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go/internal/lsp/info.go

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// Copyright 2019 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 go1.12
package lsp
import (
"fmt"
"io"
"runtime/debug"
)
func printBuildInfo(w io.Writer, verbose bool) {
if info, ok := debug.ReadBuildInfo(); ok {
fmt.Fprintf(w, "%v\n", info.Path)
printModuleInfo(w, &info.Main)
if verbose {
for _, dep := range info.Deps {
printModuleInfo(w, dep)
}
}
} else {
fmt.Fprintf(w, "no module information, gopls not built in module mode\n")
}
}
func printModuleInfo(w io.Writer, m *debug.Module) {
fmt.Fprintf(w, " %s@%s", m.Path, m.Version)
if m.Sum != "" {
fmt.Fprintf(w, " %s", m.Sum)
}
if m.Replace != nil {
fmt.Fprintf(w, " => %v", m.Replace.Path)
}
fmt.Fprintf(w, "\n")
}