Print labels with their colors on lab label list

This takes the label.color hex and converts it to color in HexToRGB in
utils, then uses rgbterm lib to convert rgb to terminal color.

Signed-off-by: Lucas Zampieri <lzampier@redhat.com>

cmd/label_list.go

@@ -53,7 +53,10 @@ var labelListCmd = &cobra.Command{
 				description = " - " + label.Description
 			}
 
-			fmt.Printf("%s%s\n", label.Name, description)
+			// Convert hex color to rgb object
+			c := HexToRGB(label.Color)
+
+			fmt.Printf("\033[48;2;%d;%d;%dm%s\033[0m%s\n", c.R, c.G, c.B, label.Name, description)
 		}
 	},
 }

cmd/util.go

@@ -4,6 +4,7 @@ package cmd
 
 import (
 	"fmt"
+	"image/color"
 	"os"
 	"os/exec"
 	"strconv"
@@ -719,6 +720,7 @@ func mapLabelsAsLabelOptions(rn string, labelTerms []string) (gitlab.LabelOption
 
 	return gitlab.LabelOptions(matches), nil
 }
+
 // dumpToken dumps information about a specific Personal Access Token
 func dumpToken(tokendata *gitlab.PersonalAccessToken) {
 	fmt.Println("ID:        ", tokendata.ID)
@@ -732,3 +734,9 @@ func dumpToken(tokendata *gitlab.PersonalAccessToken) {
 	fmt.Println("ExpiresAt: ", time.Time(*tokendata.ExpiresAt).String())
 	fmt.Println("")
 }
+
+// HexToRGB converts hex color to color.RGBA with "#FFFFFF" format
+func HexToRGB(hex string) color.RGBA {
+	values, _ := strconv.ParseUint(string(hex[1:]), 16, 32)
+	return color.RGBA{R: uint8(values >> 16), G: uint8((values >> 8) & 0xFF), B: uint8(values & 0xFF), A: 255}
+}

go.mod

@@ -28,11 +28,13 @@ require (
 
 require (
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
+	github.com/gookit/color v1.5.4 // indirect
 	github.com/pelletier/go-toml/v2 v2.1.1 // indirect
 	github.com/rsteube/carapace-shlex v0.1.1 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 // indirect
 	go.uber.org/atomic v1.11.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/exp v0.0.0-20240103183307-be819d1f06fc // indirect

go.sum

@@ -597,6 +597,8 @@ github.com/googleapis/gax-go/v2 v2.6.0/go.mod h1:1mjbznJAPHFpesgE5ucqfYEscaz5kMd
 github.com/googleapis/gax-go/v2 v2.7.0/go.mod h1:TEop28CZZQ2y+c0VxMUmu1lV+fQx57QpBWsYpwqHJx8=
 github.com/googleapis/go-type-adapters v1.0.0/go.mod h1:zHW75FOG2aur7gAO2B+MLby+cLsWGBF62rFAi7WjWO4=
 github.com/googleapis/google-cloud-go-testing v0.0.0-20200911160855-bcd43fbb19e8/go.mod h1:dvDLG8qkwmyD9a/MJJN3XJcT3xFxOKAvTZGvuZmac9g=
+github.com/gookit/color v1.5.4 h1:FZmqs7XOyGgCAxmWyPslpiok1k05wmY3SJTytgvYFs0=
+github.com/gookit/color v1.5.4/go.mod h1:pZJOeOS8DM43rXbp4AZo1n9zCU2qjpcRko0b6/QJi9w=
 github.com/gorilla/css v1.0.0 h1:BQqNyPTi50JCFMTw/b67hByjMVXZRwGha6wxVGkeihY=
 github.com/gorilla/css v1.0.0/go.mod h1:Dn721qIggHpt4+EFCcTLTU/vk5ySda2ReITrtgBl60c=
 github.com/gorilla/css v1.0.1 h1:ntNaBIghp6JmvWnxbZKANoLyuXTPZ4cAMlo6RyhlbO8=
@@ -878,6 +880,8 @@ github.com/xanzy/go-gitlab v0.83.0 h1:37p0MpTPNbsTMKX/JnmJtY8Ch1sFiJzVF342+RvZEG
 github.com/xanzy/go-gitlab v0.83.0/go.mod h1:5ryv+MnpZStBH8I/77HuQBsMbBGANtVpLWC15qOjWAw=
 github.com/xanzy/go-gitlab v0.95.2 h1:4p0IirHqEp5f0baK/aQqr4TR57IsD+8e4fuyAA1yi88=
 github.com/xanzy/go-gitlab v0.95.2/go.mod h1:ETg8tcj4OhrB84UEgeE8dSuV/0h4BBL1uOV/qK0vlyI=
+github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 h1:QldyIu/L63oPpyvQmHgvgickp1Yw510KJOqX7H24mg8=
+github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778/go.mod h1:2MuV+tbUrU1zIOPMxZ5EncGwgmMJsa+9ucAQZXxsObs=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=