diff.h

   1 /*
   2  * Copyright (C) 2005 Junio C Hamano
   3  */
   4 #ifndef DIFF_H
   5 #define DIFF_H
   6
   7 extern void diff_addremove(int addremove,
   8                            unsigned mode,
   9                            const unsigned char *sha1,
  10                            const char *base,
  11                            const char *path);
  12
  13 extern void diff_change(unsigned mode1, unsigned mode2,
  14                              const unsigned char *sha1,
  15                              const unsigned char *sha2,
  16                              const char *base, const char *path);
  17
  18 extern void diff_unmerge(const char *path);
  19
  20 /* These are for diff-tree-helper */
  21
  22 struct diff_spec {
  23         union {
  24                 const char *name;       /* path on the filesystem */
  25                 unsigned char sha1[20]; /* blob object ID */
  26         } u;
  27         unsigned short mode;     /* file mode */
  28         unsigned sha1_valid : 1; /* if true, use u.sha1 and trust mode.
  29                                   * (however with a NULL SHA1, read them
  30                                   * from the file!).
  31                                   * if false, use u.name and read mode from
  32                                   * the filesystem.
  33                                   */
  34         unsigned file_valid : 1; /* if false the file does not even exist */
  35 };
  36
  37 extern void run_external_diff(const char *name,
  38                               struct diff_spec *, struct diff_spec *);
  39
  40 #endif /* DIFF_H */