apply.c:update_pre_post_images(): the preimage can be truncated

diff --git a/diff.h b/diff.h
index e9e3d44c674a39bb1912ca366ca12512dfb4d2c7..e25addb806a190f138a14ca64190fa5d2f311aaa 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -19,12 +19,14 @@ typedef void (*change_fn_t)(struct diff_options *options,
                 unsigned old_mode, unsigned new_mode,
                 const unsigned char *old_sha1,
                 const unsigned char *new_sha1,
+                int old_sha1_valid, int new_sha1_valid,
                 const char *fullpath,
                 unsigned old_dirty_submodule, unsigned new_dirty_submodule);
 
 typedef void (*add_remove_fn_t)(struct diff_options *options,
                    int addremove, unsigned mode,
                    const unsigned char *sha1,
+                   int sha1_valid,
                    const char *fullpath, unsigned dirty_submodule);
 
 typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
@@ -60,7 +62,7 @@ typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data)
 #define DIFF_OPT_SILENT_ON_REMOVE    (1 <<  5)
 #define DIFF_OPT_FIND_COPIES_HARDER  (1 <<  6)
 #define DIFF_OPT_FOLLOW_RENAMES      (1 <<  7)
-/* (1 <<  8) unused */
+#define DIFF_OPT_RENAME_EMPTY        (1 <<  8)
 /* (1 <<  9) unused */
 #define DIFF_OPT_HAS_CHANGES         (1 << 10)
 #define DIFF_OPT_QUICK               (1 << 11)
@@ -152,6 +154,7 @@ 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;
 };
 
@@ -213,12 +216,15 @@ extern void diff_addremove(struct diff_options *,
                           int addremove,
                           unsigned mode,
                           const unsigned char *sha1,
+                          int sha1_valid,
                           const char *fullpath, unsigned dirty_submodule);
 
 extern void diff_change(struct diff_options *,
                        unsigned mode1, unsigned mode2,
                        const unsigned char *sha1,
                        const unsigned char *sha2,
+                       int sha1_valid,
+                       int sha2_valid,
                        const char *fullpath,
                        unsigned dirty_submodule1, unsigned dirty_submodule2);
 
@@ -240,7 +246,7 @@ extern int git_diff_ui_config(const char *var, const char *value, void *cb);
 extern int diff_use_color_default;
 extern void diff_setup(struct diff_options *);
 extern int diff_opt_parse(struct diff_options *, const char **, int);
-extern int diff_setup_done(struct diff_options *);
+extern void diff_setup_done(struct diff_options *);
 
 #define DIFF_DETECT_RENAME     1
 #define DIFF_DETECT_COPY       2