PKGBUILD for custom branch for xbmc-git (AUR)

--- a/PKGBUILD   2014-02-03 08:39:07.000000000 -0700
+++ b/PKGBUILD   2014-03-16 10:14:05.133267456 -0600
@@ -11,7 +11,8 @@

 pkgname=xbmc-git
 _gitname='xbmc'
 pkgver=20140202.65ad3ae
+_gitbranch='Gotham_beta2'
 pkgrel=1
 pkgdesc="XBMC Media Center git master branch"
 provides=('xbmc')
@@ -51,6 +52,7 @@

 pkgver() {
        cd "$srcdir/$_gitname"
+        git checkout "$_gitbranch"
        # suggested by marzoul
        git log -1 --date=short --format="%cd.%h" | tr -d '-'
 }