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-rwxr-xr-xtest/lint/check-doc.py2
-rwxr-xr-xtest/lint/check-rpc-mappings.py4
-rwxr-xr-xtest/lint/commit-script-check.sh1
-rwxr-xr-xtest/lint/git-subtree-check.sh1
-rwxr-xr-xtest/lint/lint-all.sh6
-rwxr-xr-xtest/lint/lint-filenames.sh24
-rwxr-xr-xtest/lint/lint-include-guards.sh3
-rwxr-xr-xtest/lint/lint-includes.sh91
-rwxr-xr-xtest/lint/lint-locale-dependence.sh230
-rwxr-xr-xtest/lint/lint-logs.sh4
-rwxr-xr-xtest/lint/lint-python-shebang.sh4
-rwxr-xr-xtest/lint/lint-python-utf8-encoding.sh20
-rwxr-xr-xtest/lint/lint-python.sh2
-rwxr-xr-xtest/lint/lint-shell-locale.sh24
-rwxr-xr-xtest/lint/lint-shell.sh6
-rwxr-xr-xtest/lint/lint-tests.sh3
-rwxr-xr-xtest/lint/lint-whitespace.sh3
17 files changed, 415 insertions, 13 deletions
diff --git a/test/lint/check-doc.py b/test/lint/check-doc.py
index de5719eb29..89776b2a6b 100755
--- a/test/lint/check-doc.py
+++ b/test/lint/check-doc.py
@@ -22,7 +22,7 @@ CMD_ROOT_DIR = '`git rev-parse --show-toplevel`/{}'.format(FOLDER_GREP)
CMD_GREP_ARGS = r"git grep --perl-regexp '{}' -- {} ':(exclude){}'".format(REGEX_ARG, CMD_ROOT_DIR, FOLDER_TEST)
CMD_GREP_DOCS = r"git grep --perl-regexp '{}' {}".format(REGEX_DOC, CMD_ROOT_DIR)
# list unsupported, deprecated and duplicate args as they need no documentation
-SET_DOC_OPTIONAL = set(['-rpcssl', '-benchmark', '-h', '-help', '-socks', '-tor', '-debugnet', '-whitelistalwaysrelay', '-prematurewitness', '-walletprematurewitness', '-promiscuousmempoolflags', '-blockminsize', '-dbcrashratio', '-forcecompactdb', '-usehd'])
+SET_DOC_OPTIONAL = set(['-rpcssl', '-benchmark', '-h', '-help', '-socks', '-tor', '-debugnet', '-whitelistalwaysrelay', '-promiscuousmempoolflags', '-blockminsize', '-dbcrashratio', '-forcecompactdb', '-usehd'])
def main():
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/commit-script-check.sh b/test/lint/commit-script-check.sh
index 1c9dbc7f68..f1327469f3 100755
--- a/test/lint/commit-script-check.sh
+++ b/test/lint/commit-script-check.sh
@@ -11,6 +11,7 @@
# The resulting script should exactly transform the previous commit into the current
# one. Any remaining diff signals an error.
+export LC_ALL=C
if test "x$1" = "x"; then
echo "Usage: $0 <commit>..."
exit 1
diff --git a/test/lint/git-subtree-check.sh b/test/lint/git-subtree-check.sh
index 184951715e..85e8b841b6 100755
--- a/test/lint/git-subtree-check.sh
+++ b/test/lint/git-subtree-check.sh
@@ -3,6 +3,7 @@
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+export LC_ALL=C
DIR="$1"
COMMIT="$2"
if [ -z "$COMMIT" ]; then
diff --git a/test/lint/lint-all.sh b/test/lint/lint-all.sh
index b6d86959c6..7c4f96cb3b 100755
--- a/test/lint/lint-all.sh
+++ b/test/lint/lint-all.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
#
# Copyright (c) 2017 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
@@ -7,6 +7,10 @@
# This script runs all contrib/devtools/lint-*.sh files, and fails if any exit
# with a non-zero status code.
+# This script is intentionally locale dependent by not setting "export LC_ALL=C"
+# in order to allow for the executed lint scripts to opt in or opt out of locale
+# dependence themselves.
