suggestions

ci/Dockerfile.builder

@@ -43,7 +43,7 @@ RUN apt-get update && apt-get install $APT_ARGS g++-arm-linux-gnueabihf && rm -r
 RUN apt-get update && apt-get install $APT_ARGS g++-mingw-w64-x86-64 && rm -rf /var/lib/apt/lists/*
 RUN apt-get update && apt-get install $APT_ARGS wine-stable wine32 wine64 bc nsis xorriso libncurses5 && rm -rf /var/lib/apt/lists/*
 RUN apt-get update && apt-get install $APT_ARGS python3-zmq && rm -rf /var/lib/apt/lists/*
-RUN apt-get update && apt-get install $APT_ARGS cppcheck gawk jq && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install $APT_ARGS cppcheck gawk jq parallel && rm -rf /var/lib/apt/lists/*
 RUN apt-get update && apt-get install $APT_ARGS imagemagick libcap-dev librsvg2-bin libz-dev libbz2-dev libtiff-tools && rm -rf /var/lib/apt/lists/*
 
 ARG SHELLCHECK_VERSION=v0.7.1

test/lint/lint-all.sh

@@ -18,27 +18,28 @@ LINTALL=$(basename "${BASH_SOURCE[0]}")
 
 EXIT_CODE=0
 
-SCRIPTS=()
-
-for f in "${SCRIPTDIR}"/lint-*.sh; do
-  if [ "$(basename "$f")" != "$LINTALL" ]; then
-    SCRIPTS+=("$f")
-  fi
-done
-
+if ! command -v parallel > /dev/null; then
+  for f in "${SCRIPTDIR}"/lint-*.sh; do
+    if [ "$(basename "$f")" != "$LINTALL" ]; then
+      if ! "$f"; then
+        echo "^---- failure generated from $f"
+        EXIT_CODE=1
+      fi
+    fi
+  done
+else
+  SCRIPTS=()
 
-if ! parallel --help > /dev/null; then
-for f in "${SCRIPTDIR}"/lint-*.sh; do
-  if [ "$(basename "$f")" != "$LINTALL" ]; then
-    if ! "$f"; then
-      echo "^---- failure generated from $f"
-      EXIT_CODE=1
+  for f in "${SCRIPTDIR}"/lint-*.sh; do
+    if [ "$(basename "$f")" != "$LINTALL" ]; then
+      SCRIPTS+=("$f")
     fi
-  fi
-done
-elif ! parallel --jobs 100% bash ::: ${SCRIPTS[*]}; then
+  done
+
+  if ! parallel --jobs 100% bash ::: "${SCRIPTS[@]}"; then
     echo "^---- failure generated"
     EXIT_CODE=1
+  fi
 fi
 
 exit ${EXIT_CODE}