$pkgver fix for PKGBUILD of AUR package, woeusb-git

diff --git a/PKGBUILD b/PKGBUILD
index 7b310a4..2374c61 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,9 @@
 # Maintainer: Salvador Pardiñas <darkfm@vera.com.uy>
+# Contributor: James An <james@jamesan.ca>
+
 pkgname=woeusb-git
-pkgver=r689.584e43c
-pkgrel=2
+pkgver=3.1.4.r13.gfc91ec1
+pkgrel=1
 pkgdesc="A Linux program to create Windows USB stick installer from a real Windows DVD or an image"
 arch=('x86_64')
 url="https://github.com/slacka/WoeUSB"
@@ -23,8 +25,10 @@ md5sums=('SKIP')

 pkgver() {
    cd "$srcdir/WoeUSB"
-# Git, no tags available
-   printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
+   ( set -o pipefail
+       git describe --long 2>/dev/null | sed 's/^v//;s/\([^-]*-g\)/r/;s/-/./g' ||
+       printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
+   )
 }

 prepare() {