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backend/remote: introduce support for -no-color

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This is a bit of a hack to support the `-no-color` flag while we don’t have an option to set run variables.

That is also the reason why the orginal method is commented out instead of deleted. This will be reverted when the TFE starts supporting run variables.
This commit is contained in:
Sander van Harmelen 2018-10-04 18:01:11 +02:00
parent f09c2db8d2
commit a2241e7c43
2 changed files with 56 additions and 9 deletions
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18
backend/remote/backend.go
View File

@ -496,16 +496,16 @@ func (b *Remote) cancel(cancelCtx context.Context, op *backend.Operation, runID
// Colorize returns the Colorize structure that can be used for colorizing
// output. This is guaranteed to always return a non-nil value and so useful
// as a helper to wrap any potentially colored strings.
func (b *Remote) Colorize() *colorstring.Colorize {
if b.CLIColor != nil {
return b.CLIColor
}
// func (b *Remote) Colorize() *colorstring.Colorize {
// if b.CLIColor != nil {
// return b.CLIColor
// }
return &colorstring.Colorize{
Colors: colorstring.DefaultColors,
Disable: true,
}
}
// return &colorstring.Colorize{
// Colors: colorstring.DefaultColors,
// Disable: true,
// }
// }
func generalError(msg string, err error) error {
if urlErr, ok := err.(*url.Error); ok {

47
backend/remote/colorize.go Normal file
View File

@ -0,0 +1,47 @@
package remote
import (
"regexp"
"github.com/mitchellh/colorstring"
)
// colorsRe is used to find ANSI escaped color codes.
var colorsRe = regexp.MustCompile("\033\\[\\d{1,3}m")
// Colorer is the interface that must be implemented to colorize strings.
type Colorer interface {
Color(v string) string
}
// Colorize is used to print output when the -no-color flag is used. It will
// strip all ANSI escaped color codes which are set while the operation was
// executed in Terraform Enterprise.
//
// When Terraform Enterprise supports run specific variables, this code can be
// removed as we can then pass the CLI flag to the backend and prevent the color
// codes from being written to the output.
type Colorize struct {
cliColor *colorstring.Colorize
}
// Color will strip all ANSI escaped color codes and return a uncolored string.
func (c *Colorize) Color(v string) string {
return colorsRe.ReplaceAllString(c.cliColor.Color(v), "")
}
// Colorize returns the Colorize structure that can be used for colorizing
// output. This is guaranteed to always return a non-nil value and so is useful
// as a helper to wrap any potentially colored strings.
func (b *Remote) Colorize() Colorer {
if b.CLIColor != nil && !b.CLIColor.Disable {
return b.CLIColor
}
if b.CLIColor != nil {
return &Colorize{cliColor: b.CLIColor}
}
return &Colorize{cliColor: &colorstring.Colorize{
Colors: colorstring.DefaultColors,
Disable: true,
}}
}