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|
// +build !darwin,!windows
package gap
import (
"os"
"path/filepath"
"strings"
)
var (
defaultDataDirs = []string{"/usr/local/share", "/usr/share"}
defaultConfigDirs = []string{"/etc/xdg", "/etc"}
defaultLogDir = "/var/log"
defaultCacheDir = "/var/cache"
)
// appendPaths appends the app-name and further variadic parts to a path
func (s *Scope) appendPaths(path string, parts ...string) string {
paths := []string{path, s.Vendor, s.App}
paths = append(paths, parts...)
return filepath.Join(paths...)
}
// dataDir returns the full path to the data directory.
func (s *Scope) dataDir() (string, error) {
switch s.Type {
case System:
return defaultDataDirs[0], nil
case User:
path := os.Getenv("XDG_DATA_HOME")
if path == "" {
return expandUser("~/.local/share"), nil
}
return path, nil
case CustomHome:
return filepath.Join(s.CustomHome, ".local/share"), nil
}
return "", ErrInvalidScope
}
// dataDirs returns a priority-sorted slice of data dirs.
func (s *Scope) dataDirs() ([]string, error) {
var sl []string
switch s.Type {
case CustomHome:
path, err := s.dataDir()
if err != nil {
return sl, err
}
sl = append(sl, path)
case User:
path, err := s.dataDir()
if err != nil {
return sl, err
}
sl = append(sl, path)
path = os.Getenv("XDG_DATA_DIRS")
if path != "" {
paths := strings.Split(path, string(os.PathListSeparator))
for _, p := range paths {
sl = append(sl, p)
}
}
fallthrough
case System:
sl = append(sl, defaultDataDirs...)
}
return sl, nil
}
// configDir returns the full path to the config dir.
func (s *Scope) configDir() (string, error) {
switch s.Type {
case System:
return defaultConfigDirs[0], nil
case User:
path := os.Getenv("XDG_CONFIG_HOME")
if path == "" {
return expandUser("~/.config"), nil
}
return path, nil
case CustomHome:
return filepath.Join(s.CustomHome, ".config"), nil
}
return "", ErrInvalidScope
}
// configDirs returns a priority-sorted slice of config dirs.
func (s *Scope) configDirs() ([]string, error) {
var sl []string
switch s.Type {
case CustomHome:
path, err := s.configDir()
if err != nil {
return sl, err
}
sl = append(sl, path)
case User:
path, err := s.configDir()
if err != nil {
return sl, err
}
sl = append(sl, path)
path = os.Getenv("XDG_CONFIG_DIRS")
if path != "" {
paths := strings.Split(path, string(os.PathListSeparator))
for _, p := range paths {
sl = append(sl, p)
}
}
fallthrough
case System:
sl = append(sl, defaultConfigDirs...)
}
return sl, nil
}
// cacheDir returns the full path to the cache directory.
func (s *Scope) cacheDir() (string, error) {
switch s.Type {
case System:
return defaultCacheDir, nil
case User:
path := os.Getenv("XDG_CACHE_HOME")
if path == "" {
return expandUser("~/.cache"), nil
}
return path, nil
case CustomHome:
return filepath.Join(s.CustomHome, ".cache"), nil
}
return "", ErrInvalidScope
}
// logDir returns the full path to the log dir.
func (s *Scope) logDir() (string, error) {
switch s.Type {
case System:
return defaultLogDir, nil
case User:
fallthrough
case CustomHome:
return s.dataDir()
}
return "", ErrInvalidScope
}
|
