issue_show: Render markdown in notes

Just as the issue/MR description, notes can use markdown. It's a bit
odd to render it for the former and not the latter, so do just that
(unless markdown is disabled).

Besides the consistency, this improves the readability of long comments
by quite a lot.

cmd/issue_show.go

@@ -11,8 +11,10 @@ import (
 
 	"github.com/araddon/dateparse"
 	"github.com/charmbracelet/glamour"
+	"github.com/charmbracelet/glamour/ansi"
 	"github.com/fatih/color"
 	"github.com/jaytaylor/html2text"
+	"github.com/muesli/termenv"
 	"github.com/rsteube/carapace"
 	"github.com/spf13/cobra"
 	gitlab "github.com/xanzy/go-gitlab"
@@ -64,7 +66,7 @@ var issueShowCmd = &cobra.Command{
 				log.Fatal(err)
 			}
 
-			PrintDiscussions(discussions, since, "issues", int(issueNum))
+			PrintDiscussions(discussions, since, "issues", int(issueNum), renderMarkdown)
 		}
 	},
 }
@@ -269,7 +271,7 @@ func displayCommitDiscussion(idNum int, note *gitlab.Note) {
 	fmt.Println("")
 }
 
-func PrintDiscussions(discussions []*gitlab.Discussion, since string, idstr string, idNum int) {
+func PrintDiscussions(discussions []*gitlab.Discussion, since string, idstr string, idNum int, renderMarkdown bool) {
 	NewAccessTime := time.Now().UTC()
 
 	issueEntry := fmt.Sprintf("%s%d", idstr, idNum)
@@ -288,6 +290,11 @@ func PrintDiscussions(discussions []*gitlab.Discussion, since string, idstr stri
 		sinceIsSet = false
 	}
 
+	mdRendererNormal, _ := glamour.NewTermRenderer(
+		glamour.WithAutoStyle())
+	mdRendererBold, _ := glamour.NewTermRenderer(
+		glamour.WithStyles(getBoldStyle()))
+
 	// for available fields, see
 	// https://godoc.org/github.com/xanzy/go-gitlab#Note
 	// https://godoc.org/github.com/xanzy/go-gitlab#Discussion
@@ -319,6 +326,7 @@ func PrintDiscussions(discussions []*gitlab.Discussion, since string, idstr stri
 				OmitLinks:    true,
 			}
 			noteBody, _ = html2text.FromString(noteBody, html2textOptions)
+			mdRenderer := mdRendererNormal
 			printit := color.New().PrintfFunc()
 			if note.System {
 				splitNote := strings.SplitN(noteBody, "\n", 2)
@@ -331,6 +339,9 @@ func PrintDiscussions(discussions []*gitlab.Discussion, since string, idstr stri
 `,
 					note.Author.Username, splitNote[0], time.Time(*note.UpdatedAt).String())
 				if len(splitNote) == 2 {
+					if renderMarkdown {
+						splitNote[1], _ = mdRenderer.Render(splitNote[1])
+					}
 					printit(`%s
 `,
 						splitNote[1])
@@ -344,9 +355,13 @@ func PrintDiscussions(discussions []*gitlab.Discussion, since string, idstr stri
 				indentHeader)
 
 			if time.Time(*note.UpdatedAt).After(CompareTime) {
+				mdRenderer = mdRendererBold
 				printit = color.New(color.Bold).PrintfFunc()
 			}
 
+			if renderMarkdown {
+				noteBody, _ = mdRenderer.Render(noteBody)
+			}
 			noteBody = strings.Replace(noteBody, "\n", "\n"+indentNote, -1)
 
 			printit(`%s#%d: %s %s at %s
@@ -368,6 +383,18 @@ func PrintDiscussions(discussions []*gitlab.Discussion, since string, idstr stri
 	}
 }
 
+func getBoldStyle() ansi.StyleConfig {
+	var style ansi.StyleConfig
+	if termenv.HasDarkBackground() {
+		style = glamour.DarkStyleConfig
+	} else {
+		style = glamour.LightStyleConfig
+	}
+	bold := true
+	style.Document.Bold = &bold
+	return style
+}
+
 func init() {
 	issueShowCmd.Flags().BoolP("no-markdown", "M", false, "don't use markdown renderer to print the issue description")
 	issueShowCmd.Flags().BoolP("comments", "c", false, "show comments for the issue")

cmd/mr_show.go

@@ -80,7 +80,7 @@ var mrShowCmd = &cobra.Command{
 				log.Fatal(err)
 			}
 
-			PrintDiscussions(discussions, since, "mr", int(mrNum))
+			PrintDiscussions(discussions, since, "mr", int(mrNum), renderMarkdown)
 		}
 	},
 }

go.mod

@@ -30,7 +30,7 @@ require (
 	github.com/microcosm-cc/bluemonday v1.0.4 // indirect
 	github.com/mitchellh/mapstructure v1.3.3 // indirect
 	github.com/muesli/reflow v0.2.0 // indirect
-	github.com/muesli/termenv v0.7.4 // indirect
+	github.com/muesli/termenv v0.7.4
 	github.com/onsi/gomega v1.4.3 // indirect
 	github.com/pelletier/go-toml v1.8.1 // indirect
 	github.com/pkg/errors v0.9.1