Add config-inline input

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

src/buildx.ts

@@ -19,6 +19,28 @@ export type Builder = {
   node_platforms?: string;
 };
 
+export async function getConfigInline(s: string): Promise<string> {
+  return getConfig(s, false);
+}
+
+export async function getConfigFile(s: string): Promise<string> {
+  return getConfig(s, true);
+}
+
+export async function getConfig(s: string, file: boolean): Promise<string> {
+  if (file) {
+    if (!fs.existsSync(s)) {
+      throw new Error(`config file ${s} not found`);
+    }
+    s = fs.readFileSync(s, {encoding: 'utf-8'});
+  }
+  const configFile = context.tmpNameSync({
+    tmpdir: context.tmpDir()
+  });
+  fs.writeFileSync(configFile, s);
+  return configFile;
+}
+
 export async function isAvailable(): Promise<Boolean> {
   return await exec
     .getExecOutput('docker', ['buildx'], {

src/context.ts

@@ -1,6 +1,7 @@
 import fs from 'fs';
 import * as os from 'os';
 import path from 'path';
+import * as tmp from 'tmp';
 import * as core from '@actions/core';
 import {issueCommand} from '@actions/core/lib/command';
 
@@ -15,6 +16,10 @@ export function tmpDir(): string {
   return _tmpDir;
 }
 
+export function tmpNameSync(options?: tmp.TmpNameOptions): string {
+  return tmp.tmpNameSync(options);
+}
+
 export interface Inputs {
   version: string;
   driver: string;
@@ -24,6 +29,7 @@ export interface Inputs {
   use: boolean;
   endpoint: string;
   config: string;
+  configInline: string;
 }
 
 export async function getInputs(): Promise<Inputs> {
@@ -35,7 +41,8 @@ export async function getInputs(): Promise<Inputs> {
     install: core.getBooleanInput('install'),
     use: core.getBooleanInput('use'),
     endpoint: core.getInput('endpoint'),
-    config: core.getInput('config')
+    config: core.getInput('config'),
+    configInline: core.getInput('config-inline')
   };
 }
 

src/main.ts

@@ -50,7 +50,9 @@ async function run(): Promise<void> {
         createArgs.push(inputs.endpoint);
       }
       if (inputs.config) {
-        createArgs.push('--config', inputs.config);
+        createArgs.push('--config', await buildx.getConfigFile(inputs.config));
+      } else if (inputs.configInline) {
+        createArgs.push('--config', await buildx.getConfigInline(inputs.configInline));
       }
       await exec.exec('docker', createArgs);
       core.endGroup();