From 82bd685c0d79dc683a118fbcf2c3e38340f49f8e Mon Sep 17 00:00:00 2001
From: Xianpeng Shen <3353385+shenxianpeng@users.noreply.github.com>
Date: Mon, 9 Nov 2026 20:27:27 +0000
Subject: [PATCH 1/3] test: cpp-linter v2 preview for cpp-linter-rs README

---
 .github/workflows/v2-preview.yml | 47 ++++++++++++++++++++++++++++++++
 src/demo.cpp                     | 11 +++++++-
 2 files changed, 57 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/v2-preview.yml

diff --git a/.github/workflows/v2-preview.yml b/.github/workflows/v2-preview.yml
new file mode 100644
index 0000000..19d6bb4
--- /dev/null
+++ b/.github/workflows/v2-preview.yml
@@ -0,0 +1,47 @@
+# Temporary: produces the cpp-linter v2 (cpp-linter-rs) preview screenshots
+# for the cpp-linter-rs README. Remove after the screenshots are taken.
+name: v2 preview
+
+on:
+  pull_request:
+    branches: [master]
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  cpp-linter:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v7
+        with:
+          persist-credentials: false
+
+      - name: Install cpp-linter v2
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: >-
+          gh release download cpp-linter/v2.0.0-rc.25
+          -R cpp-linter/cpp-linter-rs
+          --pattern cpp-linter-x86_64-unknown-linux-gnu.tar.gz
+          --output - | tar xz -C "$RUNNER_TEMP"
+
+      - name: Generate compilation database
+        run: cmake -Bbuild src
+
+      - name: Run cpp-linter
+        id: linter
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: >-
+          "$RUNNER_TEMP/cpp-linter"
+          --style=file
+          --version=21
+          --ignore=build
+          --database=build
+          --extra-arg="-std=c++14 -Wall"
+          --thread-comments=update
+          --pr-review=true
+          --file-annotations=true
+          --step-summary=true
diff --git a/src/demo.cpp b/src/demo.cpp
index 0c1db60..eafa219 100644
--- a/src/demo.cpp
+++ b/src/demo.cpp
@@ -6,12 +6,21 @@
 // using size_t from cstddef
 size_t dummyFunc(size_t i) { return i; }
 
+namespace {
+int scale(int value)
+{
+    if (value > 0)
+        return value * 3;
+    return 0;
+}
+} // namespace
+
 int main()
 {
     for (;;)
         break;
 
-    printf("Hello world!\n");
+    printf("Hello world! %d\n", scale(14));
 
     return 0;
 }

From 465b595d6e3b106dcf5240cd9b87b69aeabe476c Mon Sep 17 00:00:00 2001
From: Xianpeng Shen <3353385+shenxianpeng@users.noreply.github.com>
Date: Mon, 9 Nov 2026 20:44:39 +0000
Subject: [PATCH 2/3] test: add a format issue inside the clang-tidy fix

---
 .github/workflows/v2-preview.yml | 2 +-
 src/demo.cpp                     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/v2-preview.yml b/.github/workflows/v2-preview.yml
index 19d6bb4..e384741 100644
--- a/.github/workflows/v2-preview.yml
+++ b/.github/workflows/v2-preview.yml
@@ -12,7 +12,7 @@ permissions:
 
 jobs:
   cpp-linter:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v7
         with:
diff --git a/src/demo.cpp b/src/demo.cpp
index eafa219..9d82922 100644
--- a/src/demo.cpp
+++ b/src/demo.cpp
@@ -10,7 +10,7 @@ namespace {
 int scale(int value)
 {
     if (value > 0)
-        return value * 3;
+        return value*3;
     return 0;
 }
 } // namespace

From afcd83f11ea80d86108a3b3804f97d30ad4965f9 Mon Sep 17 00:00:00 2001
From: Xianpeng Shen <3353385+shenxianpeng@users.noreply.github.com>
Date: Mon, 9 Nov 2026 20:46:32 +0000
Subject: [PATCH 3/3] test: use the repo's .clang-tidy and one-line fixes

---
 .github/workflows/v2-preview.yml |  1 +
 src/demo.cpp                     | 10 ++++------
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/v2-preview.yml b/.github/workflows/v2-preview.yml
index e384741..3347d25 100644
--- a/.github/workflows/v2-preview.yml
+++ b/.github/workflows/v2-preview.yml
@@ -37,6 +37,7 @@ jobs:
         run: >-
           "$RUNNER_TEMP/cpp-linter"
           --style=file
+          --tidy-checks=""
           --version=21
           --ignore=build
           --database=build
diff --git a/src/demo.cpp b/src/demo.cpp
index 9d82922..c83a545 100644
--- a/src/demo.cpp
+++ b/src/demo.cpp
@@ -7,11 +7,9 @@
 size_t dummyFunc(size_t i) { return i; }
 
 namespace {
-int scale(int value)
+bool hasName(const char* name)
 {
-    if (value > 0)
-        return value*3;
-    return 0;
+    return  name;
 }
 } // namespace
 
@@ -20,7 +18,7 @@ int main()
     for (;;)
         break;
 
-    printf("Hello world! %d\n", scale(14));
+    printf("Hello world!\n");
 
-    return 0;
+    return hasName("demo") ? 0 : 42;
 }