Use linker flags to set git commit in version command

Makefile

@@ -3,14 +3,16 @@ GOTOOLS =	github.com/mitchellh/gox \
 			github.com/rigelrozanski/shelldown/cmd/shelldown
 TUTORIALS=$(shell find docs/guide -name "*md" -type f)
 
+LINKER_FLAGS:="-X github.com/tendermint/basecoin/client/commands.CommitHash=`git rev-parse --short HEAD`"
+
 all: get_vendor_deps install test
 
 build:
 	@go build ./cmd/...
 
 install:
-	@go install ./cmd/...
-	@go install ./docs/guide/counter/cmd/...
+	@go install -ldflags $(LINKER_FLAGS) ./cmd/...
+	@go install -ldflags $(LINKER_FLAGS) ./docs/guide/counter/cmd/...
 
 dist:
 	@bash publish/dist.sh

client/commands/version.go

@@ -7,11 +7,14 @@ import (
 	"github.com/tendermint/basecoin/version"
 )
 
+// CommitHash should be filled by linker flags
+var CommitHash = ""
+
 // VersionCmd - command to show the application version
 var VersionCmd = &cobra.Command{
 	Use:   "version",
 	Short: "Show version info",
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println(version.Version)
+		fmt.Printf("v%s %s\n", version.Version, CommitHash)
 	},
 }

cmd/baseserver/main.go

@@ -74,11 +74,12 @@ func main() {
 
 	srvCli.AddCommand(
 		commands.InitCmd,
+		commands.VersionCmd,
 		serveCmd,
 	)
 
-	// TODO: Decide whether to use $HOME/.basecli for compatibility
-	// or just use $HOME/.baseserver?
+	// this should share the dir with basecli, so you can use the cli and
+	// the api interchangeably
 	cmd := cli.PrepareMainCmd(srvCli, "BC", os.ExpandEnv("$HOME/.basecli"))
 	if err := cmd.Execute(); err != nil {
 		log.Fatal(err)