build: drop support for go1.8

.travis.yml

@@ -49,9 +49,6 @@ matrix:
   allow_failures:
     - go: tip
   include:
-    - go: 1.8.x
-      script:
-        - make quicktest
     - go: 1.9.x
       script:
         - make quicktest

backend/azureblob/azureblob.go

@@ -1,6 +1,6 @@
 // Package azureblob provides an interface to the Microsoft Azure blob object storage system
 
-// +build !plan9,!solaris,go1.8
+// +build !plan9,!solaris
 
 package azureblob
 

backend/azureblob/azureblob_internal_test.go

@@ -1,4 +1,4 @@
-// +build !plan9,!solaris,go1.8
+// +build !plan9,!solaris
 
 package azureblob
 

backend/azureblob/azureblob_test.go

@@ -1,6 +1,6 @@
 // Test AzureBlob filesystem interface
 
-// +build !plan9,!solaris,go1.8
+// +build !plan9,!solaris
 
 package azureblob
 

backend/azureblob/azureblob_unsupported.go

@@ -1,6 +1,6 @@
 // Build for azureblob for unsupported platforms to stop go complaining
 // about "no buildable Go source files "
 
-// +build plan9 solaris !go1.8
+// +build plan9 solaris
 
 package azureblob

backend/drive/drive.go

@@ -1,7 +1,4 @@
 // Package drive interfaces with the Google Drive object storage system
-
-// +build go1.9
-
 package drive
 
 // FIXME need to deal with some corner cases

backend/drive/drive_internal_test.go

@@ -1,5 +1,3 @@
-// +build go1.9
-
 package drive
 
 import (

backend/drive/drive_test.go

@@ -1,7 +1,5 @@
 // Test Drive filesystem interface
 
-// +build go1.9
-
 package drive
 
 import (

backend/drive/drive_unsupported.go

@@ -1,6 +0,0 @@
-// Build for unsupported platforms to stop go complaining
-// about "no buildable Go source files "
-
-// +build !go1.9
-
-package drive

backend/drive/upload.go

@@ -8,8 +8,6 @@
 //
 // This contains code adapted from google.golang.org/api (C) the GO AUTHORS
 
-// +build go1.9
-
 package drive
 
 import (

backend/googlecloudstorage/googlecloudstorage.go

@@ -1,7 +1,4 @@
 // Package googlecloudstorage provides an interface to Google Cloud Storage
-
-// +build go1.9
-
 package googlecloudstorage
 
 /*

backend/googlecloudstorage/googlecloudstorage_test.go

@@ -1,7 +1,5 @@
 // Test GoogleCloudStorage filesystem interface
 
-// +build go1.9
-
 package googlecloudstorage_test
 
 import (

backend/googlecloudstorage/googlecloudstorage_unsupported.go

@@ -1,6 +0,0 @@
-// Build for unsupported platforms to stop go complaining
-// about "no buildable Go source files "
-
-// +build !go1.9
-
-package googlecloudstorage

backend/http/http_internal_test.go

@@ -1,5 +1,3 @@
-// +build go1.8
-
 package http
 
 import (

backend/sftp/sftp.go

@@ -1,6 +1,6 @@
 // Package sftp provides a filesystem interface using github.com/pkg/sftp
 
-// +build !plan9,go1.9
+// +build !plan9
 
 package sftp
 

backend/sftp/sftp_internal_test.go

@@ -1,4 +1,4 @@
-// +build !plan9,go1.9
+// +build !plan9
 
 package sftp
 

backend/sftp/sftp_test.go

@@ -1,6 +1,6 @@
 // Test Sftp filesystem interface
 
-// +build !plan9,go1.9
+// +build !plan9
 
 package sftp_test
 

backend/sftp/sftp_unsupported.go

@@ -1,6 +1,6 @@
 // Build for sftp for unsupported platforms to stop go complaining
 // about "no buildable Go source files "
 
