Pre Emulator Launch Script

.github/workflows/main.yml

@@ -114,6 +114,9 @@ jobs:
         disable-animations: true
         working-directory: ./test-fixture/
         channel: canary
+        pre-emulator-launch-script: |
+          echo "Running pre emulator launch script. Printing the working directory now:"
+          pwd
         script: |
           echo $GITHUB_REPOSITORY
           adb devices

README.md

@@ -155,11 +155,12 @@ jobs:
 | `disable-linux-hw-accel` | Optional | `true` | Whether to disable hardware acceleration on Linux machines - `true` or `false`. Note that this is true by default as Github-hosted Linux runners do not support hardware acceleration. |
 | `enable-hw-keyboard` | Optional | `false` | Whether to enable hardware keyboard - `true` or `false`. |
 | `emulator-build` | Optional | N/A | Build number of a specific version of the emulator binary to use e.g. `6061023` for emulator v29.3.0.0. |
-| `working-directory` | Optional | `./` | A custom working directory - e.g. `./android` if your root Gradle project is under the `./android` sub-directory within your repository. |
+| `working-directory` | Optional | `./` | A custom working directory - e.g. `./android` if your root Gradle project is under the `./android` sub-directory within your repository. Will be used for `script` & `pre-emulator-launch-script`. |
 | `ndk` | Optional | N/A | Version of NDK to install - e.g. `21.0.6113669` |
 | `cmake` | Optional | N/A | Version of CMake to install - e.g. `3.10.2.4988404` |
 | `channel` | Optional | stable | Channel to download the SDK components from - `stable`, `beta`, `dev`, `canary` |
 | `script` | Required | N/A | Custom script to run - e.g. to run Android instrumented tests on the emulator: `./gradlew connectedCheck` |
+| `pre-emulator-launch-script` | Optional | N/A | Custom script to run which will run before launch the emulator - e.g. `./adjust-emulator-configs.sh` |
 
 Default `emulator-options`: `-no-window -gpu swiftshader_indirect -no-snapshot -noaudio -no-boot-anim`.
 

action.yml

@@ -62,6 +62,8 @@ inputs:
   script:
     description: 'custom script to run - e.g. `./gradlew connectedCheck`'
     required: true
+  pre-emulator-launch-script:
+    description: 'custom script to run which will run before launch the emulator - e.g. `./adjust-emulator-configs.sh`'
 runs:
   using: 'node12'
   main: 'lib/main.js'

lib/main.js

@@ -148,9 +148,33 @@ function run() {
             scripts.forEach((script) => __awaiter(this, void 0, void 0, function* () {
                 console.log(`${script}`);
             }));
+            // custom pre emulator launch script
+            const preEmulatorLaunchScriptInput = core.getInput('pre-emulator-launch-script');
+            const preEmulatorLaunchScripts = !preEmulatorLaunchScriptInput ? undefined : script_parser_1.parseScript(preEmulatorLaunchScriptInput);
+            console.log(`Pre emulator launch script:`);
+            preEmulatorLaunchScripts === null || preEmulatorLaunchScripts === void 0 ? void 0 : preEmulatorLaunchScripts.forEach((script) => __awaiter(this, void 0, void 0, function* () {
+                console.log(`${script}`);
+            }));
             console.log(`::endgroup::`);
             // install SDK
             yield sdk_installer_1.installAndroidSdk(apiLevel, target, arch, channelId, emulatorBuild, ndkVersion, cmakeVersion);
+            // execute pre emulator launch script if set
+            if (preEmulatorLaunchScripts !== undefined) {
+                console.log(`::group::Run pre emulator launch script`);
+                try {
+                    for (const preEmulatorLaunchScript of preEmulatorLaunchScripts) {
+                        // use array form to avoid various quote escaping problems
+                        // caused by exec(`sh -c "${preEmulatorLaunchScript}"`)
+                        yield exec.exec('sh', ['-c', preEmulatorLaunchScript], {
+                            cwd: workingDirectory
+                        });
+                    }
+                }
+                catch (error) {
+                    core.setFailed(error.message);
+                }
+                console.log(`::endgroup::`);
+            }
             // launch an emulator
             yield emulator_manager_1.launchEmulator(apiLevel, target, arch, profile, cores, ramSize, heapSize, sdcardPathOrSize, diskSize, avdName, forceAvdCreation, emulatorOptions, disableAnimations, disableSpellchecker, disableLinuxHardwareAcceleration, enableHardwareKeyboard);
             // execute the custom script

src/main.ts

@@ -153,11 +153,36 @@ async function run() {
     scripts.forEach(async (script: string) => {
       console.log(`${script}`);
     });
+
+    // custom pre emulator launch script
+    const preEmulatorLaunchScriptInput = core.getInput('pre-emulator-launch-script');
+    const preEmulatorLaunchScripts = !preEmulatorLaunchScriptInput ? undefined : parseScript(preEmulatorLaunchScriptInput);
+    console.log(`Pre emulator launch script:`);
+    preEmulatorLaunchScripts?.forEach(async (script: string) => {
+      console.log(`${script}`);
+    });
     console.log(`::endgroup::`);
 
     // install SDK
     await installAndroidSdk(apiLevel, target, arch, channelId, emulatorBuild, ndkVersion, cmakeVersion);
 
+    // execute pre emulator launch script if set
+    if (preEmulatorLaunchScripts !== undefined) {
+      console.log(`::group::Run pre emulator launch script`);
+      try {
+        for (const preEmulatorLaunchScript of preEmulatorLaunchScripts) {
+          // use array form to avoid various quote escaping problems
+          // caused by exec(`sh -c "${preEmulatorLaunchScript}"`)
+          await exec.exec('sh', ['-c', preEmulatorLaunchScript], {
+            cwd: workingDirectory
+          });
+        }
+      } catch (error) {
+        core.setFailed(error.message);
+      }
+      console.log(`::endgroup::`);
+    }
+
     // launch an emulator
     await launchEmulator(
       apiLevel,