.SUFFIXES:

all:

# runs all the test files.
test:
	nvim --version | head -n 1 && echo ''
	nvim --headless --noplugin -u ./scripts/minimal_init.lua \
		-c "lua require('mini.test').setup()" \
		-c "lua MiniTest.run({ execute = { reporter = MiniTest.gen_reporter.stdout({ group_depth = 1 }) } })"

# installs `mini.nvim`, used for both the tests and documentation.
deps:
	@mkdir -p deps
	git clone --depth 1 https://github.com/echasnovski/mini.nvim deps/mini.nvim

# installs deps before running tests, useful for the CI.
test-ci: deps test

# generates the documentation.
documentation:
	nvim --headless --noplugin -u ./scripts/minimal_init.lua -c "luafile ./scripts/docgen.lua" -c "qa!"

# installs deps before running the documentation generation, useful for the CI.
documentation-ci: deps documentation

# performs a lint check and fixes issues if possible, following the config in `stylua.toml`.
lint:
	stylua .

# installs the repo pre-commit hook that runs `make precommit` before every commit.
precommit-install:
	@mkdir -p .git/hooks
	@printf '#!/usr/bin/env bash\nmake precommit\n' > .git/hooks/pre-commit
	@chmod +x .git/hooks/pre-commit
	@echo "pre-commit hook installed at .git/hooks/pre-commit"

# runs the pre-commit checks: lints all Lua files (auto-fixing anything that
# isn't formatted), regenerates docs, and re-stages any files that changed.
precommit:
	@set -eu; \
	if command -v stylua >/dev/null 2>&1; then \
	  stylua .; \
	  reformatted=$$(git diff --name-only -- '*.lua'); \
	  if [ -n "$$reformatted" ]; then \
	    echo "precommit: re-staging stylua-formatted files:"; \
	    echo "$$reformatted" | sed 's/^/  /'; \
	    git add $$reformatted; \
	  fi; \
	  stylua --check .; \
	else \
	  echo "precommit: stylua not installed; skipping lint" >&2; \
	fi; \
	$(MAKE) documentation; \
	git add doc

clean:
	rm -rf deps