Merge branch 'ab/grep-preparatory-cleanup' into sb/submodule-blanket-recursive

diff --git a/diff.h b/diff.h
index 37e43bc537fac4044d528a64f2dd7fd26a7353af..5be1ee77a759f330db4ace64a5772f23e3d19d50 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -14,7 +14,7 @@ struct diff_queue_struct;
 struct strbuf;
 struct diff_filespec;
 struct userdiff_driver;
-struct sha1_array;
+struct oid_array;
 struct commit;
 struct combine_diff_path;
 
@@ -83,7 +83,6 @@ typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data)
 #define DIFF_OPT_DIRSTAT_BY_FILE     (1 << 20)
 #define DIFF_OPT_ALLOW_TEXTCONV      (1 << 21)
 #define DIFF_OPT_DIFF_FROM_CONTENTS  (1 << 22)
-#define DIFF_OPT_SUBMODULE_LOG       (1 << 23)
 #define DIFF_OPT_DIRTY_SUBMODULES    (1 << 24)
 #define DIFF_OPT_IGNORE_UNTRACKED_IN_SUBMODULES (1 << 25)
 #define DIFF_OPT_IGNORE_DIRTY_SUBMODULES (1 << 26)
@@ -91,6 +90,7 @@ typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data)
 #define DIFF_OPT_DIRSTAT_BY_LINE     (1 << 28)
 #define DIFF_OPT_FUNCCONTEXT         (1 << 29)
 #define DIFF_OPT_PICKAXE_IGNORE_CASE (1 << 30)
+#define DIFF_OPT_DEFAULT_FOLLOW_RENAMES (1U << 31)
 
 #define DIFF_OPT_TST(opts, flag)    ((opts)->flags & DIFF_OPT_##flag)
 #define DIFF_OPT_TOUCHED(opts, flag)    ((opts)->touched_flags & DIFF_OPT_##flag)
@@ -109,11 +109,19 @@ enum diff_words_type {
        DIFF_WORDS_COLOR
 };
 
+enum diff_submodule_format {
+       DIFF_SUBMODULE_SHORT = 0,
+       DIFF_SUBMODULE_LOG,
+       DIFF_SUBMODULE_INLINE_DIFF
+};
+
 struct diff_options {
        const char *orderfile;
        const char *pickaxe;
        const char *single_follow;
        const char *a_prefix, *b_prefix;
+       const char *line_prefix;
+       size_t line_prefix_length;
        unsigned flags;
        unsigned touched_flags;
 
@@ -138,6 +146,7 @@ struct diff_options {
        int dirstat_permille;
        int setup;
        int abbrev;
+       int ita_invisible_in_index;
 /* white-space error highlighting */
 #define WSEH_NEW 1
 #define WSEH_CONTEXT 2
@@ -154,6 +163,7 @@ struct diff_options {
        int stat_count;
        const char *word_regex;
        enum diff_words_type word_diff;
+       enum diff_submodule_format submodule_format;
 
        /* this is set by diffcore for DIFF_FORMAT_PATCH */
        int found_changes;
@@ -173,7 +183,6 @@ struct diff_options {
        diff_format_fn_t format_callback;
        void *format_callback_data;
        diff_prefix_fn_t output_prefix;
-       int output_prefix_length;
        void *output_prefix_data;
 
        int diff_path_counter;
@@ -227,7 +236,7 @@ struct combine_diff_path {
 extern void show_combined_diff(struct combine_diff_path *elem, int num_parent,
                              int dense, struct rev_info *);
 
-extern void diff_tree_combined(const unsigned char *sha1, const struct sha1_array *parents, int dense, struct rev_info *rev);
+extern void diff_tree_combined(const unsigned char *sha1, const struct oid_array *parents, int dense, struct rev_info *rev);
 
 extern void diff_tree_combined_merge(const struct commit *commit, int dense, struct rev_info *rev);
 
@@ -265,9 +274,11 @@ extern int parse_long_opt(const char *opt, const char **argv,
                         const char **optarg);
 
 extern int git_diff_basic_config(const char *var, const char *value, void *cb);
+extern int git_diff_heuristic_config(const char *var, const char *value, void *cb);
+extern void init_diff_ui_defaults(void);
 extern int git_diff_ui_config(const char *var, const char *value, void *cb);
 extern void diff_setup(struct diff_options *);
-extern int diff_opt_parse(struct diff_options *, const char **, int);
+extern int diff_opt_parse(struct diff_options *, const char **, int, const char *);
 extern void diff_setup_done(struct diff_options *);
 
 #define DIFF_DETECT_RENAME     1
@@ -330,7 +341,11 @@ extern void diff_warn_rename_limit(const char *varname, int needed, int degraded
 #define DIFF_STATUS_FILTER_AON         '*'
 #define DIFF_STATUS_FILTER_BROKEN      'B'
 
-extern const char *diff_unique_abbrev(const unsigned char *, int);
+/*
+ * This is different from find_unique_abbrev() in that
+ * it stuffs the result with dots for alignment.
+ */
+extern const char *diff_aligned_abbrev(const struct object_id *sha1, int);
 
 /* do not report anything on removed paths */
 #define DIFF_SILENT_ON_REMOVED 01
@@ -340,18 +355,34 @@ extern int run_diff_files(struct rev_info *revs, unsigned int option);
 extern int run_diff_index(struct rev_info *revs, int cached);
 
 extern int do_diff_cache(const unsigned char *, struct diff_options *);
-extern int diff_flush_patch_id(struct diff_options *, unsigned char *);
+extern int diff_flush_patch_id(struct diff_options *, unsigned char *, int);
 
 extern int diff_result_code(struct diff_options *, int);
 
-extern void diff_no_index(struct rev_info *, int, const char **, const char *);
+extern void diff_no_index(struct rev_info *, int, const char **);
 
-extern int index_differs_from(const char *def, int diff_flags);
+extern int index_differs_from(const char *def, int diff_flags, int ita_invisible_in_index);
 
+/*
+ * Fill the contents of the filespec "df", respecting any textconv defined by
+ * its userdiff driver.  The "driver" parameter must come from a
+ * previous call to get_textconv(), and therefore should either be NULL or have
+ * textconv enabled.
+ *
+ * Note that the memory ownership of the resulting buffer depends on whether
+ * the driver field is NULL. If it is, then the memory belongs to the filespec
+ * struct. If it is non-NULL, then "outbuf" points to a newly allocated buffer
+ * that should be freed by the caller.
+ */
 extern size_t fill_textconv(struct userdiff_driver *driver,
                            struct diff_filespec *df,
                            char **outbuf);
 
+/*
+ * Look up the userdiff driver for the given filespec, and return it if
+ * and only if it has textconv enabled (otherwise return NULL). The result
+ * can be passed to fill_textconv().
+ */
 extern struct userdiff_driver *get_textconv(struct diff_filespec *one);
 
 extern int parse_rename_score(const char **cp_p);