1 files changed, 0 insertions, 648 deletions

diff --git a/third_party/git/archive-zip.c b/third_party/git/archive-zip.c
deleted file mode 100644
index 2961e01c754f..000000000000
--- a/third_party/git/archive-zip.c
+++ /dev/null
@@ -1,648 +0,0 @@
-/*
- * Copyright (c) 2006 Rene Scharfe
- */
-#include "cache.h"
-#include "config.h"
-#include "archive.h"
-#include "streaming.h"
-#include "utf8.h"
-#include "object-store.h"
-#include "userdiff.h"
-#include "xdiff-interface.h"
-
-static int zip_date;
-static int zip_time;
-
-/* We only care about the "buf" part here. */
-static struct strbuf zip_dir;
-
-static uintmax_t zip_offset;
-static uint64_t zip_dir_entries;
-
-static unsigned int max_creator_version;
-
-#define ZIP_STREAM	(1 <<  3)
-#define ZIP_UTF8	(1 << 11)
-
-enum zip_method {
-	ZIP_METHOD_STORE = 0,
-	ZIP_METHOD_DEFLATE = 8
-};
-
-struct zip_local_header {
-	unsigned char magic[4];
-	unsigned char version[2];
-	unsigned char flags[2];
-	unsigned char compression_method[2];
-	unsigned char mtime[2];
-	unsigned char mdate[2];
-	unsigned char crc32[4];
-	unsigned char compressed_size[4];
-	unsigned char size[4];
-	unsigned char filename_length[2];
-	unsigned char extra_length[2];
-	unsigned char _end[1];
-};
-
-struct zip_data_desc {
-	unsigned char magic[4];
-	unsigned char crc32[4];
-	unsigned char compressed_size[4];
-	unsigned char size[4];
-	unsigned char _end[1];
-};
-
-struct zip64_data_desc {
-	unsigned char magic[4];
-	unsigned char crc32[4];
-	unsigned char compressed_size[8];
-	unsigned char size[8];
-	unsigned char _end[1];
-};
-
-struct zip_dir_trailer {
-	unsigned char magic[4];
-	unsigned char disk[2];
-	unsigned char directory_start_disk[2];
-	unsigned char entries_on_this_disk[2];
-	unsigned char entries[2];
-	unsigned char size[4];
-	unsigned char offset[4];
-	unsigned char comment_length[2];
-	unsigned char _end[1];
-};
-
-struct zip_extra_mtime {
-	unsigned char magic[2];
-	unsigned char extra_size[2];
-	unsigned char flags[1];
-	unsigned char mtime[4];
-	unsigned char _end[1];
-};
-
-struct zip64_extra {
-	unsigned char magic[2];
-	unsigned char extra_size[2];
-	unsigned char size[8];
-	unsigned char compressed_size[8];
-	unsigned char _end[1];
-};
-
-struct zip64_dir_trailer {
-	unsigned char magic[4];
-	unsigned char record_size[8];
-	unsigned char creator_version[2];
-	unsigned char version[2];
-	unsigned char disk[4];
-	unsigned char directory_start_disk[4];
-	unsigned char entries_on_this_disk[8];
-	unsigned char entries[8];
-	unsigned char size[8];
-	unsigned char offset[8];
-	unsigned char _end[1];
-};
-
-struct zip64_dir_trailer_locator {
-	unsigned char magic[4];
-	unsigned char disk[4];
-	unsigned char offset[8];
-	unsigned char number_of_disks[4];
-	unsigned char _end[1];
-};
-
-/*
- * On ARM, padding is added at the end of the struct, so a simple
- * sizeof(struct ...) reports two bytes more than the payload size
- * we're interested in.
