From bc41848d00f722dec6a3967e0867136e22ffcece Mon Sep 17 00:00:00 2001
From: will <will@256k1.dev>
Date: Tue, 5 Aug 2025 14:41:09 +0100
Subject: [PATCH] ci: port lint

Co-authored-by: Max Edwards <youwontforgetthis@gmail.com>
---
 .github/workflows/ci.yml | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1bb18164be9..fd39f3e5fb1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -525,3 +525,32 @@ jobs:
 
       - name: Save caches
         uses: ./.github/actions/save-caches
+
+  lint:
+    name: 'lint'
+    needs: runners
+    runs-on: ${{ needs.runners.outputs.use-cirrus-runners == 'true' && 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-sm' || 'ubuntu-24.04' }}
+    if: ${{ vars.SKIP_BRANCH_PUSH != 'true' || github.event_name == 'pull_request' }}
+    timeout-minutes: 20
+    env:
+      CONTAINER_NAME: "bitcoin-linter"
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: Configure Docker
+        uses: ./.github/actions/configure-docker
+        with:
+          use-cirrus: ${{ needs.runners.outputs.use-cirrus-runners }}
+
+      - name: CI script
+        run: |
+          set -o xtrace
+          docker buildx build -t "$CONTAINER_NAME" $DOCKER_BUILD_CACHE_ARG --file "./ci/lint_imagefile" .
+          CIRRUS_PR_FLAG=""
+          if [ "${{ github.event_name }}" = "pull_request" ]; then
+            CIRRUS_PR_FLAG="-e CIRRUS_PR=1"
+          fi
+          docker run --rm $CIRRUS_PR_FLAG -v "$(pwd)":/bitcoin "$CONTAINER_NAME"