refactor: update run-clangcldocker.sh (#608)

tools/run-clangcldocker.sh

@@ -1,24 +1,31 @@
 #!/usr/bin/env bash
 set -e
-COMMAND=$*
-SCRIPTPATH="$( cd "$(dirname "$0")" ; pwd -P )"
-MAINSOURCE=$SCRIPTPATH/..
-ALL_ADA_FILES=$(cd $MAINSOURCE && git ls-tree --full-tree --name-only -r HEAD | grep -e ".*\.\(c\|h\|cc\|cpp\|hh\)\$" | grep -vFf clang-format-ignore.txt)
+SCRIPT_PATH="$( cd "$(dirname "$0")" ; pwd -P )"
+ROOT_PATH=$SCRIPT_PATH/..
+ALL_ADA_FILES=$(cd "$ROOT_PATH" && git ls-tree --full-tree --name-only -r HEAD | grep -e ".*\.\(c\|h\|cc\|cpp\|hh\)\$" | grep -vFf clang-format-ignore.txt)
 
 if clang-format-15 --version  2>/dev/null | grep -qF 'version 15.'; then
-  cd $MAINSOURCE; clang-format-15 --style=file --verbose -i "$@" $ALL_ADA_FILES
+  cd "$ROOT_PATH"; clang-format-15 --style=file --verbose -i "$@" "$ALL_ADA_FILES"
   exit 0
 elif clang-format --version  2>/dev/null | grep -qF 'version 15.'; then
-  cd $MAINSOURCE; clang-format --style=file --verbose -i "$@" $ALL_ADA_FILES
+  cd "$ROOT_PATH"; clang-format --style=file --verbose -i "$@" "$ALL_ADA_FILES"
   exit 0
 fi
 echo "Trying to use docker"
 command -v docker >/dev/null 2>&1 || { echo >&2 "Please install docker. E.g., go to https://www.docker.com/products/docker-desktop Type 'docker' to diagnose the problem."; exit 1; }
 docker info >/dev/null 2>&1 || { echo >&2 "Docker server is not running? type 'docker info'."; exit 1; }
 
-if [ -t 0 ]; then DOCKER_ARGS=-it; fi
-docker pull kszonek/clang-format-15
-
-docker run --rm $DOCKER_ARGS -v "$MAINSOURCE":"$MAINSOURCE":Z  -w "$MAINSOURCE" -u "$(id -u $USER):$(id -g $USER)" kszonek/clang-format-15 --style=file --verbose -i "$@" $ALL_ADA_FILES
+if [ -t 0 ];
+  then DOCKER_ARGS=-it;
+fi
 
+docker pull kszonek/clang-format-15
 
+docker run --rm $DOCKER_ARGS \
+  -v "$ROOT_PATH":"$ROOT_PATH":Z \
+  -w "$ROOT_PATH" \
+  -u "$(id -u "$USER"):$(id -g "$USER")" \
+  kszonek/clang-format-15 \
+  --style=file \
+  --verbose \
+  -i "$@" "$ALL_ADA_FILES"