Throw error message instead of exit code

.github/workflows/ci.yml

@@ -56,7 +56,27 @@ jobs:
         if: always()
         uses: crazy-max/ghaction-dump-context@v1
 
-  error:
+  error-msg:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Build
+        continue-on-error: true
+        uses: ./
+        with:
+          files: |
+            ./test/config.hcl
+          set: |
+            *.platform=linux/amd64,linux/ppc64le,linux/s390x
+      -
+        name: Dump context
+        if: always()
+        uses: crazy-max/ghaction-dump-context@v1
+
+  error-check:
     runs-on: ubuntu-latest
     steps:
       -

dist/index.js

@@ -518,6 +518,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 Object.defineProperty(exports, "__esModule", { value: true });
 const buildx = __importStar(__webpack_require__(295));
 const context = __importStar(__webpack_require__(842));
+const mexec = __importStar(__webpack_require__(757));
 const core = __importStar(__webpack_require__(186));
 const exec = __importStar(__webpack_require__(514));
 function run() {
@@ -531,15 +532,18 @@ function run() {
                 core.setFailed(`Docker buildx is required. See https://github.com/docker/setup-buildx-action to set up buildx.`);
                 return;
             }
-            const buildxVersion = yield buildx.getVersion();
-            core.info(`Using buildx ${buildxVersion}`);
-            let inputs = yield context.getInputs();
-            const args = yield context.getArgs(inputs, buildxVersion);
+            const bxVersion = yield buildx.getVersion();
+            core.debug(`buildx version: ${bxVersion}`);
+            const inputs = yield context.getInputs();
+            const args = yield context.getArgs(inputs, bxVersion);
             core.startGroup(`Bake definition`);
             yield exec.exec('docker', [...args, '--print']);
             core.endGroup();
-            core.info(`Building...`);
-            yield exec.exec('docker', args);
+            yield mexec.exec('docker', args).then(res => {
+                if (res.stderr.length > 0 && !res.success) {
+                    throw new Error(`buildx bake failed with: ${res.stderr.match(/(.*)\s*$/)[0]}`);
+                }
+            });
         }
         catch (error) {
             core.setFailed(error.message);

src/exec.ts

@@ -7,7 +7,7 @@ export interface ExecResult {
   stderr: string;
 }
 
-export const exec = async (command: string, args: string[] = [], silent: boolean): Promise<ExecResult> => {
+export const exec = async (command: string, args: string[] = [], silent?: boolean): Promise<ExecResult> => {
   let stdout: string = '';
   let stderr: string = '';
 

src/main.ts

@@ -1,5 +1,6 @@
 import * as buildx from './buildx';
 import * as context from './context';
+import * as mexec from './exec';
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
 
@@ -15,18 +16,21 @@ async function run(): Promise<void> {
       return;
     }
 
-    const buildxVersion = await buildx.getVersion();
-    core.info(`Using buildx ${buildxVersion}`);
+    const bxVersion = await buildx.getVersion();
+    core.debug(`buildx version: ${bxVersion}`);
 
-    let inputs: context.Inputs = await context.getInputs();
-    const args: string[] = await context.getArgs(inputs, buildxVersion);
+    const inputs: context.Inputs = await context.getInputs();
+    const args: string[] = await context.getArgs(inputs, bxVersion);
 
     core.startGroup(`Bake definition`);
     await exec.exec('docker', [...args, '--print']);
     core.endGroup();
 
-    core.info(`Building...`);
-    await exec.exec('docker', args);
+    await mexec.exec('docker', args).then(res => {
+      if (res.stderr.length > 0 && !res.success) {
+        throw new Error(`buildx bake failed with: ${res.stderr.match(/(.*)\s*$/)![0]}`);
+      }
+    });
   } catch (error) {
     core.setFailed(error.message);
   }