gitsquash.sh

#!/usr/bin/env bash

# ~/.bash_profile
# alias gitsquash=~/gitsquash.sh

set -x

args=$*

if [ -z "$1" ]
    then
        args=$(git log -1 --pretty=%B)
fi

echo "using as new commit msg last commit msg: $args"

git log -n 2

git add -A

git commit -m "'changes'"

if [ $? -eq 0 ]; then
    echo "ok, commit is possible"
else
    echo "error, no changes, wtf"
    exit 1
fi

git reset --hard HEAD~2

git merge --squash HEAD@{1}

git commit -m "$args"

git log -n 2

read -p "press enter to push force"

git branch | grep '*' | awk '{print $2}' | xargs -I % git push -f origin %