From 456642adb5f26b77b5d00a416b990a2788e0b922 Mon Sep 17 00:00:00 2001
From: Andrey Mirtchovski <mirtchovski@gmail.com>
Date: Tue, 23 Mar 2010 18:13:16 -0700
Subject: [PATCH] cmd/goinstall: include command name in error reporting
 (usually missing software or incorrect $PATH)

R=rsc
CC=golang-dev
https://golang.org/cl/695041
---
 src/cmd/goinstall/main.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/cmd/goinstall/main.go b/src/cmd/goinstall/main.go
index 1be2bd600a..bc6301baa2 100644
--- a/src/cmd/goinstall/main.go
+++ b/src/cmd/goinstall/main.go
@@ -180,7 +180,8 @@ func quietRun(dir string, stdin []byte, cmd ...string) os.Error {
 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 {
-- 
2.50.0