diff --git a/build.sh b/build.sh
index 1a15fc8..e7a6183 100755
--- a/build.sh
+++ b/build.sh
@@ -4,7 +4,10 @@
 . .util.sh
 
 build() {
-
+  if grep -c 'git+' PKGBUILD >/dev/null && ! grep -c '#tag=' PKGBUILD >/dev/null; then
+    makepkg --noprepare --nodeps --nobuild --skippgpcheck --noconfirm
+    makepkg --printsrcinfo >.SRCINFO
+  fi
   name=$(grep -m1 'pkgname' .SRCINFO | cut -d'=' -f2 | tr -d ' ')
   ver=$(grep 'pkgver' .SRCINFO | cut -d'=' -f2 | tr -d ' ')
   rel=$(grep 'pkgrel' .SRCINFO | cut -d'=' -f2 | tr -d ' ')