Add release target

Author: sachaos

Makefile

@@ -1,3 +1,6 @@
+ARTIFACTS_DIR=artifacts/${VERSION}
+GITHUB_USERNAME=sachaos
+
 .PHONY: install
 install: prepare
 	go install
@@ -13,6 +16,13 @@ test: prepare
 .PHONY: prepare
 prepare: filter_parser.go
 
+.PHONY: release
+release: prepare
+	GOOS=windows GOARCH=amd64 go build -o $(ARTIFACTS_DIR)/todoist_windows_amd64
+	GOOS=darwin GOARCH=amd64 go build -o $(ARTIFACTS_DIR)/todoist_darwin_amd64
+	GOOS=linux GOARCH=amd64 go build -o $(ARTIFACTS_DIR)/todoist_linux_amd64
+	ghr -u $(GITHUB_USERNAME) -t $(shell cat github_token) --replace ${VERSION} $(ARTIFACTS_DIR)
+
 filter_parser.go: filter_parser.y
 	go get golang.org/x/tools/cmd/goyacc
 	goyacc -o filter_parser.go filter_parser.y