-// +build plan9 !go1.9
+// +build plan9
 
 package sftp

backend/sftp/stringlock.go

@@ -1,4 +1,4 @@
-// +build !plan9,go1.9
+// +build !plan9
 
 package sftp
 

backend/sftp/stringlock_test.go

@@ -1,4 +1,4 @@
-// +build !plan9,go1.9
+// +build !plan9
 
 package sftp
 

cmd/serve/dlna/dlna_test.go

@@ -1,5 +1,3 @@
-// +build go1.8
-
 package dlna
 
 import (

cmd/serve/http/http_test.go

@@ -1,5 +1,3 @@
-// +build go1.8
-
 package http
 
 import (

cmd/serve/httplib/http_new.go

@@ -1,21 +0,0 @@
-// HTTP parts go1.8+
-
-//+build go1.8
-
-package httplib
-
-import (
-	"net/http"
-	"time"
-)
-
-// Initialise the http.Server for post go1.8
-func initServer(s *http.Server) {
-	s.ReadHeaderTimeout = 10 * time.Second // time to send the headers
-	s.IdleTimeout = 60 * time.Second       // time to keep idle connections open
-}
-
-// closeServer closes the server in a non graceful way
-func closeServer(s *http.Server) error {
-	return s.Close()
-}

cmd/serve/httplib/http_old.go

@@ -1,18 +0,0 @@
-// HTTP parts pre go1.8
-
-//+build !go1.8
-
-package httplib
-
-import (
-	"net/http"
-)
-
-// Initialise the http.Server for pre go1.8
-func initServer(s *http.Server) {
-}
-
-// closeServer closes the server in a non graceful way
-func closeServer(s *http.Server) error {
-	return nil
-}

cmd/serve/httplib/httplib.go

@@ -180,17 +180,17 @@ func NewServer(handler http.Handler, opt *Options) *Server {
 
 	// FIXME make a transport?
 	s.httpServer = &http.Server{
-		Addr:           s.Opt.ListenAddr,
-		Handler:        handler,
-		ReadTimeout:    s.Opt.ServerReadTimeout,
-		WriteTimeout:   s.Opt.ServerWriteTimeout,
-		MaxHeaderBytes: s.Opt.MaxHeaderBytes,
+		Addr:              s.Opt.ListenAddr,
+		Handler:           handler,
+		ReadTimeout:       s.Opt.ServerReadTimeout,
+		WriteTimeout:      s.Opt.ServerWriteTimeout,
+		MaxHeaderBytes:    s.Opt.MaxHeaderBytes,
+		ReadHeaderTimeout: 10 * time.Second, // time to send the headers
+		IdleTimeout:       60 * time.Second, // time to keep idle connections open
 		TLSConfig: &tls.Config{
 			MinVersion: tls.VersionTLS10, // disable SSL v3.0 and earlier
 		},
 	}
-	// go version specific initialisation
-	initServer(s.httpServer)
 
 	if s.Opt.ClientCA != "" {
 		if !s.useSSL {
@@ -267,7 +267,7 @@ func (s *Server) Wait() {
 
 // Close shuts the running server down
 func (s *Server) Close() {
-	err := closeServer(s.httpServer)
+	err := s.httpServer.Close()
 	if err != nil {
 		log.Printf("Error on closing HTTP server: %v", err)
 		return

fs/rc/rcserver/rcserver_test.go

@@ -1,5 +1,3 @@
-// +build go1.8
-
 package rcserver
 
 import (

fs/versioncheck.go

@@ -1,7 +1,7 @@
-//+build !go1.8
+//+build !go1.9
 
 package fs
 
-// Upgrade to Go version 1.8 to compile rclone - latest stable go
+// Upgrade to Go version 1.9 to compile rclone - latest stable go
 // compiler recommended.
-func init() { Go_version_1_8_required_for_compilation() }
+func init() { Go_version_1_9_required_for_compilation() }

