ci: Move wrap-qemu into separate script

ci/test/06_script_b.sh

@@ -11,16 +11,7 @@ if [ -n "$QEMU_USER_CMD" ]; then
   # Generate all binaries, so that they can be wrapped
   DOCKER_EXEC make $MAKEJOBS -C src/secp256k1 VERBOSE=1
   DOCKER_EXEC make $MAKEJOBS -C src/univalue VERBOSE=1
-  for b_name in {"${BASE_OUTDIR}/bin"/*,src/secp256k1/*tests,src/univalue/{no_nul,test_json,unitester,object}}; do
+  DOCKER_EXEC "${BASE_ROOT_DIR}/ci/test/wrap-qemu.sh"
-    # shellcheck disable=SC2044
-    for b in $(find "${BASE_ROOT_DIR}" -executable -type f -name $(basename $b_name)); do
-      echo "Wrap $b ..."
-      DOCKER_EXEC mv "$b" "${b}_orig"
-      DOCKER_EXEC echo "\#\!/usr/bin/env bash" \> "$b"
-      DOCKER_EXEC echo "$QEMU_USER_CMD \\\"${b}_orig\\\" \\\"\\\$@\\\"" \>\> "$b"
-      DOCKER_EXEC chmod +x "$b"
-    done
-  done
   END_FOLD
 fi
 

ci/test/wrap-qemu.sh

@@ -0,0 +1,18 @@
+#!/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.
+
+export LC_ALL=C.UTF-8
+
+for b_name in {"${BASE_OUTDIR}/bin"/*,src/secp256k1/*tests,src/univalue/{no_nul,test_json,unitester,object}}; do
+    # shellcheck disable=SC2044
+    for b in $(find "${BASE_ROOT_DIR}" -executable -type f -name $(basename $b_name)); do
+      echo "Wrap $b ..."
+      mv "$b" "${b}_orig"
+      echo '#!/usr/bin/env bash' > "$b"
+      echo "$QEMU_USER_CMD \"${b}_orig\" \"\$@\"" >> "$b"
+      chmod +x "$b"
+    done
+done