iox-#2 Port 'prepart-commit-msg' git-hook from iceoryx to iceory-rs

tools/git-hooks/prepare-commit-msg

@@ -0,0 +1,47 @@
+#! /bin/bash
+
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: © 2021 - 2022 by Apex.AI Inc. All rights reserved.
+# SPDX-FileCopyrightText: © Contributors to the iceoryx-rs project
+# SPDX-FileContributor: Mathias Kraus
+
+# This script adds the issue number of the branch name to the commit message if it is available
+
+set -eu
+
+COLOR_RESET='\033[0m'
+COLOR_RED='\033[1;31m'
+COLOR_GREEN='\033[1;32m'
+COLOR_YELLOW='\033[1;33m'
+
+BRANCH_NAME=$(git rev-parse --abbrev-ref HEAD)
+BRANCH_ISSUE_NUMBER='0'
+
+if [[ "${BRANCH_NAME}" =~ ^iox-[0-9]+ ]]; then
+    BRANCH_ISSUE_NUMBER="$(echo "${BRANCH_NAME}" | grep -Eo 'iox-[0-9]+' | grep -Eo '[0-9]+')"
+else
+    echo -e "${COLOR_YELLOW}"
+    echo -e "Warning: The branch name doesn't follow the convention of 'iox-ISSUE_NUMBER'."
+    echo -e "Commit message won't be autoformatted."
+    echo -e "${COLOR_RESET}"
+    exit 0
+fi
+
+COMMIT_MSG=$(cat $1)
+if [[ ${COMMIT_MSG} =~ ^iox-#[0-9]+ ]]; then
+    COMMIT_ISSUE_NUMBER="$(echo "${COMMIT_MSG}" | grep -Eo 'iox-#[0-9]+' | grep -Eo '[0-9]+')"
+    if [[ "${COMMIT_ISSUE_NUMBER}" != "${BRANCH_ISSUE_NUMBER}" ]]; then
+        echo -e "${COLOR_YELLOW}"
+        echo -e "Warning: Commit message issue number does not fit to branch issue number: '${BRANCH_ISSUE_NUMBER}'"
+        echo -e "Is this on purpose?"
+        echo -e "Commit message will not be autoformatted."
+        echo -e "${COLOR_RESET}"
+        exit 0
+    fi
+else
+    echo -e "${COLOR_GREEN}"
+    echo -e "Info: Commit message does not start with issue number: '${COMMIT_MSG}'"
+    echo -e "Commit message will be autoformatted."
+    echo -e "${COLOR_RESET}"
+    echo -e "iox-#${BRANCH_ISSUE_NUMBER} ${COMMIT_MSG}" > $1
+fi