Exemplo n.º 1
0
func ErrorFilePath(err error) string {
	v, ok := errors.GetData(err, filePathErrorKey).(string)
	if !ok {
		return ""
	}
	return v
}
Exemplo n.º 2
0
func ErrorLineNumber(err error) int {
	v, ok := errors.GetData(err, lineNumberErrorKey).(int)
	if !ok {
		return -1
	}
	return v
}
Exemplo n.º 3
0
// GetStatusCode will return the status code associated with an error, and
// default_code if none is found.
func GetStatusCode(err error, default_code int) int {
	rv := errors.GetData(err, statusCode)
	sc, ok := rv.(int)
	if ok {
		return sc
	}
	return default_code
}
Exemplo n.º 4
0
// GetErrorBody will return the user-visible error message given an error.
// The message will be determined by errors.GetMessage() unless the error class
// has an error body overridden by OverrideErrorBody.
func GetErrorBody(err error) string {
	rv := errors.GetData(err, errorBody)
	message, ok := rv.(string)
	if !ok {
		return errors.GetMessage(err)
	}
	class := errors.GetClass(err)
	if class == nil {
		return message
	}
	return fmt.Sprintf("%s: %s", class.String(), message)
}
Exemplo n.º 5
0
func main() {
	try.Do(func() {
		cli.Main(os.Args, os.Stderr, os.Stdout)
	}).Catch(cli.Exit, func(err *errors.Error) {
		// Errors marked as valid user-facing issues get a nice
		// pretty-printed route out, and may include specified exit codes.
		fmt.Fprintf(os.Stderr,
			"%s\n",
			err.Message())
		// exit, taking the specified code if any.
		code := errors.GetData(err, cli.ExitCodeKey)
		if code == nil {
			os.Exit(int(0))
		}
		os.Exit(int(code.(cli.ExitCode)))
	}).Catch(cli.Error, func(err *errors.Error) {
		// Errors marked as valid user-facing issues get a nice
		// pretty-printed route out, and may include specified exit codes.
		if isDebugMode() {
			// in debug-mode, repanic all the way to death so that we get all of golang's built in log features.
			panic(err)
		} else {
			// print nicely.
			fmt.Fprintf(os.Stderr,
				"Repeatr was unable to complete your request!\n"+
					"%s\n",
				err.Message())
			// exit, taking the specified code if any.
			code := errors.GetData(err, cli.ExitCodeKey)
			if code == nil {
				os.Exit(int(cli.EXIT_USER))
			}
			os.Exit(int(code.(cli.ExitCode)))
		}
	}).CatchAll(func(err error) {
		// Errors that aren't marked as valid user-facing issues should be
		// logged in preparation for a bug report.
		if isDebugMode() {
			// in debug-mode, repanic all the way to death so that we get all of golang's built in log features.
			panic(err)
		} else {
			// save the error to a file.  we want to keep the stacks, but not scare away the user.
			logPath, saveErr := saveErrorReport(err)
			var saveMsg string
			if saveErr == nil {
				saveMsg = fmt.Sprintf("We've logged the full error to a file: %q.  Please include this in the report.", logPath)
			} else {
				saveMsg = fmt.Sprintf("Additionally, we were unable to save a full log of the problem (\"%s\").", saveErr)
			}
			fmt.Fprintf(os.Stderr,
				"Repeatr encountered a serious issue and was unable to complete your request!\n"+
					"Please file an issue to help us fix it.\n"+
					"%s\n"+
					"\n"+
					"This is the short version of the problem:\n"+
					"%s\n",
				saveMsg,
				errors.GetMessage(err),
			)
			os.Exit(int(cli.EXIT_UNKNOWNPANIC))
		}
	}).Done()
}