chore(sources/env): bump gosettings to v0.3.0-rc13

- Use `RetroKeys` option with env.* method calls
- Use `CSV*` typed methods
- Inject `handleDeprecatedKey` function

internal/configuration/sources/env/system.go

@@ -1,26 +1,17 @@
 package env
 
 import (
-	"errors"
-	"fmt"
-	"strconv"
-
 	"github.com/qdm12/gluetun/internal/configuration/settings"
-)
-
-var (
-	ErrSystemPUIDNotValid     = errors.New("PUID is not valid")
-	ErrSystemPGIDNotValid     = errors.New("PGID is not valid")
-	ErrSystemTimezoneNotValid = errors.New("timezone is not valid")
+	"github.com/qdm12/gosettings/sources/env"
 )
 
 func (s *Source) readSystem() (system settings.System, err error) {
-	system.PUID, err = s.readID("PUID", "UID")
+	system.PUID, err = s.env.Uint32Ptr("PUID", env.RetroKeys("UID"))
 	if err != nil {
 		return system, err
 	}
 
-	system.PGID, err = s.readID("PGID", "GID")
+	system.PGID, err = s.env.Uint32Ptr("PGID", env.RetroKeys("GID"))
 	if err != nil {
 		return system, err
 	}
@@ -29,28 +20,3 @@ func (s *Source) readSystem() (system settings.System, err error) {
 
 	return system, nil
 }
-
-var ErrSystemIDNotValid = errors.New("system ID is not valid")
-
-func (s *Source) readID(key, retroKey string) (
-	id *uint32, err error) {
-	idEnvKey, idStringPtr := s.getEnvWithRetro(key, []string{retroKey})
-	if idStringPtr == nil {
-		return nil, nil //nolint:nilnil
-	}
-	idString := *idStringPtr
-
-	const base = 10
-	const bitSize = 64
-	const max = uint64(^uint32(0))
-	idUint64, err := strconv.ParseUint(idString, base, bitSize)
-	if err != nil {
-		return nil, fmt.Errorf("environment variable %s: %w: %s",
-			idEnvKey, ErrSystemIDNotValid, err)
-	} else if idUint64 > max {
-		return nil, fmt.Errorf("environment variable %s: %w: %d: must be between 0 and %d",
-			idEnvKey, ErrSystemIDNotValid, idUint64, max)
-	}
-
-	return ptrTo(uint32(idUint64)), nil
-}