path_plan9.go

     1  // Copyright 2023 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package toolchain
     6  
     7  import (
     8  	"io/fs"
     9  	"os"
    10  	"path/filepath"
    11  
    12  	"cmd/go/internal/gover"
    13  )
    14  
    15  // pathDirs returns the directories in the system search path.
    16  func pathDirs() []string {
    17  	return filepath.SplitList(os.Getenv("path"))
    18  }
    19  
    20  // pathVersion returns the Go version implemented by the file
    21  // described by de and info in directory dir.
    22  // The analysis only uses the name itself; it does not run the program.
    23  func pathVersion(dir string, de fs.DirEntry, info fs.FileInfo) (string, bool) {
    24  	v := gover.FromToolchain(de.Name())
    25  	if v == "" || info.Mode()&0111 == 0 {
    26  		return "", false
    27  	}
    28  	return v, true
    29  }
    30
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