Show usage string for 'git get-tar-commit-id -h'

diff --git a/diffcore.h b/diffcore.h
index 1ebfdae8b8ba1ede00cddd17bfd0fb5610866d03..5b634585e8970de81067b9807d8813c083b86b0a 100644 (file)
--- a/diffcore.h
+++ b/diffcore.h
@@ -22,6 +22,8 @@
 
 #define MINIMUM_BREAK_SIZE     400 /* do not break a file smaller than this */
 
+struct userdiff_driver;
+
 struct diff_filespec {
        unsigned char sha1[20];
        char *path;
@@ -40,8 +42,10 @@ struct diff_filespec {
 #define DIFF_FILE_VALID(spec) (((spec)->mode) != 0)
        unsigned should_free : 1; /* data should be free()'ed */
        unsigned should_munmap : 1; /* data should be munmap()'ed */
-       unsigned checked_attr : 1;
-       unsigned is_binary : 1; /* data should be considered "binary" */
+
+       struct userdiff_driver *driver;
+       /* data should be considered "binary"; -1 means "don't know yet" */
+       int is_binary;
 };
 
 extern struct diff_filespec *alloc_filespec(const char *);