bin/copy-to-build-support: exit normally on no-matches

1 files changed, 8 insertions, 0 deletions

diff --git a/bin/copy-to-build-support b/bin/copy-to-build-support
index 8625d21..8388675 100755
--- a/bin/copy-to-build-support
+++ b/bin/copy-to-build-support
@@ -144,6 +144,14 @@ sed -n '
       "${tmp_dir}/mysql-command"
   done
 
+if [ ! -s "${tmp_dir}/repo-archs" ]; then
+  >&2 echo 'Nothing to do.'
+  if [ -w "$1" ]; then
+    printf '' > "$1"
+  fi
+  exit 0
+fi
+
 sort -u "${tmp_dir}/repo-archs" | \
   sponge "${tmp_dir}/repo-archs"