mirror of
https://github.com/kovidgoyal/kitty.git
synced 2024-09-19 18:47:26 +03:00
63 lines
1.2 KiB
Go
63 lines
1.2 KiB
Go
// License: GPLv3 Copyright: 2023, Kovid Goyal, <kovid at kovidgoyal.net>
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package utils
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"sync"
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"golang.org/x/sys/unix"
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)
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var _ = fmt.Print
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var DefaultExeSearchPaths = sync.OnceValue(func() []string {
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candidates := [...]string{"/usr/local/bin", "/opt/bin", "/opt/homebrew/bin", "/usr/bin", "/bin", "/usr/sbin", "/sbin"}
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ans := make([]string, 0, len(candidates))
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for _, x := range candidates {
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if s, err := os.Stat(x); err == nil && s.IsDir() {
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ans = append(ans, x)
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}
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}
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return ans
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})
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func Which(cmd string, paths ...string) string {
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if strings.Contains(cmd, string(os.PathSeparator)) {
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return ""
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}
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if len(paths) == 0 {
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path := os.Getenv("PATH")
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if path == "" {
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return ""
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}
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paths = strings.Split(path, string(os.PathListSeparator))
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}
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for _, dir := range paths {
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q := filepath.Join(dir, cmd)
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if unix.Access(q, unix.X_OK) == nil {
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s, err := os.Stat(q)
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if err == nil && !s.IsDir() {
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return q
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}
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}
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}
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return ""
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}
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func FindExe(name string) string {
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ans := Which(name)
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if ans != "" {
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return ans
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}
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ans = Which(name, DefaultExeSearchPaths()...)
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if ans == "" {
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ans = name
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}
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return ans
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}
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