Split push vs. pull_request lint tooling (#426)

.github/workflows/reviewdog.yml

@@ -0,0 +1,16 @@
+name: Reviewdog
+on: [pull_request]
+jobs:
+  vint:
+    strategy:
+      fail-fast: false
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Lint Vimscript in PR changes
+      uses: reviewdog/action-vint@v1
+      with:
+        github_token: ${{ secrets.github_token }}
+        reporter: github-pr-review
+        level: info

.github/workflows/vint.yml

@@ -1,5 +1,5 @@
 name: Vint
-on: [push, pull_request]
+on: [push]
 jobs:
   vint:
     strategy:
@@ -7,11 +7,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@master
-    - name: Run vint with reviewdog
-      uses: reviewdog/action-vint@v1.0.1
-      with:
-        github_token: ${{ secrets.github_token }}
-        reporter: github-pr-review
-
-
+      uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+    - name: Setup dependencies
+      run: pip install vim-vint
+    - name: Lint Vimscript
+      run: vint .

README.md

@@ -1,4 +1,6 @@
-# NERD Commenter [![Vint](https://github.com/preservim/nerdcommenter/workflows/Vint/badge.svg)](https://github.com/preservim/nerdcommenter/actions?workflow=Vint)
+# NERD Commenter
+
+[![Vint](https://github.com/preservim/nerdcommenter/workflows/Vint/badge.svg)](https://github.com/preservim/nerdcommenter/actions?workflow=Vint)
 
 Comment functions so powerful—no comment necessary.