Continue after CLI errors

src/resolve-environment-action.ts

@@ -9,6 +9,7 @@ import {
   sendStatusReport,
 } from "./actions-util";
 import { getGitHubVersion } from "./api-client";
+import { CommandInvocationError } from "./codeql";
 import * as configUtils from "./config-utils";
 import { Language, resolveAlias } from "./languages";
 import { getActionsLogger } from "./logging";
@@ -16,6 +17,7 @@ import { runResolveBuildEnvironment } from "./resolve-environment";
 import { checkForTimeout, checkGitHubVersionInRange, wrapError } from "./util";
 
 const ACTION_NAME = "resolve-environment";
+const ENVIRONMENT_OUTPUT_NAME = "environment";
 
 async function run() {
   const startedAt = new Date();
@@ -48,21 +50,34 @@ async function run() {
       workingDirectory,
       language
     );
-    core.setOutput("environment", result);
+    core.setOutput(ENVIRONMENT_OUTPUT_NAME, result);
   } catch (unwrappedError) {
     const error = wrapError(unwrappedError);
-    core.setFailed(
-      `Failed to resolve a build environment suitable for automatically building your code. ${error.message}`
-    );
-    await sendStatusReport(
-      await createStatusReportBase(
-        ACTION_NAME,
-        getActionsStatus(error),
-        startedAt,
-        error.message,
-        error.stack
-      )
-    );
+
+    if (error instanceof CommandInvocationError) {
+      // If the CLI failed to run successfully for whatever reason,
+      // we just return an empty JSON object and proceed with the workflow.
+      core.setOutput(ENVIRONMENT_OUTPUT_NAME, {});
+      logger.warning(
+        `Failed to resolve a build environment suitable for automatically building your code. ${error.message}`
+      );
+    } else {
+      // For any other error types, something has more seriously gone wrong and we fail.
+      core.setFailed(
+        `Failed to resolve a build environment suitable for automatically building your code. ${error.message}`
+      );
+
+      await sendStatusReport(
+        await createStatusReportBase(
+          ACTION_NAME,
+          getActionsStatus(error),
+          startedAt,
+          error.message,
+          error.stack
+        )
+      );
+    }
+
     return;
   }