+
set -u
SCRIPTDIR=$(dirname "${BASH_SOURCE[0]}")
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 ${EXIT_CODE}
diff --git a/test/lint/lint-include-guards.sh b/test/lint/lint-include-guards.sh
index 6a0dd556bb..464969794b 100755
--- a/test/lint/lint-include-guards.sh
+++ b/test/lint/lint-include-guards.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
#
# Copyright (c) 2018 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
@@ -6,6 +6,7 @@
#
# Check include guards.
+export LC_ALL=C
HEADER_ID_PREFIX="BITCOIN_"
HEADER_ID_SUFFIX="_H"
diff --git a/test/lint/lint-includes.sh b/test/lint/lint-includes.sh
index f54be46b52..40d28ed3e0 100755
--- a/test/lint/lint-includes.sh
+++ b/test/lint/lint-includes.sh
@@ -1,16 +1,22 @@
-#!/bin/bash
+#!/usr/bin/env bash
#
# Copyright (c) 2018 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
#
# Check for duplicate includes.
+# Guard against accidental introduction of new Boost dependencies.
+# Check includes: Check for duplicate includes. Enforce bracket syntax includes.
+
+export LC_ALL=C
+IGNORE_REGEXP="/(leveldb|secp256k1|univalue)/"
filter_suffix() {
- git ls-files | grep -E "^src/.*\.${1}"'$' | grep -Ev "/(leveldb|secp256k1|univalue)/"
+ git ls-files | grep -E "^src/.*\.${1}"'$' | grep -Ev "${IGNORE_REGEXP}"
}
EXIT_CODE=0
+
for HEADER_FILE in $(filter_suffix h); do
DUPLICATE_INCLUDES_IN_HEADER_FILE=$(grep -E "^#include " < "${HEADER_FILE}" | sort | uniq -d)
if [[ ${DUPLICATE_INCLUDES_IN_HEADER_FILE} != "" ]]; then
@@ -20,6 +26,7 @@ for HEADER_FILE in $(filter_suffix h); do
EXIT_CODE=1
fi
done
+
for CPP_FILE in $(filter_suffix cpp); do
DUPLICATE_INCLUDES_IN_CPP_FILE=$(grep -E "^#include " < "${CPP_FILE}" | sort | uniq -d)
if [[ ${DUPLICATE_INCLUDES_IN_CPP_FILE} != "" ]]; then
@@ -29,4 +36,84 @@ for CPP_FILE in $(filter_suffix cpp); do
EXIT_CODE=1
fi
done
+
+INCLUDED_CPP_FILES=$(git grep -E "^#include [<\"][^>\"]+\.cpp[>\"]" -- "*.cpp" "*.h")
+if [[ ${INCLUDED_CPP_FILES} != "" ]]; then
+ echo "The following files #include .cpp files:"
+ echo "${INCLUDED_CPP_FILES}"
+ echo
+ EXIT_CODE=1
+fi
+
+EXPECTED_BOOST_INCLUDES=(
+ boost/algorithm/string.hpp
+ boost/algorithm/string/case_conv.hpp
+ boost/algorithm/string/classification.hpp
+ boost/algorithm/string/join.hpp
+ boost/algorithm/string/predicate.hpp
+ boost/algorithm/string/replace.hpp
+ boost/algorithm/string/split.hpp
+ boost/bind.hpp
+ boost/chrono/chrono.hpp
+ boost/date_time/posix_time/posix_time.hpp
+ boost/filesystem.hpp
+ boost/filesystem/detail/utf8_codecvt_facet.hpp
+ boost/filesystem/fstream.hpp
+ boost/interprocess/sync/file_lock.hpp
+ boost/multi_index/hashed_index.hpp
+ boost/multi_index/ordered_index.hpp
+ boost/multi_index/sequenced_index.hpp
+ boost/multi_index_container.hpp
+ boost/optional.hpp
+ boost/preprocessor/cat.hpp
+ boost/preprocessor/stringize.hpp
+ boost/program_options/detail/config_file.hpp
