From b57d7d92fe00ff44383e3d01ac15721dd75bde37 Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Fri, 31 Aug 2018 00:51:43 +0200
Subject: [PATCH] macOS fix: Avoid mapfile due to ancient version of bash
 shipped with macOS

---
 test/lint/lint-format-strings.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/lint/lint-format-strings.sh b/test/lint/lint-format-strings.sh
index 17f846d29..2c443abf6 100755
--- a/test/lint/lint-format-strings.sh
+++ b/test/lint/lint-format-strings.sh
@@ -33,7 +33,9 @@ if ! python3 -m doctest test/lint/lint-format-strings.py; then
 fi
 for S in "${FUNCTION_NAMES_AND_NUMBER_OF_LEADING_ARGUMENTS[@]}"; do
     IFS="," read -r FUNCTION_NAME SKIP_ARGUMENTS <<< "${S}"
-    mapfile -t MATCHING_FILES < <(git grep --full-name -l "${FUNCTION_NAME}" -- "*.c" "*.cpp" "*.h" | sort | grep -vE "^src/(leveldb|secp256k1|tinyformat|univalue)")
+    for MATCHING_FILE in $(git grep --full-name -l "${FUNCTION_NAME}" -- "*.c" "*.cpp" "*.h" | sort | grep -vE "^src/(leveldb|secp256k1|tinyformat|univalue)"); do
+        MATCHING_FILES+=("${MATCHING_FILE}")
+    done
     if ! test/lint/lint-format-strings.py --skip-arguments "${SKIP_ARGUMENTS}" "${FUNCTION_NAME}" "${MATCHING_FILES[@]}"; then
         EXIT_CODE=1
     fi