From e7c6f06ce4782b8d31410567ad7130e249bac2f0 Mon Sep 17 00:00:00 2001
From: Volodymyr Kolesnykov <volodymyr@wildwolf.name>
Date: Tue, 11 Apr 2023 07:40:39 +0300
Subject: [PATCH] ci: Add ShellCheck workflow

---
 .github/problem-matcher-gcc.json | 18 ++++++++++++++++++
 .github/workflows/shellcheck.yml | 22 ++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 .github/problem-matcher-gcc.json
 create mode 100644 .github/workflows/shellcheck.yml

diff --git a/.github/problem-matcher-gcc.json b/.github/problem-matcher-gcc.json
new file mode 100644
index 00000000..cf58ce42
--- /dev/null
+++ b/.github/problem-matcher-gcc.json
@@ -0,0 +1,18 @@
+{
+  "problemMatcher": [
+    {
+      "owner": "shellcheck-gcc",
+      "pattern": [
+        {
+          "regexp": "^(.+):(\\d+):(\\d+):\\s(note|warning|error):\\s(.*)\\s\\[(SC\\d+)\\]$",
+          "file": 1,
+          "line": 2,
+          "column": 3,
+          "severity": 4,
+          "message": 5,
+          "code": 6
+        }
+      ]
+    }
+  ]
+}
diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
new file mode 100644
index 00000000..c822fbe8
--- /dev/null
+++ b/.github/workflows/shellcheck.yml
@@ -0,0 +1,22 @@
+name: ShellCheck
+
+on:
+  push:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  shellcheck:
+    name: Lint with shellcheck
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out source code
+        uses: actions/checkout@v3.5.0
+
+      - name: Add error matcher
+        run: echo "::add-matcher::$(pwd)/.github/problem-matcher-gcc.json"
+
+      - name: Run shellcheck
+        run: shellcheck -o all -s sh -f gcc $(find . -path ./.git -prune -o -type f -executable -print)