mugit/internal/config/config.go(view raw)
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package config
import (
"errors"
"fmt"
"os"
"path/filepath"
"gopkg.in/yaml.v2"
)
var ErrConfigNotFound = errors.New("no config file found")
type ServerConfig struct {
Host string `yaml:"host"`
Port int `yaml:"port"`
}
type MetaConfig struct {
Title string `yaml:"title"`
Description string `yaml:"description"`
Host string `yaml:"host"`
}
type RepoConfig struct {
Dir string `yaml:"dir"`
Readmes []string `yaml:"readmes"`
Masters []string `yaml:"masters"`
}
type SSHConfig struct {
Enable bool `yaml:"enable"`
Port int `yaml:"port"`
HostKey string `yaml:"host_key"`
Keys []string `yaml:"keys"`
}
type MirrorConfig struct {
Enable bool `yaml:"enable"`
Interval string `yaml:"interval"`
GithubToken string `yaml:"github_token"`
}
type Config struct {
Server ServerConfig `yaml:"server"`
Meta MetaConfig `yaml:"meta"`
Repo RepoConfig `yaml:"repo"`
SSH SSHConfig `yaml:"ssh"`
Mirror MirrorConfig `yaml:"mirror"`
}
// Load loads configuration with the following priority:
// 1. User provided fpath (if provided and exists)
// 2. /var/lib/mugit/config.yaml
// 3. $XDG_CONFIG_HOME/mugit/config.yaml or $HOME/.config/mugit/config.yaml
func Load(fpath string) (*Config, error) {
// 4. /etc/mugit/config.yaml
configPath, err := findConfigFile(fpath)
if err != nil {
return nil, err
}
configBytes, err := os.ReadFile(configPath)
if err != nil {
return nil, err
}
var config Config
if cerr := yaml.Unmarshal(configBytes, &config); cerr != nil {
return nil, fmt.Errorf("parsing config: %w", cerr)
}
if config.Repo.Dir, err = filepath.Abs(config.Repo.Dir); err != nil {
return nil, err
}
config.ensureDefaults()
if verr := config.validate(); verr != nil {
return nil, verr
}
return &config, nil
}
func (c *Config) ensureDefaults() {
// ports
if c.Server.Port == 0 {
c.Server.Port = 8080
}
if c.SSH.Port == 0 {
c.SSH.Port = 2222
}
// meta
if c.Meta.Title == "" {
c.Meta.Title = "my cgit"
}
// repos
if len(c.Repo.Masters) == 0 {
c.Repo.Masters = []string{"master", "main"}
}
if len(c.Repo.Readmes) == 0 {
c.Repo.Readmes = []string{
"README.md", "readme.md",
"README.html", "readme.html",
"README.txt", "readme.txt",
"readme",
}
}
// mirroring
if c.Mirror.Interval == "" {
c.Mirror.Interval = "8h"
}
}
func findConfigFile(userPath string) (string, error) {
if userPath != "" {
if _, err := os.Stat(userPath); err == nil {
return userPath, nil
}
}
path := "/var/lib/mugit/config.yaml"
if _, err := os.Stat(path); err == nil {
return path, nil
}
if configDir, err := os.UserConfigDir(); err == nil {
p := filepath.Join(configDir, "mugit", "config.yaml")
if _, err := os.Stat(p); err == nil {
return p, nil
}
}
path = "/etc/mugit/config.yaml"
if _, err := os.Stat(path); err == nil {
return path, nil
}
return "", ErrConfigNotFound
}
func isFileExists(path string) bool {
_, err := os.Stat(path)
return err == nil
}
func isDirExists(path string) bool {
i, err := os.Stat(path)
if err != nil {
return false
}
return i.IsDir()
}
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