Change Log Markdown

change_log.sh

#/bin/sh
gitlab_repo_url=$( git remote get-url origin | sed -rn 's/(.*)\.git/\1/p' )
gitlab_commit_path="/-/commit/"
git_tag=$( git describe )
changelog_markdown="CHANGELOG.md"
changelog_markdown_tmp="CHANGELOG.md.tmp"

to_long_commit_type(){
    short_commit_type="$1"
    case $short_commit_type in
        FEA)
            echo "Feature"
    esac
}

if [ -f ${changelog_markdown} ];
then
    mv ${changelog_markdown} ${changelog_markdown_tmp}
fi

echo "# Change Log" > ${changelog_markdown}
echo "" >> ${changelog_markdown}
echo "## Versión ${git_tag}" >> ${changelog_markdown}
echo "" >> ${changelog_markdown}
git log --pretty="%h|%H|%cn|%ce|%s" | grep -vE '\[(GIT|UNS)\]' | sed -rn 's/(.*)\[(.*)\]:.(.*)/\1\2|\3/p' | while read -r line ; do
    short_hash=$( echo "$line" | cut -d'|' -f1 )
    full_hash=$( echo "$line" | cut -d'|' -f2 )
    short_commit_type=$( echo "$line" | cut -d'|' -f5 )
    commit_type=$( to_long_commit_type ${short_commit_type})
    commiter_name=$( echo "$line" | cut -d'|' -f3 )
    commiter_email=$( echo "$line" | cut -d'|' -f4 )
    commit_message=$( echo "$line" | cut -d'|' -f6 )
    echo " - **${commit_type}**: ${commit_message} ([${commiter_name}](mailto:${commiter_email}) en [#${short_hash}](${gitlab_repo_url}${gitlab_commit_path}${full_hash}))" >> ${changelog_markdown}
done

if [ -f ${changelog_markdown_tmp} ];
then
    cat ${changelog_markdown_tmp} | grep -vE 'Change Log' >> ${changelog_markdown}
    rm -f ${changelog_markdown_tmp}
fi