flags: improved option names

README.md

@@ -17,7 +17,7 @@ goose expects you to maintain a folder (typically called "db"), which contains t
 * a dbconf.yml file that describes the database configurations you'd like to use
 * a folder called "migrations" which contains .sql and/or .go scripts that implement your migrations
 
-You may use the `--db` option to specify an alternate location for the folder containing your config and migrations.
+You may use the `-path` option to specify an alternate location for the folder containing your config and migrations.
 
 
 # Migrations
@@ -65,7 +65,7 @@ A sample Go migration looks like:
 
 A transaction is provided, rather than the DB instance directly, since goose also needs to record the schema version within the same transaction. Each migration should run as a single transaction to ensure DB integrity, so it's good practice anyway.
 
-## Database Configurations
+## Database Environments
 
 A sample dbconf.yml looks like
 
@@ -73,6 +73,6 @@ A sample dbconf.yml looks like
     	driver: postgres
     	open: user=liam dbname=tester sslmode=disable
 
-Here, `development` specifies the name of the configuration, and the `driver` and `open` elements are passed directly to database/sql to access the specified database.
+Here, `development` specifies the name of the environment, and the `driver` and `open` elements are passed directly to database/sql to access the specified database.
 
-You may include as many configurations as you like, and you can use the `--config` command line option to specify which one to use. goose defaults to using a configuration called `development`.
+You may include as many configurations as you like, and you can use the `-env` command line option to specify which one to use. goose defaults to using a configuration called `development`.

dbconf.go

@@ -8,12 +8,12 @@ import (
 )
 
 // global options. available to any subcommands.
-var dbFolder = flag.String("db", "db", "folder containing db info")
-var dbConfName = flag.String("config", "development", "which DB configuration to use")
+var dbPath = flag.String("path", "db", "folder containing db info")
+var dbEnv = flag.String("env", "development", "which DB environment to use")
 
 type DBConf struct {
 	MigrationsDir string
-	Name          string
+	Env           string
 	Driver        string
 	OpenStr       string
 }
@@ -21,26 +21,26 @@ type DBConf struct {
 // extract configuration details from the given file
 func MakeDBConf() (*DBConf, error) {
 
-	cfgFile := path.Join(*dbFolder, "dbconf.yml")
+	cfgFile := path.Join(*dbPath, "dbconf.yml")
 
 	f, err := yaml.ReadFile(cfgFile)
 	if err != nil {
 		return nil, err
 	}
 
-	drv, derr := f.Get(fmt.Sprintf("%s.driver", *dbConfName))
+	drv, derr := f.Get(fmt.Sprintf("%s.driver", *dbEnv))
 	if derr != nil {
 		return nil, derr
 	}
 
-	open, oerr := f.Get(fmt.Sprintf("%s.open", *dbConfName))
+	open, oerr := f.Get(fmt.Sprintf("%s.open", *dbEnv))
 	if oerr != nil {
 		return nil, oerr
 	}
 
 	return &DBConf{
-		MigrationsDir: path.Join(*dbFolder, "migrations"),
-		Name:          *dbConfName,
+		MigrationsDir: path.Join(*dbPath, "migrations"),
+		Env:           *dbEnv,
 		Driver:        drv,
 		OpenStr:       open,
 	}, nil

migrate.go

@@ -55,8 +55,8 @@ func runMigrations(conf *DBConf, migrationsDir string, target int) {
 		return
 	}
 
-	fmt.Printf("goose: migrating db configuration '%v', current version: %d, target: %d\n",
-		conf.Name, current, target)
+	fmt.Printf("goose: migrating db environment '%v', current version: %d, target: %d\n",
+		conf.Env, current, target)
 
 	for _, v := range mm.Versions {