CMakeLists.txt

cmake_minimum_required(VERSION 3.15)

# Export compile commands for clangd
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# Read version from VERSION file (single source of truth)
file(READ "${CMAKE_CURRENT_SOURCE_DIR}/VERSION" FULL_VERSION)
string(STRIP "${FULL_VERSION}" FULL_VERSION)

# Extract base version for CMake (handles prerelease like 2.0.0-next.1)
string(REGEX REPLACE "^([0-9]+\\.[0-9]+\\.[0-9]+).*" "\\1" BASE_VERSION "${FULL_VERSION}")

project(vscode-diff-nvim VERSION ${BASE_VERSION})

# Store full version for display/packaging
set(PROJECT_FULL_VERSION "${FULL_VERSION}")

# This is the root CMakeLists.txt for the Neovim plugin
# It delegates C building to libvscode-diff/

# Enable testing at root level so CTest can find tests from subdirectories
enable_testing()

# Add C core subdirectory
add_subdirectory(libvscode-diff)

message(STATUS "===========================================")
message(STATUS "  vscode-diff.nvim Plugin")
message(STATUS "===========================================")
message(STATUS "  Build the plugin:")
message(STATUS "    cmake -B build")
message(STATUS "    cmake --build build")
message(STATUS "")
message(STATUS "  Run C tests:")
message(STATUS "    cmake --build build --target test")
message(STATUS "    ctest --test-dir build")
message(STATUS "")
message(STATUS "  Run Lua tests:")
message(STATUS "    ./tests/run_tests.sh")
message(STATUS "    make test-lua")
message(STATUS "===========================================")

# Generate Makefile wrappers that delegate to CMake
# This allows developers to use 'make' (Linux/macOS) or 'nmake' (Windows)
# Users without CMake can still use build.sh / build.cmd

# Generate Makefile for Unix/Linux/macOS
file(WRITE "${CMAKE_CURRENT_SOURCE_DIR}/Makefile"
"# Auto-generated by CMake - DO NOT EDIT
# Makefile wrapper for developers (uses CMake underneath)
# Users: Use build.sh instead (no CMake required)

.PHONY: all build test test-c test-lua lint format clean help bump-patch bump-minor bump-major bump-prerelease

all: build

build:
\t@cmake -B build -S .
\t@cmake --build build
\t@echo \"✓ Build successful\"

test: test-c test-lua

test-c: build
\t@cd build && ctest --output-on-failure

test-lua:
\t@./tests/run_plenary_tests.sh

lint:
\t@stylua --check lua

format:
\t@stylua lua
\t@echo \"✓ Formatted lua/\"

clean:
\t@rm -rf build
\t@rm -f libvscode_diff.so libvscode_diff.dylib

bump-patch:
\t@node scripts/bump_version.mjs patch

bump-minor:
\t@node scripts/bump_version.mjs minor

bump-major:
\t@node scripts/bump_version.mjs major

bump-prerelease:
\t@node scripts/bump_version.mjs prerelease

help:
\t@echo \"Targets: build, test, test-c, test-lua, lint, clean, help\"
\t@echo \"Version: bump-patch, bump-minor, bump-major, bump-prerelease\"
")

# Generate Makefile.win for Windows nmake
file(WRITE "${CMAKE_CURRENT_SOURCE_DIR}/Makefile.win"
"# Auto-generated by CMake - DO NOT EDIT
# Makefile wrapper for Windows developers (uses CMake underneath)
# Usage: nmake /f Makefile.win
# Users: Use build.cmd instead (no CMake required)

all: do-build

# Force build to always run (nmake doesn't have .PHONY)
do-build:
\t@cmake -B build -S .
\t@cmake --build build --config Release
\t@echo Build successful
\t@echo NOTE: If DLL copy failed, close nvim and rebuild

build: do-build

test: test-c test-lua

test-c: build
\tctest --test-dir build --output-on-failure -C Release

test-lua:
\tnvim --headless --noplugin -u tests/init.lua -c \"lua require('plenary.test_harness').test_directory('tests', { minimal_init = vim.fn.getcwd() .. '/tests/init.lua' })\"

lint:
\tstylua --check lua

format:
\tstylua lua
\t@echo Formatted lua/

clean:
\tif exist build rmdir /s /q build
\tif exist libvscode_diff.dll del /q libvscode_diff.dll

bump-patch:
\tnode scripts/bump_version.mjs patch

bump-minor:
\tnode scripts/bump_version.mjs minor

bump-major:
\tnode scripts/bump_version.mjs major

bump-prerelease:
\tnode scripts/bump_version.mjs prerelease

help:
\t@echo Targets: build, test, test-c, test-lua, lint, clean, help
\t@echo Version: bump-patch, bump-minor, bump-major, bump-prerelease
")

message(STATUS "")
message(STATUS "Generated Makefiles:")
message(STATUS "  Makefile     - for make (Linux/macOS)")
message(STATUS "  Makefile.win - for nmake /f Makefile.win (Windows)")
message(STATUS "")