Run CI tests on Alpine (#607)

See: #606
Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

Author: jviotti

.github/workflows/test.yml

@@ -26,6 +26,12 @@ jobs:
             cc: gcc
             cxx: g++
             shell: sh
+          - os: ubuntu-latest
+            type: container
+            container: alpine:3.21
+            cc: gcc
+            cxx: g++
+            shell: sh
           - os: macos-15-intel
             type: native
             cc: clang
@@ -48,6 +54,7 @@ jobs:
         shell: ${{ matrix.platform.shell }}
 
     runs-on: ${{ matrix.platform.os }}
+    container: ${{ matrix.platform.container }}
     env:
       CC: ${{ matrix.platform.cc }}
       CXX: ${{ matrix.platform.cxx }}
@@ -60,6 +67,10 @@ jobs:
           additional-packages: cmake build-essential shellcheck pipx zsh jq
           wsl-version: 2
 
+      - name: Install dependencies (Alpine)
+        if: matrix.platform.type == 'container'
+        run: apk add --no-cache cmake make g++ zsh bash jq shellcheck pipx git
+
       - name: Install pre-commit
         run: pipx install pre-commit
       - name: Surface pipx binaries to WSL
@@ -78,7 +89,7 @@ jobs:
         if: runner.os == 'windows' && matrix.platform.type == 'native'
         run: choco install shellcheck
       - name: Install dependencies (Linux)
-        if: runner.os == 'linux'
+        if: runner.os == 'linux' && matrix.platform.type == 'native'
         run: sudo apt-get update --yes && sudo apt-get install --yes zsh
 
       - run: cmake --version
@@ -93,6 +104,8 @@ jobs:
           -DBUILD_SHARED_LIBS:BOOL=OFF
           -DCMAKE_COMPILE_WARNING_AS_ERROR:BOOL=ON
       - run: cmake --build ./build --config Release --target clang_format_test
+        # TODO: As the downloaded `clang-format` binary won't run on Alpine
+        if: matrix.platform.type != 'container'
       - run: cmake --build ./build --config Release --target shellcheck
       - run: cmake --build ./build --config Release --parallel 4
       - run: >

test/ci/precommit_lint.sh

@@ -3,6 +3,9 @@
 set -o errexit
 set -o nounset
 
+# Ensure pipx-installed binaries are in PATH
+export PATH="$HOME/.local/bin:$PATH"
+
 TMP="$(mktemp -d)"
 clean() { rm -rf "$TMP"; }
 trap clean EXIT

test/format/fail_check_single_json.sh

@@ -7,9 +7,9 @@ TMP="$(mktemp -d)"
 clean() { rm -rf "$TMP"; }
 trap clean EXIT
 
-mkdir -p "$TMP/this/is/a/very/very/very/long/path"
+mkdir -p "$TMP/this/is/a/very/very/very/very/very/very/long/path"
 
-cat << 'EOF' > "$TMP/this/is/a/very/very/very/long/path/schema.json"
+cat << 'EOF' > "$TMP/this/is/a/very/very/very/very/very/very/long/path/schema.json"
 {
   "type": "string",
   "$schema": "http://json-schema.org/draft-04/schema#",
@@ -18,15 +18,15 @@ cat << 'EOF' > "$TMP/this/is/a/very/very/very/long/path/schema.json"
 }
 EOF
 
-"$1" fmt "$TMP/this/is/a/very/very/very/long/path/schema.json" \
+"$1" fmt "$TMP/this/is/a/very/very/very/very/very/very/long/path/schema.json" \
   --check --json >"$TMP/output.json" 2>&1 && CODE="$?" || CODE="$?"
 test "$CODE" = "2" || exit 1
 
 cat << EOF > "$TMP/expected.json"
 {
   "valid": false,
   "errors": [
-    "$(realpath "$TMP")/this/is/a/very/very/very/long/path/schema.json"
+    "$(realpath "$TMP")/this/is/a/very/very/very/very/very/very/long/path/schema.json"
   ]
 }
 EOF