Add Version check

.github/actions/buildpack-pr-check/action.yml

@@ -0,0 +1,11 @@
+name: "Checks whether a PR is buildpack related"
+description: "Checks whether a PR is buildpack related"
+inputs:
+  token:
+    description: "GitHub access token"
+    required: true
+    default: ""
+runs:
+  using: "node12"
+  main: "dist/index.js"
+

.github/actions/buildpack-pr-check/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "buildpack-pr-check",
+  "version": "1.0.0",
+  "description": "An action that checks whether a pr was buildpack related",
+  "private": true,
+  "main": "index.js",
+  "scripts": {
+    "build": "tsc"
+  },
+  "keywords": [],
+  "author": "Alexander Arlt",
+  "license": "MIT",
+  "dependencies": {
+    "@actions/core": "^1.2.4",
+    "@actions/github": "^2.1.1"
+  },
+  "devDependencies": {
+    "typescript": "^3.8.3"
+  }
+}

.github/actions/buildpack-pr-check/src/index.ts

@@ -0,0 +1,48 @@
+import * as core from "@actions/core";
+import * as github from "@actions/github";
+
+async function run() {
+  const token = core.getInput("token");
+
+  const octokit = new github.GitHub(token);
+  const context = github.context;
+
+  const comments = await octokit.issues.listComments({
+    ...context.repo,
+    issue_number: context.payload.pull_request!.number
+  });
+
+  const actionComment = comments.data.find(
+      comment => comment.body.indexOf("Package: ") >= 0 &&
+          comment.body.indexOf("Version: ") >= 0 &&
+          comment.body.indexOf("Action: ") >= 0 &&
+          comment.body.indexOf("Artifact: ") >= 0 &&
+          comment.body.indexOf("Commit: ") >= 0
+  );
+
+  if (actionComment) {
+    let pack = actionComment!.body.substr(actionComment!.body.indexOf("Package: ") + 9)
+    pack = pack.substr(0, pack.indexOf("\n"));
+    let version = actionComment!.body.substr(actionComment!.body.indexOf("Version: ") + 9)
+    version = version.substr(0, version.indexOf("\n"));
+    let action = actionComment!.body.substr(actionComment!.body.indexOf("Action: ") + 8)
+    action = action.substr(0, action.indexOf("\n"));
+    let artifact = actionComment!.body.substr(actionComment!.body.indexOf("Artifact: ") + 10)
+    artifact = artifact.substr(0, artifact.indexOf("\n"));
+    let commit = actionComment!.body.substr(actionComment!.body.indexOf("Commit: ") + 8)
+
+    core.setOutput("package", pack.trim());
+    core.setOutput("version", version.trim());
+    core.setOutput("action", action.trim());
+    core.setOutput("artifact", artifact.trim());
+    core.setOutput("commit", commit.trim());
+
+    console.log("package", pack.trim());
+    console.log("version", version.trim());
+    console.log("action", action.trim());
+    console.log("artifact", artifact.trim());
+    console.log("commit", commit.trim());
+  }
+}
+
+run();

.github/actions/buildpack-pr-check/tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "module": "commonjs",
+    "strict": true,
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "outDir": "dist"
+  }
+}

.github/actions/buildpack-pr-comment/action.yml

@@ -0,0 +1,26 @@
+name: "Add comment to current PR"
+description: "Adds a comment to current PR"
+inputs:
+  token:
+    description: "GitHub access token"
+    required: true
+    default: ""
+  action-id:
+    description: "GitHub Action ID"
+    required: true
+    default: ""
+  package-name:
+    description: "Name of the package being released"
+    required: true
+    default: "Something like buildpack-ubuntu2004"
+  package-version:
+    description: "Version of the package being released"
+    required: true
+    default: "Something like 1.0.0"
+  artifact:
+    description: "Name of the artifact"
+    required: true
+    default: "Something like buildpack-ubuntu2004-d12f0d12c9f69baa7b825033b2f9c89acea738bf1ae734efa4b343833f897e1d"
+runs:
+  using: "node12"
+  main: "dist/index.js"