Merge branch 'next'

A number of merge conflicts, but hopefully they are all sorted out now.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

Makefile

@@ -125,7 +125,7 @@ endif
 noconfig_targets := menuconfig nconfig gconfig xconfig config oldconfig randconfig \
 	defconfig %_defconfig allyesconfig allnoconfig alldefconfig syncconfig release \
 	randpackageconfig allyespackageconfig allnopackageconfig \
-	print-version olddefconfig distclean manual manual-% check-package
+	print-version olddefconfig distclean manual manual-% check-package check-flake8
 
 # Some global targets do not trigger a build, but are used to collect
 # metadata, or do various checks. When such targets are triggered,
@@ -1208,6 +1208,13 @@ release:
 print-version:
 	@echo $(BR2_VERSION_FULL)
 
+check-flake8:
+	$(Q)git ls-tree -r --name-only HEAD \
+	| xargs file \
+	| grep 'Python script' \
+	| cut -d':' -f1 \
+	| xargs -- python3 -m flake8 --statistics --max-line-length=132
+
 check-package:
 	find $(TOPDIR) -type f \( -name '*.mk' -o -name '*.hash' -o -name 'Config.*' \) \
 		-exec ./utils/check-package {} +