community/retroarch to 1.7.8-2

community/retroarch/PKGBUILD

@@ -7,7 +7,7 @@
 
 pkgname=retroarch
 pkgver=1.7.8
-pkgrel=1
+pkgrel=2
 pkgdesc='Reference frontend for the libretro API'
 arch=(x86_64)
 url=http://www.libretro.com/
@@ -59,7 +59,7 @@ optdepends=(
 )
 backup=(etc/retroarch.cfg)
 source=(
-  git+https://github.com/libretro/RetroArch.git#tag=v${pkgver}
+  git+https://github.com/libretro/RetroArch.git#tag=37515372787c3fbd295a25e8a89b85383faab2b6
   retroarch-config.patch
 )
 sha256sums=(
@@ -67,6 +67,12 @@ sha256sums=(
   7857cff30c45721b66666828ca9edbb2923817c6c64591be3f58fe019277103e
 )
 
+pkgver() {
+  cd RetroArch
+
+  git describe --tags | sed 's/^v//'
+}
+
 prepare() {
   cd RetroArch