builtin/show-branch: rewrite functions to work with object_id

diff --git a/diff.h b/diff.h
index ce123fa06fee6fb6e5e76d6a92ea8284a5bbbcf1..f6fdf49e14b7c0e2997e7516275013555555e908 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -6,6 +6,7 @@
 
 #include "tree-walk.h"
 #include "pathspec.h"
+#include "object.h"
 
 struct rev_info;
 struct diff_options;
@@ -15,6 +16,10 @@ struct diff_filespec;
 struct userdiff_driver;
 struct sha1_array;
 struct commit;
+struct combine_diff_path;
+
+typedef int (*pathchange_fn_t)(struct diff_options *options,
+                struct combine_diff_path *path);
 
 typedef void (*change_fn_t)(struct diff_options *options,
                 unsigned old_mode, unsigned new_mode,
@@ -157,6 +162,7 @@ struct diff_options {
        int close_file;
 
        struct pathspec pathspec;
+       pathchange_fn_t pathchange;
        change_fn_t change;
        add_remove_fn_t add_remove;
        diff_format_fn_t format_callback;
@@ -189,8 +195,10 @@ const char *diff_line_prefix(struct diff_options *);
 
 extern const char mime_boundary_leader[];
 
-extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2,
-                    const char *base, struct diff_options *opt);
+extern struct combine_diff_path *diff_tree_paths(
+       struct combine_diff_path *p, const unsigned char *sha1,
+       const unsigned char **parent_sha1, int nparent,
+       struct strbuf *base, struct diff_options *opt);
 extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new,
                          const char *base, struct diff_options *opt);
 extern int diff_root_tree_sha1(const unsigned char *new, const char *base,
@@ -198,14 +206,13 @@ extern int diff_root_tree_sha1(const unsigned char *new, const char *base,
 
 struct combine_diff_path {
        struct combine_diff_path *next;
-       int len;
        char *path;
        unsigned int mode;
-       unsigned char sha1[20];
+       struct object_id oid;
        struct combine_diff_parent {
                char status;
                unsigned int mode;
-               unsigned char sha1[20];
+               struct object_id oid;
        } parent[FLEX_ARRAY];
 };
 #define combine_diff_path_size(n, l) \
@@ -346,8 +353,6 @@ extern int parse_rename_score(const char **cp_p);
 
 extern long parse_algorithm_value(const char *value);
 
-extern void handle_deprecated_show_diff_q(struct diff_options *);
-
 extern int print_stat_summary(FILE *fp, int files,
                              int insertions, int deletions);
 extern void setup_diff_pager(struct diff_options *);