From df03a946e04f4e6753851a9a6b3b7b0de82f37a8 Mon Sep 17 00:00:00 2001
From: "Paulo F. Oliveira" <paulo.ferraz.oliveira@gmail.com>
Date: Tue, 22 Feb 2022 10:54:04 +0000
Subject: [PATCH] Fix 3rd party license updater (#92)

Instead of pushing directly (since the main branch is protected) this creates a pull request
---
 .../workflows/update_3rd_party_licenses.sh    | 23 +++++++++++++++----
 .../workflows/update_3rd_party_licenses.yml   |  2 ++
 2 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/update_3rd_party_licenses.sh b/.github/workflows/update_3rd_party_licenses.sh
index e45e1ea..7ab6518 100755
--- a/.github/workflows/update_3rd_party_licenses.sh
+++ b/.github/workflows/update_3rd_party_licenses.sh
@@ -4,10 +4,25 @@ set -eux
 
 git config user.name "GitHub Actions"
 git config user.email "actions@user.noreply.github.com"
-git checkout main
 
+BRANCH=feature/3rd-party-licenses-update
+
+if git branch -a | grep "$BRANCH" > /dev/null; then
+    # already exists
+    exit
+fi
+
+git fetch origin
+git checkout -b "$BRANCH"
 npm run licenses
 
-git add 3RD_PARTY_LICENSES
-git commit -m "Update 3rd party licenses" || true
-git push origin
+if ! git diff --exit-code 1> /dev/null ; then
+    # there's stuff to push
+    git add 3RD_PARTY_LICENSES
+    git commit -m "Update 3rd party licenses"
+    git push origin "$BRANCH"
+
+    gh pr create --fill \
+        --title "Update 3rd party licenses (automation)" \
+        --body "This is an automated action to update the action's 3rd party licenses"
+fi
diff --git a/.github/workflows/update_3rd_party_licenses.yml b/.github/workflows/update_3rd_party_licenses.yml
index 25a949a..5da8dd5 100644
--- a/.github/workflows/update_3rd_party_licenses.yml
+++ b/.github/workflows/update_3rd_party_licenses.yml
@@ -17,3 +17,5 @@ jobs:
           node-version: '14'
       - run:
           ./.github/workflows/update_3rd_party_licenses.sh
+        env:
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}