mirror docker/metadata-action@v5

src/main.ts

@@ -2,26 +2,19 @@ import * as fs from 'fs';
 import * as core from '@actions/core';
 import * as actionsToolkit from '@docker/actions-toolkit';
 import {Toolkit} from '@docker/actions-toolkit/lib/toolkit';
+import {Util} from '@docker/actions-toolkit/lib/util';
 
 import {getContext, getInputs, Inputs} from './context';
 import {Meta, Version} from './meta';
 
-function setOutput(name: string, value: string) {
-  core.setOutput(name, value);
-  core.exportVariable(`DOCKER_METADATA_OUTPUT_${name.replace(/\W/g, '_').toUpperCase()}`, value);
-}
-
 actionsToolkit.run(
   // main
   async () => {
     const inputs: Inputs = getInputs();
-    if (inputs.images.length == 0) {
-      throw new Error(`images input required`);
-    }
-
     const toolkit = new Toolkit({githubToken: inputs.githubToken});
-    const context = await getContext(inputs.context);
+    const context = await getContext(inputs.context, toolkit);
     const repo = await toolkit.github.repoData();
+    const setOutput = outputEnvEnabled() ? setOutputAndEnv : core.setOutput;
 
     await core.group(`Context info`, async () => {
       core.info(`eventName: ${context.eventName}`);
@@ -32,6 +25,7 @@ actionsToolkit.run(
       core.info(`actor: ${context.actor}`);
       core.info(`runNumber: ${context.runNumber}`);
       core.info(`runId: ${context.runId}`);
+      core.info(`commitDate: ${context.commitDate}`);
     });
 
     if (core.isDebug()) {
@@ -53,7 +47,7 @@ actionsToolkit.run(
     setOutput('version', version.main || '');
 
     // Docker tags
-    const tags: Array<string> = meta.getTags();
+    const tags = meta.getTags();
     if (tags.length == 0) {
       core.warning('No Docker tag has been generated. Check tags input.');
     } else {
@@ -64,6 +58,7 @@ actionsToolkit.run(
       });
     }
     setOutput('tags', tags.join(inputs.sepTags));
+    setOutput('tag-names', meta.getTags(true).join(inputs.sepTags));
 
     // Docker labels
     const labels: Array<string> = meta.getLabels();
@@ -74,18 +69,53 @@ actionsToolkit.run(
       setOutput('labels', labels.join(inputs.sepLabels));
     });
 
+    // Annotations
+    const annotationsRaw: Array<string> = meta.getAnnotations();
+    const annotationsLevels = process.env.DOCKER_METADATA_ANNOTATIONS_LEVELS || 'manifest';
+    await core.group(`Annotations`, async () => {
+      const annotations: Array<string> = [];
+      for (const level of annotationsLevels.split(',')) {
+        annotations.push(
+          ...annotationsRaw.map(label => {
+            const v = `${level}:${label}`;
+            core.info(v);
+            return v;
+          })
+        );
+      }
+      setOutput(`annotations`, annotations.join(inputs.sepAnnotations));
+    });
+
     // JSON
-    const jsonOutput = meta.getJSON();
+    const jsonOutput = meta.getJSON(annotationsLevels.split(','));
     await core.group(`JSON output`, async () => {
       core.info(JSON.stringify(jsonOutput, null, 2));
       setOutput('json', JSON.stringify(jsonOutput));
     });
 
-    // Bake file definition
-    const bakeFile: string = meta.getBakeFile();
-    await core.group(`Bake file definition`, async () => {
-      core.info(fs.readFileSync(bakeFile, 'utf8'));
-      setOutput('bake-file', bakeFile);
-    });
+    // Bake files
+    for (const kind of ['tags', 'labels', 'annotations:' + annotationsLevels]) {
+      const outputName = kind.split(':')[0];
+      const bakeFile: string = meta.getBakeFile(kind);
+      await core.group(`Bake file definition (${outputName})`, async () => {
+        core.info(fs.readFileSync(bakeFile, 'utf8'));
+        setOutput(`bake-file-${outputName}`, bakeFile);
+      });
+    }
+
+    // Bake file with tags and labels
+    setOutput(`bake-file`, `${meta.getBakeFileTagsLabels()}`);
   }
 );
+
+function setOutputAndEnv(name: string, value: string) {
+  core.setOutput(name, value);
+  core.exportVariable(`DOCKER_METADATA_OUTPUT_${name.replace(/\W/g, '_').toUpperCase()}`, value);
+}
+
+function outputEnvEnabled(): boolean {
+  if (process.env.DOCKER_METADATA_SET_OUTPUT_ENV) {
+    return Util.parseBool(process.env.DOCKER_METADATA_SET_OUTPUT_ENV);
+  }
+  return true;
+}