Makefile improvements + pre-commit hook

.gitignore

@@ -4,3 +4,6 @@
 /brozzler.egg-info/
 venv
 .idea
+
+# build artifacts
+build/

Makefile

@@ -1,7 +1,43 @@
+# Build constants
+PYTHON_VERSION = 3.12
+VIRTUAL_ENV_DIR = .venv
+BROZZLER_EGG_LINK = ./brozzler.egg-info
+# Where's the Makefile running? Valid options: LOCAL, CI
+ENV ?= LOCAL
+# Which package manager to use? Valid options: UV, PIP
+PACKAGE_MANAGER ?= UV
+
+$(VIRTUAL_ENV_DIR):
+ifeq ($(PACKAGE_MANAGER),UV)
+	uv venv -p python$(PYTHON_VERSION) $@
+else ifeq ($(PACKAGE_MANAGER),PIP)
+	python$(PYTHON_VERSION) -m venv $@
+endif
+
+.PHONY: venv
+venv: $(VIRTUAL_ENV_DIR)
+
+$(BROZZLER_EGG_LINK): $(VIRTUAL_ENV_DIR) pyproject.toml
+ifeq ($(PACKAGE_MANAGER),UV)
+	VIRTUAL_ENV=$(shell pwd)/$(VIRTUAL_ENV_DIR) uv build
+else ifeq ($(PACKAGE_MANAGER),PIP)
+	VIRTUAL_ENV=$(shell pwd)/$(VIRTUAL_ENV_DIR) pip wheel --no-deps --wheel-dir dist .
+endif
+
+.PHONY: build
+build: $(BROZZLER_EGG_LINK)
+
+.git/hooks/pre-commit:
+	ln -s $(realpath ./dev/pre-commit) $@
+
+.PHONY: check
+check:
+	$(VIRTUAL_ENV_DIR)/bin/ruff check --target-version py37 .
+
+.PHONY: check-format
+check-format:
+	$(VIRTUAL_ENV_DIR)/bin/ruff format --check --target-version py37 .
+
 .PHONY: format
 format:
-	venv/bin/ruff format --target-version py37 .
-
-.PHONY: ck-format
-ck-format:
-	venv/bin/ruff format --check --target-version py37 .
+	$(VIRTUAL_ENV_DIR)/bin/ruff format --target-version py37 .

dev/pre-commit

@@ -0,0 +1,11 @@
+
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# pre-commit.sh
+# -------------
+# An optional script which runs checks on code before commits.
+
+make check
+make check-format