From 9a3b5f9041fb8dc8bd6df2f2a696e9dbd5535127 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 18 Feb 2026 14:34:01 +0000
Subject: [PATCH 1/5] Initial plan


From a22a203e0f834829f457fe7ec181b990a598e943 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 18 Feb 2026 14:35:22 +0000
Subject: [PATCH 2/5] Add NixOS build workflow

Co-authored-by: squassina <8495707+squassina@users.noreply.github.com>
---
 .github/workflows/build-nixos.yml | 77 +++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 .github/workflows/build-nixos.yml

diff --git a/.github/workflows/build-nixos.yml b/.github/workflows/build-nixos.yml
new file mode 100644
index 00000000..4c4d92e6
--- /dev/null
+++ b/.github/workflows/build-nixos.yml
@@ -0,0 +1,77 @@
+name: Build (NixOS)
+
+on:
+  push:
+    branches: [main, master]
+    paths:
+      - '**.c'
+      - '**.h'
+      - '**.cpp'
+      - '**.scm'
+      - 'meson.build'
+      - 'meson_options.txt'
+      - 'flake.nix'
+      - 'nix/**'
+      - 'protocols/**'
+      - '.github/workflows/build-nixos.yml'
+  pull_request:
+    branches: [main, master]
+    paths:
+      - '**.c'
+      - '**.h'
+      - '**.cpp'
+      - '**.scm'
+      - 'meson.build'
+      - 'meson_options.txt'
+      - 'flake.nix'
+      - 'nix/**'
+      - 'protocols/**'
+      - '.github/workflows/build-nixos.yml'
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@v27
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+
+      - name: Build project with Nix
+        run: |
+          nix build --print-build-logs
+
+      - name: Check build outputs
+        run: |
+          echo "✅ Build completed successfully!"
+          echo "Built executables:"
+          ls -lh result/bin/
+
+      - name: Verify executables
+        run: |
+          # Check that mango executable exists and is executable
+          if [ -x "result/bin/mango" ]; then
+            echo "✅ mango executable found and is executable"
+            result/bin/mango --version || echo "Note: --version may not be supported"
+          else
+            echo "❌ mango executable not found or not executable"
+            exit 1
+          fi
+          
+          # Check that mmsg executable exists and is executable
+          if [ -x "result/bin/mmsg" ]; then
+            echo "✅ mmsg executable found and is executable"
+            result/bin/mmsg --help || echo "Note: --help may not be supported"
+          else
+            echo "❌ mmsg executable not found or not executable"
+            exit 1
+          fi

From 2c731428900b38462c676acf06d342bc79cfb9ca Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 18 Feb 2026 14:36:02 +0000
Subject: [PATCH 3/5] Document NixOS build workflow in README

Co-authored-by: squassina <8495707+squassina@users.noreply.github.com>
---
 .github/workflows/README.md | 53 +++++++++++++++++++++++++++++++++----
 1 file changed, 48 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/README.md b/.github/workflows/README.md
index f5ff96a5..07ca2bc6 100644
--- a/.github/workflows/README.md
+++ b/.github/workflows/README.md
@@ -6,7 +6,8 @@ This directory contains the GitHub Actions workflows for the MangoWC project.
 
 ### build.yml
 
-**Purpose**: Builds the project to ensure code changes compile successfully.
+**Purpose**: Builds the project on Arch Linux to ensure code changes compile
+successfully.
 
