
+mkdir -p "$build_path"
+
+set -x
+${UNITY_EXECUTABLE:-xvfb-run --auto-servernum --server-args='-screen 0 640x480x24' unity-editor} \
+  -projectPath "$unity_project_full_path" \
+  -quit \
+  -batchmode \
+  -nographics \
+  -buildTarget "$PARAM_BUILD_TARGET" \
+  -customBuildTarget "$PARAM_BUILD_TARGET" \
+  -customBuildName "$PARAM_BUILD_NAME" \
+  -customBuildPath "$build_path" \
+  -executeMethod "$build_method" \
+  -logFile /dev/stdout \
+  $custom_parameters # Needs to be unquoted. Otherwise it will be treated as a single parameter.
+set +x
+
+if [ "$PARAM_COMPRESS" -eq 1 ]; then
+  printf '%s\n' 'Compressing build artifacts...'
+
+  # Compress artifacts to store them in the artifacts bucket.
+  tar -czf "$base_dir/$PARAM_BUILD_TARGET.tar.gz" -C "$build_path" .
+fi