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cmd/go: if GOPATH and GOROOT are the same, refer to wiki page
This gives us a place to clarify what the problem is and how people should fix it. For #65656 Fixes #70093 Change-Id: I555399c52e9b72a7a66f0bd38df178c0efad6c27 Reviewed-on: https://go-review.googlesource.com/c/go/+/623815 Reviewed-by: Sam Thanawalla <samthanawalla@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com> Commit-Queue: Ian Lance Taylor <iant@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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Gopher Robot
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@ -151,7 +151,7 @@ func main() {
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// This setting is equivalent to not setting GOPATH at all,
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// which is not what most people want when they do it.
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if gopath := cfg.BuildContext.GOPATH; filepath.Clean(gopath) == filepath.Clean(cfg.GOROOT) {
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fmt.Fprintf(os.Stderr, "warning: GOPATH set to GOROOT (%s) has no effect\n", gopath)
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fmt.Fprintf(os.Stderr, "warning: both GOPATH and GOROOT are the same directory (%s); see https://go.dev/wiki/InstallTroubleshooting\n", gopath)
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} else {
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for _, p := range filepath.SplitList(gopath) {
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// Some GOPATHs have empty directory elements - ignore them.
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