Import pgproto3

Also copy in pgmock as an internal package.

pgproto3/LICENSE

@@ -1,22 +0,0 @@
-Copyright (c) 2019 Jack Christensen
-
-MIT License
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

pgproto3/README.md

@@ -1,6 +1,3 @@
-[![](https://godoc.org/github.com/jackc/pgproto3?status.svg)](https://godoc.org/github.com/jackc/pgproto3)
-[![Build Status](https://travis-ci.org/jackc/pgproto3.svg)](https://travis-ci.org/jackc/pgproto3)
-
 # pgproto3
 
 Package pgproto3 is a encoder and decoder of the PostgreSQL wire protocol version 3.
@@ -8,5 +5,3 @@ Package pgproto3 is a encoder and decoder of the PostgreSQL wire protocol versio
 pgproto3 can be used as a foundation for PostgreSQL drivers, proxies, mock servers, load balancers and more.
 
 See example/pgfortune for a playful example of a fake PostgreSQL server.
-
-Extracted from original implementation in https://github.com/jackc/pgx.

pgproto3/backend_test.go

@@ -5,7 +5,7 @@ import (
 	"testing"
 
 	"github.com/jackc/pgio"
-	"github.com/jackc/pgproto3/v2"
+	"github.com/jackc/pgx/v5/pgproto3"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

pgproto3/example/pgfortune/server.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"net"
 
-	"github.com/jackc/pgproto3/v2"
+	"github.com/jackc/pgx/v5/pgproto3"
 )
 
 type PgFortuneBackend struct {

pgproto3/frontend_test.go

@@ -4,7 +4,7 @@ import (
 	"io"
 	"testing"
 
-	"github.com/jackc/pgproto3/v2"
+	"github.com/jackc/pgx/v5/pgproto3"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

pgproto3/go.mod

@@ -1,9 +0,0 @@
-module github.com/jackc/pgproto3/v2
-
-go 1.12
-
-require (
-	github.com/jackc/chunkreader/v2 v2.0.0
-	github.com/jackc/pgio v1.0.0
-	github.com/stretchr/testify v1.4.0
-)

pgproto3/go.sum

@@ -1,14 +0,0 @@
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/jackc/chunkreader/v2 v2.0.0 h1:DUwgMQuuPnS0rhMXenUtZpqZqrR/30NWY+qQvTpSvEs=
-github.com/jackc/chunkreader/v2 v2.0.0/go.mod h1:odVSm741yZoC3dpHEUXIqA9tQRhFrgOHwnPIn9lDKlk=
-github.com/jackc/pgio v1.0.0 h1:g12B9UwVnzGhueNavwioyEEpAmqMe1E/BN9ES+8ovkE=
-github.com/jackc/pgio v1.0.0/go.mod h1:oP+2QK2wFfUWgr+gxjoBH9KGBb31Eio69xUb0w5bYf8=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=