From a68c8c3af6ba3f8ce21935b222e51534e8929ab2 Mon Sep 17 00:00:00 2001
From: Axel Pettersson <axel@pettersson.cc>
Date: Sun, 2 Jun 2024 23:54:54 +0200
Subject: [PATCH] chore: Update standpoints action with git helpers and check
 for differences before committing

---
 .github/workflows/update-standpoints.yml      |  2 ++
 actions/update-standpoints/action.yaml        |  4 +++
 actions/update-standpoints/src/git-helper.mjs |  2 +-
 .../update-standpoints/src/github-helper.mjs  | 26 +++++++++++++++++++
 actions/update-standpoints/src/main.mjs       | 19 +++++++++++++-
 5 files changed, 51 insertions(+), 2 deletions(-)
 create mode 100644 actions/update-standpoints/src/github-helper.mjs

diff --git a/.github/workflows/update-standpoints.yml b/.github/workflows/update-standpoints.yml
index c06fd3ee7..1b25b45d7 100644
--- a/.github/workflows/update-standpoints.yml
+++ b/.github/workflows/update-standpoints.yml
@@ -35,3 +35,5 @@ jobs:
 
       - name: Run action to potentially create PR
         uses: ./actions/update-standpoints
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/actions/update-standpoints/action.yaml b/actions/update-standpoints/action.yaml
index 5a8e1db1f..25435827b 100644
--- a/actions/update-standpoints/action.yaml
+++ b/actions/update-standpoints/action.yaml
@@ -1,5 +1,9 @@
 name: Update Standpoints
 description: Script that updates the party standpoints
+inputs:
+  github-token:
+    description: GitHub token
+    required: true
 runs:
   using: node20
   main: dist/index.mjs
diff --git a/actions/update-standpoints/src/git-helper.mjs b/actions/update-standpoints/src/git-helper.mjs
index c43f20307..279c2c6a4 100644
--- a/actions/update-standpoints/src/git-helper.mjs
+++ b/actions/update-standpoints/src/git-helper.mjs
@@ -29,7 +29,7 @@ export async function push() {
   await exec(command);
 }
 
-export async function hasDiff() {
+export async function checkHasDiff() {
   const command = ["diff", "--quiet"];
   const output = await exec(command);
   // Exit code 1 means there are differences
diff --git a/actions/update-standpoints/src/github-helper.mjs b/actions/update-standpoints/src/github-helper.mjs
new file mode 100644
index 000000000..91c99cac6
--- /dev/null
+++ b/actions/update-standpoints/src/github-helper.mjs
@@ -0,0 +1,26 @@
+import core from "@actions/core";
+import github from "@actions/github";
+
+const { context } = github;
+
+const token = core.getInput("github-token");
+const client = github.getOctokit(token);
+
+/**
+ *
+ * @param {string} title
+ * @param {string} body
+ * @param {string} head
+ * @param {string} base
+ */
+export async function createPullRequest(title, body, head, base = "main") {
+  const { data } = await client.rest.pulls.create({
+    owner: context.repo.owner,
+    repo: context.repo.repo,
+    title: title,
+    body,
+    head,
+    base,
+  });
+  return data;
+}
diff --git a/actions/update-standpoints/src/main.mjs b/actions/update-standpoints/src/main.mjs
index d94a5cbfc..8f9cf39e8 100644
--- a/actions/update-standpoints/src/main.mjs
+++ b/actions/update-standpoints/src/main.mjs
@@ -1,3 +1,20 @@
 // @ts-check
+import github from "@actions/github";
 
-console.log("Hello from update-standpoints!");
+import { add, checkHasDiff, checkout, commit, push } from "./git-helper.mjs";
+
+const hasDiff = await checkHasDiff();
+
+if (!hasDiff) {
+  console.log("No changes detected, exiting...");
+  process.exit(0);
+}
+
+const runId = github.context.runId;
+const branchName = `update-standpoints-${runId}`;
+
+// Checkout and push changes
+await checkout(branchName, "main");
+await add();
+await commit("Update standpoints");
+await push();