gitignore and make formula for generating binaries

.gitignore

@@ -0,0 +1 @@
+release

Makefile

@@ -1,3 +1,21 @@
-default:
-	go build
-	go install github.com/aykamko/tag
+SHELL:=/bin/bash
+
+GOBUILD=go build -v github.com/aykamko/tag >/dev/null
+
+generate_release_binaries:
+	mkdir -p release; \
+	cd release; \
+	export GOOS=darwin; export GOARCH=386; \
+	${GOBUILD} && zip tag_$${GOOS}_$${GOARCH} tag; \
+	export GOOS=darwin; export GOARCH=amd64; \
+	${GOBUILD} && zip tag_$${GOOS}_$${GOARCH} tag; \
+	export GOOS=linux; export GOARCH=386; \
+	${GOBUILD} && tar -cvzf tag_$${GOOS}_$${GOARCH}.tar.gz tag; \
+	export GOOS=linux; export GOARCH=amd64; \
+	${GOBUILD} && tar -cvzf tag_$${GOOS}_$${GOARCH}.tar.gz tag; \
+	export GOOS=linux; export GOARCH=arm; \
+	${GOBUILD} && tar -cvzf tag_$${GOOS}_$${GOARCH}.tar.gz tag; \
+	export GOOS=windows; export GOARCH=386; \
+	${GOBUILD} && tar -cvzf tag_$${GOOS}_$${GOARCH}.tar.gz tag; \
+	export GOOS=windows; export GOARCH=amd64; \
+	${GOBUILD} && tar -cvzf tag_$${GOOS}_$${GOARCH}.tar.gz tag;