+ boost/scoped_array.hpp
+ boost/signals2/connection.hpp
+ boost/signals2/last_value.hpp
+ boost/signals2/signal.hpp
+ boost/test/unit_test.hpp
+ boost/thread.hpp
+ boost/thread/condition_variable.hpp
+ boost/thread/mutex.hpp
+ boost/thread/thread.hpp
+ boost/variant.hpp
+ boost/variant/apply_visitor.hpp
+ boost/variant/static_visitor.hpp
+)
+
+for BOOST_INCLUDE in $(git grep '^#include <boost/' -- "*.cpp" "*.h" | cut -f2 -d: | cut -f2 -d'<' | cut -f1 -d'>' | sort -u); do
+ IS_EXPECTED_INCLUDE=0
+ for EXPECTED_BOOST_INCLUDE in "${EXPECTED_BOOST_INCLUDES[@]}"; do
+ if [[ "${BOOST_INCLUDE}" == "${EXPECTED_BOOST_INCLUDE}" ]]; then
+ IS_EXPECTED_INCLUDE=1
+ break
+ fi
+ done
+ if [[ ${IS_EXPECTED_INCLUDE} == 0 ]]; then
+ EXIT_CODE=1
+ echo "A new Boost dependency in the form of \"${BOOST_INCLUDE}\" appears to have been introduced:"
+ git grep "${BOOST_INCLUDE}" -- "*.cpp" "*.h"
+ echo
+ fi
+done
+
+for EXPECTED_BOOST_INCLUDE in "${EXPECTED_BOOST_INCLUDES[@]}"; do
+ if ! git grep -q "^#include <${EXPECTED_BOOST_INCLUDE}>" -- "*.cpp" "*.h"; then
+ echo "Good job! The Boost dependency \"${EXPECTED_BOOST_INCLUDE}\" is no longer used."
+ echo "Please remove it from EXPECTED_BOOST_INCLUDES in $0"
+ echo "to make sure this dependency is not accidentally reintroduced."
+ echo
+ EXIT_CODE=1
+ fi
+done
+
+QUOTE_SYNTAX_INCLUDES=$(git grep '^#include "' -- "*.cpp" "*.h" | grep -Ev "${IGNORE_REGEXP}")
+if [[ ${QUOTE_SYNTAX_INCLUDES} != "" ]]; then
+ echo "Please use bracket syntax includes (\"#include <foo.h>\") instead of quote syntax includes:"
+ echo "${QUOTE_SYNTAX_INCLUDES}"
+ echo
+ EXIT_CODE=1
+fi
+
exit ${EXIT_CODE}
diff --git a/test/lint/lint-locale-dependence.sh b/test/lint/lint-locale-dependence.sh
new file mode 100755
index 0000000000..cbe1143bd0
--- /dev/null
+++ b/test/lint/lint-locale-dependence.sh
@@ -0,0 +1,230 @@
+#!/usr/bin/env bash
+
+export LC_ALL=C
+KNOWN_VIOLATIONS=(
+ "src/base58.cpp:.*isspace"
+ "src/bitcoin-tx.cpp.*stoul"
+ "src/bitcoin-tx.cpp.*trim_right"
+ "src/bitcoin-tx.cpp:.*atoi"
+ "src/core_read.cpp.*is_digit"
+ "src/dbwrapper.cpp.*stoul"
+ "src/dbwrapper.cpp:.*vsnprintf"
+ "src/httprpc.cpp.*trim"
+ "src/init.cpp:.*atoi"
+ "src/netbase.cpp.*to_lower"
+ "src/qt/rpcconsole.cpp:.*atoi"
+ "src/qt/rpcconsole.cpp:.*isdigit"
+ "src/rest.cpp:.*strtol"
+ "src/rpc/server.cpp.*to_upper"
+ "src/test/dbwrapper_tests.cpp:.*snprintf"
+ "src/test/getarg_tests.cpp.*split"
+ "src/torcontrol.cpp:.*atoi"
+ "src/torcontrol.cpp:.*strtol"
+ "src/uint256.cpp:.*isspace"
+ "src/uint256.cpp:.*tolower"
+ "src/util.cpp:.*atoi"
+ "src/util.cpp:.*fprintf"
+ "src/util.cpp:.*tolower"
+ "src/utilmoneystr.cpp:.*isdigit"
+ "src/utilmoneystr.cpp:.*isspace"
+ "src/utilstrencodings.cpp:.*atoi"
+ "src/utilstrencodings.cpp:.*isspace"
+ "src/utilstrencodings.cpp:.*strtol"
+ "src/utilstrencodings.cpp:.*strtoll"
+ "src/utilstrencodings.cpp:.*strtoul"
