From 236e81353af020076eedce4a5494ea6f168be6e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9CJamesHenry=E2=80=9D?= <james@henry.sc>
Date: Mon, 23 Jan 2023 18:46:53 +0400
Subject: [PATCH 1/2] chore: add workflow to automatically run prettier when
 renovate updates it

---
 .github/workflows/prettier-update.yml | 46 +++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 .github/workflows/prettier-update.yml

diff --git a/.github/workflows/prettier-update.yml b/.github/workflows/prettier-update.yml
new file mode 100644
index 000000000000..db95888f3111
--- /dev/null
+++ b/.github/workflows/prettier-update.yml
@@ -0,0 +1,46 @@
+# This workflow is used to augment the capabilities of the renovate GitHub app by running a full
+# `prettier --write` when renovate opens a PR to change the version of prettier.
+
+name: Prettier Update
+
+on:
+  pull_request:
+    branches: [main]
+    paths:
+      - 'package.json'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  maybe_prettier_update:
+    # Only run if it was the renovate bot that triggered the workflow (otherwise we'll create a loop)
+    if: contains('["renovate[bot]"]', github.actor) == true
+    name: Run prettier formatting if required
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Check if prettier was changed as part of the latest commit on the PR
+        id: prettier-package-check
+        run: |
+          git diff HEAD~1 -G"prettier" --exit-code package.json && echo "prettier unchanged" || echo "::set-output name=was-changed::true"
+
+      - name: Run prettier formatting if prettier was changed and commit the results
+        if: ${{ steps.prettier-package-check.outputs.was-changed == 'true' }}
+        env:
+          # We cannot use secrets.GITHUB_TOKEN for this because it is not permitted to kick off subsequent actions worfklow runs, so we use a PAT instead
+          GITHUB_TOKEN: ${{ secrets.JAMES_HENRY_GITHUB_TOKEN }}
+        run: |
+          yarn --ignore-scripts
+          yarn format
+
+          # Commit all the changes to the PR (see note on not being able to use secrets.GITHUB_TOKEN for this)
+          git config --global user.email "james@henry.sc"
+          git config --global user.name "JamesHenry"
+          git remote set-url origin https://x-access-token:$GITHUB_TOKEN@github.com/$GITHUB_REPOSITORY.git
+
+          git add --all
+          git commit -m "chore: update formatting after prettier upgrade"
+          git push

From ade77076d0383ed1ef7343e547567acb4e73c434 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9CJamesHenry=E2=80=9D?= <james@henry.sc>
Date: Sun, 4 Jun 2023 19:42:49 +0400
Subject: [PATCH 2/2] chore: only commit when uncommitted changes detected

---
 .github/workflows/prettier-update.yml | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/prettier-update.yml b/.github/workflows/prettier-update.yml
index db95888f3111..c90c72151aef 100644
--- a/.github/workflows/prettier-update.yml
+++ b/.github/workflows/prettier-update.yml
@@ -41,6 +41,11 @@ jobs:
           git config --global user.name "JamesHenry"
           git remote set-url origin https://x-access-token:$GITHUB_TOKEN@github.com/$GITHUB_REPOSITORY.git
 
-          git add --all
-          git commit -m "chore: update formatting after prettier upgrade"
-          git push
+          # If the status is empty, there are no uncommitted changes
+          if [[ -z $(git status --porcelain) ]]; then
+            echo "No uncommitted changes"
+          else
+            git add --all
+            git commit -m "chore: update formatting after prettier upgrade"
+            git push
+          fi