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go/cmd/getgo/system_unix.go
Jaana Burcu Dogan 9badcbe49b cmd/getgo: prompt warning if an earlier installation exists
There is nothing else we can do other than just showing a
message that user need to remove it from their PATH not
to conflict with the current installation.

Fixes #21217.

Change-Id: Ie65385f4d536d5bb789387ba0229f54f2ee793f0
Reviewed-on: https://go-review.googlesource.com/51930
Run-TryBot: Jaana Burcu Dogan <jbd@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Kevin Burke <kev@inburke.com>
2017-07-31 22:15:19 +00:00

56 lines
1.0 KiB
Go

// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
package main
import (
"context"
"fmt"
"os"
"path/filepath"
)
const (
envSeparator = ":"
homeKey = "HOME"
lineEnding = "\n"
pathVar = "$PATH"
)
var installPath = func() string {
home, err := getHomeDir()
if err != nil {
return "/usr/local/go"
}
return filepath.Join(home, ".go")
}()
func whichGo(ctx context.Context) (string, error) {
return findGo(ctx, "which")
}
func isWindowsXP() bool {
return false
}
func currentShell() string {
return os.Getenv("SHELL")
}
func persistEnvChangesForSession() error {
shellConfig, err := shellConfigFile()
if err != nil {
return err
}
fmt.Println()
fmt.Printf("One more thing! Run `source %s` to persist the\n", shellConfig)
fmt.Println("new environment variables to your current session, or open a")
fmt.Println("new shell prompt.")
return nil
}