+ "src/utilstrencodings.cpp:.*strtoull"
+ "src/utilstrencodings.h:.*atoi"
+)
+
+REGEXP_IGNORE_EXTERNAL_DEPENDENCIES="^src/(crypto/ctaes/|leveldb/|secp256k1/|tinyformat.h|univalue/)"
+
+LOCALE_DEPENDENT_FUNCTIONS=(
+ alphasort # LC_COLLATE (via strcoll)
+ asctime # LC_TIME (directly)
+ asprintf # (via vasprintf)
+ atof # LC_NUMERIC (via strtod)
+ atoi # LC_NUMERIC (via strtol)
+ atol # LC_NUMERIC (via strtol)
+ atoll # (via strtoll)
+ atoq
+ btowc # LC_CTYPE (directly)
+ ctime # (via asctime or localtime)
+ dprintf # (via vdprintf)
+ fgetwc
+ fgetws
+ fold_case # boost::locale::fold_case
+ fprintf # (via vfprintf)
+ fputwc
+ fputws
+ fscanf # (via __vfscanf)
+ fwprintf # (via __vfwprintf)
+ getdate # via __getdate_r => isspace // __localtime_r
+ getwc
+ getwchar
+ is_digit # boost::algorithm::is_digit
+ is_space # boost::algorithm::is_space
+ isalnum # LC_CTYPE
+ isalpha # LC_CTYPE
+ isblank # LC_CTYPE
+ iscntrl # LC_CTYPE
+ isctype # LC_CTYPE
+ isdigit # LC_CTYPE
+ isgraph # LC_CTYPE
+ islower # LC_CTYPE
+ isprint # LC_CTYPE
+ ispunct # LC_CTYPE
+ isspace # LC_CTYPE
+ isupper # LC_CTYPE
+ iswalnum # LC_CTYPE
+ iswalpha # LC_CTYPE
+ iswblank # LC_CTYPE
+ iswcntrl # LC_CTYPE
+ iswctype # LC_CTYPE
+ iswdigit # LC_CTYPE
+ iswgraph # LC_CTYPE
+ iswlower # LC_CTYPE
+ iswprint # LC_CTYPE
+ iswpunct # LC_CTYPE
+ iswspace # LC_CTYPE
+ iswupper # LC_CTYPE
+ iswxdigit # LC_CTYPE
+ isxdigit # LC_CTYPE
+ localeconv # LC_NUMERIC + LC_MONETARY
+ mblen # LC_CTYPE
+ mbrlen
+ mbrtowc
+ mbsinit
+ mbsnrtowcs
+ mbsrtowcs
+ mbstowcs # LC_CTYPE
+ mbtowc # LC_CTYPE
+ mktime
+ normalize # boost::locale::normalize
+# printf # LC_NUMERIC
+ putwc
+ putwchar
+ scanf # LC_NUMERIC
+ setlocale
+ snprintf
+ sprintf
+ sscanf
+ stod
+ stof
+ stoi
+ stol
+ stold
+ stoll
+ stoul
+ stoull
+ strcasecmp
+ strcasestr
+ strcoll # LC_COLLATE
+# strerror
+ strfmon
+ strftime # LC_TIME
+ strncasecmp
+ strptime
+ strtod # LC_NUMERIC
+ strtof
+ strtoimax
+ strtol # LC_NUMERIC
+ strtold
+ strtoll
+ strtoq
+ strtoul # LC_NUMERIC
+ strtoull
+ strtoumax
+ strtouq
+ strxfrm # LC_COLLATE
+ swprintf
+ to_lower # boost::locale::to_lower
+ to_title # boost::locale::to_title
+ to_upper # boost::locale::to_upper
+ tolower # LC_CTYPE
+ toupper # LC_CTYPE
+ towctrans
+ towlower # LC_CTYPE
+ towupper # LC_CTYPE
+ trim # boost::algorithm::trim
+ trim_left # boost::algorithm::trim_left
+ trim_right # boost::algorithm::trim_right
+ ungetwc
+ vasprintf
+ vdprintf
+ versionsort
+ vfprintf
+ vfscanf
+ vfwprintf
+ vprintf
+ vscanf
+ vsnprintf
+ vsprintf
+ vsscanf
+ vswprintf
+ vwprintf
+ wcrtomb
+ wcscasecmp
+ wcscoll # LC_COLLATE
+ wcsftime # LC_TIME
+ wcsncasecmp
+ wcsnrtombs
+ wcsrtombs
+ wcstod # LC_NUMERIC
+ wcstof
+ wcstoimax
+ wcstol # LC_NUMERIC
+ wcstold
+ wcstoll
+ wcstombs # LC_CTYPE
+ wcstoul # LC_NUMERIC
+ wcstoull
+ wcstoumax
+ wcswidth
+ wcsxfrm # LC_COLLATE
+ wctob
+ wctomb # LC_CTYPE
+ wctrans
+ wctype
