Print out code that an author has contributed to a Git repo filtering out whitespace and compiled files.

git-author-audit.php

#!/usr/bin/env php

<?php

if ( empty( $argv[1] ) ) {
	exit( "Need to supply an author.\n" );
}

$author = $argv[1];

exec( 'git ls-files', $files );

echo "Author Report: " . $author;

$added = 0;
$subtracted = 0;

foreach ( $files as $file ) {
	if ( false !== strpos( $file, '.min') ) {
		continue;
	}

	$log = '';
	exec( 'git log -p -M --author=' . $author . ' --ignore-space-change --ignore-blank-lines --follow --stat -- ' . $file, $log );

	if ( empty( $log ) ) {
		continue;
	}

	$log = implode( $log, "\n" );

	if ( false === strpos( $log, 'sourceMappingUrl') ) {

		echo "\n\n" . $file . "\n----------------------------------------------------------------------------------------------\n\n";
		echo $log;

		exec( 'git log --author=' . $author . ' --ignore-space-change --ignore-blank-lines --numstat --pretty="%H" -- ' . $file . ' | awk \'NF==3 {plus+=$1; minus+=$2} END {printf("+%d, -%d\n", plus, minus)}\'', $stats );

		$added += (int) preg_replace( '#\+([0-9]+), \-([0-9]+)#i', '$1', $stats[0] );
		$subtracted += (int) preg_replace( '#\+([0-9]+), \-([0-9]+)#i', '$2', $stats[0] );
	}
}

echo "\n\n-----------------------------------\n\n";

echo 'Total Added: ' . $added . "\n";
echo 'Total Subtracted: ' . $subtracted . "\n";