1 files changed, 23 insertions, 0 deletions
diff --git a/t/no-dupes.t b/t/no-dupes.t
new file mode 100755
index 0000000..5f2b6a6
--- /dev/null
+++ b/t/no-dupes.t
@@ -0,0 +1,23 @@
+#!/bin/sh
+# Looks for keys that are duplicated in a keyring
+set -e
+
+find_dupes () {
+	k=$1
+	for key in $(gpg --no-options --no-auto-check-trustdb \
+			--no-default-keyring --keyring "./output/keyrings/$k" \
+			--list-keys --with-colons | grep '^pub' \
+			| cut -d: -f 5 | sort | uniq -c | sort -n \
+			| grep -v '      1 ' | sed -e 's/^ .* //'); do
+		echo -e "$k:\t0x$key is duplicated"
+		fail=1
+	done
+}
+
+fail=0
+for keyring in debian-keyring.gpg debian-maintainers.gpg \
+		debian-nonupload.gpg; do
+	find_dupes $keyring
+done
+
+exit $fail