+ wcwidth
+ wprintf
+)
+
+function join_array {
+ local IFS="$1"
+ shift
+ echo "$*"
+}
+
+REGEXP_IGNORE_KNOWN_VIOLATIONS=$(join_array "|" "${KNOWN_VIOLATIONS[@]}")
+
+# Invoke "git grep" only once in order to minimize run-time
+REGEXP_LOCALE_DEPENDENT_FUNCTIONS=$(join_array "|" "${LOCALE_DEPENDENT_FUNCTIONS[@]}")
+GIT_GREP_OUTPUT=$(git grep -E "[^a-zA-Z0-9_\`'\"<>](${REGEXP_LOCALE_DEPENDENT_FUNCTIONS}(|_r|_s))[^a-zA-Z0-9_\`'\"<>]" -- "*.cpp" "*.h")
+
+EXIT_CODE=0
+for LOCALE_DEPENDENT_FUNCTION in "${LOCALE_DEPENDENT_FUNCTIONS[@]}"; do
+ MATCHES=$(grep -E "[^a-zA-Z0-9_\`'\"<>]${LOCALE_DEPENDENT_FUNCTION}(|_r|_s)[^a-zA-Z0-9_\`'\"<>]" <<< "${GIT_GREP_OUTPUT}" | \
+ grep -vE "\.(c|cpp|h):\s*(//|\*|/\*|\").*${LOCALE_DEPENDENT_FUNCTION}" | \
+ grep -vE 'fprintf\(.*(stdout|stderr)')
+ if [[ ${REGEXP_IGNORE_EXTERNAL_DEPENDENCIES} != "" ]]; then
+ MATCHES=$(grep -vE "${REGEXP_IGNORE_EXTERNAL_DEPENDENCIES}" <<< "${MATCHES}")
+ fi
+ if [[ ${REGEXP_IGNORE_KNOWN_VIOLATIONS} != "" ]]; then
+ MATCHES=$(grep -vE "${REGEXP_IGNORE_KNOWN_VIOLATIONS}" <<< "${MATCHES}")
+ fi
+ if [[ ${MATCHES} != "" ]]; then
+ echo "The locale dependent function ${LOCALE_DEPENDENT_FUNCTION}(...) appears to be used:"
+ echo "${MATCHES}"
+ echo
+ EXIT_CODE=1
+ fi
+done
+if [[ ${EXIT_CODE} != 0 ]]; then
+ echo "Unnecessary locale dependence can cause bugs that are very"
+ echo "tricky to isolate and fix. Please avoid using locale dependent"
+ echo "functions if possible."
+ echo
+ echo "Advice not applicable in this specific case? Add an exception"
+ echo "by updating the ignore list in $0"
+fi
+exit ${EXIT_CODE}
diff --git a/test/lint/lint-logs.sh b/test/lint/lint-logs.sh
index 35be13ec19..1afd4cfc1a 100755
--- a/test/lint/lint-logs.sh
+++ b/test/lint/lint-logs.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
#
# Copyright (c) 2018 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
@@ -12,7 +12,7 @@
# There are some instances of LogPrintf() in comments. Those can be
# ignored
-
+export LC_ALL=C
UNTERMINATED_LOGS=$(git grep --extended-regexp "LogPrintf?\(" -- "*.cpp" | \
grep -v '\\n"' | \
grep -v "/\* Continued \*/" | \
diff --git a/test/lint/lint-python-shebang.sh b/test/lint/lint-python-shebang.sh
index f5c5971c03..4ff87f0bf7 100755
--- a/test/lint/lint-python-shebang.sh
+++ b/test/lint/lint-python-shebang.sh
@@ -1,5 +1,7 @@
-#!/bin/bash
+#!/usr/bin/env bash
# Shebang must use python3 (not python or python2)
+
+export LC_ALL=C
EXIT_CODE=0
for PYTHON_FILE in $(git ls-files -- "*.py"); do
if [[ $(head -c 2 "${PYTHON_FILE}") == "#!" &&
diff --git a/test/lint/lint-python-utf8-encoding.sh b/test/lint/lint-python-utf8-encoding.sh
new file mode 100755
index 0000000000..14183a5ccf
--- /dev/null
+++ b/test/lint/lint-python-utf8-encoding.sh
@@ -0,0 +1,20 @@
+#!/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 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.
