cache-image input to enable/disable caching of binfmt image

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

src/context.ts

@@ -4,11 +4,13 @@ import {Util} from '@docker/actions-toolkit/lib/util';
 export interface Inputs {
   image: string;
   platforms: string;
+  cacheImage: boolean;
 }
 
 export function getInputs(): Inputs {
   return {
     image: core.getInput('image') || 'docker.io/tonistiigi/binfmt:latest',
-    platforms: Util.getInputList('platforms').join(',') || 'all'
+    platforms: Util.getInputList('platforms').join(',') || 'all',
+    cacheImage: core.getBooleanInput('cache-image')
   };
 }

src/main.ts

@@ -20,13 +20,7 @@ actionsToolkit.run(
     });
 
     await core.group(`Pulling binfmt Docker image`, async () => {
-      await Docker.getExecOutput(['pull', input.image], {
-        ignoreReturnCode: true
-      }).then(res => {
-        if (res.stderr.length > 0 && res.exitCode != 0) {
-          throw new Error(res.stderr.match(/(.*)\s*$/)?.[0]?.trim() ?? 'unknown error');
-        }
-      });
+      await Docker.pull(input.image, input.cacheImage);
     });
 
     await core.group(`Image info`, async () => {