resolve: succeed on recursion limit when not recursing

Otherwise, non-recursive resolution is pretty much useless.

License: MIT
Signed-off-by: Steven Allen <steven@stebalien.com>

core/commands/dns.go

@@ -71,10 +71,7 @@ The resolver can recursively resolve:
 		}
 
 		output, err := resolver.Resolve(req.Context, name, ropts...)
-		if err == namesys.ErrResolveFailed {
-			return err
-		}
-		if err != nil {
+		if err != nil && (recursive || err != namesys.ErrResolveRecursion) {
 			return err
 		}
 		return cmds.EmitOnce(res, &ncmd.ResolvedPath{Path: output})

core/commands/name/ipns.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	cmdenv "github.com/ipfs/go-ipfs/core/commands/cmdenv"
+	namesys "github.com/ipfs/go-ipfs/namesys"
 
 	cmdkit "github.com/ipfs/go-ipfs-cmdkit"
 	cmds "github.com/ipfs/go-ipfs-cmds"
@@ -130,7 +131,7 @@ Resolve the value of a dnslink:
 
 		if !stream {
 			output, err := api.Name().Resolve(req.Context, name, opts...)
-			if err != nil {
+			if err != nil && (recursive || err != namesys.ErrResolveRecursion) {
 				return err
 			}
 
@@ -143,8 +144,8 @@ Resolve the value of a dnslink:
 		}
 
 		for v := range output {
-			if v.Err != nil {
-				return err
+			if v.Err != nil && (recursive || v.Err != namesys.ErrResolveRecursion) {
+				return v.Err
 			}
 			if err := res.Emit(&ResolvedPath{path.FromString(v.Path.String())}); err != nil {
 				return err