Makes sure version is always displayed consistently.

command/agent/command.go

@@ -37,9 +37,7 @@ var validDatacenter = regexp.MustCompile("^[a-zA-Z0-9_-]+$")
 // ShutdownCh. If two messages are sent on the ShutdownCh it will forcibly
 // exit.
 type Command struct {
-	Revision          string
 	Version       string
-	VersionPrerelease string
 	Ui            cli.Ui
 	ShutdownCh    <-chan struct{}
 	args          []string
@@ -310,11 +308,6 @@ func (c *Command) readConfig() *Config {
 		c.Ui.Error("WARNING: Bootstrap mode enabled! Do not enable unless necessary")
 	}
 
-	// Set the version info
-	config.Revision = c.Revision
-	config.Version = c.Version
-	config.VersionPrerelease = c.VersionPrerelease
-
 	return config
 }
 
@@ -406,19 +399,7 @@ func (c *Command) setupLoggers(config *Config) (*GatedWriter, *logWriter, io.Wri
 
 // setupAgent is used to start the agent and various interfaces
 func (c *Command) setupAgent(config *Config, logOutput io.Writer, logWriter *logWriter) error {
-	var version string
-
-	version = "v" + config.Version
-
-	if len(config.VersionPrerelease) != 0 {
-		version += " " + config.VersionPrerelease
-
-		if len(config.Revision) != 0 {
-			version += " " + config.Revision
-		}
-	}
-
-	c.Ui.Output("Starting Consul agent (" + version + ")...")
+	c.Ui.Output("Starting Consul agent...")
 	agent, err := Create(config, logOutput)
 	if err != nil {
 		c.Ui.Error(fmt.Sprintf("Error starting agent: %s", err))
@@ -533,12 +514,7 @@ func (c *Command) checkpointResults(results *checkpoint.CheckResponse, err error
 		return
 	}
 	if results.Outdated {
-		versionStr := c.Version
-		if c.VersionPrerelease != "" {
-			versionStr += fmt.Sprintf("-%s", c.VersionPrerelease)
-		}
-
-		c.Ui.Error(fmt.Sprintf("Newer Consul version available: %s (currently running: %s)", results.CurrentVersion, versionStr))
+		c.Ui.Error(fmt.Sprintf("Newer Consul version available: %s (currently running: %s)", results.CurrentVersion, c.Version))
 	}
 	for _, alert := range results.Alerts {
 		switch alert.Level {
@@ -836,6 +812,7 @@ func (c *Command) Run(args []string) int {
 	c.agent.StartSync()
 
 	c.Ui.Output("Consul agent running!")
+	c.Ui.Info(fmt.Sprintf("       Version: '%s'", c.Version))
 	c.Ui.Info(fmt.Sprintf("     Node name: '%s'", config.NodeName))
 	c.Ui.Info(fmt.Sprintf("    Datacenter: '%s'", config.Datacenter))
 	c.Ui.Info(fmt.Sprintf("        Server: %v (bootstrap: %v)", config.Server, config.Bootstrap))

command/version.go

@@ -1,7 +1,6 @@
 package command
 
 import (
-	"bytes"
 	"fmt"
 	"github.com/hashicorp/consul/consul"
 	"github.com/mitchellh/cli"
@@ -9,9 +8,7 @@ import (
 
 // VersionCommand is a Command implementation prints the version.
 type VersionCommand struct {
-	Revision          string
 	Version string
-	VersionPrerelease string
 	Ui      cli.Ui
 }
 
@@ -20,19 +17,9 @@ func (c *VersionCommand) Help() string {
 }
 
 func (c *VersionCommand) Run(_ []string) int {
-	var versionString bytes.Buffer
-	fmt.Fprintf(&versionString, "Consul %s", c.Version)
-	if c.VersionPrerelease != "" {
-		fmt.Fprintf(&versionString, ".%s", c.VersionPrerelease)
-
-		if c.Revision != "" {
-			fmt.Fprintf(&versionString, " (%s)", c.Revision)
-		}
-	}
-
-	c.Ui.Output(versionString.String())
-	c.Ui.Output(fmt.Sprintf("Consul Protocol: %d (Understands back to: %d)",
-		consul.ProtocolVersionMax, consul.ProtocolVersionMin))
+	c.Ui.Output(fmt.Sprintf("Consul Version: %s", c.Version))
+	c.Ui.Output(fmt.Sprintf("Supported Protocol Version(s): %d to %d",
+		consul.ProtocolVersionMin, consul.ProtocolVersionMax))
 	return 0
 }
 

commands.go

@@ -19,9 +19,7 @@ func init() {
 	Commands = map[string]cli.CommandFactory{
 		"agent": func() (cli.Command, error) {
 			return &agent.Command{
-				Revision:          GitCommit,
-				Version:           Version,
-				VersionPrerelease: VersionPrerelease,
+				Version:    GetVersion(),
 				Ui:         ui,
 				ShutdownCh: make(chan struct{}),
 			}, nil
@@ -121,19 +119,8 @@ func init() {
 		},
 
 		"version": func() (cli.Command, error) {
-			ver := Version
-			rel := VersionPrerelease
-			if GitDescribe != "" {
-				ver = GitDescribe
-			}
-			if GitDescribe == "" && rel == "" {
-				rel = "dev"
-			}
-
 			return &command.VersionCommand{
-				Revision:          GitCommit,
-				Version:           ver,
-				VersionPrerelease: rel,
+				Version: GetVersion(),
 				Ui:      ui,
 			}, nil
 		},

version.go

@@ -1,5 +1,10 @@
 package main
 
+import (
+	"fmt"
+	"strings"
+)
+
 // The git commit that was compiled. This will be filled in by the compiler.
 var (
 	GitCommit   string
@@ -13,3 +18,27 @@ const Version = "0.7.0"
 // then it means that it is a final release. Otherwise, this is a pre-release
 // such as "dev" (in development), "beta", "rc1", etc.
 const VersionPrerelease = "dev"
+
+// GetVersion returns the full version of Consul.
+func GetVersion() string {
+	version := Version
+	if GitDescribe != "" {
+		version = GitDescribe
+	}
+
+	release := VersionPrerelease
+	if GitDescribe == "" && release == "" {
+		release = "dev"
+	}
+
+	fullVersion := fmt.Sprintf("%s", version)
+	if release != "" {
+		fullVersion += fmt.Sprintf("-%s", release)
+		if GitCommit != "" {
+			fullVersion += fmt.Sprintf(" (%s)", GitCommit)
+		}
+	}
+
+	// Strip off any single quotes added by the git information.
+	return strings.Replace(fullVersion, "'", "", -1)
+}