git-safepush

#!/bin/bash

check_branch() {
    CURR_BRANCH=$(git branch | grep -Po '(?<=\* ).*')
    if [ "$CURR_BRANCH" == "master" ] ; then
        read -p "=== Whoa there, cowboy. Do you really want to push to master? [y/N] " ANS
        [ "$ANS" != "y" ] && exit
    fi
    true
}

check_rebase() {
    NUM_UNPUSHED_COMMITS=$(git log origin/master..HEAD | grep '^commit ' | wc -l)
    if [ "$NUM_UNPUSHED_COMMITS" -gt 1 ] ; then
        echo "=== Multiple commits will be pushed...."
        git log origin/master..HEAD
        echo ""
        read -p "=== Do you want to rebase? [Y/n] " ANS
        if [ "$ANS" != "n" ] ; then
            git rebase -i origin/master
            echo ""
            echo "=== New push list:"
            git log origin/master..HEAD
            echo ""
            read -p "=== Press Enter to continue, ^c to bail"
        fi
    fi
    true
}

# TODO: regression tests??

check_branch && \
check_rebase && \
git push