1 files changed, 24 insertions, 0 deletions
diff --git a/test/lint/lint-filenames.sh b/test/lint/lint-filenames.sh
new file mode 100755
index 0000000000..5391e43d91
--- /dev/null
+++ b/test/lint/lint-filenames.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+#
+# Copyright (c) 2018 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#
+# Make sure only lowercase alphanumerics (a-z0-9), underscores (_),
+# hyphens (-) and dots (.) are used in source code filenames.
+
+export LC_ALL=C
+
+EXIT_CODE=0
+OUTPUT=$(git ls-files --full-name -- "*.[cC][pP][pP]" "*.[hH]" "*.[pP][yY]" "*.[sS][hH]" | \
+    grep -vE '^[a-z0-9_./-]+$' | \
+    grep -vE '^src/(secp256k1|univalue)/')
+
+if [[ ${OUTPUT} != "" ]]; then
+    echo "Use only lowercase alphanumerics (a-z0-9), underscores (_), hyphens (-) and dots (.)"
+    echo "in source code filenames:"
+    echo
+    echo "${OUTPUT}"
+    EXIT_CODE=1
+fi
+exit ${EXIT_CODE}