Build(v2): fix usage by moving code to a v2 subfolder

.circleci/config.yml

@@ -22,7 +22,9 @@ jobs:
           command: go version
       - run:
           name: Core and drivers tests
-          command: go test -v -coverprofile=coverage.txt -covermode=atomic . ./drivers/...
+          command:  |
+            cd ./v2
+            go test -v -coverprofile=coverage.txt -covermode=atomic . ./drivers/...
       - run:
           name: Code coverage
           command: |
@@ -39,7 +41,9 @@ jobs:
       - run:
           # digispark needs libusb, joystick needs sdl2, opencv needs opencv
           name: Platform tests (except digispark, joystick, opencv)
-          command: go test -v $(go list ./platforms/... | grep -v platforms/digispark | grep -v platforms/joystick | grep -v platforms/opencv)
+          command: |
+            cd ./v2
+            go test -v $(go list ./platforms/... | grep -v platforms/digispark | grep -v platforms/joystick | grep -v platforms/opencv)
 
   "check_examples":
     docker:
@@ -53,6 +57,7 @@ jobs:
           # digispark needs libusb, joystick needs sdl2, opencv needs opencv
           name: Check examples (except digispark, joystick, opencv)
           command: |
+            cd ./v2
             ALL=$(grep -l -r --include "*.go" 'build example' ./)
             SOME=$(grep -L 'digispark' $(grep -L 'joystick' $(grep -L 'gocv' ${ALL})))
             for e in ${SOME} ; do go vet "${e}" ; done

.github/workflows/golangci-lint.yml

@@ -27,7 +27,7 @@ jobs:
           version: v1.52.2
 
           # Optional: working directory, useful for monorepos
-          # working-directory: somedir
+          working-directory: v2
 
           # Optional: golangci-lint command line arguments.
           # mostly there is no problem locally, but on server: "could not import C (cgo preprocessing failed) (typecheck)"

.golangci.yml

@@ -1,3 +1,4 @@
+# note: GolangCI-Lint also searches for config files in all directories from the directory of the first analyzed path up to the root.
 run:
   # Timeout for analysis, e.g. 30s, 5m.
   # gobot is very expensive, on a machine with heavy load it takes some minutes

Makefile

@@ -1,76 +1,16 @@
-# include also examples in other than ./examples folder
-ALL_EXAMPLES := $(shell grep -l -r --include "*.go" 'build example' ./)
-# prevent examples with gocv (opencv) dependencies
-EXAMPLES_NO_GOCV := $(shell grep -L 'gocv' $(ALL_EXAMPLES))
-# prevent examples with joystick (sdl2) dependencies
-EXAMPLES_NO_JOYSTICK := $(shell grep -L 'joystick' $(ALL_EXAMPLES))
-# prevent examples with joystick (sdl2) and gocv (opencv) dependencies
-EXAMPLES_NO_GOCV_JOYSTICK := $(shell grep -L 'joystick' $$(grep -L 'gocv' $(EXAMPLES_NO_GOCV)))
-# used examples
-EXAMPLES := $(EXAMPLES_NO_GOCV_JOYSTICK)
+# this file is just a forwarder to the folder with go.mod for common use cases
+# it is working since Go 1.18 is installed locally
 
-.PHONY: test test_race test_cover robeaux version_check fmt_check fmt_fix examples examples_check $(EXAMPLES)
+gomoddir := $(shell go list -f '{{.Dir}}' -m)
 
-# opencv platform currently skipped to prevent install of preconditions
-including_except := $(shell go list ./... | grep -v platforms/opencv)
 
-# Run tests on nearly all directories without test cache
-test:
-	go test -count=1 -v $(including_except)
-
-# Run tests with race detection
-test_race:
-	go test -race $(including_except)
-
-# Test, generate and show coverage in browser
-test_cover:
-	go test -v $(including_except) -coverprofile=coverage.txt ; \
-	go tool cover -html=coverage.txt ; \
-
-robeaux:
-ifeq (,$(shell which go-bindata))
-	$(error robeaux not built! https://github.com/jteeuwen/go-bindata is required to build robeaux assets )
-endif
-	cd api ; \
-	npm install robeaux ; \
-	cp -r node_modules/robeaux robeaux-tmp ; \
-	cd robeaux-tmp ; \
-	rm Makefile package.json README.markdown ; \
-	touch css/fonts.css ; \
-	echo "Updating robeaux..." ; \
-	go-bindata -pkg="robeaux" -o robeaux.go -ignore=\\.git ./... ; \
-	mv robeaux.go ../robeaux ; \
-	cd .. ; \
-	rm -rf robeaux-tmp/ ; \
-	rm -rf node_modules/ ; \
-	go fmt ./robeaux/robeaux.go ; \
+.PHONY: test fmt_check examples_check
 
-# Check for installed and module version match. Will exit with code 50 if not match.
-# There is nothing bad in general, if you program with a higher version.
-# At least the recipe "fmt_fix" will not work in that case.
-version_check:
-	@gv=$$(echo $$(go version) | sed "s/^.* go\([0-9].[0-9]*\).*/\1/") ; \
-	mv=$$(grep -m 1 'go 1.' ./go.mod | sed "s/^go \([0-9].[0-9]*\).*/\1/") ; \
-	echo "go: $${gv}.*, go.mod: $${mv}" ; \
-	if [ "$${gv}" != "$${mv}" ]; then exit 50; fi ; \
+test:
+	cd $(gomoddir) && make test && cd ..
 
