*: rename "github.com/pkg/errors" to "github.com/pingcap/errors" (pin…

…gcap#8136)

We import "github.com/pkg/errors" in the code, and actually put
the "github.com/pingcap/errors" there in the vendor path.
That's a dirty hack, and prevent the introduce of Go module.

Gopkg.toml

@@ -94,7 +94,7 @@ required = ["github.com/golang/protobuf/jsonpb"]
   name = "github.com/pingcap/tipb"
 
 [[constraint]]
-  name = "github.com/pkg/errors"
+  name = "github.com/pingcap/errors"
   version = "0.11.0"
   source = "https://github.com/pingcap/errors.git"
 

cmd/benchfilesort/main.go

@@ -24,13 +24,13 @@ import (
 	"runtime/pprof"
 	"time"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/terror"
 	"github.com/pingcap/tidb/sessionctx/stmtctx"
 	"github.com/pingcap/tidb/types"
 	"github.com/pingcap/tidb/util/codec"
 	"github.com/pingcap/tidb/util/filesort"
 	"github.com/pingcap/tidb/util/logutil"
-	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 )
 

cmd/benchkv/main.go

@@ -24,10 +24,10 @@ import (
 
 	_ "github.com/go-sql-driver/mysql"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/terror"
 	"github.com/pingcap/tidb/kv"
 	"github.com/pingcap/tidb/store/tikv"
-	"github.com/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus"
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/net/context"

cmd/benchraw/main.go

@@ -22,10 +22,10 @@ import (
 	"sync"
 	"time"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/terror"
 	"github.com/pingcap/tidb/config"
 	"github.com/pingcap/tidb/store/tikv"
-	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 )
 

cmd/explaintest/main.go

@@ -26,12 +26,12 @@ import (
 
 	"flag"
 	"github.com/go-sql-driver/mysql"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/tidb/session"
 	"github.com/pingcap/tidb/sessionctx"
 	"github.com/pingcap/tidb/util/logutil"
 	"github.com/pingcap/tidb/util/mock"
-	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 	"time"
 )

cmd/importer/config.go

@@ -18,7 +18,7 @@ import (
 	"fmt"
 
 	"github.com/BurntSushi/toml"
-	"github.com/pkg/errors"
+	"github.com/pingcap/errors"
 )
 
 // NewConfig creates a new config.

cmd/importer/db.go

@@ -21,8 +21,8 @@ import (
 	"strings"
 
 	_ "github.com/go-sql-driver/mysql"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/mysql"
-	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 )
 

cmd/importer/job.go

@@ -18,7 +18,7 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/pkg/errors"
+	"github.com/pingcap/errors"
 	log "github.com/sirupsen/logrus"
 )
 

cmd/importer/main.go

@@ -17,7 +17,7 @@ import (
 	"flag"
 	"os"
 
-	"github.com/pkg/errors"
+	"github.com/pingcap/errors"
 	log "github.com/sirupsen/logrus"
 )
 

cmd/importer/parser.go

@@ -18,14 +18,14 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/parser/model"
 	"github.com/pingcap/tidb/ddl"
 	_ "github.com/pingcap/tidb/planner/core"
 	"github.com/pingcap/tidb/types"
 	"github.com/pingcap/tidb/util/mock"
-	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 )
 

cmd/importer/stats.go

@@ -19,12 +19,12 @@ import (
 	"math/rand"
 	"time"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/model"
 	stats "github.com/pingcap/tidb/statistics"
 	"github.com/pingcap/tidb/types"
 	"github.com/pingcap/tidb/util/chunk"
 	"github.com/pingcap/tidb/util/codec"
-	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 )
 

config/config.go

@@ -20,8 +20,8 @@ import (
 	"time"
 
 	"github.com/BurntSushi/toml"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/tidb/util/logutil"
-	"github.com/pkg/errors"
 	tracing "github.com/uber/jaeger-client-go/config"
 )
 

ddl/column.go

@@ -16,6 +16,7 @@ package ddl
 import (
 	"fmt"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/parser/model"
 	"github.com/pingcap/parser/mysql"
@@ -24,7 +25,6 @@ import (
 	"github.com/pingcap/tidb/meta"
 	"github.com/pingcap/tidb/sessionctx"
 	"github.com/pingcap/tidb/util/sqlexec"
-	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 )
 

ddl/column_change_test.go

@@ -19,6 +19,7 @@ import (
 	"time"
 
 	. "github.com/pingcap/check"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/parser/model"
 	"github.com/pingcap/tidb/kv"
@@ -30,7 +31,6 @@ import (
 	"github.com/pingcap/tidb/util/mock"
 	"github.com/pingcap/tidb/util/testleak"
 	"github.com/pingcap/tidb/util/testutil"
-	"github.com/pkg/errors"
 	"golang.org/x/net/context"
 )
 

ddl/column_test.go

@@ -18,6 +18,7 @@ import (
 	"sync"
 
 	. "github.com/pingcap/check"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/parser/model"
@@ -30,7 +31,6 @@ import (
 	"github.com/pingcap/tidb/tablecodec"
 	"github.com/pingcap/tidb/types"
 	"github.com/pingcap/tidb/util/testleak"
-	"github.com/pkg/errors"
 	"golang.org/x/net/context"
 )
 

ddl/db_change_test.go

@@ -21,6 +21,7 @@ import (
 	"time"
 
