fixed upgrade command to default the interface in .re-natal to 'reage…

…nt' if absent

re-natal.coffee

@@ -56,7 +56,8 @@ interfaceConf   =
     shims:     ["cljsjs.react", "cljsjs.react.dom"]
     sampleCommandNs: '(in-ns \'$PROJECT_NAME_HYPHENATED$.state)'
     sampleCommand: '(swap! app-state assoc :app/msg "Hello Native World!")'
-interfaceNames  = Object.keys interfaceConf
+interfaceNames   = Object.keys interfaceConf
+defaultInterface = 'reagent'
 
 log = (s, color = 'green') ->
   console.log chalk[color] s
@@ -157,7 +158,7 @@ writeConfig = (config) ->
         message
 
 verifyConfig = (config) ->
-  if !config.androidHost? || !config.modules? || !config.imageDirs?
+  if !config.androidHost? || !config.modules? || !config.imageDirs? || !config.interface?
     throw new Error 're-natal project needs to be upgraded, please run: re-natal upgrade'
   config
 
@@ -450,30 +451,34 @@ generateDevScripts = () ->
         message
 
 doUpgrade = (config) ->
-  interfaceName = config.interface;
   projName = config.name;
   projNameHyph = projName.replace(camelRx, '$1-$2').toLowerCase()
   projNameUs   = toUnderscored projName
 
-  copyDevEnvironmentFiles(interfaceName, projNameHyph, projName, "localhost")
-  copyProdEnvironmentFiles(interfaceName, projNameHyph, projName)
-  log 'upgraded files in env/'
-
-  copyFigwheelBridge(projNameUs)
-  log 'upgraded figwheel-bridge.js'
+  unless config.interface
+    config.interface = defaultInterface
 
-  if (!config.modules)
+  unless config.modules
     config.modules = []
 
-  if (!config.imageDirs)
+  unless config.imageDirs
     config.imageDirs = ["images"]
 
-  if (!config.androidHost)
+  unless config.androidHost
     config.androidHost = "localhost"
 
   writeConfig(config)
   log 'upgraded .re-natal'
 
+  interfaceName = config.interface;
+
+  copyDevEnvironmentFiles(interfaceName, projNameHyph, projName, "localhost")
+  copyProdEnvironmentFiles(interfaceName, projNameHyph, projName)
+  log 'upgraded files in env/'
+
+  copyFigwheelBridge(projNameUs)
+  log 'upgraded figwheel-bridge.js'
+
   edit "src/#{projNameUs}/ios/core.cljs", [[/\^:figwheel-load\s/g, ""]]
   edit "src/#{projNameUs}/android/core.cljs", [[/\^:figwheel-load\s/g, ""]]
   log 'upgraded core.cljs'
@@ -498,7 +503,7 @@ cli.version pkgJson.version
 
 cli.command 'init <name>'
   .description 'create a new ClojureScript React Native project'
-  .option "-i, --interface [#{interfaceNames.join ' '}]", 'specify React interface', 'reagent'
+  .option "-i, --interface [#{interfaceNames.join ' '}]", 'specify React interface', defaultInterface
   .action (name, cmd) ->
     if typeof name isnt 'string'
       logErr '''