Added cd to active Xcode project to osx plugin

plugins/osx/README.md

@@ -24,6 +24,7 @@ Original author: [Sorin Ionescu](https://github.com/sorin-ionescu)
 | `pfd`           | Return the path of the frontmost Finder window   |
 | `pfs`           | Return the current Finder selection              |
 | `cdf`           | `cd` to the current Finder directory             |
+| `cdx`           | `cd` to the current Xcode project directory      |
 | `pushdf`        | `pushd` to the current Finder directory          |
 | `quick-look`    | Quick-Look a specified file                      |
 | `man-preview`   | Open a specified man page in Preview app         |

plugins/osx/osx.plugin.zsh

@@ -160,6 +160,15 @@ function pfs() {
 EOF
 }
 
+function xcodeprojdir() {
+  dirname $(osascript 2>/dev/null <<EOF
+    tell application "Xcode"
+      return path of active workspace document
+    end tell
+EOF
+) 2>/dev/null
+}
+
 function cdf() {
   cd "$(pfd)"
 }
@@ -168,6 +177,10 @@ function pushdf() {
   pushd "$(pfd)"
 }
 
+function cdx() {
+  cd "$(xcodeprojdir)"
+}
+
 function quick-look() {
   (( $# > 0 )) && qlmanage -p $* &>/dev/null &
 }