 **Triggers**:
 
@@ -46,6 +47,47 @@ This directory contains the GitHub Actions workflows for the MangoWC project.
 - All system packages from pacman (wayland, libinput, wlroots, mesa, etc.)
 - scenefx from AUR
 
+### build-nixos.yml
+
+**Purpose**: Builds the project on NixOS using Nix flakes to ensure code
+changes work correctly in the NixOS ecosystem.
+
+**Triggers**:
+
+- Push to `main` or `master` branch (only when code files change)
+- Pull requests to `main` or `master` branch (only when code files change)
+- Manual dispatch (workflow_dispatch)
+
+**Path filters** (only runs when these change):
+
+- Source files: `**.c`, `**.h`, `**.cpp`, `**.scm`
+- Build files: `meson.build`, `meson_options.txt`, `flake.nix`
+- Nix files: `nix/**`
+- Protocol definitions: `protocols/**`
+- Workflow file itself: `.github/workflows/build-nixos.yml`
+
+**What it does**:
+
+1. Runs on Ubuntu with Nix installed
+2. Installs Nix with flakes and nix-command experimental features
+3. Builds the project using `nix build` with the repository's flake.nix
+4. Verifies that executables (mango and mmsg) are created and executable
+5. Tests basic executable functionality
+
+**Build Strategy**:
+
+- Uses Nix flakes for reproducible builds
+- All dependencies managed through Nix
+- Leverages the repository's flake.nix configuration
+- Dependencies from nixpkgs-unstable
+
+**Dependencies**:
+
+- Nix package manager with flakes support
+- All dependencies defined in flake.nix and nix/default.nix
+- scenefx from upstream flake
+- wlroots 0.19 from nixpkgs
+
 ### docs.yml
 
 **Purpose**: Validates markdown documentation for style and formatting consistency.
@@ -100,11 +142,11 @@ This directory contains the GitHub Actions workflows for the MangoWC project.
 
 ## Development Notes
 
-The build workflow ensures that:
+The build workflows ensure that:
 
-- Only runs when actual code or build configuration changes
+- Only run when actual code or build configuration changes
 - All dependencies are properly installed
-- The project compiles without errors
+- The project compiles without errors on both Arch Linux and NixOS
 - Both main executables (`mango` and `mmsg`) are built successfully
 
 The docs workflow ensures that:
@@ -113,8 +155,9 @@ The docs workflow ensures that:
 - Documentation follows consistent formatting
 - Markdown files are well-formed and free of common issues
 
-If the build workflow fails, check:
+If a build workflow fails, check:
 
 1. Dependencies are up to date in the workflow file
 2. wlroots and scenefx versions match requirements in meson.build
 3. Build configuration in meson.build hasn't changed
+4. For NixOS builds: flake.nix and nix/default.nix are correctly configured

From 8de9685457e6fe1092a0f2c4ed6b6fc3b76a165d Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 18 Feb 2026 14:42:50 +0000
Subject: [PATCH 4/5] Rename build.yml to build-arch.yml and add different
 checks for each platform

Co-authored-by: squassina <8495707+squassina@users.noreply.github.com>
---
 .github/workflows/README.md                   | 43 +++++++++++++------
 .../workflows/{build.yml => build-arch.yml}   | 26 ++++++++---
 .github/workflows/build-nixos.yml             | 11 +++++
 3 files changed, 60 insertions(+), 20 deletions(-)
 rename .github/workflows/{build.yml => build-arch.yml} (75%)

diff --git a/.github/workflows/README.md b/.github/workflows/README.md
index 07ca2bc6..b32c6b61 100644
--- a/.github/workflows/README.md
+++ b/.github/workflows/README.md
@@ -4,10 +4,10 @@ This directory contains the GitHub Actions workflows for the MangoWC project.
 
 ## Workflows
 
-### build.yml
+### build-arch.yml
 
 **Purpose**: Builds the project on Arch Linux to ensure code changes compile
-successfully.
+successfully and code is properly formatted.
 
