diff --git a/obs-service-set_version.changes b/obs-service-set_version.changes
index 4302866..89eb7ac 100644
--- a/obs-service-set_version.changes
+++ b/obs-service-set_version.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Apr 16 09:30:01 UTC 2013 - adrian@suse.de
+
+- add support for PKGBUILD aka Arch Linux files
+
 -------------------------------------------------------------------
 Tue Jun 26 15:01:27 UTC 2012 - saschpe@suse.de
 
diff --git a/set_version b/set_version
index d090c6f..453e4b9 100644
--- a/set_version
+++ b/set_version
@@ -93,6 +93,16 @@ write_files () {
       rm -f "$FILE"
     fi
   done
+
+  if [ -e PKGBUILD ]; then
+    FILE=`ls -1 _service:*[-_]${MYVERSION}* | head -n 1`
+    [ -z "$FILE" ] && FILE=`ls -1 *[-_]${MYVERSION}* | head -n 1`
+    MD5=`md5sum "$FILE" | head -n 1 | cut -d\  -f 1`
+
+    sed "0,/^pkgver=\(\s*\)[^%]*/s//pkgver=\1$MYVERSION/" PKGBUILD > "$MYOUTDIR/PKGBUILD" || exit 1
+    sed -r -i "s,^pkgrel=.*,pkgrel=0," "$MYOUTDIR/PKGBUILD" || exit 1
+    sed -r -i "s,^md5sums=.*,md5sums=('$MD5')," "$MYOUTDIR/PKGBUILD" || exit 1
+  fi
 }
 
 get_version_from_file