diff --git a/build.sh b/build.sh
index 5fc0368..a20986b 100755
--- a/build.sh
+++ b/build.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash +x
 # shellcheck disable=SC3044,SC3009
 
 . .util.sh
@@ -22,7 +22,7 @@ build() {
     epoch=${epoch}:
   fi
 
-  if pacman -Si "${name}" | grep -v nyyu | grep -c -E '^Repository' &>/dev/null; then
+  if pacman -Si "${name}" || true | grep -v nyyu | grep -c -E '^Repository' &>/dev/null; then
     echo "WARN: Found ${name} in arch repo"
   fi
 
@@ -52,7 +52,7 @@ for d in */; do
     fi
 
     if ! grep -c 'pkgver()' PKGBUILD >/dev/null; then
-      repo=$(grep -oPm 1 'github\.com\/\K([a-z0-9]|-)+\/([a-z0-9]|-)+' .SRCINFO)
+      repo=$(grep -oPm 1 'github\.com\/\K(\w|-)+\/(\w|-)+' .SRCINFO)
       if [ -n "${repo}" ]; then
         update_github_tag "${repo}" && update_pkg
       fi