 **Triggers**:
 
@@ -20,17 +20,18 @@ successfully.
 - Source files: `**.c`, `**.h`, `**.cpp`, `**.scm`
 - Build files: `meson.build`, `meson_options.txt`, `flake.nix`
 - Protocol definitions: `protocols/**`
-- Workflow file itself: `.github/workflows/build.yml`
+- Workflow file itself: `.github/workflows/build-arch.yml`
 
 **What it does**:
 
 1. Runs in Arch Linux container (archlinux:latest)
-2. Updates system and installs all dependencies via pacman
-3. Installs wlroots from official Arch repositories
-4. Installs scenefx from AUR (Arch User Repository)
-5. Configures the project with meson
-6. Builds the project with ninja
-7. Verifies the executables were created
+2. Checks C/C++ code formatting with clang-format
+3. Updates system and installs all dependencies via pacman
+4. Installs wlroots from official Arch repositories
+5. Installs scenefx from AUR (Arch User Repository)
+6. Configures the project with meson
+7. Builds the project with ninja
+8. Verifies the executables were created
 
 **Build Strategy**:
 
@@ -39,9 +40,15 @@ successfully.
 - wlroots installed from official Arch repositories
 - scenefx installed from AUR
 
+**Code Quality Checks**:
+
+- Validates C/C++ code formatting with clang-format (LLVM style with tabs)
+- Fails if code doesn't match the formatting defined in `.clang-format`
+
 **Dependencies**:
 
 - Arch Linux container (archlinux:latest)
+- clang-format for code formatting checks
 - Meson build system
 - Ninja build tool
 - All system packages from pacman (wayland, libinput, wlroots, mesa, etc.)
@@ -69,10 +76,11 @@ changes work correctly in the NixOS ecosystem.
 **What it does**:
 
 1. Runs on Ubuntu with Nix installed
-2. Installs Nix with flakes and nix-command experimental features
-3. Builds the project using `nix build` with the repository's flake.nix
-4. Verifies that executables (mango and mmsg) are created and executable
-5. Tests basic executable functionality
+2. Validates the flake with `nix flake check`
+3. Checks Nix code formatting with alejandra (the formatter defined in flake.nix)
+4. Builds the project using `nix build` with the repository's flake.nix
+5. Verifies that executables (mango and mmsg) are created and executable
+6. Tests basic executable functionality
 
 **Build Strategy**:
 
@@ -81,6 +89,12 @@ changes work correctly in the NixOS ecosystem.
 - Leverages the repository's flake.nix configuration
 - Dependencies from nixpkgs-unstable
 
+**Code Quality Checks**:
+
+- Validates flake structure and outputs with `nix flake check`
+- Checks Nix code formatting with alejandra formatter
+- Ensures flake.nix and nix/*.nix files are properly formatted
+
 **Dependencies**:
 
 - Nix package manager with flakes support
@@ -148,6 +162,7 @@ The build workflows ensure that:
 - All dependencies are properly installed
 - The project compiles without errors on both Arch Linux and NixOS
 - Both main executables (`mango` and `mmsg`) are built successfully
+- Code formatting standards are enforced (clang-format for C/C++, alejandra for Nix)
 
 The docs workflow ensures that:
 
@@ -161,3 +176,5 @@ If a build workflow fails, check:
 2. wlroots and scenefx versions match requirements in meson.build
 3. Build configuration in meson.build hasn't changed
 4. For NixOS builds: flake.nix and nix/default.nix are correctly configured
+5. For Arch builds: Code is properly formatted (run `./format.sh` to fix)
+6. For NixOS builds: Nix files are properly formatted (run `nix fmt` to fix)
diff --git a/.github/workflows/build.yml b/.github/workflows/build-arch.yml
similarity index 75%
rename from .github/workflows/build.yml
rename to .github/workflows/build-arch.yml
index 664fc5f6..e2a2936c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build-arch.yml
@@ -1,4 +1,4 @@
-name: Build
+name: Build (Arch Linux)
 
 on:
   push:
@@ -12,7 +12,7 @@ on:
       - 'meson_options.txt'
       - 'flake.nix'
       - 'protocols/**'
-      - '.github/workflows/build.yml'
+      - '.github/workflows/build-arch.yml'
   pull_request:
     branches: [main, master]
     paths:
@@ -24,7 +24,7 @@ on:
       - 'meson_options.txt'
       - 'flake.nix'
       - 'protocols/**'
-      - '.github/workflows/build.yml'
+      - '.github/workflows/build-arch.yml'
   workflow_dispatch:
 
