chore: use errors.New to replace fmt.Errorf with no parameters

cmd/ipfs/kubo/daemon.go

@@ -295,7 +295,7 @@
 		if !domigrate {
 			fmt.Println("Not running migrations of fs-repo now.")
 			fmt.Println("Please get fs-repo-migrations from https://dist.ipfs.tech")
-			return fmt.Errorf("fs-repo requires migration")
+			return errors.New("fs-repo requires migration")
 		}
 
 		// Read Migration section of IPFS config
@@ -436,7 +436,7 @@
 		ncfg.Routing = libp2p.NilRouterOption
 	case routingOptionCustomKwd:
 		if cfg.Routing.AcceleratedDHTClient.WithDefault(config.DefaultAcceleratedDHTClient) {
-			return fmt.Errorf("Routing.AcceleratedDHTClient option is set even tho Routing.Type is custom, using custom .AcceleratedDHTClient needs to be set on DHT routers individually")
+			return errors.New("Routing.AcceleratedDHTClient option is set even tho Routing.Type is custom, using custom .AcceleratedDHTClient needs to be set on DHT routers individually")
 		}
 		ncfg.Routing = libp2p.ConstructDelegatedRouting(
 			cfg.Routing.Routers,

cmd/ipfs/kubo/init.go

@@ -88,11 +88,11 @@
 				if it.Err() != nil {
 					return it.Err()
 				}
-				return fmt.Errorf("file argument was nil")
+				return errors.New("file argument was nil")
 			}
 			file := files.FileFromEntry(it)
 			if file == nil {
-				return fmt.Errorf("expected a regular file")
+				return errors.New("expected a regular file")
 			}
 
 			conf = &config.Config{}

core/commands/add.go

@@ -25,7 +25,7 @@ import (
 )
 
 // ErrDepthLimitExceeded indicates that the max depth has been exceeded.
-var ErrDepthLimitExceeded = fmt.Errorf("depth limit exceeded")
+var ErrDepthLimitExceeded = errors.New("depth limit exceeded")
 
 type TimeParts struct {
 	t *time.Time

core/commands/cat.go

@@ -2,7 +2,7 @@ package commands
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"io"
 	"os"
 
@@ -43,13 +43,13 @@ var CatCmd = &cmds.Command{
 
 		offset, _ := req.Options[offsetOptionName].(int64)
 		if offset < 0 {
-			return fmt.Errorf("cannot specify negative offset")
+			return errors.New("cannot specify negative offset")
 		}
 
 		max, found := req.Options[lengthOptionName].(int64)
 
 		if max < 0 {
-			return fmt.Errorf("cannot specify negative length")
+			return errors.New("cannot specify negative length")
 		}
 		if !found {
 			max = -1

core/commands/cid.go

@@ -1,6 +1,7 @@
 package commands
 
 import (
+	"errors"
 	"fmt"
 	"io"
 	"sort"
@@ -85,10 +86,10 @@
 			}
 		case "0":
 			if opts.newCodec != 0 && opts.newCodec != cid.DagProtobuf {
-				return fmt.Errorf("cannot convert to CIDv0 with any codec other than dag-pb")
+				return errors.New("cannot convert to CIDv0 with any codec other than dag-pb")
 			}
 			if baseStr != "" && baseStr != "base58btc" {
-				return fmt.Errorf("cannot convert to CIDv0 with any multibase other than the implicit base58btc")
+				return errors.New("cannot convert to CIDv0 with any multibase other than the implicit base58btc")
 			}
 			opts.verConv = toCidV0
 		case "1":

core/commands/dht.go

@@ -78,7 +78,7 @@
 		}
 
 		if d, ok := client.(kademlia); !ok {
-			return fmt.Errorf("dht client does not support GetClosestPeers")
+			return errors.New("dht client does not support GetClosestPeers")
 		} else {
 			errCh := make(chan error, 1)
 			go func() {

