lure/internal/config/paths.go

109 lines
2.7 KiB
Go

/*
* LURE - Linux User REpository
* Copyright (C) 2023 Elara Musayelyan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package config
import (
"context"
"os"
"path/filepath"
"sync"
"github.com/pelletier/go-toml/v2"
"lure.sh/lure/pkg/loggerctx"
)
// Paths contains various paths used by LURE
type Paths struct {
ConfigDir string
ConfigPath string
CacheDir string
RepoDir string
PkgsDir string
DBPath string
}
var (
pathsMtx sync.Mutex
paths *Paths
)
// GetPaths returns a Paths struct.
// The first time it's called, it'll generate the struct
// using information from the system.
// Subsequent calls will return the same value.
func GetPaths(ctx context.Context) *Paths {
pathsMtx.Lock()
defer pathsMtx.Unlock()
log := loggerctx.From(ctx)
if paths == nil {
paths = &Paths{}
cfgDir, err := os.UserConfigDir()
if err != nil {
log.Fatal("Unable to detect user config directory").Err(err).Send()
}
paths.ConfigDir = filepath.Join(cfgDir, "lure")
err = os.MkdirAll(paths.ConfigDir, 0o755)
if err != nil {
log.Fatal("Unable to create LURE config directory").Err(err).Send()
}
paths.ConfigPath = filepath.Join(paths.ConfigDir, "lure.toml")
if _, err := os.Stat(paths.ConfigPath); err != nil {
cfgFl, err := os.Create(paths.ConfigPath)
if err != nil {
log.Fatal("Unable to create LURE config file").Err(err).Send()
}
err = toml.NewEncoder(cfgFl).Encode(&defaultConfig)
if err != nil {
log.Fatal("Error encoding default configuration").Err(err).Send()
}
cfgFl.Close()
}
cacheDir, err := os.UserCacheDir()
if err != nil {
log.Fatal("Unable to detect cache directory").Err(err).Send()
}
paths.CacheDir = filepath.Join(cacheDir, "lure")
paths.RepoDir = filepath.Join(paths.CacheDir, "repo")
paths.PkgsDir = filepath.Join(paths.CacheDir, "pkgs")
err = os.MkdirAll(paths.RepoDir, 0o755)
if err != nil {
log.Fatal("Unable to create repo cache directory").Err(err).Send()
}
err = os.MkdirAll(paths.PkgsDir, 0o755)
if err != nil {
log.Fatal("Unable to create package cache directory").Err(err).Send()
}
paths.DBPath = filepath.Join(paths.CacheDir, "db")
}
return paths
}