From 0c3fc19cdf4ab04ecc48f2810d75098e6975d4eb Mon Sep 17 00:00:00 2001
From: gandarfh <jgdsantosferreira@gmail.com>
Date: Sat, 20 Jun 2026 18:42:03 -0300
Subject: [PATCH] Add CI and quality workflows

---
 .github/dependabot.yml         |  6 ++++++
 .github/workflows/quality.yml  | 38 ++++++++++++++++++++++++++++++++++
 .github/workflows/security.yml | 21 +++++++++++++++++++
 scripts/check-file-size.sh     | 18 ++++++++++++++++
 4 files changed, 83 insertions(+)
 create mode 100644 .github/dependabot.yml
 create mode 100644 .github/workflows/quality.yml
 create mode 100644 .github/workflows/security.yml
 create mode 100755 scripts/check-file-size.sh

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..c75e875
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule:
+      interval: weekly
diff --git a/.github/workflows/quality.yml b/.github/workflows/quality.yml
new file mode 100644
index 0000000..6922a6e
--- /dev/null
+++ b/.github/workflows/quality.yml
@@ -0,0 +1,38 @@
+name: Quality
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  duplication:
+    name: Duplication (jscpd)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+      - run: >
+          npx --yes jscpd .
+          --threshold 3
+          --reporters consoleFull
+          --ignore "**/target/**,**/_build/**,**/node_modules/**,**/dist/**,**/*.lock,src/parser.c,src/grammar.json,src/node-types.json"
+
+  file-size:
+    name: File size
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: bash scripts/check-file-size.sh
+
+  typos:
+    name: Typos
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: crate-ci/typos@master
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
new file mode 100644
index 0000000..9a5aba8
--- /dev/null
+++ b/.github/workflows/security.yml
@@ -0,0 +1,21 @@
+name: Security
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  secrets:
+    name: Secret scan (TruffleHog)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: trufflesecurity/trufflehog@main
+        with:
+          extra_args: --only-verified
diff --git a/scripts/check-file-size.sh b/scripts/check-file-size.sh
new file mode 100755
index 0000000..942c929
--- /dev/null
+++ b/scripts/check-file-size.sh
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+# Fails when a tracked source file exceeds the size ceiling.
+# Guideline: target ~300 lines per file; hard ceiling 800 before splitting.
+set -euo pipefail
+LIMIT="${FILE_SIZE_LIMIT:-800}"
+fail=0
+while IFS= read -r f; do
+  [ -f "$f" ] || continue
+  lines=$(wc -l < "$f")
+  if [ "$lines" -gt "$LIMIT" ]; then
+    echo "::error file=$f::$f has $lines lines (limit $LIMIT)"
+    fail=1
+  fi
+done < <(git ls-files \
+  '*.ml' '*.mli' '*.rs' '*.ts' '*.js' '*.go' '*.py' '*.java' \
+  | grep -vE '(^|/)(target|_build|node_modules|dist)/' || true)
+[ "$fail" -eq 0 ] && echo "All source files within the $LIMIT-line ceiling."
+exit "$fail"