chore: migrate to go modules

vendor/github.com/aktau/github-release/Makefile

@@ -0,0 +1,83 @@
+LAST_TAG := $(shell git describe --abbrev=0 --tags)
+
+USER := aktau
+EXECUTABLE := github-release
+
+# only include the amd64 binaries, otherwise the github release will become
+# too big
+UNIX_EXECUTABLES := \
+	darwin/amd64/$(EXECUTABLE) \
+	freebsd/amd64/$(EXECUTABLE) \
+	linux/amd64/$(EXECUTABLE)
+WIN_EXECUTABLES := \
+	windows/amd64/$(EXECUTABLE).exe
+
+COMPRESSED_EXECUTABLES=$(UNIX_EXECUTABLES:%=%.tar.bz2) $(WIN_EXECUTABLES:%.exe=%.zip)
+COMPRESSED_EXECUTABLE_TARGETS=$(COMPRESSED_EXECUTABLES:%=bin/%)
+
+UPLOAD_CMD = bin/tmp/$(EXECUTABLE) upload -u $(USER) -r $(EXECUTABLE) -t $(LAST_TAG) -n $(subst /,-,$(FILE)) -f bin/$(FILE)
+
+all: $(EXECUTABLE)
+
+# the executable used to perform the upload, dogfooding and all...
+bin/tmp/$(EXECUTABLE):
+	go build -o "$@"
+
+# arm
+bin/linux/arm/5/$(EXECUTABLE):
+	GOARM=5 GOARCH=arm GOOS=linux go build -o "$@"
+bin/linux/arm/7/$(EXECUTABLE):
+	GOARM=7 GOARCH=arm GOOS=linux go build -o "$@"
+
+# 386
+bin/darwin/386/$(EXECUTABLE):
+	GOARCH=386 GOOS=darwin go build -o "$@"
+bin/linux/386/$(EXECUTABLE):
+	GOARCH=386 GOOS=linux go build -o "$@"
+bin/windows/386/$(EXECUTABLE):
+	GOARCH=386 GOOS=windows go build -o "$@"
+
+# amd64
+bin/freebsd/amd64/$(EXECUTABLE):
+	GOARCH=amd64 GOOS=freebsd go build -o "$@"
+bin/darwin/amd64/$(EXECUTABLE):
+	GOARCH=amd64 GOOS=darwin go build -o "$@"
+bin/linux/amd64/$(EXECUTABLE):
+	GOARCH=amd64 GOOS=linux go build -o "$@"
+bin/windows/amd64/$(EXECUTABLE).exe:
+	GOARCH=amd64 GOOS=windows go build -o "$@"
+
+# compressed artifacts, makes a huge difference (Go executable is ~9MB,
+# after compressing ~2MB)
+%.tar.bz2: %
+	tar -jcvf "$<.tar.bz2" "$<"
+%.zip: %.exe
+	zip "$@" "$<"
+
+# git tag -a v$(RELEASE) -m 'release $(RELEASE)'
+release: clean
+	$(MAKE) bin/tmp/$(EXECUTABLE) $(COMPRESSED_EXECUTABLE_TARGETS)
+	git push && git push --tags
+	git log --format=%B $(LAST_TAG) -1 | \
+		bin/tmp/$(EXECUTABLE) release -u $(USER) -r $(EXECUTABLE) \
+		-t $(LAST_TAG) -n $(LAST_TAG) -d - || true
+	$(foreach FILE,$(COMPRESSED_EXECUTABLES),$(UPLOAD_CMD);)
+
+# install and/or update all dependencies, run this from the project directory
+# go get -u ./...
+# go test -i ./
+dep:
+	go list -f '{{join .Deps "\n"}}' | xargs go list -e -f '{{if not .Standard}}{{.ImportPath}}{{end}}' | xargs go get -u
+
+$(EXECUTABLE): dep
+	go build -o "$@"
+
+install:
+	go install
+
+clean:
+	rm go-app || true
+	rm $(EXECUTABLE) || true
+	rm -rf bin/
+
+.PHONY: clean release dep install