Don't try to update no package

Check if there are packages to update for given architecure. Previously
db-update quit when only one arch of a package was available.

2 files changed, 12 insertions, 4 deletions

diff --git a/db-update b/db-update
index b11face..74abea8 100755
--- a/db-update
+++ b/db-update
@@ -60,10 +60,12 @@ for repo in ${repos[@]}; do
 			ln -s "../../../$(get_pkgpool_for_host)/${pkgfile}" "$FTP_BASE/$repo/os/${pkgarch}"
 			add_pkgs[${#add_pkgs[*]}]=${pkgfile}
 		done
-		pushd "$FTP_BASE/$repo/os/${pkgarch}" >/dev/null
-		/usr/bin/repo-add -q "$repo$DBEXT" ${add_pkgs[@]} >/dev/null \
-			|| die "Could not add packages"
-		popd >/dev/null
+		if [ ${#add_pkgs[@]} -ge 1 ]; then
+			pushd "$FTP_BASE/$repo/os/${pkgarch}" >/dev/null
+			/usr/bin/repo-add -q "$repo$DBEXT" ${add_pkgs[@]} >/dev/null \
+				|| die "Could not add packages"
+			popd >/dev/null
+		fi
 	done
 done
 
diff --git a/test/runTest b/test/runTest
index 95d8c6c..72f9b1c 100755
--- a/test/runTest
+++ b/test/runTest
@@ -42,6 +42,12 @@ testAddSimplePackages() {
 	done
 }
 
+testAddSingleSimplePackage() {
+	releasePackage extra 'pkg-simple-a' 'i686'
+	../db-update
+	checkPackage extra 'pkg-simple-a-1-1-i686.pkg.tar.xz' 'i686'
+}
+
 testAddAnyPackages() {
 	local pkgs=('pkg-any-a' 'pkg-any-b')
 	local pkgbase