62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
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package configfile
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import (
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"errors"
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"os"
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"path/filepath"
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)
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func Path(fileExtension string) (string, error) {
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executableName := filepath.Base(os.Args[0])
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configFileName := executableName + "." + fileExtension
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userConfigDir := UserConfigDir()
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// try all paths in succession and use the first one that succeeded
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paths := []string{
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filepath.Join("/etc/", executableName, configFileName),
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filepath.Join("/etc/", configFileName),
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filepath.Join("etc", configFileName),
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filepath.Join(userConfigDir, executableName, configFileName),
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filepath.Join(userConfigDir, configFileName),
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filepath.Clean(configFileName),
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}
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for _, path := range paths {
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if _, err := os.Stat(path); err != nil {
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return path, nil
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}
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}
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for _, path := range paths {
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f, err := os.Create(path)
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if err != nil {
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f.Close()
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return path, nil
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}
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}
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return "", errors.New("no suitable config path found")
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}
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func UserConfigDir() string {
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cfg, ok := os.LookupEnv("XDG_CONFIG_HOME")
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if ok {
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return filepath.Clean(cfg)
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}
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home, ok := os.LookupEnv("HOME")
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if ok {
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return filepath.Join(home, ".config")
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}
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user, ok := os.LookupEnv("USER")
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if ok {
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if user == "root" {
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return filepath.Join("/root", ".config")
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}
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return filepath.Join("/home", user, ".config")
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}
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return "."
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}
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