prototype fpm build with docker action

action.yml

@@ -0,0 +1,17 @@
+name: 'Docker'
+description: 'Build and publish docker images'
+
+inputs:
+
+  fpm_args:
+    description: "list of args to pass to fpm"
+    default: ""
+    required: false
+
+  debug_log_github_context:
+    description: "Log github.context as JSON for debugging purposes"
+    default: "false"
+
+runs:
+  using: "node20"
+  main: ./dist/index.js

package.json

@@ -0,0 +1,38 @@
+{
+  "name": "docker",
+  "version": "1.0.0",
+  "description": "",
+  "main": "src/index.js",
+  "scripts": {
+    "bundle": "npm run package",
+    "ci-test": "jest",
+    "format:write": "prettier --write **/*.js",
+    "format:check": "prettier --check **/*.js",
+    "lint": "npx eslint . -c ./.github/linters/.eslintrc.yml",
+    "package": "ncc build src/action.js",
+    "package:watch": "npm run package -- --watch",
+    "test": "(jest && make-coverage-badge --output-path ./badges/coverage.svg) || make-coverage-badge --output-path ./badges/coverage.svg",
+    "all": "npm run format:write && npm run lint && npm run test && npm run package"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@actions/core": "^1.10.1",
+    "@actions/github": "^6.0.0",
+    "information": "file:../information",
+    "js-base64": "^3.7.5"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.23.5",
+    "@babel/eslint-parser": "^7.23.3",
+    "@babel/preset-env": "^7.23.5",
+    "@vercel/ncc": "^0.38.1",
+    "babel-preset-jest": "^29.6.3",
+    "eslint": "^8.54.0",
+    "eslint-plugin-github": "^4.10.1",
+    "eslint-plugin-jest": "^27.6.0",
+    "jest": "^29.7.0",
+    "make-coverage-badge": "^1.2.0",
+    "prettier": "^3.1.0"
+  }
+}

src/action.js

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+import * as core from '@actions/core';
+import * as github from '@actions/github';
+import * as action_information from 'information';
+import {
+  executeFpmBuild,
+  isTrueString, prepareFpmArgs
+} from './lib';
+
+
+try {
+  if (isTrueString(core.getBooleanInput('debug_log_github_context'))) {
+    console.log(JSON.stringify(github.context, null, 2));
+  }
+
+  const information = action_information.collect_all(true, false);
+  const debug = isTrueString(process.env['ACTIONS_STEP_DEBUG']);
+
+  const fpmArgs = prepareFpmArgs();
+  if (debug) {
+    console.log('fpmArgs:', JSON.stringify(fpmArgs, null, 2));
+  }
+
+  executeFpmBuild(fpmArgs);
+}
+catch (error) {
+  console.log('Failed to fpm packages', error);
+  core.setFailed(error.message);
+  process.exit(1);
+}

src/lib.js

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+import * as core from '@actions/core';
+import child_process from 'child_process';
+
+export function prepareFpmArgs() {
+  return '';
+}
+
+export function executeFpmBuild(computedFpmArgs) {
+
+  const userFpmArgs = core.getInput('fpm_args');
+  const dockerCmd   = 'docker run --rm -i'
+    + ' -v ' + process.cwd() + ':/workspace/source'
+    + ' -w /workspace/source'
+    + 'gitea.dhswt.de/actions/fpm:latest'
+    + ' ' + computedFpmArgs
+    + ' ' + userFpmArgs;
+
+  const proc = child_process.spawnSync(dockerCmd, {
+    shell: true,
+    stdio: 'inherit',
+    cwd  : process.cwd()
+  });
+
+  if (proc.status != null && proc.status > 0) {
+    throw new Error('fpm build failed');
+  }
+
+  if (proc.error != null) {
+    throw proc.error;
+  }
+}
+
+function isNonEmptyStr(str) {
+  return str != null && str !== 'false' && str.length > 0;
+}
+
+export function isTrueString(str) {
+  return str === '1'
+    || str === 'true'
+    || str === 'True'
+    || str === 'TRUE';
+}