chore: Add with-post-step action

internal/with-post-step/action.yml

@@ -0,0 +1,42 @@
+# ==================================================================================================================== #
+# Authors:                                                                                                             #
+#   Patrick Lehmann                                                                                                    #
+#   Unai Martinez-Corral                                                                                               #
+#                                                                                                                      #
+# ==================================================================================================================== #
+# Copyright 2020-2024 The pyTooling Authors                                                                            #
+#                                                                                                                      #
+# Licensed under the Apache License, Version 2.0 (the "License");                                                      #
+# you may not use this file except in compliance with the License.                                                     #
+# You may obtain a copy of the License at                                                                              #
+#                                                                                                                      #
+#   http://www.apache.org/licenses/LICENSE-2.0                                                                         #
+#                                                                                                                      #
+# Unless required by applicable law or agreed to in writing, software                                                  #
+# distributed under the License is distributed on an "AS IS" BASIS,                                                    #
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.                                             #
+# See the License for the specific language governing permissions and                                                  #
+# limitations under the License.                                                                                       #
+#                                                                                                                      #
+# SPDX-License-Identifier: Apache-2.0                                                                                  #
+# ==================================================================================================================== #
+name: With post step
+
+description: 'Generic JS Action to execute a main command and set a command as a post step.'
+
+inputs:
+  main:
+    description: 'Main command/script.'
+    required: true
+  post:
+    description: 'Post command/script.'
+    required: true
+  key:
+    description: 'Name of the state variable used to detect the post step.'
+    required: false
+    default: POST
+
+runs:
+  using: 'node20'
+  main: 'main.js'
+  post: 'main.js'

internal/with-post-step/main.js

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+/* ================================================================================================================== *
+ * Authors:                                                                                                           *
+ *   Unai Martinez-Corral                                                                                             *
+ *                                                                                                                    *
+ * ================================================================================================================== *
+ * Copyright 2021-2022 Unai Martinez-Corral <[email protected]>                                             *
+ * Copyright 2022 Unai Martinez-Corral <[email protected]>                                                 *
+ *                                                                                                                    *
+ * Licensed under the Apache License, Version 2.0 (the "License");                                                    *
+ * you may not use this file except in compliance with the License.                                                   *
+ * You may obtain a copy of the License at                                                                            *
+ *                                                                                                                    *
+ *     http://www.apache.org/licenses/LICENSE-2.0                                                                     *
+ *                                                                                                                    *
+ * Unless required by applicable law or agreed to in writing, software                                                *
+ * distributed under the License is distributed on an "AS IS" BASIS,                                                  *
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.                                           *
+ * See the License for the specific language governing permissions and                                                *
+ * limitations under the License.                                                                                     *
+ *                                                                                                                    *
+ * SPDX-License-Identifier: Apache-2.0                                                                                *
+ * ================================================================================================================== *
+ *                                                                                                                    *
+ * Context:                                                                                                           *
+ * * https://github.com/docker/login-action/issues/72                                                                 *
+ * * https://github.com/actions/runner/issues/1478                                                                    *
+ * ================================================================================================================== */
+const { spawn } = require("child_process");
+const { appendFileSync } = require("fs");
+const { EOL } = require("os");
+
+function run(cmd) {
+  const subprocess = spawn(cmd, { stdio: "inherit", shell: true });
+  subprocess.on("exit", (exitCode) => {
+    process.exitCode = exitCode;
+  });
+}
+
+const key = process.env.INPUT_KEY.toUpperCase();
+
+if ( process.env[`STATE_${key}`] !== undefined ) { // Are we in the 'post' step?
+  run(process.env.INPUT_POST);
+} else { // Otherwise, this is the main step
+  appendFileSync(process.env.GITHUB_STATE, `${key}=true${EOL}`);
+  run(process.env.INPUT_MAIN);
+}