Use XDG_STATE_HOME (#61)

---------

Co-authored-by: Ibrahim Serdar Acikgoz <[email protected]>

config/source.go

@@ -6,7 +6,9 @@ import (
  "runtime"
  "time"
 
+ "github.com/adrg/xdg"
  git "github.com/go-git/go-git/v5"
+ "golang.org/x/exp/slices"
 )
 
 const (
@@ -19,6 +21,8 @@ var (
  old = ".old"
 )
 
+var approvedOSes = []string{"windows", "darwin", "linux", "android", "solaris"}
+
 // Clear removes the existing tldr directory. TODO: maybe require user to confirm
 func Clear() error {
  os.Rename(SourceDir, SourceDir+old)
@@ -70,18 +74,10 @@ func PullSource() error {
 // DataDir returns OS dependent data dir. see XDG Base Directory Specification:
 // https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
 func DataDir() (d string) {
- switch osname := runtime.GOOS; osname {
- case "windows":
- d = os.Getenv("APPDATA")
- case "darwin":
- d = os.Getenv("HOME") + "/Library/Application Support"
- case "linux", "android", "solaris":
- if os.Getenv("XDG_DATA_HOME") != "" {
- d = os.Getenv("XDG_DATA_HOME")
- } else {
- d = os.Getenv("HOME") + "/.local/share"
- }
- default:
+ osname := runtime.GOOS
+ if slices.Contains(approvedOSes, osname) {
+ d = xdg.StateHome
+ } else {
  fmt.Println("Operating system couldn't be recognized")
  }
  return d
@@ -93,9 +89,9 @@ func staled() (bool, error) {
  if err != nil {
  return false, err
  }
- 
+
  defer file.Close()
- 
+
  fstat, err := file.Stat()
  if err != nil {
  return false, err

go.mod

@@ -3,6 +3,7 @@ module github.com/isacikgoz/tldr
 go 1.18
 
 require (
+ github.com/adrg/xdg v0.4.0
  github.com/alecthomas/kingpin/v2 v2.3.2
  github.com/c-bata/go-prompt v0.2.6
  github.com/fatih/color v1.13.0
@@ -36,6 +37,7 @@ require (
  github.com/xanzy/ssh-agent v0.3.3 // indirect
  github.com/xhit/go-str2duration/v2 v2.1.0 // indirect
  golang.org/x/crypto v0.5.0 // indirect
+ golang.org/x/exp v0.0.0-20230519143937-03e91628a987
  golang.org/x/mod v0.7.0 // indirect
  golang.org/x/net v0.5.0 // indirect
  golang.org/x/sys v0.4.0 // indirect

go.sum

@@ -6,6 +6,8 @@ github.com/ProtonMail/go-crypto v0.0.0-20230113180642-068501e20d67 h1:prYO7+yhqR
 github.com/ProtonMail/go-crypto v0.0.0-20230113180642-068501e20d67/go.mod h1:UBYPn8k0D56RtnR8RFQMjmh4KrZzWJ5o7Z9SYjossQ8=
 github.com/acomagu/bufpipe v1.0.3 h1:fxAGrHZTgQ9w5QqVItgzwj235/uYZYgbXitB+dLupOk=
 github.com/acomagu/bufpipe v1.0.3/go.mod h1:mxdxdup/WdsKVreO5GpW4+M/1CE2sMG4jeGJ2sYmHc4=
+github.com/adrg/xdg v0.4.0 h1:RzRqFcjH4nE5C6oTAxhBtoE2IRyjBSa62SCbyPidvls=
+github.com/adrg/xdg v0.4.0/go.mod h1:N6ag73EX4wyxeaoeHctc1mas01KZgsj5tYiAIwqJE/E=
 github.com/alecthomas/kingpin/v2 v2.3.2 h1:H0aULhgmSzN8xQ3nX1uxtdlTHYoPLu5AhHxWrKI6ocU=
 github.com/alecthomas/kingpin/v2 v2.3.2/go.mod h1:0gyi0zQnjuFk8xrkNKamJoyUo382HRL7ATRpFZCw6tE=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -142,6 +144,8 @@ golang.org/x/crypto v0.0.0-20220826181053-bd7e27e6170d/go.mod h1:IxCIyHEi3zRg3s0
 golang.org/x/crypto v0.3.0/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
 golang.org/x/crypto v0.5.0 h1:U/0M97KRkSFvyD/3FSmdP5W5swImpNgle/EHFhOsQPE=
 golang.org/x/crypto v0.5.0/go.mod h1:NK/OQwhpMQP3MwtdjgLlYHnH9ebylxKWv3e0fK+mkQU=
+golang.org/x/exp v0.0.0-20230519143937-03e91628a987 h1:3xJIFvzUFbu4ls0BTBYcgbCGhA63eAOEMxIHugyXJqA=
+golang.org/x/exp v0.0.0-20230519143937-03e91628a987/go.mod h1:V1LtkGg67GoY2N1AnLN78QLrzxkLyJw7RJb1gzOOz9w=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.7.0 h1:LapD9S96VoQRhi/GrNTqeBJFrUjs5UHCAtTlgwA5oZA=
 golang.org/x/mod v0.7.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
@@ -176,6 +180,7 @@ golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211007075335-d3039528d8ac/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=