Make command name more specific and consistent output formatting

README.md

@@ -74,12 +74,12 @@ Print the status of all migrations:
     $   Sun Jan  6 11:25:03 2013 -- 002_next.sql
     $   Pending                  -- 003_and_again.go
 
-## version
+## dbversion
 
 Print the current version of the database:
 
-    $ goose version
-    $ 002
+    $ goose dbversion
+    $ goose: dbversion 002
 
 
 `goose -h` provides more detailed info on each command.

cmd/goose/cmd_dbversion.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"bitbucket.org/liamstask/goose/lib/goose"
+	"fmt"
+	"log"
+)
+
+var dbVersionCmd = &Command{
+	Name:    "dbversion",
+	Usage:   "",
+	Summary: "Print the current version of the database",
+	Help:    `dbversion extended help here...`,
+	Run:     dbVersionRun,
+}
+
+func dbVersionRun(cmd *Command, args ...string) {
+	conf, err := dbConfFromFlags()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	current, err := goose.GetDBVersion(conf)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Printf("goose: dbversion %v\n", current)
+}

cmd/goose/cmd_version.go

@@ -1,29 +0,0 @@
-package main
-
-import (
-	"bitbucket.org/liamstask/goose/lib/goose"
-	"fmt"
-	"log"
-)
-
-var versionCmd = &Command{
-	Name:    "version",
-	Usage:   "",
-	Summary: "Retrieve the current version for the DB",
-	Help:    `version extended help here...`,
-	Run:     versionRun,
-}
-
-func versionRun(cmd *Command, args ...string) {
-	conf, err := dbConfFromFlags()
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	current, err := goose.GetDBVersion(conf)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	fmt.Printf("%v\n", current)
-}

cmd/goose/main.go

@@ -24,7 +24,7 @@ var commands = []*Command{
 	redoCmd,
 	statusCmd,
 	createCmd,
-	versionCmd,
+	dbVersionCmd,
 }
 
 func main() {