git-revert.php

<?php
if ($argc <= 1) {
    echo 'usage: revert COMMIT', PHP_EOL;
    echo '       revert COMMIT1 COMMIT2', PHP_EOL;
    exit;
}

$revert_point_start = 'HEAD';
$revert_point_end   = $argv[1];

if ($argc > 2) {
    $revert_point_start = $argv[1];
    $revert_point_end   = $argv[2];
}

$list = explode("\n", `git log --name-status {$revert_point_start}...{$revert_point_end}`);

foreach ($list as $line) {
    if (strpos($line, 'commit ') === 0) {
        echo 'git revert ', substr($line, 7), PHP_EOL;
    }
}