3 files changed, 42 insertions, 2 deletions
diff --git a/test/lint/check-rpc-mappings.py b/test/lint/check-rpc-mappings.py
index 7e96852c5c..c3cdeef580 100755
--- a/test/lint/check-rpc-mappings.py
+++ b/test/lint/check-rpc-mappings.py
@@ -44,7 +44,7 @@ def process_commands(fname):
     """Find and parse dispatch table in implementation file `fname`."""
     cmds = []
     in_rpcs = False
-    with open(fname, "r") as f:
+    with open(fname, "r", encoding="utf8") as f:
         for line in f:
             line = line.rstrip()
             if not in_rpcs:
@@ -70,7 +70,7 @@ def process_mapping(fname):
     """Find and parse conversion table in implementation file `fname`."""
     cmds = []
     in_rpcs = False
-    with open(fname, "r") as f:
+    with open(fname, "r", encoding="utf8") as f:
         for line in f:
             line = line.rstrip()
             if not in_rpcs:
diff --git a/test/lint/lint-filenames.sh b/test/lint/lint-filenames.sh
new file mode 100755
index 0000000000..61e978fe79
--- /dev/null
+++ b/test/lint/lint-filenames.sh
@@ -0,0 +1,21 @@
+#!/bin/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=$(git ls-files -- "*.cpp" "*.h" "*.py" "*.sh" | grep -vE '^[a-z0-9_./-]+$' | 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 ${EXIT_CODE}
diff --git a/test/lint/lint-python-utf8-encoding.sh b/test/lint/lint-python-utf8-encoding.sh
new file mode 100755
index 0000000000..ce973e710a
--- /dev/null
+++ b/test/lint/lint-python-utf8-encoding.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+#
+# Copyright (c) 2018 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#
+# Make sure we explicitly open all text files using UTF-8 (or ASCII) encoding to
+# avoid potential issues on the BSDs where the locale is not always set.
+
+EXIT_CODE=0
+OUTPUT=$(git grep " open(" -- "*.py" | grep -vE "encoding=.(ascii|utf8|utf-8)." | grep -vE "open\([^,]*, ['\"][^'\"]*b[^'\"]*['\"]")
+if [[ ${OUTPUT} != "" ]]; then
+    echo "Python's open(...) seems to be used to open text files without explicitly"
+    echo "specifying encoding=\"utf8\":"
+    echo
+    echo "${OUTPUT}"
+    EXIT_CODE=1
+fi
+exit ${EXIT_CODE}