2 files changed, 12 insertions, 5 deletions

diff --git a/.SRCINFO b/.SRCINFO
index eeca756455a8..e8511353eb3e 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,8 @@
+# Generated by mksrcinfo v8
+# Thu Dec 10 21:35:35 UTC 2015
 pkgbase = spacevecalg-git
 	pkgdesc = Implementation of spatial vector algebra with the Eigen 3 linear algebra library.
-	pkgver = 20150701
+	pkgver = r97.9d97669
 	pkgrel = 1
 	url = https://github.com/jorisv/SpaceVecAlg
 	arch = i686
diff --git a/PKGBUILD b/PKGBUILD
index 876337277ab5..f5abd266f063 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -2,10 +2,7 @@
 
 pkgname=spacevecalg-git
 _name=spacevecalg
-pkgver=20150701
-pkgver() {
-  date +%Y%m%d
-}
+pkgver=r97.9d97669
 pkgrel=1
 pkgdesc="Implementation of spatial vector algebra with the Eigen 3 linear algebra library."
 arch=('i686' 'x86_64')
@@ -17,6 +14,14 @@ provides=('spacevecalg')
 source=("${_name}::git+https://github.com/jorisv/SpaceVecAlg")
 md5sums=('SKIP')
 
+pkgver() {
+  cd "${srcdir}/${_name}"
+  ( set -o pipefail
+    git describe --long 2>/dev/null | sed 's/\([^-]*-g\)/r\1/;s/-/./g' ||
+    printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
+  )
+}
+
 build()
 {
   cd "${srcdir}/${_name}"