# HG changeset patch
# User Oben Sonne <obensonne@googlemail.com>
# Date 1519571912 -3600
#      Sun Feb 25 16:18:32 2018 +0100
# Node ID dcbdd590d4b2532e5cc6569f2dbb5cc4b9510a98
# Parent  35b2a02ff623b079c122424021c7cb3b99adb06d
add flak8 style checking

diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -95,7 +95,14 @@
 endef
 export HGIGNORE
 
+define HGRC
+[hooks]
+pre-commit=make style
+endef
+export HGRC
+
 define REQUIREMENTS
+flake8
 isort
 nose
 endef
@@ -104,6 +111,9 @@
 .hgignore:
 	@echo "$$HGIGNORE" > $@
 
+.hg/hgrc:
+	@echo "$$HGRC" > $@
+
 setup.py:
 	@echo "$$SETUP" > $@
 
@@ -119,7 +129,7 @@
 	touch $@/tests/cli_tests.py
 
 .PHONY: init
-init: | .hgignore requirements.txt setup.py src/$(APP)
+init: | .hgignore requirements.txt setup.py src/$(APP) .hg/hgrc
 
 .PHONY: initclean
 initclean:
@@ -153,6 +163,14 @@
 		env/bin/isort --line-width 80 --order-by-type -m 5 $$file; \
 	done
 
+.PHONY: style
+style: ## perform style checks
+style:
+	@for file in `hg st -nam | grep '\.py'`; do \
+		echo "check $$file"; \
+		env/bin/flake8 $$file; \
+	done
+
 # =============================================================================
 # tests
 # =============================================================================