t7800: readlink may not be available

diff --git a/archive-zip.c b/archive-zip.c
index 1a54e1b187178e9818ee3e3f90279c2985fa7b63..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;
@@ -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);
 
@@ -255,6 +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;
@@ -299,7 +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);
 
@@ -327,6 +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);
@@ -359,6 +377,9 @@ 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);
 
                        zstream.next_in = buf;
                        zstream.avail_in = readlen;
@@ -403,6 +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);