bump.bash

#!/usr/bin/env bash

BASE=(`cat VERSION | tr '.' ' '`)
MAJOR=${BASE[0]}
MINOR=${BASE[1]}
PATCH=${BASE[2]}

case $1 in
"major")
    let "MAJOR++"
    MINOR=0
    PATCH=0
    ;;
"minor")
    let "MINOR++"
    PATCH=0
    ;;
"patch")
    let "PATCH++"
    ;;
*)
    echo "
    Usage: ./bump.sh major|minor|patch
    "
esac

VER="$MAJOR.$MINOR.$PATCH"

echo "Bumping version from `cat VERSION` to $VER"
read -p "[enter] to confirm / [ctrl-c] to cancel" -n 1 -r
echo $VER > VERSION
git checkout -b "release-v$VER"
git add VERSION
git commit -m "Bumped version to v$VER"
git tag -a -m "Tag version v$VER." "v$VER"
git push -u origin "release-v$VER"
git push origin --tags