grep: add a test asserting that --perl-regexp dies when !PCRE

diff --git a/attr.h b/attr.h
index b2cfd8550962935a0587325136d2fcaa9e3d506c..442d464db6271da48a4ef133127c7d3a18c186cf 100644 (file)
--- a/attr.h
+++ b/attr.h
@@ -4,11 +4,15 @@
 /* An attribute is a pointer to this opaque structure */
 struct git_attr;
 
+/* opaque structures used internally for attribute collection */
+struct all_attrs_item;
+struct attr_stack;
+
 /*
  * Given a string, return the gitattribute object that
  * corresponds to it.
  */
-struct git_attr *git_attr(const char *);
+const struct git_attr *git_attr(const char *);
 
 /* Internal use */
 extern const char git_attr__true[];
@@ -33,10 +37,14 @@ struct attr_check {
        int nr;
        int alloc;
        struct attr_check_item *items;
+       int all_attrs_nr;
+       struct all_attrs_item *all_attrs;
+       struct attr_stack *stack;
 };
 
 extern struct attr_check *attr_check_alloc(void);
 extern struct attr_check *attr_check_initl(const char *, ...);
+extern struct attr_check *attr_check_dup(const struct attr_check *check);
 
 extern struct attr_check_item *attr_check_append(struct attr_check *check,
                                                 const struct git_attr *attr);
@@ -65,6 +73,9 @@ enum git_attr_direction {
        GIT_ATTR_CHECKOUT,
        GIT_ATTR_INDEX
 };
-void git_attr_set_direction(enum git_attr_direction, struct index_state *);
+void git_attr_set_direction(enum git_attr_direction new_direction,
+                           struct index_state *istate);
+
+extern void attr_start(void);
 
 #endif /* ATTR_H */