From 6d65cb6f8403679fa5368792bc94fe34675efddd Mon Sep 17 00:00:00 2001
From: Sombrio <sombrio@sombrasoft.dev>
Date: Thu, 25 Sep 2025 08:26:51 +0000
Subject: [PATCH 1/2] Fix(bazel) Correct Bazel lint errors in BUILD file

Signed-off-by: Sombrio <sombrio@sombrasoft.dev>
---
 BUILD | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/BUILD b/BUILD
index a3bfa0b1..25dfe2b3 100644
--- a/BUILD
+++ b/BUILD
@@ -1,6 +1,8 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright (c) 2025, The OpenROAD Authors
 
+load("@rules_cc//cc:cc_binary.bzl", "cc_binary")
+load("@rules_cc//cc:cc_library.bzl", "cc_library")
 load("@rules_hdl//dependency_support/com_github_westes_flex:flex.bzl", "genlex")
 load("@rules_hdl//dependency_support/org_gnu_bison:bison.bzl", "genyacc")
 load("//bazel:tcl_encode_sta.bzl", "tcl_encode_sta")
@@ -302,7 +304,6 @@ cc_library(
     name = "opensta_lib",
     srcs = parser_cc + parser_headers + glob(
         include = [
-            "app/StaMain.cc",
             "dcalc/*.cc",
             "dcalc/*.hh",
             "graph/*.cc",
@@ -333,6 +334,7 @@ cc_library(
             "util/Machine*.cc",
         ],
     ) + [
+        "app/StaMain.cc",
         "util/Machine.cc",
         ":StaConfig",
     ],

From 52e7223eb4f5edb28ace13012ef5ec34d29825f2 Mon Sep 17 00:00:00 2001
From: Sombrio <sombrio@sombrasoft.dev>
Date: Thu, 25 Sep 2025 08:36:31 +0000
Subject: [PATCH 2/2] Improve(bazel) Add buildifier lint and format github
 actions

Signed-off-by: Sombrio <sombrio@sombrasoft.dev>
---
 .github/workflows/buildifier.yaml | 44 +++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 .github/workflows/buildifier.yaml

diff --git a/.github/workflows/buildifier.yaml b/.github/workflows/buildifier.yaml
new file mode 100644
index 00000000..c874a0f2
--- /dev/null
+++ b/.github/workflows/buildifier.yaml
@@ -0,0 +1,44 @@
+name: Lint Bazel
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  buildifier:
+    runs-on: 'ubuntu-latest'
+    strategy:
+      fail-fast: false
+      matrix:
+        check:
+          - name: Run buildifier format
+            run: ./buildifier -r -mode=check -lint=off .
+          - name: Run buildifier lint
+            run: ./buildifier -r -lint=warn .
+    name: ${{ matrix.check.name }}
+    env:
+      BUILDIFIER_VERSION: v8.2.1
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v5
+
+      - name: Cache buildifier
+        id: cache-buildifier
+        uses: actions/cache@v4
+        with:
+          path: ./buildifier
+          key: ${{ runner.os }}-buildifier-${{ env.BUILDIFIER_VERSION }}
+
+      - name: Download buildifier
+        if: steps.cache-buildifier.outputs.cache-hit != 'true'
+        run: |
+          wget https://github.com/bazelbuild/buildtools/releases/download/${BUILDIFIER_VERSION}/buildifier-linux-amd64 -O buildifier
+          chmod +x buildifier
+
+      - name: ${{ matrix.check.name }}
+        run: ${{ matrix.check.run }}