 	. "github.com/pingcap/check"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/parser/model"
@@ -37,7 +38,6 @@ import (
 	"github.com/pingcap/tidb/util/sqlexec"
 	"github.com/pingcap/tidb/util/testkit"
 	"github.com/pingcap/tidb/util/testleak"
-	"github.com/pkg/errors"
 	"golang.org/x/net/context"
 )
 

ddl/db_integration_test.go

@@ -17,6 +17,7 @@ import (
 	"fmt"
 
 	. "github.com/pingcap/check"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/terror"
 	"github.com/pingcap/tidb/ddl"
 	"github.com/pingcap/tidb/domain"
@@ -30,7 +31,6 @@ import (
 	"github.com/pingcap/tidb/util/mock"
 	"github.com/pingcap/tidb/util/testkit"
 	"github.com/pingcap/tidb/util/testleak"
-	"github.com/pkg/errors"
 )
 
 var _ = Suite(&testIntegrationSuite{})

ddl/db_test.go

@@ -24,6 +24,7 @@ import (
 	"time"
 
 	. "github.com/pingcap/check"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/parser/model"
 	"github.com/pingcap/parser/mysql"
@@ -48,7 +49,6 @@ import (
 	"github.com/pingcap/tidb/util/testkit"
 	"github.com/pingcap/tidb/util/testleak"
 	"github.com/pingcap/tidb/util/testutil"
-	"github.com/pkg/errors"
 	"golang.org/x/net/context"
 )
 

ddl/ddl.go

@@ -24,6 +24,7 @@ import (
 
 	"github.com/coreos/etcd/clientv3"
 	"github.com/ngaut/pools"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/parser/model"
 	"github.com/pingcap/parser/mysql"
@@ -40,7 +41,6 @@ import (
 	"github.com/pingcap/tidb/sessionctx/variable"
 	"github.com/pingcap/tidb/table"
 	tidbutil "github.com/pingcap/tidb/util"
-	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 	"github.com/twinj/uuid"
 	"golang.org/x/net/context"

ddl/ddl_api.go

@@ -24,6 +24,7 @@ import (
 	"time"
 
 	"github.com/cznic/mathutil"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/parser/charset"
 	"github.com/pingcap/parser/model"
@@ -35,7 +36,6 @@ import (
 	"github.com/pingcap/tidb/sessionctx/variable"
 	"github.com/pingcap/tidb/table"
 	"github.com/pingcap/tidb/types"
-	"github.com/pkg/errors"
 )
 
 func (d *ddl) CreateSchema(ctx sessionctx.Context, schema model.CIStr, charsetInfo *ast.CharsetOpt) (err error) {

ddl/ddl_worker.go

@@ -20,14 +20,14 @@ import (
 	"time"
 
 	"github.com/ngaut/pools"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/model"
 	"github.com/pingcap/parser/terror"
 	"github.com/pingcap/tidb/kv"
 	"github.com/pingcap/tidb/meta"
 	"github.com/pingcap/tidb/metrics"
 	"github.com/pingcap/tidb/sessionctx"
 	"github.com/pingcap/tidb/sessionctx/binloginfo"
-	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/net/context"
 )

ddl/ddl_worker_test.go

@@ -18,6 +18,7 @@ import (
 	"time"
 
 	. "github.com/pingcap/check"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/parser/model"
 	"github.com/pingcap/parser/mysql"
@@ -29,7 +30,6 @@ import (
 	"github.com/pingcap/tidb/util/mock"
 	"github.com/pingcap/tidb/util/sqlexec"
 	"github.com/pingcap/tidb/util/testleak"
-	"github.com/pkg/errors"
 	"golang.org/x/net/context"
 )
 

ddl/delete_range.go

@@ -20,14 +20,14 @@ import (
 	"math"
 	"sync"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/model"
 	"github.com/pingcap/parser/terror"
 	"github.com/pingcap/tidb/ddl/util"
 	"github.com/pingcap/tidb/kv"
 	"github.com/pingcap/tidb/sessionctx"
 	"github.com/pingcap/tidb/tablecodec"
 	"github.com/pingcap/tidb/util/sqlexec"
-	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/net/context"
 )

ddl/foreign_key.go

@@ -14,10 +14,10 @@
 package ddl
 
 import (
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/model"
 	"github.com/pingcap/tidb/infoschema"
 	"github.com/pingcap/tidb/meta"
-	"github.com/pkg/errors"
 )
 
 func onCreateForeignKey(t *meta.Meta, job *model.Job) (ver int64, _ error) {

ddl/foreign_key_test.go

@@ -18,13 +18,13 @@ import (
 	"sync"
 
 	. "github.com/pingcap/check"
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/parser/model"
 	"github.com/pingcap/tidb/kv"
 	"github.com/pingcap/tidb/sessionctx"
 	"github.com/pingcap/tidb/table"
 	"github.com/pingcap/tidb/util/testleak"
-	"github.com/pkg/errors"
 	"golang.org/x/net/context"
 )
 

ddl/generated_column.go

@@ -14,9 +14,9 @@
 package ddl
 
 import (
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/tidb/table"
-	"github.com/pkg/errors"
 )
 
 // columnGenerationInDDL is a struct for validating generated columns in DDL.

ddl/index.go

@@ -19,6 +19,7 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/ast"
 	"github.com/pingcap/parser/model"
 	"github.com/pingcap/parser/mysql"
@@ -37,7 +38,6 @@ import (
 	"github.com/pingcap/tidb/util"
 	"github.com/pingcap/tidb/util/rowDecoder"
 	"github.com/pingcap/tidb/util/timeutil"
-	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 )