From 06c023cc1a473f0e612943253de5ddfc0eb63556 Mon Sep 17 00:00:00 2001
From: Samuel Holmes <sam@edge.app>
Date: Thu, 1 Jul 2021 14:47:54 -0700
Subject: [PATCH] Add and use autosquash action input

By using an input to trigger whether to rebase with autosquash, we can
enable other kinds of workflow configurations (e.g. other events and
criteria).
---
 README.md     | 2 ++
 action.yml    | 5 +++++
 entrypoint.sh | 6 +++++-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 2667b7f..f824efa 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,8 @@ jobs:
           fetch-depth: 0 # otherwise, you will fail to push refs to dest repo
       - name: Automatic Rebase
         uses: cirrus-actions/rebase@1.4
+        with:
+          autosquash: ${{ contains(github.event.comment.body, '/rebase-autosquash') }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 ```
diff --git a/action.yml b/action.yml
index eb3d1cd..fd82666 100644
--- a/action.yml
+++ b/action.yml
@@ -4,6 +4,11 @@ maintainer: Cirrus Labs
 runs:
   using: 'docker'
   image: 'Dockerfile'
+inputs:
+  autosquash:
+    description: Should the rebase autosquash fixup and squash commits
+    required: false
+    default: false
 branding:
   icon: git-pull-request
   color: purple
\ No newline at end of file
diff --git a/entrypoint.sh b/entrypoint.sh
index a3afb4a..8f12ba9 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -97,7 +97,11 @@ git fetch fork $HEAD_BRANCH
 
 # do the rebase
 git checkout -b fork/$HEAD_BRANCH fork/$HEAD_BRANCH
-git rebase origin/$BASE_BRANCH
+if [[ $INPUT_AUTOSQUASH -eq 'true' ]]; then
+	GIT_SEQUENCE_EDITOR=: git rebase -i --autosquash origin/$BASE_BRANCH
+else
+	git rebase origin/$BASE_BRANCH
+fi
 
 # push back
 git push --force-with-lease fork fork/$HEAD_BRANCH:$HEAD_BRANCH