file-retouch-to-last-git-commit-date

#!/bin/bash

function retouch() {
    file=shift
    _date=$(git log -1 --format=%ai "$_file")
    touch --date="$_date" "$_file"
    echo "DONE touch --date=\"$_date\" $_file"
}

if [[ $# -gt 0 ]]; then
    for _file in $*
    do
        if [[ -f "$_file" ]]; then
            retouch $_file
        else
            echo "Not a file: $_file"
        fi
    done
else
    echo "Require some file names"
fi