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package archetype
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import (
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"fmt"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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)
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type Config struct {
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Adapter Adapter // adapter for this instance
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Root string // root of the site data
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StaticRoot string // root of static files for StaticFileManager
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AssetRoot string // root of Nirvash dist files (CSS, images)
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Plugins map[string]interface{}
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}
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func GetConfigLocation() string {
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home := os.Getenv("HOME")
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appdata := os.Getenv("APPDATA")
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switch runtime.GOOS {
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case "windows":
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return filepath.Join(appdata, "nirvash")
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case "darwin":
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return filepath.Join(home, "Library", "Application Support", "nirvash")
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case "plan9":
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return filepath.Join(home, "lib", "nirvash")
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default:
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return filepath.Join(home, ".config", "nirvash")
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}
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}
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func ensureConfigLocationExists() {
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fileInfo, err := os.Stat(GetConfigLocation())
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if os.IsNotExist(err) {
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os.MkdirAll(GetConfigLocation(), os.ModePerm)
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} else if !fileInfo.IsDir() {
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panic("Config location is not a directory!")
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}
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}
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func ReadConfig() *Config {
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ensureConfigLocationExists()
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return parseConfig(filepath.Join(GetConfigLocation(), "nirvash.conf"))
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}
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func (self *Config) Write() error {
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ensureConfigLocationExists()
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return writeConfig(self, filepath.Join(GetConfigLocation(), "nirvash.conf"))
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}
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func (self *Config) SetAdapter(adapter string) {
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switch adapter {
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case "eureka":
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self.Adapter = &EurekaAdapter{}
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default:
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panic("Unsupported adapter! Try one of [ eureka ]")
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}
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}
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func (self *Config) IsNull() bool {
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return self.Adapter == nil || len(self.Root) == 0 || len(self.StaticRoot) == 0 || len(self.AssetRoot) == 0
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}
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func (self *Config) RunWizard() {
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fmt.Printf("All options are required.\n")
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defer func(cfg *Config) {
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if r := recover(); r != nil {
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fmt.Printf("Invalid selection, starting over...")
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cfg.RunWizard()
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}
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}(self)
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inputBuf := ""
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fmt.Printf("adapter? (eureka) [eureka] ")
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fmt.Scanln(&inputBuf)
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if len(strings.TrimSpace(inputBuf)) == 0 {
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inputBuf = "eureka"
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}
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self.SetAdapter(inputBuf)
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inputBuf = ""
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fmt.Printf("site data root? ")
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ensureNonEmptyOption(&inputBuf)
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self.Root = inputBuf
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inputBuf = ""
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fmt.Printf("static file root? ")
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ensureNonEmptyOption(&inputBuf)
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self.StaticRoot = inputBuf
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inputBuf = ""
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fmt.Printf("nirvash asset root? ")
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ensureNonEmptyOption(&inputBuf)
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self.AssetRoot = inputBuf
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inputBuf = ""
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fmt.Printf("plugins? (not implemented yet) ")
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ensureNonEmptyOption(&inputBuf)
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//self.Plugins = processPlugins(inputBuf)
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fmt.Printf("Configuration complete!\n")
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self.Write()
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}
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func ensureNonEmptyOption(buffer *string) {
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for {
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fmt.Scanln(buffer)
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if len(strings.TrimSpace(*buffer)) != 0 {
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break
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}
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}
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}
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func writeConfig(cfg *Config, configFile string) error {
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f, err := os.Create(configFile)
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if err != nil {
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return err
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}
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defer f.Close()
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f.WriteString("root=" + cfg.Root + "\n")
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f.WriteString("staticRoot=" + cfg.StaticRoot + "\n")
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f.WriteString("assetRoot=" + cfg.AssetRoot + "\n")
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f.WriteString("adapter=" + cfg.Adapter.Name() + "\n")
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f.WriteString("plugins=\n")
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return nil
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}
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func parseConfig(configFile string) *Config {
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f, err := os.ReadFile(configFile)
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cfg := &Config{}
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if err != nil {
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return cfg
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}
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fileData := string(f[:])
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lines := strings.Split(fileData, "\n")
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for _, l := range lines {
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if len(l) == 0 {
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continue
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}
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if !strings.Contains(l, "=") {
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panic("Malformed config not in INI format")
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}
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kvp := strings.Split(l, "=")
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k := strings.TrimSpace(kvp[0])
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v := strings.TrimSpace(kvp[1])
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switch k {
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case "root":
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cfg.Root = v
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case "staticRoot":
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cfg.StaticRoot = v
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case "assetRoot":
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cfg.AssetRoot = v
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case "plugins":
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// not implemented
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case "adapter":
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cfg.SetAdapter(v)
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default:
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panic("Unrecognized config option: " + k)
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}
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}
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return cfg
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}
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