func PrepareConfigurationMigration(dir string) (func() bool, func() error) {
environmentLocation := filepath.Join(dir, "config.yml")
env, err := loadOrInitializeEnvironment(environmentLocation)
if err != nil {
themekit.NotifyError(err)
return func() bool { return false }, func() error { return err }
}
confirmationFn := func() bool {
before, _ := ioutil.ReadFile(environmentLocation)
after := env.String()
fmt.Println(themekit.YellowText("Compare changes to configuration:"))
fmt.Println(themekit.YellowText("Before:\n"), themekit.GreenText(string(before)))
fmt.Println(themekit.YellowText("After:\n"), themekit.RedText(after))
reader := bufio.NewReader(os.Stdin)
fmt.Println(themekit.YellowText("Does this look correct? (y/n)"))
text, _ := reader.ReadString('\n')
return strings.TrimSpace(text) == "y"
}
saveFn := func() error {
return env.Save(environmentLocation)
}
return confirmationFn, saveFn
}
func loadThemeClientWithRetry(directory, env string, isRetry bool) (themekit.ThemeClient, error) {
environments, err := loadEnvironments(directory)
if err != nil {
return themekit.ThemeClient{}, err
}
config, err := environments.GetConfiguration(env)
if err != nil && len(environments) > 0 {
invalidEnvMsg := fmt.Sprintf("'%s' is not a valid environment. The following environments are available within config.yml:", env)
fmt.Println(themekit.RedText(invalidEnvMsg))
for e, _ := range environments {
fmt.Println(themekit.RedText(fmt.Sprintf(" - %s", e)))
}
os.Exit(1)
} else if err != nil && !isRetry {
upgradeMessage := fmt.Sprintf("Looks like your configuration file is out of date. Upgrading to default environment '%s'", themekit.DefaultEnvironment)
fmt.Println(themekit.YellowText(upgradeMessage))
confirmationfn, savefn := commands.PrepareConfigurationMigration(directory)
if confirmationfn() && savefn() == nil {
return loadThemeClientWithRetry(directory, env, true)
}
return themekit.ThemeClient{}, errors.New("loadThemeClientWithRetry: could not load or migrate the configuration")
} else if err != nil {
return themekit.ThemeClient{}, err
}
return themekit.NewThemeClient(config), nil
}
func handleError(filename string, err error, eventLog chan themekit.ThemeEvent) {
if nonFatal, ok := err.(themekit.NonFatalNetworkError); ok {
event := basicEvent{
Title: "Non-Fatal Network Error",
EventType: nonFatal.Verb,
Target: filename,
etype: "fsevent",
Formatter: func(b basicEvent) string {
return fmt.Sprintf(
"[%s] Could not complete %s for %s",
themekit.RedText(fmt.Sprintf("%d", nonFatal.Code)),
themekit.YellowText(b.EventType),
themekit.BlueText(b.Target),
)
},
}
logEvent(event, eventLog)
}
}
func checkForUpdate() {
if commands.IsNewReleaseAvailable() {
message := fmt.Sprintf("%s\n%s\n%s", banner, updateAvailableMessage, banner)
fmt.Println(themekit.YellowText(message))
}
}