- */
-#define ZIP_LOCAL_HEADER_SIZE	offsetof(struct zip_local_header, _end)
-#define ZIP_DATA_DESC_SIZE	offsetof(struct zip_data_desc, _end)
-#define ZIP64_DATA_DESC_SIZE	offsetof(struct zip64_data_desc, _end)
-#define ZIP_DIR_HEADER_SIZE	offsetof(struct zip_dir_header, _end)
-#define ZIP_DIR_TRAILER_SIZE	offsetof(struct zip_dir_trailer, _end)
-#define ZIP_EXTRA_MTIME_SIZE	offsetof(struct zip_extra_mtime, _end)
-#define ZIP_EXTRA_MTIME_PAYLOAD_SIZE \
-	(ZIP_EXTRA_MTIME_SIZE - offsetof(struct zip_extra_mtime, flags))
-#define ZIP64_EXTRA_SIZE	offsetof(struct zip64_extra, _end)
-#define ZIP64_EXTRA_PAYLOAD_SIZE \
-	(ZIP64_EXTRA_SIZE - offsetof(struct zip64_extra, size))
-#define ZIP64_DIR_TRAILER_SIZE	offsetof(struct zip64_dir_trailer, _end)
-#define ZIP64_DIR_TRAILER_RECORD_SIZE \
-	(ZIP64_DIR_TRAILER_SIZE - \
-	 offsetof(struct zip64_dir_trailer, creator_version))
-#define ZIP64_DIR_TRAILER_LOCATOR_SIZE \
-	offsetof(struct zip64_dir_trailer_locator, _end)
-
-static void copy_le16(unsigned char *dest, unsigned int n)
-{
-	dest[0] = 0xff & n;
-	dest[1] = 0xff & (n >> 010);
-}
-
-static void copy_le32(unsigned char *dest, unsigned int n)
-{
-	dest[0] = 0xff & n;
-	dest[1] = 0xff & (n >> 010);
-	dest[2] = 0xff & (n >> 020);
-	dest[3] = 0xff & (n >> 030);
-}
-
-static void copy_le64(unsigned char *dest, uint64_t n)
-{
-	dest[0] = 0xff & n;
-	dest[1] = 0xff & (n >> 010);
-	dest[2] = 0xff & (n >> 020);
-	dest[3] = 0xff & (n >> 030);
-	dest[4] = 0xff & (n >> 040);
-	dest[5] = 0xff & (n >> 050);
-	dest[6] = 0xff & (n >> 060);
-	dest[7] = 0xff & (n >> 070);
-}
-
-static uint64_t clamp_max(uint64_t n, uint64_t max, int *clamped)
-{
-	if (n <= max)
-		return n;
-	*clamped = 1;
-	return max;
-}
-
-static void copy_le16_clamp(unsigned char *dest, uint64_t n, int *clamped)
-{
-	copy_le16(dest, clamp_max(n, 0xffff, clamped));
-}
-
-static void copy_le32_clamp(unsigned char *dest, uint64_t n, int *clamped)
-{
-	copy_le32(dest, clamp_max(n, 0xffffffff, clamped));
-}
-
-static int strbuf_add_le(struct strbuf *sb, size_t size, uintmax_t n)
-{
-	while (size-- > 0) {
-		strbuf_addch(sb, n & 0xff);
-		n >>= 8;
-	}
-	return -!!n;
-}
-
-static uint32_t clamp32(uintmax_t n)
-{
-	const uintmax_t max = 0xffffffff;
-	return (n < max) ? n : max;
-}
-
-static void *zlib_deflate_raw(void *data, unsigned long size,
-			      int compression_level,
-			      unsigned long *compressed_size)
-{
-	git_zstream stream;
-	unsigned long maxsize;
-	void *buffer;
-	int result;
-
-	git_deflate_init_raw(&stream, compression_level);
-	maxsize = git_deflate_bound(&stream, size);
-	buffer = xmalloc(maxsize);
-
-	stream.next_in = data;
-	stream.avail_in = size;
-	stream.next_out = buffer;
-	stream.avail_out = maxsize;
-
-	do {
-		result = git_deflate(&stream, Z_FINISH);
-	} while (result == Z_OK);
-
-	if (result != Z_STREAM_END) {
-		free(buffer);
-		return NULL;
-	}
-
-	git_deflate_end(&stream);
-	*compressed_size = stream.total_out;
-
-	return buffer;
-}
-
-static void write_zip_data_desc(unsigned long size,
-				unsigned long compressed_size,
-				unsigned long crc)
-{
