parse-opt: add PARSE_OPT_KEEP_ARGV0 parser option.

diff --git a/archive.c b/archive.c
index fb159fe59e9e6fc40db584468c7b1ddf8495ccb3..6502b76ef10a182e9d9f0e60ad926c55a31a737a 100644 (file)
--- a/archive.c
+++ b/archive.c
@@ -16,9 +16,9 @@ static void format_subst(const struct commit *commit,
                const char *b, *c;
 
                b = memmem(src, len, "$Format:", 8);
-               if (!b || src + len < b + 9)
+               if (!b)
                        break;
-               c = memchr(b + 8, '$', len - 8);
+               c = memchr(b + 8, '$', (src + len) - b - 8);
                if (!c)
                        break;
 
@@ -82,3 +82,16 @@ void *sha1_file_to_archive(const char *path, const unsigned char *sha1,
        return buffer;
 }
 
+int is_archive_path_ignored(const char *path)
+{
+       static struct git_attr *attr_export_ignore;
+       struct git_attr_check check[1];
+
+       if (!attr_export_ignore)
+               attr_export_ignore = git_attr("export-ignore", 13);
+
+       check[0].attr = attr_export_ignore;
+       if (git_checkattr(path, ARRAY_SIZE(check), check))
+               return 0;
+       return ATTR_TRUE(check[0].value);
+}