added ability to generate releases

Author: lanrat

.gitignore

@@ -1,3 +1,6 @@
 certgraph
 certgraph.mac
+certgraph.linux
+certgraph.exe
+*.zip
 *.json

Makefile

@@ -1,10 +1,29 @@
+GIT_DATE := $(shell git log -1 --date=short --pretty='%cd' | tr -d -)
+
 all: certgraph
 
+fmt:
+	gofmt -s -w -l .
+
 certgraph: certgraph.go
 	go build -o $@ $^
 
+certgraph.linux: certgraph.go
+	GOOS=linux go build -o $@ $^
+
 certgraph.mac: certgraph.go
 	GOOS=darwin go build -o $@ $^
 
-fmt:
-	gofmt -s -w -l .
+certgraph.exe: certgraph.go
+	GOOS=windows GOARCH=386 go build -o certgraph.exe $^
+
+release.linux: certgraph.linux
+	zip certgraph.linux.$(GIT_DATE).zip $^
+	
+release.mac: certgraph.mac
+	zip certgraph.mac.$(GIT_DATE).zip $^
+
+release.win: certgraph.exe
+	zip certgraph.win.$(GIT_DATE).zip $^
+
+release: release.mac release.linux release.win