-	if (size >= 0xffffffff || compressed_size >= 0xffffffff) {
-		struct zip64_data_desc trailer;
-		copy_le32(trailer.magic, 0x08074b50);
-		copy_le32(trailer.crc32, crc);
-		copy_le64(trailer.compressed_size, compressed_size);
-		copy_le64(trailer.size, size);
-		write_or_die(1, &trailer, ZIP64_DATA_DESC_SIZE);
-		zip_offset += ZIP64_DATA_DESC_SIZE;
-	} else {
-		struct zip_data_desc trailer;
-		copy_le32(trailer.magic, 0x08074b50);
-		copy_le32(trailer.crc32, crc);
-		copy_le32(trailer.compressed_size, compressed_size);
-		copy_le32(trailer.size, size);
-		write_or_die(1, &trailer, ZIP_DATA_DESC_SIZE);
-		zip_offset += ZIP_DATA_DESC_SIZE;
-	}
-}
-
-static void set_zip_header_data_desc(struct zip_local_header *header,
-				     unsigned long size,
-				     unsigned long compressed_size,
-				     unsigned long crc)
-{
-	copy_le32(header->crc32, crc);
-	copy_le32(header->compressed_size, compressed_size);
-	copy_le32(header->size, size);
-}
-
-static int has_only_ascii(const char *s)
-{
-	for (;;) {
-		int c = *s++;
-		if (c == '\0')
-			return 1;
-		if (!isascii(c))
-			return 0;
-	}
-}
-
-static int entry_is_binary(struct index_state *istate, const char *path,
-			   const void *buffer, size_t size)
-{
-	struct userdiff_driver *driver = userdiff_find_by_path(istate, path);
-	if (!driver)
-		driver = userdiff_find_by_name("default");
-	if (driver->binary != -1)
-		return driver->binary;
-	return buffer_is_binary(buffer, size);
-}
-
-#define STREAM_BUFFER_SIZE (1024 * 16)
-
-static int write_zip_entry(struct archiver_args *args,
-			   const struct object_id *oid,
-			   const char *path, size_t pathlen,
-			   unsigned int mode,
-			   void *buffer, unsigned long size)
-{
-	struct zip_local_header header;
-	uintmax_t offset = zip_offset;
-	struct zip_extra_mtime extra;
-	struct zip64_extra extra64;
-	size_t header_extra_size = ZIP_EXTRA_MTIME_SIZE;
-	int need_zip64_extra = 0;
-	unsigned long attr2;
-	unsigned long compressed_size;
-	unsigned long crc;
-	enum zip_method method;
-	unsigned char *out;
-	void *deflated = NULL;
-	struct git_istream *stream = NULL;
-	unsigned long flags = 0;
-	int is_binary = -1;
-	const char *path_without_prefix = path + args->baselen;
-	unsigned int creator_version = 0;
-	unsigned int version_needed = 10;
-	size_t zip_dir_extra_size = ZIP_EXTRA_MTIME_SIZE;
-	size_t zip64_dir_extra_payload_size = 0;
-
-	crc = crc32(0, NULL, 0);
-
-	if (!has_only_ascii(path)) {
-		if (is_utf8(path))
-			flags |= ZIP_UTF8;
-		else
-			warning(_("path is not valid UTF-8: %s"), path);
-	}
-
-	if (pathlen > 0xffff) {
-		return error(_("path too long (%d chars, SHA1: %s): %s"),
-				(int)pathlen, oid_to_hex(oid), path);
-	}
-
-	if (S_ISDIR(mode) || S_ISGITLINK(mode)) {
-		method = ZIP_METHOD_STORE;
-		attr2 = 16;
-		out = NULL;
-		compressed_size = 0;
-	} else if (S_ISREG(mode) || S_ISLNK(mode)) {
-		method = ZIP_METHOD_STORE;
-		attr2 = S_ISLNK(mode) ? ((mode | 0777) << 16) :
-			(mode & 0111) ? ((mode) << 16) : 0;
-		if (S_ISLNK(mode) || (mode & 0111))
-			creator_version = 0x0317;
-		if (S_ISREG(mode) && args->compression_level != 0 && size > 0)
