Rebase from base branch

gitrebase.sh

#!/bin/bash

# Fetch the base branch to rebase to. Defaults to master.
BASE_BRANCH=${1-master}

# Fetch the number of commits
COMMITS=$(git log "$BASE_BRANCH".."$(git rev-parse --abbrev-ref HEAD)" --pretty=oneline | wc -l | awk '{print $1}')

# Rebase to original, base branch
git rebase $BASE_BRANCH

# Interactive rebase from the number of commits diverged from original branch
git rebase -i head~"$COMMITS"