 jobs:
@@ -39,12 +39,24 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Check C/C++ code formatting
+        run: |
+          # Install clang-format
+          pacman -Syu --noconfirm
+          pacman -S --noconfirm clang
+          
+          # Check if code is properly formatted
+          echo "Checking code formatting with clang-format..."
+          clang-format --dry-run --Werror src/*/*.h src/*/*.c src/mango.c mmsg/mmsg.c mmsg/arg.h mmsg/dynarr.h || {
+            echo "❌ Code formatting check failed!"
+            echo "Run './format.sh' to fix formatting issues."
+            exit 1
+          }
+          echo "✅ Code formatting check passed!"
+
       - name: Update system and install dependencies
         run: |
-          # Update package database
-          pacman -Syu --noconfirm
-          
-          # Install build tools and all dependencies
+          # Install build tools and all dependencies (system already updated in format check)
           pacman -S --noconfirm \
             base-devel \
             git \
diff --git a/.github/workflows/build-nixos.yml b/.github/workflows/build-nixos.yml
index 4c4d92e6..53ee3c1d 100644
--- a/.github/workflows/build-nixos.yml
+++ b/.github/workflows/build-nixos.yml
@@ -46,6 +46,17 @@ jobs:
           extra_nix_config: |
             experimental-features = nix-command flakes
 
+      - name: Check Nix flake
+        run: |
+          echo "Running nix flake check..."
+          nix flake check --print-build-logs
+
+      - name: Check Nix formatting with alejandra
+        run: |
+          echo "Checking Nix code formatting..."
+          nix fmt -- --check .
+          echo "✅ Nix formatting check passed!"
+
       - name: Build project with Nix
         run: |
           nix build --print-build-logs

From b1438b7e71c367aa8edab4c3e7c6f543d44129b4 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 18 Feb 2026 14:55:34 +0000
Subject: [PATCH 5/5] Remove code formatting checks from both workflows

Co-authored-by: squassina <8495707+squassina@users.noreply.github.com>
---
 .github/workflows/README.md       | 39 +++++++++----------------------
 .github/workflows/build-arch.yml  | 20 ++++------------
 .github/workflows/build-nixos.yml | 11 ---------
 3 files changed, 15 insertions(+), 55 deletions(-)

diff --git a/.github/workflows/README.md b/.github/workflows/README.md
index b32c6b61..93b20afc 100644
--- a/.github/workflows/README.md
+++ b/.github/workflows/README.md
@@ -7,7 +7,7 @@ This directory contains the GitHub Actions workflows for the MangoWC project.
 ### build-arch.yml
 
 **Purpose**: Builds the project on Arch Linux to ensure code changes compile
-successfully and code is properly formatted.
+successfully.
 
 **Triggers**:
 
@@ -25,13 +25,12 @@ successfully and code is properly formatted.
 **What it does**:
 
 1. Runs in Arch Linux container (archlinux:latest)
-2. Checks C/C++ code formatting with clang-format
-3. Updates system and installs all dependencies via pacman
-4. Installs wlroots from official Arch repositories
-5. Installs scenefx from AUR (Arch User Repository)
-6. Configures the project with meson
-7. Builds the project with ninja
-8. Verifies the executables were created
+2. Updates system and installs all dependencies via pacman
+3. Installs wlroots from official Arch repositories
+4. Installs scenefx from AUR (Arch User Repository)
+5. Configures the project with meson
+6. Builds the project with ninja
+7. Verifies the executables were created
 
 **Build Strategy**:
 
@@ -40,15 +39,9 @@ successfully and code is properly formatted.
 - wlroots installed from official Arch repositories
 - scenefx installed from AUR
 
-**Code Quality Checks**:
-
-- Validates C/C++ code formatting with clang-format (LLVM style with tabs)
-- Fails if code doesn't match the formatting defined in `.clang-format`
-
 **Dependencies**:
 
