iox-eclipse-iceoryx#1287 Add cmake linter

Signed-off-by: Christian Eltzschig <me@elchris.org>

tools/ci/cmake-linter.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2022 by Apex.AI Inc. All rights reserved.
+#
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+ICEORYX_ROOT_PATH=$(git rev-parse --show-toplevel)
+EXIT_CODE=0
+
+performCmakeLinting()
+{
+    NUMBER_OF_FILES=$(find $ICEORYX_ROOT_PATH -type f -name "CMakeLists.txt" | grep -v ${ICEORYX_ROOT_PATH}/build | grep -v ${ICEORYX_ROOT_PATH}/.github | grep -v ${ICEORYX_ROOT_PATH}/.git | wc -l)
+
+    CURRENT_FILE=0
+    for FILE in $(find $ICEORYX_ROOT_PATH -type f -iname "CMakeLists.txt" | grep -v ${ICEORYX_ROOT_PATH}/build | grep -v ${ICEORYX_ROOT_PATH}/.github | grep -v ${ICEORYX_ROOT_PATH}/.git | grep -v ${ICEORYX_ROOT_PATH}/doc)
+    do
+        let CURRENT_FILE=$CURRENT_FILE+1
+        echo -e "[$CURRENT_FILE/$NUMBER_OF_FILES] $FILE"
+
+        if ! [[ $(cat $FILE | grep -i add_library | grep -v iox_add_library | wc -l) == "0" ]]
+        then
+            echo "  please do not use the cmake command \"add_library\", use \"iox_add_library\" instead"
+            EXIT_CODE=1
+        fi
+
+        if ! [[ $(cat $FILE | grep -i add_executable | grep -v iox_add_executable | wc -l) == "0" ]]
+        then
+            echo "  please do not use the cmake command \"add_executable\", use \"iox_add_executable\" instead"
+            EXIT_CODE=1
+        fi
+    done
+}
+
+performCmakeLinting
+
+exit $EXIT_CODE