fix experimental version and release script

add api version experimental

Signed-off-by: Jessica Frazelle <princess@docker.com>

api/client/version.go

@@ -9,6 +9,7 @@ import (
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/autogen/dockerversion"
 	flag "github.com/docker/docker/pkg/mflag"
+	"github.com/docker/docker/utils"
 )
 
 // CmdVersion shows Docker version information.
@@ -31,6 +32,9 @@ func (cli *DockerCli) CmdVersion(args ...string) error {
 		fmt.Fprintf(cli.out, "Git commit (client): %s\n", dockerversion.GITCOMMIT)
 	}
 	fmt.Fprintf(cli.out, "OS/Arch (client): %s/%s\n", runtime.GOOS, runtime.GOARCH)
+	if utils.ExperimentalBuild() {
+		fmt.Fprintf(cli.out, "Experimental (client): true\n")
+	}
 
 	stream, _, err := cli.call("GET", "/version", nil, nil)
 	if err != nil {
@@ -50,6 +54,8 @@ func (cli *DockerCli) CmdVersion(args ...string) error {
 	fmt.Fprintf(cli.out, "Go version (server): %s\n", v.GoVersion)
 	fmt.Fprintf(cli.out, "Git commit (server): %s\n", v.GitCommit)
 	fmt.Fprintf(cli.out, "OS/Arch (server): %s/%s\n", v.Os, v.Arch)
-
+	if v.Experimental {
+		fmt.Fprintf(cli.out, "Experimental (server): true\n")
+	}
 	return nil
 }

api/server/server.go

@@ -246,12 +246,13 @@ func (s *Server) postAuth(version version.Version, w http.ResponseWriter, r *htt
 
 func (s *Server) getVersion(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
 	v := &types.Version{
-		Version:    dockerversion.VERSION,
-		ApiVersion: api.APIVERSION,
-		GitCommit:  dockerversion.GITCOMMIT,
-		GoVersion:  runtime.Version(),
-		Os:         runtime.GOOS,
-		Arch:       runtime.GOARCH,
+		Version:      dockerversion.VERSION,
+		ApiVersion:   api.APIVERSION,
+		GitCommit:    dockerversion.GITCOMMIT,
+		GoVersion:    runtime.Version(),
+		Os:           runtime.GOOS,
+		Arch:         runtime.GOARCH,
+		Experimental: utils.ExperimentalBuild(),
 	}
 	if kernelVersion, err := kernel.GetKernelVersion(); err == nil {
 		v.KernelVersion = kernelVersion.String()

api/types/types.go

@@ -132,6 +132,7 @@ type Version struct {
 	Os            string
 	Arch          string
 	KernelVersion string `json:",omitempty"`
+	Experimental  bool
 }
 
 // GET "/info"

docker/docker.go

@@ -16,6 +16,7 @@ import (
 	flag "github.com/docker/docker/pkg/mflag"
 	"github.com/docker/docker/pkg/reexec"
 	"github.com/docker/docker/pkg/term"
+	"github.com/docker/docker/utils"
 )
 
 const (
@@ -161,5 +162,9 @@ func main() {
 }
 
 func showVersion() {
-	fmt.Printf("Docker version %s, build %s\n", dockerversion.VERSION, dockerversion.GITCOMMIT)
+	if utils.ExperimentalBuild() {
+		fmt.Printf("Docker version %s, build %s, experimental\n", dockerversion.VERSION, dockerversion.GITCOMMIT)
+	} else {
+		fmt.Printf("Docker version %s, build %s\n", dockerversion.VERSION, dockerversion.GITCOMMIT)
+	}
 }

docs/sources/reference/api/docker_remote_api_v1.20.md

@@ -1687,7 +1687,8 @@ Show the docker version information
          "GoVersion": "go1.4.1",
          "GitCommit": "a8a31ef",
          "Arch": "amd64",
-         "ApiVersion": "1.19"
+         "ApiVersion": "1.20",
+         "Experimental": false
     }
 
 Status Codes:

hack/make.sh

@@ -96,7 +96,6 @@ fi
 if [ "$DOCKER_EXPERIMENTAL" ]; then
 	echo >&2 '# WARNING! DOCKER_EXPERIMENTAL is set: building experimental features'
 	echo >&2
-	VERSION+="-experimental"
 	DOCKER_BUILDTAGS+=" experimental"
 fi
 

integration-cli/docker_cli_experimental_test.go

@@ -17,8 +17,13 @@ func (s *DockerSuite) TestExperimentalVersion(c *check.C) {
 	}
 
 	for _, line := range strings.Split(out, "\n") {
-		if strings.HasPrefix(line, "Client version:") || strings.HasPrefix(line, "Server version:") {
-			c.Assert(line, check.Matches, "*-experimental")
+		if strings.HasPrefix(line, "Experimental (client):") || strings.HasPrefix(line, "Experimental (server):") {
+			c.Assert(line, check.Matches, "*true")
 		}
 	}
+
+	versionCmd = exec.Command(dockerBinary, "-v")
+	if out, _, err = runCommandWithOutput(versionCmd); err != nil || !strings.Contains(out, ", experimental") {
+		c.Fatalf("docker version did not contain experimental: %s, %v", out, err)
+	}
 }