cmd/go: add telemetry for a predefined set of GOROOT values

For #58894

Change-Id: Ia30a3a1a9c7b611f55701956c08caa967634cd5a
Reviewed-on: https://go-review.googlesource.com/c/go/+/586138
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Sam Thanawalla <samthanawalla@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>

diff --git a/src/cmd/go/main.go b/src/cmd/go/main.go
index 03395b87f9bf5d3d8523780891588358f3d71dd5..fff817693ada841d789e8ca09fd5c9f61d491876 100644 (file)
--- a/src/cmd/go/main.go
+++ b/src/cmd/go/main.go
@@ -124,6 +124,20 @@ func main() {
                fmt.Fprintf(os.Stderr, "go: cannot find GOROOT directory: %v\n", cfg.GOROOT)
                os.Exit(2)
        }
+       switch strings.ToLower(cfg.GOROOT) {
+       case "/usr/local/go": // Location recommended for installation on Linux and Darwin and used by Mac installer.
+               telemetry.Inc("go/goroot:usr-local-go")
+       case "/usr/lib/go": // A typical location used by Linux package managers.
+               telemetry.Inc("go/goroot:usr-lib-go")
+       case "/usr/lib/golang": // Another typical location used by Linux package managers.
+               telemetry.Inc("go/goroot:usr-lib-golang")
+       case `c:\program files\go`: // Location used by Windows installer.
+               telemetry.Inc("go/goroot:program-files-go")
+       case `c:\program files (x86)\go`: // Location used by 386 Windows installer on amd64 platform.
+               telemetry.Inc("go/goroot:program-files-x86-go")
+       default:
+               telemetry.Inc("go/goroot:other")
+       }
 
        // Diagnose common mistake: GOPATH==GOROOT.
        // This setting is equivalent to not setting GOPATH at all,