Merge pull request gopherjs#368 from casey/no-gopath-fix

neelance · neelance · commit ccad7002e2e1 · 2015-12-27T10:33:39.000+01:00
Make error friendlier if GOPATH is not set
diff --git a/tool.go b/tool.go
@@ -46,6 +46,11 @@ func init() {
 		fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)
 	}
+	gopaths := filepath.SplitList(build.Default.GOPATH)
+	if len(gopaths) == 0 {
+		fmt.Fprintf(os.Stderr, "$GOPATH not set. For more details see: go help gopath\n")
+		os.Exit(1)
+	}
 }
 
 func main() {

Original file line number	Diff line number	Diff line change
`@@ -46,6 +46,11 @@ func init() {`
`46`	`46`	`fmt.Fprintln(os.Stderr, err)`
`47`	`47`	`os.Exit(1)`
`48`	`48`	`}`
	`49`	`+ gopaths := filepath.SplitList(build.Default.GOPATH)`
	`50`	`+ if len(gopaths) == 0 {`
	`51`	`+ fmt.Fprintf(os.Stderr, "$GOPATH not set. For more details see: go help gopath\n")`
	`52`	`+ os.Exit(1)`
	`53`	`+ }`
`49`	`54`	`}`
`50`	`55`
`51`	`56`	`func main() {`