Git Hook to validate that the Git Commit Message follow Semantic Versioning Standard

commit-msg

#!/bin/bash

#
# File: commit-msg | Note: Following git hook validates the git commit message contains semantic versioning 
#

#
# MIT License
# 
# Copyright (c) 2024 Shaid Khan
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#

GIT_COMMIT_MESSAGE_TITLE=`head -n 1 $1`

function validate_commit_title() {
    local SEMANTIC_VERSIONING_REGEX='^V[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$'

    if [[ $1 =~ $SEMANTIC_VERSIONING_REGEX ]]
    then
        echo "NOTE: Commit Title matches Semantic Version: $1";
        return 0;
    else
        echo "FATAL: Commit Title does not match Semantic Version: $1";
        return 1
    fi
}

validate_commit_title $GIT_COMMIT_MESSAGE_TITLE