Sync current feature branch with latest changes from base branch

sync_base.sh

#!/bin/bash

function sync_base() {
    parent=$(git show-branch | grep '*' | grep -v "$(git rev-parse --abbrev-ref HEAD)" | head -n1 | sed 's/.*\[\(.*\)\].*/\1/' | sed 's/[\^~].*//')
    current=$(git rev-parse --abbrev-ref HEAD)
    echo "base $parent, current: $current"

    echo "Switching to parent: $parent, make sure you already commit all your work"
    git checkout $parent && git pull

    echo "Switching to your current branch: $current"
    git checkout $current
    git merge $parent
}