fast-import: Fix crash when referencing already existing objects

diff --git a/archive-zip.c b/archive-zip.c
index f31b8ed8236c3fcad10ac9a84e2f508f11e1a6cf..3cbf6bb8ac4045803140ca5019126015e817155e 100644 (file)
--- a/archive-zip.c
+++ b/archive-zip.c
@@ -167,7 +167,7 @@ static int write_zip_entry(const unsigned char *sha1,
        int pathlen;
        unsigned char *out;
        char *path;
-       char type[20];
+       enum object_type type;
        void *buffer = NULL;
        void *deflated = NULL;
 
@@ -182,10 +182,10 @@ static int write_zip_entry(const unsigned char *sha1,
                goto out;
        }
 
-       if (S_ISDIR(mode)) {
+       if (S_ISDIR(mode) || S_ISDIRLNK(mode)) {
                method = 0;
                attr2 = 16;
-               result = READ_TREE_RECURSIVE;
+               result = (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0);
                out = NULL;
                uncompressed_size = 0;
                compressed_size = 0;
@@ -195,7 +195,7 @@ static int write_zip_entry(const unsigned char *sha1,
                if (S_ISREG(mode) && zlib_compression_level != 0)
                        method = 8;
                result = 0;
-               buffer = read_sha1_file(sha1, type, &size);
+               buffer = convert_sha1_file(path, sha1, mode, &type, &size);
                if (!buffer)
                        die("cannot read %s", sha1_to_hex(sha1));
                crc = crc32(crc, buffer, size);