build: move clean to invoke, run coverage locally, read command from tox

Makefile

@@ -1,25 +1,26 @@
-.DEFAULT_GOAL := dev
+.DEFAULT_GOAL := build
 .PHONY: Makefile
 
-SRC := src/*/*.py *.py docs/*.py
+SRC := $(shell find -f docs src -type f -iname '*.py')
 DOCS := docs/*.rst *.rst *.md
-STYLES := styles/*/*
-TESTS := tests/*/*
-GITHUB = .github/*/*
+STYLES := $(shell find styles -type f)
+TESTS := $(shell find tests -type f -iname '*.py')
+GITHUB = $(shell find .github -type f)
 ANY := $(SRC) $(DOCS) $(STYLES) $(TESTS) $(GITHUB)
 
 # Create the cache dir if it doesn't exist
 $(shell mkdir -p .cache/make)
 
 help:
-	@echo 'Choose one of the following targets:'
+	@echo "Make targets (run 'make -B' or 'make --always-make' to force):"
 	@cat Makefile | egrep '^[a-z0-9 ./-]*:.*#' | sed -E -e 's/:.+# */@ /g' -e 's/ .+@/@/g' | sort | awk -F@ '{printf "  \033[1;34m%-18s\033[0m %s\n", $$1, $$2}'
 	@echo
-	@echo 'Run 'make -B' or 'make --always-make' to force a rebuild of all targets'
+	@echo 'Use invoke to run other tasks that were previously make targets:'
+	invoke --list
 .PHONY: help
 
-dev: .cache/make/pytest .cache/make/nitpick .cache/make/pylint .cache/make/pre-commit # Quick build for local development
-.PHONY: dev
+build: .cache/make/pytest .cache/make/nitpick .cache/make/pylint .cache/make/pre-commit # Quick build for local development
+.PHONY: build
 
 .cache/make/pytest: $(SRC) $(TESTS)
 	invoke test
@@ -40,7 +41,3 @@ dev: .cache/make/pytest .cache/make/nitpick .cache/make/pylint .cache/make/pre-c
 .cache/make/doc: $(DOCS) $(STYLES)
 	invoke doc
 	touch .cache/make/doc
-
-clean: # Clean build output
-	rm -rf .cache .mypy_cache docs/_build src/*.egg-info .pytest_cache .coverage htmlcov/
-.PHONY: clean