t/README: Document GIT_TEST_INSTALLED and GIT_TEST_EXEC_PATH

diff --git a/diff.h b/diff.h
index 42582edee68a4a4717ae5debebf37e6b9610fc8f..2740421cfe9985a57f61855dc6372e8402231e0e 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -66,9 +66,15 @@ typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
 #define DIFF_OPT_DIRSTAT_CUMULATIVE  (1 << 19)
 #define DIFF_OPT_DIRSTAT_BY_FILE     (1 << 20)
 #define DIFF_OPT_ALLOW_TEXTCONV      (1 << 21)
+
+#define DIFF_OPT_SUBMODULE_LOG       (1 << 23)
+
 #define DIFF_OPT_TST(opts, flag)    ((opts)->flags & DIFF_OPT_##flag)
 #define DIFF_OPT_SET(opts, flag)    ((opts)->flags |= DIFF_OPT_##flag)
 #define DIFF_OPT_CLR(opts, flag)    ((opts)->flags &= ~DIFF_OPT_##flag)
+#define DIFF_XDL_TST(opts, flag)    ((opts)->xdl_opts & XDF_##flag)
+#define DIFF_XDL_SET(opts, flag)    ((opts)->xdl_opts |= XDF_##flag)
+#define DIFF_XDL_CLR(opts, flag)    ((opts)->xdl_opts &= ~XDF_##flag)
 
 struct diff_options {
        const char *filter;
@@ -78,6 +84,7 @@ struct diff_options {
        const char *a_prefix, *b_prefix;
        unsigned flags;
        int context;
+       int interhunkcontext;
        int break_opt;
        int detect_rename;
        int skip_stat_unmatch;
@@ -97,6 +104,7 @@ struct diff_options {
 
        int stat_width;
        int stat_name_width;
+       const char *word_regex;
 
        /* this is set by diffcore for DIFF_FORMAT_PATCH */
        int found_changes;
@@ -263,4 +271,6 @@ extern int diff_result_code(struct diff_options *, int);
 
 extern void diff_no_index(struct rev_info *, int, const char **, int, const char *);
 
+extern int index_differs_from(const char *def, int diff_flags);
+
 #endif /* DIFF_H */