cmd/go: provide full path as os.Args[0] when invoking tools
cmd/dist needs to re-exec or open itself to detect GOARM (CL 3973) and
detect host machine endianness (CL 14460).
Change-Id: If6438831ab0715ba8e236d64bb2c7c1bde1470aa
Reviewed-on: https://go-review.googlesource.com/14476
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/src/cmd/go/tool.go b/src/cmd/go/tool.go
index 937ca1f..9ff0dcf 100644
--- a/src/cmd/go/tool.go
+++ b/src/cmd/go/tool.go
@@ -98,6 +98,7 @@
fmt.Printf("%s\n", cmd)
return
}
+ args[0] = toolPath // in case the tool wants to re-exec itself, e.g. cmd/dist
toolCmd := &exec.Cmd{
Path: toolPath,
Args: args,
