Merge pull request #153 from ncdc/make-release

Add 'make release'

Makefile

@@ -147,6 +147,29 @@ endif
 update: fmt
 	@$(MAKE) shell CMD="-c 'hack/update-all.sh'"
 
+release: all-tar-bin checksum
+
+checksum:
+	@cd _output/release; \
+	sha256sum *.tar.gz > CHECKSUM; \
+	cat CHECKSUM; \
+	sha256sum CHECKSUM
+
+all-tar-bin: $(addprefix tar-bin-, $(CLI_PLATFORMS))
+
+tar-bin-%:
+	@$(MAKE) ARCH=$* tar-bin
+
+tar-bin: build
+	mkdir -p _output/release
+
+# We do the subshell & wildcard ls so we can pick up $(BIN).exe for windows
+	(cd _output/bin/$(GOOS)/$(GOARCH) && ls $(BIN)*) | \
+		tar \
+			-C _output/bin/$(GOOS)/$(GOARCH) \
+			--files-from=- \
+			-zcf _output/release/$(BIN)-$(GOOS)-$(GOARCH).tar.gz
+
 build-dirs:
 	@mkdir -p _output/bin/$(GOOS)/$(GOARCH)
 	@mkdir -p .go/src/$(PKG) .go/pkg .go/bin .go/std/$(GOOS)/$(GOARCH)