do not regenerate env/dev* files in use-figwheel command #13

- No need to change host for iOS it is always localhost
- For android simulators, update only the host in figwheel URL instead of overwriting whole file
- env/dev can be removed from .gitignore

re-natal.coffee

@@ -23,6 +23,7 @@ projNameHyphRx  = /\$PROJECT_NAME_HYPHENATED\$/g
 projNameUsRx    = /\$PROJECT_NAME_UNDERSCORED\$/g
 platformRx      = /\$PLATFORM\$/g
 devHostRx       = /\$DEV_HOST\$/g
+figwheelUrlRx   = /ws:\/\/[0-9a-zA-Z\.]*:/g
 rnVersion       = '0.18.1'
 rnPackagerPort  = 8081
 podMinVersion   = '0.38.2'
@@ -230,7 +231,7 @@ copyFigwheelBridge = (projNameUs) ->
   edit "figwheel-bridge.js", [[projNameUsRx, projNameUs]]
 
 updateGitIgnore = () ->
-  fs.appendFileSync(".gitignore", "\n# Generated by re-natal\n#\nenv/dev\nindex.android.js\nindex.ios.js")
+  fs.appendFileSync(".gitignore", "\n# Generated by re-natal\n#\nindex.android.js\nindex.ios.js")
   fs.appendFileSync(".gitignore", "\n# Figwheel\n#\nfigwheel_server.log")
 
 patchReactNativePackager = () ->
@@ -433,11 +434,15 @@ generateRequireModulesCode = (modules) ->
     jsCode += "modules['#{m}']=require('#{m}');";
   jsCode += '\n'
 
+updateFigwheelUrlForAndroid= (devHost) ->
+  mainAndroidDevPath = "env/dev/env/android/main.cljs"
+
+  edit mainAndroidDevPath, [[figwheelUrlRx, "ws://#{devHost}:"]]
+
 generateDevScripts = (devHost) ->
   try
     config = readConfig()
     projName = config.name
-    projNameHyph = projName.replace(camelRx, '$1-$2').toLowerCase()
 
     log 'Cleaning...'
     exec 'lein clean'
@@ -446,13 +451,15 @@ generateDevScripts = (devHost) ->
     modulesAndImages = config.modules.concat images;
     moduleMap = generateRequireModulesCode modulesAndImages
 
-    fs.writeFileSync 'index.ios.js', "#{moduleMap}require('figwheel-bridge').withModules(modules).start('#{projName}','ios','#{devHost}');"
+    fs.writeFileSync 'index.ios.js', "#{moduleMap}require('figwheel-bridge').withModules(modules).start('#{projName}','ios','localhost');"
     log 'index.ios.js was regenerated'
     fs.writeFileSync 'index.android.js', "#{moduleMap}require('figwheel-bridge').withModules(modules).start('#{projName}','android','#{devHost}');"
     log 'index.android.js was regenerated'
 
-    copyDevEnvironmentFiles(projNameHyph, projName, devHost)
-    log 'Dev server host: ' + devHost
+    updateFigwheelUrlForAndroid(devHost)
+    log 'Dev server host for iOS: localhost'
+    log 'Dev server host for Android: ' + devHost
+
   catch {message}
     logErr \
       if message.match /EACCES/i
@@ -483,6 +490,9 @@ doUpgrade = (config) ->
   writeConfig(config)
   log 'upgraded .re-natal'
 
+  edit '.gitignore', [[/^\s*env\/dev\s*$/m, ""]]
+  log 'upgraded .gitignore'
+
 useComponent = (name) ->
   log "Component '#{name}' is now configured for figwheel, please re-run 'use-figwheel' command to take effect"
   try