Merge pull request #4961 from creack/update_version_pkg

Update Version to not use string anymore

api/common.go

@@ -3,13 +3,14 @@ package api
 import (
 	"fmt"
 	"github.com/dotcloud/docker/engine"
+	"github.com/dotcloud/docker/pkg/version"
 	"github.com/dotcloud/docker/utils"
 	"mime"
 	"strings"
 )
 
 const (
-	APIVERSION        = "1.10"
+	APIVERSION        version.Version = "1.10"
 	DEFAULTHTTPHOST                   = "127.0.0.1"
 	DEFAULTUNIXSOCKET                 = "/var/run/docker.sock"
 )

api/server/server.go

@@ -940,7 +940,7 @@ func makeHttpHandler(eng *engine.Engine, logging bool, localMethod string, local
 
 		if strings.Contains(r.Header.Get("User-Agent"), "Docker-Client/") {
 			userAgent := strings.Split(r.Header.Get("User-Agent"), "/")
-			if len(userAgent) == 2 && !dockerVersion.Equal(userAgent[1]) {
+			if len(userAgent) == 2 && !dockerVersion.Equal(version.Version(userAgent[1])) {
 				utils.Debugf("Warning: client and server don't have the same version (client: %s, server: %s)", userAgent[1], dockerVersion)
 			}
 		}

pkg/version/version.go

@@ -7,10 +7,10 @@ import (
 
 type Version string
 
-func (me Version) compareTo(other string) int {
+func (me Version) compareTo(other Version) int {
 	var (
 		meTab    = strings.Split(string(me), ".")
-		otherTab = strings.Split(other, ".")
+		otherTab = strings.Split(string(other), ".")
 	)
 	for i, s := range meTab {
 		var meInt, otherInt int
@@ -31,22 +31,22 @@ func (me Version) compareTo(other string) int {
 	return 0
 }
 
-func (me Version) LessThan(other string) bool {
+func (me Version) LessThan(other Version) bool {
 	return me.compareTo(other) == -1
 }
 
-func (me Version) LessThanOrEqualTo(other string) bool {
+func (me Version) LessThanOrEqualTo(other Version) bool {
 	return me.compareTo(other) <= 0
 }
 
-func (me Version) GreaterThan(other string) bool {
+func (me Version) GreaterThan(other Version) bool {
 	return me.compareTo(other) == 1
 }
 
-func (me Version) GreaterThanOrEqualTo(other string) bool {
+func (me Version) GreaterThanOrEqualTo(other Version) bool {
 	return me.compareTo(other) >= 0
 }
 
-func (me Version) Equal(other string) bool {
+func (me Version) Equal(other Version) bool {
 	return me.compareTo(other) == 0
 }

pkg/version/version_test.go

@@ -5,7 +5,7 @@ import (
 )
 
 func assertVersion(t *testing.T, a, b string, result int) {
-	if r := Version(a).compareTo(b); r != result {
+	if r := Version(a).compareTo(Version(b)); r != result {
 		t.Fatalf("Unexpected version comparison result. Found %d, expected %d", r, result)
 	}
 }