config.mak.uname: Darwin: define HAVE_GETDELIM for modern OS X releases

diff --git a/archive-zip.c b/archive-zip.c
index a8d119305ff5c0161e7239a8ad70a92c76122631..ffb3535e93dca2135724d998657b80c2bc4d6f20 100644 (file)
--- a/archive-zip.c
+++ b/archive-zip.c
@@ -5,6 +5,8 @@
 #include "archive.h"
 #include "streaming.h"
 #include "utf8.h"
+#include "userdiff.h"
+#include "xdiff-interface.h"
 
 static int zip_date;
 static int zip_time;
@@ -111,16 +113,16 @@ static void copy_le32(unsigned char *dest, unsigned int n)
        dest[3] = 0xff & (n >> 030);
 }
 
-static void *zlib_deflate(void *data, unsigned long size,
-               int compression_level, unsigned long *compressed_size)
+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;
 
-       memset(&stream, 0, sizeof(stream));
-       git_deflate_init(&stream, compression_level);
+       git_deflate_init_raw(&stream, compression_level);
        maxsize = git_deflate_bound(&stream, size);
        buffer = xmalloc(maxsize);
 
@@ -188,6 +190,16 @@ static int has_only_ascii(const char *s)
        }
 }
 
+static int entry_is_binary(const char *path, const void *buffer, size_t size)
+{
+       struct userdiff_driver *driver = userdiff_find_by_path(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,
@@ -209,6 +221,8 @@ static int write_zip_entry(struct archiver_args *args,
        struct git_istream *stream = NULL;
        unsigned long flags = 0;
        unsigned long size;
+       int is_binary = -1;
+       const char *path_without_prefix = path + args->baselen;
 
        crc = crc32(0, NULL, 0);
 
@@ -231,7 +245,6 @@ static int write_zip_entry(struct archiver_args *args,
                size = 0;
                compressed_size = 0;
                buffer = NULL;
-               size = 0;
        } else if (S_ISREG(mode) || S_ISLNK(mode)) {
                enum object_type type = sha1_object_info(sha1, &size);
 
@@ -256,6 +269,8 @@ static int write_zip_entry(struct archiver_args *args,
                                return error("cannot read %s",
                                             sha1_to_hex(sha1));
                        crc = crc32(crc, buffer, size);
+                       is_binary = entry_is_binary(path_without_prefix,
+                                                   buffer, size);
                        out = buffer;
                }
                compressed_size = (method == 0) ? size : 0;
@@ -265,14 +280,11 @@ static int write_zip_entry(struct archiver_args *args,
        }
 
        if (buffer && method == 8) {
-               deflated = zlib_deflate(buffer, size, args->compression_level,
-                               &compressed_size);
-               if (deflated && compressed_size - 6 < size) {
-                       /* ZLIB --> raw compressed data (see RFC 1950) */
-                       /* CMF and FLG ... */
-                       out = (unsigned char *)deflated + 2;
-                       compressed_size -= 6;   /* ... and ADLER32 */
-               } else {
+               out = deflated = zlib_deflate_raw(buffer, size,
+                                                 args->compression_level,
+                                                 &compressed_size);
+               if (!out || compressed_size >= size) {
+                       out = buffer;
                        method = 0;
                        compressed_size = size;
                }
@@ -303,7 +315,6 @@ static int write_zip_entry(struct archiver_args *args,
        copy_le16(dirent.extra_length, ZIP_EXTRA_MTIME_SIZE);
        copy_le16(dirent.comment_length, 0);
        copy_le16(dirent.disk, 0);
-       copy_le16(dirent.attr1, 0);
        copy_le32(dirent.attr2, attr2);
        copy_le32(dirent.offset, zip_offset);
 
@@ -331,6 +342,9 @@ static int write_zip_entry(struct archiver_args *args,
                        if (readlen <= 0)
                                break;
                        crc = crc32(crc, buf, readlen);
+                       if (is_binary == -1)
+                               is_binary = entry_is_binary(path_without_prefix,
+                                                           buf, readlen);
                        write_or_die(1, buf, readlen);
                }
                close_istream(stream);
@@ -352,8 +366,7 @@ static int write_zip_entry(struct archiver_args *args,
                size_t out_len;
                unsigned char compressed[STREAM_BUFFER_SIZE * 2];
 
-               memset(&zstream, 0, sizeof(zstream));
-               git_deflate_init(&zstream, args->compression_level);
+               git_deflate_init_raw(&zstream, args->compression_level);
 
                compressed_size = 0;
                zstream.next_out = compressed;
@@ -364,19 +377,19 @@ static int write_zip_entry(struct archiver_args *args,
                        if (readlen <= 0)
                                break;
                        crc = crc32(crc, buf, readlen);
+                       if (is_binary == -1)
+                               is_binary = entry_is_binary(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 = compressed;
-                       if (!compressed_size)
-                               out += 2;
-                       out_len = zstream.next_out - out;
+                       out_len = zstream.next_out - compressed;
 
                        if (out_len > 0) {
-                               write_or_die(1, out, out_len);
+                               write_or_die(1, compressed, out_len);
                                compressed_size += out_len;
                                zstream.next_out = compressed;
                                zstream.avail_out = sizeof(compressed);
@@ -394,11 +407,8 @@ static int write_zip_entry(struct archiver_args *args,
                        die("deflate error (%d)", result);
 
                git_deflate_end(&zstream);
-               out = compressed;
-               if (!compressed_size)
-                       out += 2;
-               out_len = zstream.next_out - out - 4;
-               write_or_die(1, out, out_len);
+               out_len = zstream.next_out - compressed;
+               write_or_die(1, compressed, out_len);
                compressed_size += out_len;
                zip_offset += compressed_size;
 
@@ -414,6 +424,8 @@ static int write_zip_entry(struct archiver_args *args,
        free(deflated);
        free(buffer);
 
+       copy_le16(dirent.attr1, !is_binary);
+
        memcpy(zip_dir + zip_dir_offset, &dirent, ZIP_DIR_HEADER_SIZE);
        zip_dir_offset += ZIP_DIR_HEADER_SIZE;
        memcpy(zip_dir + zip_dir_offset, path, pathlen);