fstest/fstests/bits.go

@@ -1,33 +0,0 @@
-//+build !go1.9
-
-package fstests
-
-func leadingZeros64(x uint64) int {
-	var n uint64 = 64
-
-	if y := x >> 32; y != 0 {
-		n = n - 32
-		x = y
-	}
-	if y := x >> 16; y != 0 {
-		n = n - 16
-		x = y
-	}
-	if y := x >> 8; y != 0 {
-		n = n - 8
-		x = y
-	}
-	if y := x >> 4; y != 0 {
-		n = n - 4
-		x = y
-	}
-	if y := x >> 2; y != 0 {
-		n = n - 2
-		x = y
-	}
-	if y := x >> 1; y != 0 {
-		return int(n - 2)
-	}
-
-	return int(n - x)
-}

fstest/fstests/bits_go1_9.go

@@ -1,11 +0,0 @@
-//+build go1.9
-
-package fstests
-
-import (
-	"math/bits"
-)
-
-func leadingZeros64(x uint64) int {
-	return bits.LeadingZeros64(x)
-}

fstest/fstests/fstests.go

@@ -11,6 +11,7 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
+	"math/bits"
 	"os"
 	"path"
 	"path/filepath"
@@ -72,7 +73,7 @@ type SetUploadCutoffer interface {
 // NextPowerOfTwo returns the current or next bigger power of two.
 // All values less or equal 0 will return 0
 func NextPowerOfTwo(i fs.SizeSuffix) fs.SizeSuffix {
-	return 1 << uint(64-leadingZeros64(uint64(i)-1))
+	return 1 << uint(64-bits.LeadingZeros64(uint64(i)-1))
 }
 
 // NextMultipleOf returns a function that can be used as a CeilChunkSize function.

lib/oauthutil/oauthutil.go

@@ -590,3 +590,15 @@ func (s *authServer) Start() {
 	err = s.server.Serve(s.listener)
 	fs.Debugf(nil, "Closed auth server with error: %v", err)
 }
+
+func (s *authServer) Stop() {
+	fs.Debugf(nil, "Closing auth server")
+	if s.code != nil {
+		close(s.code)
+		s.code = nil
+	}
+	_ = s.listener.Close()
+
+	// close the server
+	_ = s.server.Close()
+}

lib/oauthutil/oauthutil_new.go

@@ -1,19 +0,0 @@
-// oauthutil parts go1.8+
-
-//+build go1.8
-
-package oauthutil
-
-import "github.com/ncw/rclone/fs"
-
-func (s *authServer) Stop() {
-	fs.Debugf(nil, "Closing auth server")
-	if s.code != nil {
-		close(s.code)
-		s.code = nil
-	}
-	_ = s.listener.Close()
-
-	// close the server
-	_ = s.server.Close()
-}

lib/oauthutil/oauthutil_old.go

@@ -1,16 +0,0 @@
-// oauthutil parts pre go1.8+
-
-//+build !go1.8
-
-package oauthutil
-
-import "github.com/ncw/rclone/fs"
-
-func (s *authServer) Stop() {
-	fs.Debugf(nil, "Closing auth server")
-	if s.code != nil {
-		close(s.code)
-		s.code = nil
-	}
-	_ = s.listener.Close()
-}

vfs/errors.go

@@ -24,11 +24,11 @@ const (
 
 // Errors which have exact counterparts in os
 var (
-	ENOENT = os.ErrNotExist
-	EEXIST = os.ErrExist
-	EPERM  = os.ErrPermission
-	EINVAL = os.ErrInvalid
-	// ECLOSED see errors_{old,new}.go
+	ENOENT  = os.ErrNotExist
+	EEXIST  = os.ErrExist
+	EPERM   = os.ErrPermission
+	EINVAL  = os.ErrInvalid
+	ECLOSED = os.ErrClosed
 )
 
 var errorNames = []string{

vfs/errors_new.go

@@ -1,10 +0,0 @@
-// Errors for go1.8+
-
-//+build go1.8
-
-package vfs
-
-import "os"
-
-// ECLOSED is returned when a handle is closed twice
-var ECLOSED = os.ErrClosed

vfs/errors_old.go

@@ -1,10 +0,0 @@
-// Errors for pre go1.8
-
-//+build !go1.8
-
-package vfs
-
-import "errors"
-
-// ECLOSED is returned when a handle is closed twice
-var ECLOSED = errors.New("file already closed")