-# Check for bad code style and other issues
 fmt_check:
-	gofmt -l ./	
-	golangci-lint run -v
-
-# Fix bad code style (will only be executed, on version match)
-fmt_fix: version_check
-	go fmt ./...
-
-examples: $(EXAMPLES)
-
-examples_check: 
-	$(MAKE) CHECK=ON examples
+	cd $(gomoddir) && make fmt_check && cd ..
 
-$(EXAMPLES):
-ifeq ($(CHECK),ON)
-	go vet ./$@
-else
-	go build -o /tmp/gobot_examples/$@ ./$@
-endif
+examples_check:
+	cd $(gomoddir) && make examples_check && cd ..

appveyor.yml

@@ -13,8 +13,10 @@ before_test:
   - go env
 
 build_script:
+  - cd ./v2
   - go test -v -cpu=2 .
   - go test -v -cpu=2 ./drivers/aio/...
   - go test -v -cpu=2 ./drivers/i2c/...
   - go test -v -cpu=2 ./platforms/firmata/...
   - go test -v -cpu=2 ./platforms/ble/...
+  - cd ..

go.work

@@ -0,0 +1,5 @@
+go 1.17
+
+// this helps go tools and golangci-lint to find the subfolder
+// it is working since Go 1.18 is installed
+use ./v2

v2/Makefile

@@ -0,0 +1,76 @@
+# include also examples in other than ./examples folder
+ALL_EXAMPLES := $(shell grep -l -r --include "*.go" 'build example' ./)
+# prevent examples with gocv (opencv) dependencies
+EXAMPLES_NO_GOCV := $(shell grep -L 'gocv' $(ALL_EXAMPLES))
+# prevent examples with joystick (sdl2) dependencies
+EXAMPLES_NO_JOYSTICK := $(shell grep -L 'joystick' $(ALL_EXAMPLES))
+# prevent examples with joystick (sdl2) and gocv (opencv) dependencies
+EXAMPLES_NO_GOCV_JOYSTICK := $(shell grep -L 'joystick' $$(grep -L 'gocv' $(EXAMPLES_NO_GOCV)))
+# used examples
+EXAMPLES := $(EXAMPLES_NO_GOCV_JOYSTICK)
+
+.PHONY: test test_race test_cover robeaux version_check fmt_check fmt_fix examples examples_check $(EXAMPLES)
+
+# opencv platform currently skipped to prevent install of preconditions
+including_except := $(shell go list ./... | grep -v platforms/opencv)
+
+# Run tests on nearly all directories without test cache
+test:
+	go test -count=1 -v $(including_except)
+
+# Run tests with race detection
+test_race:
+	go test -race $(including_except)
+
+# Test, generate and show coverage in browser
+test_cover:
+	go test -v $(including_except) -coverprofile=coverage.txt ; \
+	go tool cover -html=coverage.txt ; \
+
+robeaux:
+ifeq (,$(shell which go-bindata))
+	$(error robeaux not built! https://github.com/jteeuwen/go-bindata is required to build robeaux assets )
+endif
+	cd api ; \
+	npm install robeaux ; \
+	cp -r node_modules/robeaux robeaux-tmp ; \
+	cd robeaux-tmp ; \
+	rm Makefile package.json README.markdown ; \
+	touch css/fonts.css ; \
+	echo "Updating robeaux..." ; \
+	go-bindata -pkg="robeaux" -o robeaux.go -ignore=\\.git ./... ; \
+	mv robeaux.go ../robeaux ; \
+	cd .. ; \
+	rm -rf robeaux-tmp/ ; \
+	rm -rf node_modules/ ; \
+	go fmt ./robeaux/robeaux.go ; \
+
+# Check for installed and module version match. Will exit with code 50 if not match.
+# There is nothing bad in general, if you program with a higher version.
+# At least the recipe "fmt_fix" will not work in that case.
+version_check:
+	@gv=$$(echo $$(go version) | sed "s/^.* go\([0-9].[0-9]*\).*/\1/") ; \
+	mv=$$(grep -m 1 'go 1.' ./go.mod | sed "s/^go \([0-9].[0-9]*\).*/\1/") ; \
+	echo "go: $${gv}.*, go.mod: $${mv}" ; \
+	if [ "$${gv}" != "$${mv}" ]; then exit 50; fi ; \
+
+# Check for bad code style and other issues
+fmt_check:
+	gofmt -l ./	
+	golangci-lint run -v
+
+# Fix bad code style (will only be executed, on version match)
+fmt_fix: version_check
+	go fmt ./...
+
+examples: $(EXAMPLES)
+
+examples_check: 
+	$(MAKE) CHECK=ON examples
+
+$(EXAMPLES):
+ifeq ($(CHECK),ON)
+	go vet ./$@
+else
+	go build -o /tmp/gobot_examples/$@ ./$@
+endif