-			method = ZIP_METHOD_DEFLATE;
-
-		if (!buffer) {
-			enum object_type type;
-			stream = open_istream(args->repo, oid, &type, &size,
-					      NULL);
-			if (!stream)
-				return error(_("cannot stream blob %s"),
-					     oid_to_hex(oid));
-			flags |= ZIP_STREAM;
-			out = NULL;
-		} else {
-			crc = crc32(crc, buffer, size);
-			is_binary = entry_is_binary(args->repo->index,
-						    path_without_prefix,
-						    buffer, size);
-			out = buffer;
-		}
-		compressed_size = (method == ZIP_METHOD_STORE) ? size : 0;
-	} else {
-		return error(_("unsupported file mode: 0%o (SHA1: %s)"), mode,
-				oid_to_hex(oid));
-	}
-
-	if (creator_version > max_creator_version)
-		max_creator_version = creator_version;
-
-	if (buffer && method == ZIP_METHOD_DEFLATE) {
-		out = deflated = zlib_deflate_raw(buffer, size,
-						  args->compression_level,
-						  &compressed_size);
-		if (!out || compressed_size >= size) {
-			out = buffer;
-			method = ZIP_METHOD_STORE;
-			compressed_size = size;
-		}
-	}
-
-	copy_le16(extra.magic, 0x5455);
-	copy_le16(extra.extra_size, ZIP_EXTRA_MTIME_PAYLOAD_SIZE);
-	extra.flags[0] = 1;	/* just mtime */
-	copy_le32(extra.mtime, args->time);
-
-	if (size > 0xffffffff || compressed_size > 0xffffffff)
-		need_zip64_extra = 1;
-	if (stream && size > 0x7fffffff)
-		need_zip64_extra = 1;
-
-	if (need_zip64_extra)
-		version_needed = 45;
-
-	copy_le32(header.magic, 0x04034b50);
-	copy_le16(header.version, version_needed);
-	copy_le16(header.flags, flags);
-	copy_le16(header.compression_method, method);
-	copy_le16(header.mtime, zip_time);
-	copy_le16(header.mdate, zip_date);
-	if (need_zip64_extra) {
-		set_zip_header_data_desc(&header, 0xffffffff, 0xffffffff, crc);
-		header_extra_size += ZIP64_EXTRA_SIZE;
-	} else {
-		set_zip_header_data_desc(&header, size, compressed_size, crc);
-	}
-	copy_le16(header.filename_length, pathlen);
-	copy_le16(header.extra_length, header_extra_size);
-	write_or_die(1, &header, ZIP_LOCAL_HEADER_SIZE);
-	zip_offset += ZIP_LOCAL_HEADER_SIZE;
-	write_or_die(1, path, pathlen);
-	zip_offset += pathlen;
-	write_or_die(1, &extra, ZIP_EXTRA_MTIME_SIZE);
-	zip_offset += ZIP_EXTRA_MTIME_SIZE;
-	if (need_zip64_extra) {
-		copy_le16(extra64.magic, 0x0001);
-		copy_le16(extra64.extra_size, ZIP64_EXTRA_PAYLOAD_SIZE);
-		copy_le64(extra64.size, size);
-		copy_le64(extra64.compressed_size, compressed_size);
-		write_or_die(1, &extra64, ZIP64_EXTRA_SIZE);
-		zip_offset += ZIP64_EXTRA_SIZE;
-	}
-
-	if (stream && method == ZIP_METHOD_STORE) {
-		unsigned char buf[STREAM_BUFFER_SIZE];
-		ssize_t readlen;
-
-		for (;;) {
-			readlen = read_istream(stream, buf, sizeof(buf));
-			if (readlen <= 0)
-				break;
-			crc = crc32(crc, buf, readlen);
-			if (is_binary == -1)
-				is_binary = entry_is_binary(args->repo->index,
-							    path_without_prefix,
-							    buf, readlen);
-			write_or_die(1, buf, readlen);
-		}
-		close_istream(stream);
-		if (readlen)
-			return readlen;
-
-		compressed_size = size;
-		zip_offset += compressed_size;
-
-		write_zip_data_desc(size, compressed_size, crc);
