Get changes stats over current branch on git repos

git_numstat_summary.bash

function git_numstat_summary() {

    CURRENT=$(git branch --show-current)
    FILES=$(git diff --name-only main...HEAD | wc -l)
    
     echo "Files changed"

     echo "$FILES files"

    echo "Lines changed"

    git log --numstat --pretty="%H" main.."$CURRENT" | awk 'NF==3 {plus+=$1; minus+=$2} END {printf("+%d, -%d\n", plus, minus)}'

    
}

alias branchstats=git_numstat_summary