cmd/goinstall: include command name in error reporting (usually missing software or incorrect $PATH)
R=rsc
CC=golang-dev
https://golang.org/cl/695041
diff --git a/src/cmd/goinstall/main.go b/src/cmd/goinstall/main.go
index 1be2bd6..bc6301b 100644
--- a/src/cmd/goinstall/main.go
+++ b/src/cmd/goinstall/main.go
@@ -180,7 +180,8 @@
func genRun(dir string, stdin []byte, cmd []string, quiet bool) os.Error {
bin, err := exec.LookPath(cmd[0])
if err != nil {
- return err
+ // report binary as well as the error
+ return os.NewError(cmd[0] + ": " + err.String())
}
p, err := exec.Run(bin, cmd, os.Environ(), dir, exec.Pipe, exec.Pipe, exec.MergeWithStdout)
if *verbose {
