Use --builder

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

src/buildx.ts

@@ -51,11 +51,3 @@ export async function parseVersion(stdout: string): Promise<string> {
   }
   return semver.clean(matches[1]);
 }
-
-export async function use(builder: string): Promise<void> {
-  return await exec.exec(`docker`, ['buildx', 'use', '--builder', builder], false).then(res => {
-    if (res.stderr != '' && !res.success) {
-      throw new Error(res.stderr);
-    }
-  });
-}

src/context.ts

@@ -106,6 +106,9 @@ async function getCommonArgs(inputs: Inputs): Promise<Array<string>> {
   if (inputs.noCache) {
     args.push('--no-cache');
   }
+  if (inputs.builder) {
+    args.push('--builder', inputs.builder);
+  }
   if (inputs.pull) {
     args.push('--pull');
   }

src/main.ts

@@ -23,10 +23,6 @@ async function run(): Promise<void> {
     core.info(`📣 Buildx version: ${buildxVersion}`);
 
     let inputs: context.Inputs = await context.getInputs();
-    if (inputs.builder) {
-      core.info(`📌 Using builder instance ${inputs.builder}`);
-      await buildx.use(inputs.builder);
-    }
 
     core.info(`🏃 Starting build...`);
     const args: string[] = await context.getArgs(inputs, buildxVersion);