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"`
}
func Load(fpath string) (*Config, error) {
configBytes, err := os.ReadFile(fpath)
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
}
// PathOrDefault uses userPath, if it's "", or invalid path, will default to one of those(in priority order)
// 1. ./config.yaml
// 2. /etc/mugit.yaml
// 3. /var/lib/mugit/config.yaml
func PathOrDefault(userPath string) string {
return pathOrDefaultWithCandidates(userPath, []string{
"./config.yaml",
"/etc/mugit.yaml",
"/var/lib/mugit/config.yaml",
})
}
func pathOrDefaultWithCandidates(path string, candidates []string) string {
if isFileExists(path) {
return path
}
for _, fpath := range candidates {
if isFileExists(fpath) {
return fpath
}
}
return ""
}
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 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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