Reformat kotlin code (#27827)

* Reformat kotlin code

* Check if java is installed

* Restyled by shfmt

---------

Co-authored-by: Restyled.io <[email protected]>

scripts/helpers/kotlin-format.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+#
+# Copyright (c) 2023 Project CHIP Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+here=${0%/*}
+
+set -e
+
+CHIP_ROOT=$(cd "$here/../.." && pwd)
+cd "$CHIP_ROOT"
+
+if ! command -v java &>/dev/null; then
+    echo "Java is not installed. Please install Java and try again."
+    exit 1
+fi
+
+if [ ! -f "/tmp/ktfmt-0.44-jar-with-dependencies.jar" ]; then
+    wget "https://repo1.maven.org/maven2/com/facebook/ktfmt/0.44/ktfmt-0.44-jar-with-dependencies.jar" -P /tmp
+fi
+
+find src examples -name '*.kt' | xargs java -jar /tmp/ktfmt-0.44-jar-with-dependencies.jar --google-style

scripts/helpers/restyle-diff.sh

@@ -48,5 +48,5 @@ if [[ -z "$ref" ]]; then
     git remote | grep -qxF upstream && ref="upstream/master"
 fi
 
-declare -a paths="($(git diff --ignore-submodules --name-only --merge-base "$ref"))"
+declare -a paths=("$(git diff --ignore-submodules --name-only --merge-base "$ref")")
 restyle-paths "${paths[@]}"