From 318162fdf1ff86297afcce334f61d2d6ff5e3345 Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Sun, 20 Oct 2024 13:56:08 -0600
Subject: Makefile: Use editorconfig for lint/format

---
 Makefile | 91 ++++++++++++++++++++++++++++++++++++++++++++++------------------
 1 file changed, 66 insertions(+), 25 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index a89ec25..d0c5c78 100644
--- a/Makefile
+++ b/Makefile
@@ -50,30 +50,71 @@ generate-clean:
 	rm -f -- $(generate/files)
 .PHONY: generate-clean
 
-sources_sh  = 3rd-party/linux-errno.txt.gen
-sources_sh += libusb/include/libusb/tusb_helpers.h.gen
-sources_py  = lib9p/idl.gen
-sources_py += lib9p/include/lib9p/linux-errno.h.gen
+################################################################################
+
+.PHONY: FORCE
+
+# List of sources, by type.
+.sources.mk: $(if $(wildcard .git),FORCE)
+	git ls-files | grep -vFx $(foreach f,$(generate/files),-e $f) \
+	| sed 's,^,$(CURDIR)/,' | xargs editorconfig                  \
+	| sed -nE -e 's,\[$(CURDIR)/(.*)\],\1,p' -e 's/^_mode=//p'    \
+	| sed -E '{N;s/(.*)\n(.*)/sources_\2 += \1/;}'                \
+	| sort                                                        \
+	>$@.tmp
+	if ! cmp -s $@.tmp $@; then mv $@.tmp $@; fi
+-include .sources.mk
+sources_all := $(foreach v,$(filter sources_%,$(.VARIABLES)),$($v))
+
+# lint #############
 lint:
-	shellcheck $(sources_sh)
-	mypy --strict --scripts-are-modules $(sources_py)
-	black --check $(sources_py)
-	isort --check $(sources_py)
-	r=0; find $$(git ls-files -- $(foreach f,$(generate/files),:!$f) :!cmd/*/static/*) -maxdepth 0 -type f | while read -r filename; do \
-	  grep -q 'Copyright (C) 2024  Luke T. Shumaker' $$filename || \
-	    { echo "$$filename is missing a copyright statement"; r=1; continue; }; \
-	  dscname=$$(sed -n '1,3{ /^#!/d; /^<!--$$/d; /-\*- .* -\*-/d; s,[/*# ]*,,; s/ - .*//;p; q; }' $$filename); \
-	  filename_alt1=$$(echo "$$filename" | sed \
-	    -e 's,^cmd/,,' \
-	    -e 's,.*/include/,,' \
-	    -e 's,^lib9p/idl/,,' \
-	    -e 's/\.wip$$//'); \
-	  filename_alt2=$$(echo "$$filename_alt1" | sed \
-	    -e 's,^sbc_harness/hw/,hw/,'); \
-	  [ "$$dscname" == "$$filename" ] || [ "$$dscname" == "$$filename_alt1" ] || [ "$$dscname" == "$$filename_alt2" ] || \
-	    { echo "$$filename self-identifies as $$dscname"; r=1; continue; }; \
-	done; exit $$r
+	$(MAKE) -k $(patsubst sources_%,lint/%,$(filter sources_%,$(.VARIABLES)))
+lint/sh lint/bash: lint/%:
+	shellcheck $(sources_$*)
+lint/python3: lint/%:
+	mypy --strict --scripts-are-modules $(sources_$*)
+	black --check $(sources_$*)
+	isort --check $(sources_$*)
+lint/c: lint/%:
+	@: TODO
+lint/make lint/cmake lint/gitignore lint/ini lint/9p lint/markdown: lint/%:
+	@:
+lint/unknown: lint/%:
+	@printf "%s: cannot lint unknown file type\n" $(sources_$*) >&2
+lint/all: lint/%:
+	$(eval export sources_$*)
+	@find $$(printf '%s\n' $${sources_$*} | grep -vE '^cmd/[^/]+/static/') \
+	    -maxdepth 0 -type f | \
+	{ r=0; while read -r filename; do \
+	    if ! grep -q 'Copyright (C) 2024  Luke T. Shumaker' $$filename; then \
+	        echo "$$filename is missing a copyright statement"; r=1; continue; \
+	    fi; \
+	    dscname=$$(sed -n '1,3{ /^#!/d; /^<!--$$/d; /-\*- .* -\*-/d; s,[/*# ]*,,; s/ - .*//;p; q; }' $$filename); \
+	    filename_alt1=$$(echo "$$filename" | sed \
+	        -e 's,^cmd/,,' \
+	        -e 's,.*/include/,,' \
+	        -e 's,^lib9p/idl/,,' \
+	        -e 's/\.wip$$//'); \
+	    filename_alt2=$$(echo "$$filename_alt1" | sed \
+	        -e 's,^sbc_harness/hw/,hw/,'); \
+	    if ! { [ "$$dscname" == "$$filename" ] || [ "$$dscname" == "$$filename_alt1" ] || [ "$$dscname" == "$$filename_alt2" ]; }; then \
+	        echo "$$filename self-identifies as $$dscname"; r=1; continue; \
+	    fi; \
+	done; exit $$r; }
+.PHONY: lint lint/%
+
+# format ###########
 format:
-	black $(sources_py)
-	isort $(sources_py)
-.PHONY: lint format
+	$(MAKE) -k $(patsubst sources_%,format/%,$(filter-out sources_all,$(filter sources_%,$(.VARIABLES))))
+format/python3: format/%:
+	black $(sources_$*)
+	isort $(sources_$*)
+format/sh format/bash: format/%
+	@:
+format/c: format/%:
+	@: TODO
+format/make format/cmake format/gitignore format/ini format/9p format/markdown: format/%:
+	@:
+format/unknown: format/%:
+	@:
+.PHONY: format format/%
-- 
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