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bbb287e29e
Allows generating a plain text version of an issue (i.e. without colors and other terminal formatting) when storing stdout in a file. ``` tea issue --comments 1 > issue1.txt ``` `IsInteractive()` had to be moved to avoid a recursive import chain. --- In the future, it would be nice to also respect the `--output` flag. This flag is currently designed for tabular output, but we could add more supported values like `markdown` `ansi`, `plain` to it Co-authored-by: Norwin <git@nroo.de> Co-authored-by: 6543 <6543@obermui.de> Reviewed-on: https://gitea.com/gitea/tea/pulls/491 Reviewed-by: 6543 <6543@obermui.de> Reviewed-by: delvh <dev.lh@web.de>
60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package print
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import (
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"fmt"
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"os"
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"github.com/charmbracelet/glamour"
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"golang.org/x/crypto/ssh/terminal"
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)
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// outputMarkdown prints markdown to stdout, formatted for terminals.
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// If the input could not be parsed, it is printed unformatted, the error
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// is returned anyway.
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func outputMarkdown(markdown string, baseURL string) error {
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var styleOption glamour.TermRendererOption
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if IsInteractive() {
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styleOption = glamour.WithAutoStyle()
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} else {
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styleOption = glamour.WithStandardStyle("notty")
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}
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renderer, err := glamour.NewTermRenderer(
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styleOption,
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glamour.WithBaseURL(baseURL),
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glamour.WithPreservedNewLines(),
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glamour.WithWordWrap(getWordWrap()),
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)
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if err != nil {
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fmt.Printf(markdown)
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return err
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}
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out, err := renderer.Render(markdown)
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if err != nil {
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fmt.Printf(markdown)
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return err
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}
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fmt.Print(out)
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return nil
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}
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// stolen from https://github.com/charmbracelet/glow/blob/e9d728c/main.go#L152-L165
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func getWordWrap() int {
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fd := int(os.Stdout.Fd())
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width := 80
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if terminal.IsTerminal(fd) {
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if w, _, err := terminal.GetSize(fd); err == nil {
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width = w
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}
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}
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if width > 120 {
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width = 120
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}
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return width
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}
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