core/commands/files.go

@@ -327,7 +327,7 @@
 			Type:           "file",
 		}, nil
 	default:
-		return nil, fmt.Errorf("not unixfs node (proto or raw)")
+		return nil, errors.New("not unixfs node (proto or raw)")
 	}
 }
 

core/commands/id.go

@@ -81,7 +81,7 @@
 			var err error
 			id, err = peer.Decode(req.Arguments[0])
 			if err != nil {
-				return fmt.Errorf("invalid peer id")
+				return errors.New("invalid peer id")
 			}
 		} else {
 			id = n.Identity

core/commands/keystore.go

@@ -5,6 +5,7 @@
 	"crypto/ed25519"
 	"crypto/x509"
 	"encoding/pem"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -101,12 +102,12 @@
 
 		typ, f := req.Options[keyStoreTypeOptionName].(string)
 		if !f {
-			return fmt.Errorf("please specify a key type with --type")
+			return errors.New("please specify a key type with --type")
 		}
 
 		name := req.Arguments[0]
 		if name == "self" {
-			return fmt.Errorf("cannot create key with name 'self'")
+			return errors.New("cannot create key with name 'self'")
 		}
 
 		opts := []options.KeyGenerateOption{options.Key.Type(typ)}

core/commands/p2p.go

@@ -250,7 +250,7 @@
 		if sport != "" {
 			return sport, nil
 		}
-		return "", fmt.Errorf("address does not contain tcp or udp protocol")
+		return "", errors.New("address does not contain tcp or udp protocol")
 	}
 
 	sport, err := getPort()
@@ -264,7 +264,7 @@
 	}
 
 	if port == 0 {
-		return fmt.Errorf("port can not be 0")
+		return errors.New("port can not be 0")
 	}
 
 	return nil

core/commands/routing.go

@@ -70,7 +70,7 @@
 
 		numProviders, _ := req.Options[numProvidersOptionName].(int)
 		if numProviders < 1 {
-			return fmt.Errorf("number of providers must be greater than 0")
+			return errors.New("number of providers must be greater than 0")
 		}
 
 		c, err := cid.Parse(req.Arguments[0])

core/commands/stat.go

@@ -1,6 +1,7 @@
 package commands
 
 import (
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -100,7 +101,7 @@
 		}
 
 		if nd.Reporter == nil {
-			return fmt.Errorf("bandwidth reporter disabled in config")
+			return errors.New("bandwidth reporter disabled in config")
 		}
 
 		pstr, pfound := req.Options[statPeerOptionName].(string)

core/coreapi/coreapi.go

@@ -218,7 +218,7 @@
 			cs = node.DefaultIpnsCacheSize
 		}
 		if cs < 0 {
-			return nil, fmt.Errorf("cannot specify negative resolve cache size")
+			return nil, errors.New("cannot specify negative resolve cache size")
 		}
 
 		nsOptions := []namesys.Option{

core/coreapi/key.go

@@ -65,7 +65,7 @@
 	}
 
 	if name == "self" {
-		return nil, fmt.Errorf("cannot create key with name 'self'")
+		return nil, errors.New("cannot create key with name 'self'")
 	}
 
 	_, err = api.repo.Keystore().Get(name)
@@ -168,11 +168,11 @@
 	ks := api.repo.Keystore()
 
 	if oldName == "self" {
-		return nil, false, fmt.Errorf("cannot rename key with name 'self'")
+		return nil, false, errors.New("cannot rename key with name 'self'")
 	}
 
 	if newName == "self" {
-		return nil, false, fmt.Errorf("cannot overwrite key with name 'self'")
+		return nil, false, errors.New("cannot overwrite key with name 'self'")
 	}
 
 	oldKey, err := ks.Get(oldName)
@@ -232,7 +232,7 @@
 	ks := api.repo.Keystore()
 
 	if name == "self" {
-		return nil, fmt.Errorf("cannot remove key with name 'self'")
+		return nil, errors.New("cannot remove key with name 'self'")
 	}
 
 	removed, err := ks.Get(name)

core/coreapi/name.go

@@ -2,6 +2,7 @@
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"strings"
 	"time"
@@ -214,5 +215,5 @@
 		}
 	}
 
