Add automatic package version to vim-lightline-git

vim-lightline-git.patch

diff --git a/PKGBUILD b/PKGBUILD
index e640bbc..028ca2b 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -3,7 +3,7 @@
 # Contributor: 
 
 pkgname=vim-lightline-git
-pkgver=latest
+pkgver=r626.3afa010
 pkgrel=1
 pkgdesc='A light and configurable statusline/tabline for Vim'
 arch=('any')
@@ -15,6 +15,11 @@ install='vimdoc.install'
 source=("git://github.com/itchyny/lightline.vim.git")
 md5sums=('SKIP')
 
+pkgver() {
+  cd "lightline.vim"
+  printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short=7 HEAD)"
+}
+
 package() {
   cd "lightline.vim"