-	} else if (stream && method == ZIP_METHOD_DEFLATE) {
-		unsigned char buf[STREAM_BUFFER_SIZE];
-		ssize_t readlen;
-		git_zstream zstream;
-		int result;
-		size_t out_len;
-		unsigned char compressed[STREAM_BUFFER_SIZE * 2];
-
-		git_deflate_init_raw(&zstream, args->compression_level);
-
-		compressed_size = 0;
-		zstream.next_out = compressed;
-		zstream.avail_out = sizeof(compressed);
-
-		for (;;) {
-			readlen = read_istream(stream, buf, sizeof(buf));
-			if (readlen <= 0)
-				break;
-			crc = crc32(crc, buf, readlen);
-			if (is_binary == -1)
-				is_binary = entry_is_binary(args->repo->index,
-							    path_without_prefix,
-							    buf, readlen);
-
-			zstream.next_in = buf;
-			zstream.avail_in = readlen;
-			result = git_deflate(&zstream, 0);
-			if (result != Z_OK)
-				die(_("deflate error (%d)"), result);
-			out_len = zstream.next_out - compressed;
-
-			if (out_len > 0) {
-				write_or_die(1, compressed, out_len);
-				compressed_size += out_len;
-				zstream.next_out = compressed;
-				zstream.avail_out = sizeof(compressed);
-			}
-
-		}
-		close_istream(stream);
-		if (readlen)
-			return readlen;
-
-		zstream.next_in = buf;
-		zstream.avail_in = 0;
-		result = git_deflate(&zstream, Z_FINISH);
-		if (result != Z_STREAM_END)
-			die("deflate error (%d)", result);
-
-		git_deflate_end(&zstream);
-		out_len = zstream.next_out - compressed;
-		write_or_die(1, compressed, out_len);
-		compressed_size += out_len;
-		zip_offset += compressed_size;
-
-		write_zip_data_desc(size, compressed_size, crc);
-	} else if (compressed_size > 0) {
-		write_or_die(1, out, compressed_size);
-		zip_offset += compressed_size;
-	}
-
-	free(deflated);
-
-	if (compressed_size > 0xffffffff || size > 0xffffffff ||
-	    offset > 0xffffffff) {
-		if (compressed_size >= 0xffffffff)
-			zip64_dir_extra_payload_size += 8;
-		if (size >= 0xffffffff)
-			zip64_dir_extra_payload_size += 8;
-		if (offset >= 0xffffffff)
-			zip64_dir_extra_payload_size += 8;
-		zip_dir_extra_size += 2 + 2 + zip64_dir_extra_payload_size;
-	}
-
-	strbuf_add_le(&zip_dir, 4, 0x02014b50);	/* magic */
-	strbuf_add_le(&zip_dir, 2, creator_version);
-	strbuf_add_le(&zip_dir, 2, version_needed);
-	strbuf_add_le(&zip_dir, 2, flags);
-	strbuf_add_le(&zip_dir, 2, method);
-	strbuf_add_le(&zip_dir, 2, zip_time);
-	strbuf_add_le(&zip_dir, 2, zip_date);
-	strbuf_add_le(&zip_dir, 4, crc);
-	strbuf_add_le(&zip_dir, 4, clamp32(compressed_size));
-	strbuf_add_le(&zip_dir, 4, clamp32(size));
-	strbuf_add_le(&zip_dir, 2, pathlen);
-	strbuf_add_le(&zip_dir, 2, zip_dir_extra_size);
-	strbuf_add_le(&zip_dir, 2, 0);		/* comment length */
-	strbuf_add_le(&zip_dir, 2, 0);		/* disk */
-	strbuf_add_le(&zip_dir, 2, !is_binary);
-	strbuf_add_le(&zip_dir, 4, attr2);
-	strbuf_add_le(&zip_dir, 4, clamp32(offset));
-	strbuf_add(&zip_dir, path, pathlen);
-	strbuf_add(&zip_dir, &extra, ZIP_EXTRA_MTIME_SIZE);
-	if (zip64_dir_extra_payload_size) {
-		strbuf_add_le(&zip_dir, 2, 0x0001);	/* magic */
-		strbuf_add_le(&zip_dir, 2, zip64_dir_extra_payload_size);
-		if (size >= 0xffffffff)
