Fix tmpDir and defaultContext func

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

.github/workflows/ci.yml

@@ -178,6 +178,13 @@ jobs:
       -
         name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}
+      -
+        name: Check digest
+        run: |
+          if [ -z "${{ steps.docker_build.outputs.digest }}" ]; then
+            echo "::error::Digest should not be empty"
+            exit 1
+          fi
       -
         name: Dump context
         if: always()

__tests__/context.test.ts

@@ -104,6 +104,28 @@ describe('getArgs', () => {
         '--file', 'Dockerfile',
         'https://github.com/docker/build-push-action.git#test-jest'
       ]
+    ],
+    [
+      '0.4.2',
+      new Map<string, string>([
+        ['context', 'https://github.com/docker/build-push-action.git#heads/master'],
+        ['tag', 'localhost:5000/name/app:latest'],
+        ['platforms', 'linux/amd64,linux/arm64'],
+        ['secrets', 'GIT_AUTH_TOKEN=abcdefghijklmno0123456789'],
+        ['file', './test/Dockerfile'],
+        ['builder', 'builder-git-context-2'],
+        ['push', 'true']
+      ]),
+      [
+        'buildx',
+        'build',
+        '--platform', 'linux/amd64,linux/arm64',
+        '--secret', 'id=GIT_AUTH_TOKEN,src=/tmp/.docker-build-push-jest/.tmpname-jest',
+        '--file', './test/Dockerfile',
+        '--builder', 'builder-git-context-2',
+        '--push',
+        'https://github.com/docker/build-push-action.git#heads/master'
+      ]
     ]
   ])(
     'given %p with %p as inputs, returns %p',

dist/index.js

@@ -14849,13 +14849,20 @@ const tmp = __importStar(__webpack_require__(517));
 const buildx = __importStar(__webpack_require__(295));
 const core = __importStar(__webpack_require__(186));
 const github = __importStar(__webpack_require__(438));
+let _defaultContext, _tmpDir;
 function defaultContext() {
     var _a, _b;
-    return `https://github.com/${github.context.repo.owner}/${github.context.repo.repo}.git#${(_b = (_a = github.context) === null || _a === void 0 ? void 0 : _a.ref) === null || _b === void 0 ? void 0 : _b.replace(/^refs\//, '')}`;
+    if (!_defaultContext) {
+        _defaultContext = `https://github.com/${github.context.repo.owner}/${github.context.repo.repo}.git#${(_b = (_a = github.context) === null || _a === void 0 ? void 0 : _a.ref) === null || _b === void 0 ? void 0 : _b.replace(/^refs\//, '')}`;
+    }
+    return _defaultContext;
 }
 exports.defaultContext = defaultContext;
 function tmpDir() {
-    return fs.mkdtempSync(path.join(os.tmpdir(), 'docker-build-push-')).split(path.sep).join(path.posix.sep);
+    if (!_tmpDir) {
+        _tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'docker-build-push-')).split(path.sep).join(path.posix.sep);
+    }
+    return _tmpDir;
 }
 exports.tmpDir = tmpDir;
 function tmpNameSync(options) {

src/context.ts

@@ -7,6 +7,8 @@ import * as buildx from './buildx';
 import * as core from '@actions/core';
 import * as github from '@actions/github';
 
+let _defaultContext, _tmpDir: string;
+
 export interface Inputs {
   context: string;
   file: string;
@@ -29,13 +31,19 @@ export interface Inputs {
 }
 
 export function defaultContext(): string {
-  return `https://github.com/${github.context.repo.owner}/${
-    github.context.repo.repo
-  }.git#${github.context?.ref?.replace(/^refs\//, '')}`;
+  if (!_defaultContext) {
+    _defaultContext = `https://github.com/${github.context.repo.owner}/${
+      github.context.repo.repo
+    }.git#${github.context?.ref?.replace(/^refs\//, '')}`;
+  }
+  return _defaultContext;
 }
 
 export function tmpDir(): string {
-  return fs.mkdtempSync(path.join(os.tmpdir(), 'docker-build-push-')).split(path.sep).join(path.posix.sep);
+  if (!_tmpDir) {
+    _tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'docker-build-push-')).split(path.sep).join(path.posix.sep);
+  }
+  return _tmpDir;
 }
 
 export function tmpNameSync(options?: tmp.TmpNameOptions): string {