dir.go RawHistoryFolder

1package platform
2
3import (
4	"fmt"
5	"os"
6	"path/filepath"
7)
8
9// StateDir returns the directory vev writes state to: $XDG_STATE_HOME/vev if
10// set, else ~/.local/state/vev.
11func StateDir() string {
12	if xdg := os.Getenv("XDG_STATE_HOME"); xdg != "" {
13		return filepath.Join(xdg, "vev")
14	}
15	home, err := os.UserHomeDir()
16	if err != nil || home == "" {
17		// Last resort: a per-uid temp path so state setup never aborts startup.
18		return filepath.Join(os.TempDir(), fmt.Sprintf("vev-state-%d", os.Getuid()))
19	}
20	return filepath.Join(home, ".local", "state", "vev")
21}
22
23// ConfigPath returns the user config file path: $XDG_CONFIG_HOME/vev/config if
24// set, else ~/.config/vev/config.
25func ConfigPath() string {
26	if xdg := os.Getenv("XDG_CONFIG_HOME"); xdg != "" {
27		return filepath.Join(xdg, "vev", "config")
28	}
29	home, err := os.UserHomeDir()
30	if err != nil || home == "" {
31		// Last resort: a per-uid temp path so config lookup never aborts startup.
32		return filepath.Join(os.TempDir(), fmt.Sprintf("vev-config-%d", os.Getuid()), "config")
33	}
34	return filepath.Join(home, ".config", "vev", "config")
35}
36
37// DirOrHome returns dir when it names an existing directory. Otherwise it
38// falls back to the current user's home directory, then to / as a last resort.
39func DirOrHome(dir string) string {
40	if dir != "" {
41		if st, err := os.Stat(dir); err == nil && st.IsDir() {
42			return dir
43		}
44	}
45	if home, err := os.UserHomeDir(); err == nil && home != "" {
46		return home
47	}
48	return "/"
49}