-			strbuf_add_le(&zip_dir, 8, size);
-		if (compressed_size >= 0xffffffff)
-			strbuf_add_le(&zip_dir, 8, compressed_size);
-		if (offset >= 0xffffffff)
-			strbuf_add_le(&zip_dir, 8, offset);
-	}
-	zip_dir_entries++;
-
-	return 0;
-}
-
-static void write_zip64_trailer(void)
-{
-	struct zip64_dir_trailer trailer64;
-	struct zip64_dir_trailer_locator locator64;
-
-	copy_le32(trailer64.magic, 0x06064b50);
-	copy_le64(trailer64.record_size, ZIP64_DIR_TRAILER_RECORD_SIZE);
-	copy_le16(trailer64.creator_version, max_creator_version);
-	copy_le16(trailer64.version, 45);
-	copy_le32(trailer64.disk, 0);
-	copy_le32(trailer64.directory_start_disk, 0);
-	copy_le64(trailer64.entries_on_this_disk, zip_dir_entries);
-	copy_le64(trailer64.entries, zip_dir_entries);
-	copy_le64(trailer64.size, zip_dir.len);
-	copy_le64(trailer64.offset, zip_offset);
-
-	copy_le32(locator64.magic, 0x07064b50);
-	copy_le32(locator64.disk, 0);
-	copy_le64(locator64.offset, zip_offset + zip_dir.len);
-	copy_le32(locator64.number_of_disks, 1);
-
-	write_or_die(1, &trailer64, ZIP64_DIR_TRAILER_SIZE);
-	write_or_die(1, &locator64, ZIP64_DIR_TRAILER_LOCATOR_SIZE);
-}
-
-static void write_zip_trailer(const struct object_id *oid)
-{
-	struct zip_dir_trailer trailer;
-	int clamped = 0;
-
-	copy_le32(trailer.magic, 0x06054b50);
-	copy_le16(trailer.disk, 0);
-	copy_le16(trailer.directory_start_disk, 0);
-	copy_le16_clamp(trailer.entries_on_this_disk, zip_dir_entries,
-			&clamped);
-	copy_le16_clamp(trailer.entries, zip_dir_entries, &clamped);
-	copy_le32(trailer.size, zip_dir.len);
-	copy_le32_clamp(trailer.offset, zip_offset, &clamped);
-	copy_le16(trailer.comment_length, oid ? the_hash_algo->hexsz : 0);
-
-	write_or_die(1, zip_dir.buf, zip_dir.len);
-	if (clamped)
-		write_zip64_trailer();
-	write_or_die(1, &trailer, ZIP_DIR_TRAILER_SIZE);
-	if (oid)
-		write_or_die(1, oid_to_hex(oid), the_hash_algo->hexsz);
-}
-
-static void dos_time(timestamp_t *timestamp, int *dos_date, int *dos_time)
-{
-	time_t time;
-	struct tm tm;
-
-	if (date_overflows(*timestamp))
-		die(_("timestamp too large for this system: %"PRItime),
-		    *timestamp);
-	time = (time_t)*timestamp;
-	localtime_r(&time, &tm);
-	*timestamp = time;
-
-	*dos_date = tm.tm_mday + (tm.tm_mon + 1) * 32 +
-		    (tm.tm_year + 1900 - 1980) * 512;
-	*dos_time = tm.tm_sec / 2 + tm.tm_min * 32 + tm.tm_hour * 2048;
-}
-
-static int archive_zip_config(const char *var, const char *value, void *data)
-{
-	return userdiff_config(var, value);
-}
-
-static int write_zip_archive(const struct archiver *ar,
-			     struct archiver_args *args)
-{
-	int err;
-
-	git_config(archive_zip_config, NULL);
-
-	dos_time(&args->time, &zip_date, &zip_time);
-
-	strbuf_init(&zip_dir, 0);
-
-	err = write_archive_entries(args, write_zip_entry);
-	if (!err)
-		write_zip_trailer(args->commit_oid);
-
-	strbuf_release(&zip_dir);
-
-	return err;
-}
-
-static struct archiver zip_archiver = {
-	"zip",
-	write_zip_archive,
-	ARCHIVER_WANT_COMPRESSION_LEVELS|ARCHIVER_REMOTE
-};
-
-void init_zip_archiver(void)
-{
-	register_archiver(&zip_archiver);
-}