cvsimport: perform string comparison on "HEAD"

[git.git] / diff.h

diff --git a/diff.h b/diff.h
index 24df908..9f0852d 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -4,28 +4,62 @@
 #ifndef DIFF_H
 #define DIFF_H
 
-/* These two are for backward compatibility with show-diff;
- * new users should not use them.
- */
-extern void show_differences(const struct cache_entry *ce, int reverse);
-extern void show_diff_empty(const struct cache_entry *ce, int reverse);
-
-struct diff_spec {
-       union {
-               const char *name;       /* path on the filesystem */
-               unsigned char sha1[20]; /* blob object ID */
-       } u;
-       unsigned short mode;     /* file mode */
-       unsigned sha1_valid : 1; /* if true, use u.sha1 and trust mode.
-                                 * (however with a NULL SHA1, read them
-                                 * from the file!).
-                                 * if false, use u.name and read mode from
-                                 * the filesystem.
-                                 */
-       unsigned file_valid : 1; /* if false the file does not even exist */
-};
-
-extern void run_external_diff(const char *name,
-                             struct diff_spec *, struct diff_spec *);
+#define DIFF_FILE_CANON_MODE(mode) \
+       (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \
+       S_ISLNK(mode) ? S_IFLNK : S_IFDIR)
+
+extern void diff_addremove(int addremove,
+                          unsigned mode,
+                          const unsigned char *sha1,
+                          const char *base,
+                          const char *path);
+
+extern void diff_change(unsigned mode1, unsigned mode2,
+                            const unsigned char *sha1,
+                            const unsigned char *sha2,
+                            const char *base, const char *path);
+
+extern void diff_helper_input(unsigned mode1,
+                             unsigned mode2,
+                             const unsigned char *sha1,
+                             const unsigned char *sha2,
+                             const char *path1,
+                             int status,
+                             int score,
+                             const char *path2);
+
+extern void diff_unmerge(const char *path);
+
+extern int diff_scoreopt_parse(const char *opt);
+
+#define DIFF_SETUP_REVERSE             1
+#define DIFF_SETUP_USE_CACHE           2
+#define DIFF_SETUP_USE_SIZE_CACHE      4
+
+extern void diff_setup(int flags);
+
+#define DIFF_DETECT_RENAME     1
+#define DIFF_DETECT_COPY       2
+
+#define DIFF_PICKAXE_ALL       1
+
+extern void diffcore_std(const char **paths,
+                        int detect_rename, int rename_score,
+                        const char *pickaxe, int pickaxe_opts,
+                        int break_opt,
+                        const char *orderfile, const char *filter);
+
+extern void diffcore_std_no_resolve(const char **paths,
+                                   const char *pickaxe, int pickaxe_opts,
+                                   const char *orderfile, const char *filter);
+
+extern int diff_queue_is_empty(void);
+
+#define DIFF_FORMAT_HUMAN      0
+#define DIFF_FORMAT_MACHINE    1
+#define DIFF_FORMAT_PATCH      2
+#define DIFF_FORMAT_NO_OUTPUT  3
+
+extern void diff_flush(int output_style);
 
 #endif /* DIFF_H */