 - Arch Linux container (archlinux:latest)
-- clang-format for code formatting checks
 - Meson build system
 - Ninja build tool
 - All system packages from pacman (wayland, libinput, wlroots, mesa, etc.)
@@ -76,11 +69,10 @@ changes work correctly in the NixOS ecosystem.
 **What it does**:
 
 1. Runs on Ubuntu with Nix installed
-2. Validates the flake with `nix flake check`
-3. Checks Nix code formatting with alejandra (the formatter defined in flake.nix)
-4. Builds the project using `nix build` with the repository's flake.nix
-5. Verifies that executables (mango and mmsg) are created and executable
-6. Tests basic executable functionality
+2. Installs Nix with flakes and nix-command experimental features
+3. Builds the project using `nix build` with the repository's flake.nix
+4. Verifies that executables (mango and mmsg) are created and executable
+5. Tests basic executable functionality
 
 **Build Strategy**:
 
@@ -89,12 +81,6 @@ changes work correctly in the NixOS ecosystem.
 - Leverages the repository's flake.nix configuration
 - Dependencies from nixpkgs-unstable
 
-**Code Quality Checks**:
-
-- Validates flake structure and outputs with `nix flake check`
-- Checks Nix code formatting with alejandra formatter
-- Ensures flake.nix and nix/*.nix files are properly formatted
-
 **Dependencies**:
 
 - Nix package manager with flakes support
@@ -162,7 +148,6 @@ The build workflows ensure that:
 - All dependencies are properly installed
 - The project compiles without errors on both Arch Linux and NixOS
 - Both main executables (`mango` and `mmsg`) are built successfully
-- Code formatting standards are enforced (clang-format for C/C++, alejandra for Nix)
 
 The docs workflow ensures that:
 
@@ -176,5 +161,3 @@ If a build workflow fails, check:
 2. wlroots and scenefx versions match requirements in meson.build
 3. Build configuration in meson.build hasn't changed
 4. For NixOS builds: flake.nix and nix/default.nix are correctly configured
-5. For Arch builds: Code is properly formatted (run `./format.sh` to fix)
-6. For NixOS builds: Nix files are properly formatted (run `nix fmt` to fix)
diff --git a/.github/workflows/build-arch.yml b/.github/workflows/build-arch.yml
index e2a2936c..cc50cb40 100644
--- a/.github/workflows/build-arch.yml
+++ b/.github/workflows/build-arch.yml
@@ -39,24 +39,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Check C/C++ code formatting
-        run: |
-          # Install clang-format
-          pacman -Syu --noconfirm
-          pacman -S --noconfirm clang
-          
-          # Check if code is properly formatted
-          echo "Checking code formatting with clang-format..."
-          clang-format --dry-run --Werror src/*/*.h src/*/*.c src/mango.c mmsg/mmsg.c mmsg/arg.h mmsg/dynarr.h || {
-            echo "❌ Code formatting check failed!"
-            echo "Run './format.sh' to fix formatting issues."
-            exit 1
-          }
-          echo "✅ Code formatting check passed!"
-
       - name: Update system and install dependencies
         run: |
-          # Install build tools and all dependencies (system already updated in format check)
+          # Update package database
+          pacman -Syu --noconfirm
+          
+          # Install build tools and all dependencies
           pacman -S --noconfirm \
             base-devel \
             git \
diff --git a/.github/workflows/build-nixos.yml b/.github/workflows/build-nixos.yml
index 53ee3c1d..4c4d92e6 100644
--- a/.github/workflows/build-nixos.yml
+++ b/.github/workflows/build-nixos.yml
@@ -46,17 +46,6 @@ jobs:
           extra_nix_config: |
             experimental-features = nix-command flakes
 
-      - name: Check Nix flake
-        run: |
-          echo "Running nix flake check..."
-          nix flake check --print-build-logs
-
-      - name: Check Nix formatting with alejandra
-        run: |
-          echo "Checking Nix code formatting..."
-          nix fmt -- --check .
-          echo "✅ Nix formatting check passed!"
-
       - name: Build project with Nix
         run: |
           nix build --print-build-logs