+
+export LC_ALL=C
+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}
diff --git a/test/lint/lint-python.sh b/test/lint/lint-python.sh
index 7d3555b6d4..d9d46d86d5 100755
--- a/test/lint/lint-python.sh
+++ b/test/lint/lint-python.sh
@@ -6,6 +6,8 @@
#
# Check for specified flake8 warnings in python files.
+export LC_ALL=C
+
# E101 indentation contains mixed spaces and tabs
# E112 expected an indented block
# E113 unexpected indentation
diff --git a/test/lint/lint-shell-locale.sh b/test/lint/lint-shell-locale.sh
new file mode 100755
index 0000000000..242b27c763
--- /dev/null
+++ b/test/lint/lint-shell-locale.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 all shell scripts:
+# a.) explicitly opt out of locale dependence using "export LC_ALL=C", or
+# b.) explicitly opt in to locale dependence using the annotation below.
+
+export LC_ALL=C
+
+EXIT_CODE=0
+for SHELL_SCRIPT in $(git ls-files -- "*.sh" | grep -vE "src/(secp256k1|univalue)/"); do
+ if grep -q "# This script is intentionally locale dependent by not setting \"export LC_ALL=C\"" "${SHELL_SCRIPT}"; then
+ continue
+ fi
+ FIRST_NON_COMMENT_LINE=$(grep -vE '^(#.*|)$' "${SHELL_SCRIPT}" | head -1)
+ if [[ ${FIRST_NON_COMMENT_LINE} != "export LC_ALL=C" ]]; then
+ echo "Missing \"export LC_ALL=C\" (to avoid locale dependence) as first non-comment non-empty line in ${SHELL_SCRIPT}"
+ EXIT_CODE=1
+ fi
+done
+exit ${EXIT_CODE}
diff --git a/test/lint/lint-shell.sh b/test/lint/lint-shell.sh
index 5f5fa9a925..e2ccdb5165 100755
--- a/test/lint/lint-shell.sh
+++ b/test/lint/lint-shell.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
#
# Copyright (c) 2018 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
@@ -6,6 +6,10 @@
#
# Check for shellcheck warnings in shell scripts.
+# This script is intentionally locale dependent by not setting "export LC_ALL=C"
+# to allow running certain versions of shellcheck that core dump when LC_ALL=C
+# is set.
+
# Disabled warnings:
# SC2001: See if you can use ${variable//search/replace} instead.
# SC2004: $/${} is unnecessary on arithmetic variables.
diff --git a/test/lint/lint-tests.sh b/test/lint/lint-tests.sh
index ffc0660551..35d11023eb 100755
--- a/test/lint/lint-tests.sh
+++ b/test/lint/lint-tests.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
#
# Copyright (c) 2018 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
@@ -6,6 +6,7 @@
#
# Check the test suite naming conventions
+export LC_ALL=C
EXIT_CODE=0
NAMING_INCONSISTENCIES=$(git grep -E '^BOOST_FIXTURE_TEST_SUITE\(' -- \
diff --git a/test/lint/lint-whitespace.sh b/test/lint/lint-whitespace.sh
index c5d43043d5..beb7ec42f4 100755
--- a/test/lint/lint-whitespace.sh
+++ b/test/lint/lint-whitespace.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
#
# Copyright (c) 2017 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
@@ -8,6 +8,7 @@
# We can't run this check unless we know the commit range for the PR.
+export LC_ALL=C
while getopts "?" opt; do
case $opt in
?)