t3404: use configured shell instead of /bin/sh

diff --git a/builtin-fast-export.c b/builtin-fast-export.c
index 2136aadfd7831828ee29fbfa9ae7974c65271dee..f741df522014b9495f18cf13c2e01382da71c41d 100755 (executable)
--- a/builtin-fast-export.c
+++ b/builtin-fast-export.c
@@ -103,7 +103,7 @@ static void handle_object(const unsigned char *sha1)
        mark_object(object);
 
        printf("blob\nmark :%d\ndata %lu\n", last_idnum, size);
-       if (fwrite(buf, size, 1, stdout) != 1)
+       if (size && fwrite(buf, size, 1, stdout) != 1)
                die ("Could not write blob %s", sha1_to_hex(sha1));
        printf("\n");
 
@@ -383,7 +383,8 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
 
        get_tags_and_duplicates(&revs.pending, &extra_refs);
 
-       prepare_revision_walk(&revs);
+       if (prepare_revision_walk(&revs))
+               die("revision walk setup failed");
        revs.diffopt.format_callback = show_filemodify;
        DIFF_OPT_SET(&revs.diffopt, RECURSIVE);
        while ((commit = get_revision(&revs))) {