-	return nil, fmt.Errorf("no key by the given name or PeerID was found")
+	return nil, errors.New("no key by the given name or PeerID was found")
 }

core/coreapi/routing.go

@@ -109,7 +109,7 @@
 
 	numProviders := settings.NumProviders
 	if numProviders < 1 {
-		return nil, fmt.Errorf("number of providers must be greater than 0")
+		return nil, errors.New("number of providers must be greater than 0")
 	}
 
 	pchan := api.routing.FindProvidersAsync(ctx, rp.RootCid(), numProviders)

core/coreapi/unixfs.go

@@ -72,7 +72,7 @@ func (api *UnixfsAPI) Add(ctx context.Context, files files.Node, opts ...options
 	//}
 
 	if settings.NoCopy && !(cfg.Experimental.FilestoreEnabled || cfg.Experimental.UrlstoreEnabled) {
-		return path.ImmutablePath{}, fmt.Errorf("either the filestore or the urlstore must be enabled to use nocopy, see: https://github.com/ipfs/kubo/blob/master/docs/experimental-features.md#ipfs-filestore")
+		return path.ImmutablePath{}, errors.New("either the filestore or the urlstore must be enabled to use nocopy, see: https://github.com/ipfs/kubo/blob/master/docs/experimental-features.md#ipfs-filestore")
 	}
 
 	addblockstore := api.blockstore

core/node/groups.go

@@ -260,7 +260,7 @@
 		ipnsCacheSize = DefaultIpnsCacheSize
 	}
 	if ipnsCacheSize < 0 {
-		return fx.Error(fmt.Errorf("cannot specify negative resolve cache size"))
+		return fx.Error(errors.New("cannot specify negative resolve cache size"))
 	}
 
 	// Republisher params

core/node/libp2p/rcmgr.go

@@ -3,6 +3,7 @@ package libp2p
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -26,7 +27,7 @@ var rcmgrLogger = logging.Logger("rcmgr")
 
 const NetLimitTraceFilename = "rcmgr.json.gz"
 
-var ErrNoResourceMgr = fmt.Errorf("missing ResourceMgr: make sure the daemon is running with Swarm.ResourceMgr.Enabled")
+var ErrNoResourceMgr = errors.New("missing ResourceMgr: make sure the daemon is running with Swarm.ResourceMgr.Enabled")
 
 func ResourceManager(repoPath string, cfg config.SwarmConfig, userResourceOverrides rcmgr.PartialLimitConfig) interface{} {
 	return func(mctx helpers.MetricsCtx, lc fx.Lifecycle, repo repo.Repo) (network.ResourceManager, Libp2pOpts, error) {

core/node/libp2p/smux.go

@@ -1,7 +1,7 @@
 package libp2p
 
 import (
-	"fmt"
+	"errors"
 	"os"
 
 	"github.com/ipfs/kubo/config"
@@ -12,10 +12,10 @@
 
 func makeSmuxTransportOption(tptConfig config.Transports) (libp2p.Option, error) {
 	if prefs := os.Getenv("LIBP2P_MUX_PREFS"); prefs != "" {
-		return nil, fmt.Errorf("configuring muxers with LIBP2P_MUX_PREFS is no longer supported, use Swarm.Transports.Multiplexers")
+		return nil, errors.New("configuring muxers with LIBP2P_MUX_PREFS is no longer supported, use Swarm.Transports.Multiplexers")
 	}
 	if tptConfig.Multiplexers.Yamux < 0 {
-		return nil, fmt.Errorf("running libp2p with Swarm.Transports.Multiplexers.Yamux disabled is not supported")
+		return nil, errors.New("running libp2p with Swarm.Transports.Multiplexers.Yamux disabled is not supported")
 	}
 
 	return libp2p.Muxer(yamux.ID, yamux.DefaultTransport), nil