git/Git.php


		foreach( $objs as $sha => $type ) {
		- // Obtain uncompressed size from index/header without loading object data.
		$size = $this->getObjectSize( $sha );
		$byte = $type << 4 \| $size & 0x0f;

		yield $hdr;

		- // Stream-compress the object data without ever holding the full raw
		- // content in memory. deflate_add() with ZLIB_NO_FLUSH produces
		- // compressed output incrementally; we accumulate only the (much
		- // smaller) compressed bytes.
		$deflate = deflate_init( ZLIB_ENCODING_DEFLATE );
		- $compBuf = '';

		- $this->slurp( $sha, function( $chunk ) use ( $deflate, $ctx, &$compBuf ) {
		+ $this->slurp( $sha, function( $chunk ) use ( $deflate, $ctx ) {
		$compressed = deflate_add( $deflate, $chunk, ZLIB_NO_FLUSH );

		if( $compressed !== '' ) {
		hash_update( $ctx, $compressed );
		- $compBuf .= $compressed;
		+ echo $compressed;
		}
		} );

		$final = deflate_add( $deflate, '', ZLIB_FINISH );

		if( $final !== '' ) {
		hash_update( $ctx, $final );
		- $compBuf .= $final;
		- }
		-
		- // Yield the compressed body in 64 KB chunks.
		- $pos = 0;
		- $len = strlen( $compBuf );
		-
		- while( $pos < $len ) {
		- yield substr( $compBuf, $pos, 65536 );
		- $pos += 65536;
		+ yield $final;
		}
		}

git/GitPacks.php

		private const MAX_READ = 1040576;
		private const MAX_RAM = 1048576;
		- private const MAX_BASE_RAM = 524288;
		- private const MAX_DEPTH = 50;
		+ private const MAX_BASE_RAM = 2097152;
		+ private const MAX_DEPTH = 200;

		private string $objectsPath;

		if( strlen( $sha ) === 40 && ctype_xdigit( $sha ) ) {
		$binarySha = hex2bin( $sha );
		+
		if( $this->lastPack !== '' ) {
		$offset = $this->findInIdx( $this->lastPack, $binarySha );

		): bool {
		if( $depth >= self::MAX_DEPTH ) {
		- return false;
		+ throw new RuntimeException( "Delta depth limit exceeded" );
		}


		$deltaPos = ftell( $handle );
		$base = '';
		-
		$baseSize = $this->extractPackedSize( $handle, $offset - $neg );

		if( $baseSize > self::MAX_BASE_RAM ) {
		- return false;
		+ throw new RuntimeException( "Base object too large: $baseSize" );
		}



		if( $baseSize > self::MAX_BASE_RAM ) {
		- return false;
		+ throw new RuntimeException( "Base object too large: $baseSize" );
		}

pages/ClonePage.php


		private function sendSidebandData( int $band, string $data ): void {
		- $chunkSize = 65000;
		+ $chunkSize = 65515;
		$len = strlen( $data );

Improves sideband chunking

Author	Dave Jarvis <email>
Date	2026-02-20 01:52:49 GMT-0800
Commit	1e0586ce531de7913ad3580749b4f75146bc80ec
Parent	69f70d0
Delta	10 lines added, 25 lines removed, 15-line decrease