bump_version.sh

#/usr/bin/env bash

# bump_version.sh (show|major|minor|patch|prerelease|build)

VERSION_FILE=version.txt

HELP_INFORMATION="bump_version.sh (show|major|minor|patch|prerelease|build|finalize)"

old_version=$(cat $VERSION_FILE)

if [[ $# -ne 1 ]]
then
   echo $HELP_INFORMATION
else
    case $1 in
        major|minor|patch|prerelease|build)
            new_version=$(python -c "import semver; print(semver.bump_$1('$old_version'))")
            echo Changing version from $old_version to $new_version
            sed -i "s/$old_version/$new_version/" $VERSION_FILE
            git add $VERSION_FILE
            git commit -m"Bumped version from $old_version to $new_version"
            git push
            ;;
        finalize)
            new_version=$(python -c "import semver; print(semver.finalize_version('$old_version'))")
            echo Changing version from $old_version to $new_version
            sed -i "s/$old_version/$new_version/" $VERSION_FILE
            git add $VERSION_FILE
            git commit -m"Bumped version from $old_version to $new_version"
            git push
            ;;
        show)
            echo $old_version
            ;;
        *)
            echo $HELP_INFORMATION
            ;;
    esac
fi