internal/registry: remove pkg/errors

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

internal/registry/auth.go

@@ -2,6 +2,7 @@ package registry
 
 import (
 	"context"
+	"fmt"
 	"net/http"
 	"net/url"
 	"strings"
@@ -12,7 +13,6 @@ import (
 	"github.com/docker/distribution/registry/client/auth/challenge"
 	"github.com/docker/distribution/registry/client/transport"
 	"github.com/moby/moby/api/types/registry"
-	"github.com/pkg/errors"
 )
 
 // AuthClientID is used the ClientID used for the token server
@@ -67,7 +67,7 @@ func loginV2(ctx context.Context, authConfig *registry.AuthConfig, endpoint APIE
 
 	if resp.StatusCode != http.StatusOK {
 		// TODO(dmcgowan): Attempt to further interpret result, status code and error code string
-		return "", errors.Errorf("login attempt to %s failed with status: %d %s", endpointStr, resp.StatusCode, http.StatusText(resp.StatusCode))
+		return "", fmt.Errorf("login attempt to %s failed with status: %d %s", endpointStr, resp.StatusCode, http.StatusText(resp.StatusCode))
 	}
 
 	return credentialAuthConfig.IdentityToken, nil

internal/registry/config.go

@@ -5,6 +5,7 @@ package registry
 
 import (
 	"context"
+	"fmt"
 	"net"
 	"net/url"
 	"os"
@@ -117,7 +118,7 @@ skip:
 				r = host
 			default:
 				// unsupported scheme
-				return nil, invalidParamf("insecure registry %s should not contain '://'", r)
+				return nil, invalidParam(fmt.Errorf("insecure registry %s should not contain '://'", r))
 			}
 		}
 		// Check if CIDR was passed to --insecure-registry
@@ -133,7 +134,7 @@ skip:
 			insecureRegistryCIDRs = append(insecureRegistryCIDRs, ipnet)
 		} else {
 			if err := validateHostPort(r); err != nil {
-				return nil, invalidParamWrapf(err, "insecure registry %s is not valid", r)
+				return nil, invalidParam(fmt.Errorf("insecure registry %s is not valid: %w", r, err))
 			}
 			// Assume `host:port` if not CIDR.
 			indexConfigs[r] = &registry.IndexInfo{

internal/registry/errors.go

@@ -1,10 +1,11 @@
 package registry
 
 import (
+	"errors"
+	"fmt"
 	"net/url"
 
 	"github.com/docker/distribution/registry/api/errcode"
-	"github.com/pkg/errors"
 )
 
 func translateV2AuthError(err error) error {
@@ -23,11 +24,7 @@ func invalidParam(err error) error {
 }
 
 func invalidParamf(format string, args ...interface{}) error {
-	return invalidParameterErr{errors.Errorf(format, args...)}
-}
-
-func invalidParamWrapf(err error, format string, args ...interface{}) error {
-	return invalidParameterErr{errors.Wrapf(err, format, args...)}
+	return invalidParameterErr{fmt.Errorf(format, args...)}
 }
 
 type unauthorizedErr struct{ error }

internal/registry/registry.go

@@ -4,6 +4,7 @@ package registry
 import (
 	"context"
 	"crypto/tls"
+	"fmt"
 	"net"
 	"net/http"
 	"os"
@@ -82,7 +83,7 @@ func loadTLSConfig(ctx context.Context, directory string, tlsConfig *tls.Config)
 			if tlsConfig.RootCAs == nil {
 				systemPool, err := tlsconfig.SystemCertPool()
 				if err != nil {
-					return invalidParamWrapf(err, "unable to get system cert pool")
+					return invalidParam(fmt.Errorf("unable to get system cert pool: %w", err))
 				}
 				tlsConfig.RootCAs = systemPool
 			}

internal/registry/service.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"crypto/tls"
 	"errors"
+	"fmt"
 	"net/url"
 	"strings"
 
@@ -41,7 +42,7 @@ func (s *Service) Auth(ctx context.Context, authConfig *registry.AuthConfig, use
 		}
 		u, err := url.Parse(serverAddress)
 		if err != nil {
-			return "", invalidParamWrapf(err, "unable to parse server address")
+			return "", invalidParam(fmt.Errorf("unable to parse server address: %w", err))
 		}
 		registryHostName = u.Host
 	}