fs/config: add tier to config wizard

This makes the overview from the docs accessible in the code.

backend/overview/overview.go

@@ -1,5 +1,5 @@
-// Package info provides info about a backend
-package info
+// Package overview provides info about a backend
+package overview
 
 import (
 	"fmt"

backend/overview/overview_test.go

@@ -1,4 +1,4 @@
-package info
+package overview
 
 import (
 	"testing"

docs/data/backends/embed.go

@@ -4,4 +4,6 @@ package backends
 import "embed"
 
 //go:embed *.yaml
+
+// BackendFS contains the backend YAML files
 var BackendFS embed.FS

fs/config/config.go

@@ -24,6 +24,7 @@ import (
 	"github.com/rclone/rclone/fs/rc"
 	"github.com/rclone/rclone/lib/file"
 	"github.com/rclone/rclone/lib/random"
+	"github.com/rclone/rclone/lib/terminal"
 )
 
 const (
@@ -709,6 +710,23 @@ func JSONListProviders() error {
 	return nil
 }
 
+// colorizeTier applies a color based on level of support
+func colorizeTier(tier string) string {
+	var color string
+	switch tier {
+	case "Tier 1", "Tier 2":
+		color = terminal.GreenBg
+	case "Tier 3":
+		color = terminal.YellowBg
+	case "Tier 4", "Tier 5":
+		color = terminal.RedBg
+	default:
+		return tier
+	}
+
+	return terminal.BlackFg + color + tier + terminal.Reset
+}
+
 // fsOption returns an Option describing the possible remotes
 func fsOption() *fs.Option {
 	o := &fs.Option{
@@ -723,7 +741,7 @@ func fsOption() *fs.Option {
 		}
 		example := fs.OptionExample{
 			Value: item.Name,
-			Help:  item.Description,
+			Help:  item.Description + " - " + colorizeTier(item.Overview.Tier),
 		}
 		o.Examples = append(o.Examples, example)
 	}

fs/config/ui.go

@@ -167,6 +167,8 @@ func Choose(what string, kind string, choices, help []string, defaultValue strin
 					number = fmt.Sprintf("%2d", pos)
 				}
 				fmt.Printf("%s %c %s\n", number, sep, line)
+				// reapply color for second line
+				terminal.WriteString(attributes[(pos-1)%len(attributes)])
 			}
 		}
 		terminal.WriteString(terminal.Reset)

fs/registry.go

@@ -13,6 +13,7 @@ import (
 	"strings"
 	"sync"
 
+	"github.com/rclone/rclone/backend/overview"
 	"github.com/rclone/rclone/fs/config/configmap"
 	"github.com/rclone/rclone/fs/config/configstruct"
 	"github.com/rclone/rclone/lib/errcount"
@@ -53,6 +54,8 @@ type RegInfo struct {
 	Hide bool
 	// MetadataInfo help about the metadata in use in this backend
 	MetadataInfo *MetadataInfo
+	// Overview about the backend
+	Overview *overview.BackendConfig
 }
 
 // FileName returns the on disk file name for this backend
@@ -431,6 +434,12 @@ func Register(info *RegInfo) {
 	}
 	info.Options = append(info.Options, optDescription)
 	Registry = append(Registry, info)
+	var err error
+	info.Overview, err = overview.GetBackendConfig(strings.ReplaceAll(info.Name, " ", ""))
+	if err != nil {
+		Errorf(nil, "internal error: no overview data found for %q", info.Name)
+		info.Overview = new(overview.BackendConfig)
+	}
 	for _, alias := range info.Aliases {
 		// Copy the info block and rename and hide the alias and options
 		aliasInfo := *info