auto-detect changed prefix and/or changed build flags

diff --git a/diff.h b/diff.h
index 5696f2aff0644f331507679e0a58d7fcdc3501ec..4fc597c59421b7558e0beb0f2994e15950592aaa 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -4,15 +4,9 @@
 #ifndef DIFF_H
 #define DIFF_H
 
-#define DIFF_FILE_CANON_MODE(mode) \
-       (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \
-       S_ISLNK(mode) ? S_IFLNK : S_IFDIR)
-
-struct tree_desc {
-       void *buf;
-       unsigned long size;
-};
+#include "tree-walk.h"
 
+struct rev_info;
 struct diff_options;
 
 typedef void (*change_fn_t)(struct diff_options *options,
@@ -27,16 +21,21 @@ typedef void (*add_remove_fn_t)(struct diff_options *options,
                    const char *base, const char *path);
 
 struct diff_options {
-       const char **paths;
        const char *filter;
        const char *orderfile;
        const char *pickaxe;
        unsigned recursive:1,
+                with_raw:1,
+                with_stat:1,
                 tree_in_recursive:1,
-                full_index:1;
+                binary:1,
+                full_index:1,
+                silent_on_remove:1,
+                find_copies_harder:1,
+                summary:1;
+       int context;
        int break_opt;
        int detect_rename;
-       int find_copies_harder;
        int line_termination;
        int output_format;
        int pickaxe_opts;
@@ -45,17 +44,47 @@ struct diff_options {
        int rename_limit;
        int setup;
        int abbrev;
+       const char *stat_sep;
 
+       int nr_paths;
+       const char **paths;
+       int *pathlens;
        change_fn_t change;
        add_remove_fn_t add_remove;
 };
 
-extern void diff_tree_setup_paths(const char **paths);
+extern const char mime_boundary_leader[];
+
+extern void diff_tree_setup_paths(const char **paths, struct diff_options *);
+extern void diff_tree_release_paths(struct diff_options *);
 extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2,
                     const char *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);
 
+struct combine_diff_path {
+       struct combine_diff_path *next;
+       int len;
+       char *path;
+       unsigned int mode;
+       unsigned char sha1[20];
+       struct combine_diff_parent {
+               char status;
+               unsigned int mode;
+               unsigned char sha1[20];
+       } parent[FLEX_ARRAY];
+};
+#define combine_diff_path_size(n, l) \
+       (sizeof(struct combine_diff_path) + \
+        sizeof(struct combine_diff_parent) * (n) + (l) + 1)
+
+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 unsigned char parent[][20], int num_parent, int dense, struct rev_info *rev);
+
+extern void diff_tree_combined_merge(const unsigned char *sha1, int, struct rev_info *);
+
 extern void diff_addremove(struct diff_options *,
                           int addremove,
                           unsigned mode,
@@ -87,9 +116,7 @@ extern int diff_setup_done(struct diff_options *);
 #define DIFF_DETECT_COPY       2
 
 #define DIFF_PICKAXE_ALL       1
-
-#define DIFF_DEFAULT_INDEX_ABBREV      7 /* hex digits */
-#define DIFF_DEFAULT_ABBREV    7 /* hex digits */
+#define DIFF_PICKAXE_REGEX     2
 
 extern void diffcore_std(struct diff_options *);
 
@@ -100,6 +127,11 @@ extern void diffcore_std_no_resolve(struct diff_options *);
 "  -z            output diff-raw with lines terminated with NUL.\n" \
 "  -p            output patch format.\n" \
 "  -u            synonym for -p.\n" \
+"  --patch-with-raw\n" \
+"                output both a patch and the diff-raw format.\n" \
+"  --stat        show diffstat instead of patch.\n" \
+"  --patch-with-stat\n" \
+"                output a patch and prepend its diffstat.\n" \
 "  --name-only   show only names of changed files.\n" \
 "  --name-status show names and status of changed files.\n" \
 "  --full-index  show full object name on index lines.\n" \
@@ -123,6 +155,8 @@ extern int diff_queue_is_empty(void);
 #define DIFF_FORMAT_NO_OUTPUT  3
 #define DIFF_FORMAT_NAME       4
 #define DIFF_FORMAT_NAME_STATUS        5
+#define DIFF_FORMAT_DIFFSTAT   6
+#define DIFF_FORMAT_CHECKDIFF  7
 
 extern void diff_flush(struct diff_options*);
 
@@ -144,4 +178,8 @@ extern void diff_flush(struct diff_options*);
 
 extern const char *diff_unique_abbrev(const unsigned char *, int);
 
+extern int run_diff_files(struct rev_info *revs, int silent_on_removed);
+
+extern int run_diff_index(struct rev_info *revs, int cached);
+
 #endif /* DIFF_H */