FIX: travis CI missing upx

Author: Jack Tang

.gitignore

@@ -25,6 +25,7 @@
 
 # End of https://www.gitignore.io/api/go
 
+/var
 /.tusc
 /data
 /tusc

Makefile

@@ -4,7 +4,7 @@ all: clean get
 	GOOS=darwin GOARCH=amd64 go build -ldflags "-w -s" -o tusc_darwin_amd64 cmd/tusc.go
 	GOOS=linux GOARCH=amd64 go build -ldflags "-w -s" -o tusc_linux_amd64 cmd/tusc.go
 	GOOS=linux GOARCH=arm go build -ldflags "-w -s" -o tusc_linux_arm cmd/tusc.go
-	upx tusc*
+	which upx && upx tusc* || true
 
 .PHONY: get
 get:

README.md

@@ -1,6 +1,6 @@
 # tusc
 
-![build status](https://travis-ci.com/jackhftang/tusc.svg?branch=master)
+[![build status](https://travis-ci.com/jackhftang/tusc.svg?branch=master)](https://travis-ci.org/jackhftang/tusc)
 
 A single binary for both server and client of [tus resumable upload protocol](https://tus.io).