bump-core

#!/bin/bash

PARENT=$1
VERSION=$2
BRANCH=feature/core-bump-$VERSION

if [[ -z $PARENT || -z $VERSION ]]; then
    echo "Usage: $0 <dir-with-repos> <core-version>"
    exit 1
fi

if [[ ! -d $PARENT ]]; then
    echo "$PARENT is not a valid directory"
    exit 1
fi

if [[ ! -d "$PARENT/api" || ! -d "$PARENT/cloud" ]]; then
    echo "api or cloud not found in $PARENT"
    exit 1
fi

for REPO in cloud api; do
    cd $PARENT/$REPO
    echo "Updating core in $REPO..."

    EXISTS=$(cat Gemfile | grep "gem 'core'" | grep $VERSION)
    if [[ -n $EXISTS ]]; then
        echo "$VERSION has already been updated"
        exit 1
    fi

    git stash > /dev/null &&
        git checkout master > /dev/null 2>&1 &&
        git pull > /dev/null 2>&1 &&
        (git checkout -b $BRANCH master > /dev/null 2>&1 || git checkout $BRANCH > /dev/null 2>&1) &&
        sed -i.new -E "s/^gem 'core', '~> [0-9\.]+'$/gem 'core', '~> $VERSION'/g" Gemfile &&
        mv Gemfile.new Gemfile &&
        echo "Bundling..." && bundle install > /dev/null &&
        git commit -am "Updated core to $VERSION" > /dev/null

    if [[ $? != 0 ]]; then
        echo "Something went wrong. Restoring."
        git stash > /dev/null 2>&1
        git checkout master > /dev/null 2>&1
        exit 1
    fi

    echo -n "Push update to origin? (y or n): "
    read PUSHIT
    if [[ $PUSHIT == "y" ]]; then
        git push
    fi
done