switch DOCKER_BUILD_SUMMARY_DISABLE to DOCKER_BUILD_SUMMARY

.github/workflows/ci.yml

@@ -1366,7 +1366,30 @@ jobs:
         with:
           file: ./test/Dockerfile
         env:
-          DOCKER_BUILD_SUMMARY_DISABLE: true
+          DOCKER_BUILD_SUMMARY: false
+
+  summary-disable-deprecated:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+        with:
+          path: action
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          version: ${{ inputs.buildx-version || env.BUILDX_VERSION }}
+          driver-opts: |
+            image=${{ inputs.buildkit-image || env.BUILDKIT_IMAGE }}
+      -
+        name: Build
+        uses: ./action
+        with:
+          file: ./test/Dockerfile
+        env:
+          DOCKER_BUILD_NO_SUMMARY: true
 
   summary-not-supported:
     runs-on: ubuntu-latest

README.md

@@ -186,7 +186,7 @@ more. The build record can be imported to Docker Desktop for inspecting the
 build in greater detail.
 
 Summaries are enabled by default, but can be disabled with the
-`DOCKER_BUILD_NO_SUMMARY` [environment variable](#environment-variables).
+`DOCKER_BUILD_SUMMARY` [environment variable](#environment-variables).
 
 For more information about summaries, refer to the
 [documentation](https://docs.docker.com/go/build-summary/).
@@ -256,10 +256,10 @@ The following outputs are available:
 
 ### environment variables
 
-| Name                                 | Type   | Description                                                                                                                                                                                                                                                        |
-|--------------------------------------|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| `DOCKER_BUILD_SUMMARY_DISABLE`       | Bool   | If `true`, [build summary](https://docs.docker.com/build/ci/github-actions/build-summary/) generation is disabled                                                                                                                                                  |
-| `DOCKER_BUILD_EXPORT_RETENTION_DAYS` | Number | Duration after which build export artifact will expire in days. Defaults to repository/org [retention settings](https://docs.github.com/en/actions/learn-github-actions/usage-limits-billing-and-administration#artifact-and-log-retention-policy) if unset or `0` |
+| Name                                 | Type   | Default | Description                                                                                                                                                                                                                                                        |
+|--------------------------------------|--------|---------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| `DOCKER_BUILD_SUMMARY`               | Bool   | `true`  | If `false`, [build summary](https://docs.docker.com/build/ci/github-actions/build-summary/) generation is disabled                                                                                                                                                 |
+| `DOCKER_BUILD_EXPORT_RETENTION_DAYS` | Number |         | Duration after which build export artifact will expire in days. Defaults to repository/org [retention settings](https://docs.github.com/en/actions/learn-github-actions/usage-limits-billing-and-administration#artifact-and-log-retention-policy) if unset or `0` |
 
 ## Troubleshooting
 

src/main.ts

@@ -138,7 +138,7 @@ actionsToolkit.run(
     });
 
     await core.group(`Check build summary support`, async () => {
-      if (buildSummaryDisabled()) {
+      if (!buildSummaryEnabled()) {
         core.info('Build summary disabled');
       } else if (GitHub.isGHES) {
         core.warning('Build summary is not yet supported on GHES');
@@ -211,14 +211,14 @@ async function buildRef(toolkit: Toolkit, since: Date, builder?: string): Promis
   return Object.keys(refs).length > 0 ? Object.keys(refs)[0] : '';
 }
 
-function buildSummaryDisabled(): boolean {
+function buildSummaryEnabled(): boolean {
   if (process.env.DOCKER_BUILD_NO_SUMMARY) {
-    core.warning('DOCKER_BUILD_NO_SUMMARY is deprecated. Use DOCKER_BUILD_SUMMARY_DISABLE instead.');
-    return Util.parseBool(process.env.DOCKER_BUILD_NO_SUMMARY);
-  } else if (process.env.DOCKER_BUILD_SUMMARY_DISABLE) {
-    return Util.parseBool(process.env.DOCKER_BUILD_SUMMARY_DISABLE);
+    core.warning('DOCKER_BUILD_NO_SUMMARY is deprecated. Set DOCKER_BUILD_SUMMARY to false instead.');
+    return !Util.parseBool(process.env.DOCKER_BUILD_NO_SUMMARY);
+  } else if (process.env.DOCKER_BUILD_SUMMARY) {
+    return Util.parseBool(process.env.DOCKER_BUILD_SUMMARY);
   }
-  return false;
+  return true;
 }
 
 function buildExportRetentionDays(): number | undefined {