commands: Extract some common types into its own file

See #4598
This commit is contained in:
Bjørn Erik Pedersen 2018-04-10 08:55:13 +02:00
parent 2f0d98a19b
commit 018602c46d
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GPG key ID: 330E6E2BD4859D8F
2 changed files with 63 additions and 47 deletions

62
commands/helpers.go Normal file
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@ -0,0 +1,62 @@
// Copyright 2018 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package commands defines and implements command-line commands and flags
// used by Hugo. Commands and flags are implemented using Cobra.
package commands
const (
ansiEsc = "\u001B"
clearLine = "\r\033[K"
hideCursor = ansiEsc + "[?25l"
showCursor = ansiEsc + "[?25h"
)
// commandError is an error used to signal different error situations in command handling.
type commandError struct {
s string
userError bool
}
func (c commandError) Error() string {
return c.s
}
func (c commandError) isUserError() bool {
return c.userError
}
func newUserError(a ...interface{}) commandError {
return commandError{s: fmt.Sprintln(a...), userError: true}
}
func newSystemError(a ...interface{}) commandError {
return commandError{s: fmt.Sprintln(a...), userError: false}
}
func newSystemErrorF(format string, a ...interface{}) commandError {
return commandError{s: fmt.Sprintf(format, a...), userError: false}
}
// Catch some of the obvious user errors from Cobra.
// We don't want to show the usage message for every error.
// The below may be to generic. Time will show.
var userErrorRegexp = regexp.MustCompile("argument|flag|shorthand")
func isUserError(err error) bool {
if cErr, ok := err.(commandError); ok && cErr.isUserError() {
return true
}
return userErrorRegexp.MatchString(err.Error())
}

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@ -1,4 +1,4 @@
// Copyright 2016 The Hugo Authors. All rights reserved.
// Copyright 2018 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
@ -59,13 +59,6 @@ import (
// provide a cleaner external API, but until then, this is it.
var Hugo *hugolib.HugoSites
const (
ansiEsc = "\u001B"
clearLine = "\r\033[K"
hideCursor = ansiEsc + "[?25l"
showCursor = ansiEsc + "[?25h"
)
// Reset resets Hugo ready for a new full build. This is mainly only useful
// for benchmark testing etc. via the CLI commands.
func Reset() error {
@ -73,45 +66,6 @@ func Reset() error {
return nil
}
// commandError is an error used to signal different error situations in command handling.
type commandError struct {
s string
userError bool
}
func (c commandError) Error() string {
return c.s
}
func (c commandError) isUserError() bool {
return c.userError
}
func newUserError(a ...interface{}) commandError {
return commandError{s: fmt.Sprintln(a...), userError: true}
}
func newSystemError(a ...interface{}) commandError {
return commandError{s: fmt.Sprintln(a...), userError: false}
}
func newSystemErrorF(format string, a ...interface{}) commandError {
return commandError{s: fmt.Sprintf(format, a...), userError: false}
}
// Catch some of the obvious user errors from Cobra.
// We don't want to show the usage message for every error.
// The below may be to generic. Time will show.
var userErrorRegexp = regexp.MustCompile("argument|flag|shorthand")
func isUserError(err error) bool {
if cErr, ok := err.(commandError); ok && cErr.isUserError() {
return true
}
return userErrorRegexp.MatchString(err.Error())
}
// HugoCmd is Hugo's root command.
// Every other command attached to HugoCmd is a child command to it.
var HugoCmd = &cobra.Command{