diff.h

   1 /*
   2  * Copyright (C) 2005 Junio C Hamano
   3  */
   4 #ifndef DIFF_H
   5 #define DIFF_H
   6
   7 #define DIFF_FILE_CANON_MODE(mode) \
   8         (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \
   9         S_ISLNK(mode) ? S_IFLNK : S_IFDIR)
  10
  11 extern void diff_addremove(int addremove,
  12                            unsigned mode,
  13                            const unsigned char *sha1,
  14                            const char *base,
  15                            const char *path);
  16
  17 extern void diff_change(unsigned mode1, unsigned mode2,
  18                              const unsigned char *sha1,
  19                              const unsigned char *sha2,
  20                              const char *base, const char *path);
  21
  22 extern void diff_unmerge(const char *path);
  23
  24 extern int diff_scoreopt_parse(const char *opt);
  25
  26 #define DIFF_SETUP_REVERSE              1
  27 #define DIFF_SETUP_USE_CACHE            2
  28 #define DIFF_SETUP_USE_SIZE_CACHE       4
  29
  30 extern void diff_setup(int flags);
  31
  32 #define DIFF_DETECT_RENAME      1
  33 #define DIFF_DETECT_COPY        2
  34
  35 #define DIFF_PICKAXE_ALL        1
  36
  37 extern void diffcore_std(const char **paths,
  38                          int detect_rename, int rename_score,
  39                          const char *pickaxe, int pickaxe_opts,
  40                          int break_opt,
  41                          const char *orderfile, const char *filter);
  42
  43 extern void diffcore_std_no_resolve(const char **paths,
  44                                     const char *pickaxe, int pickaxe_opts,
  45                                     const char *orderfile, const char *filter);
  46
  47 #define COMMON_DIFF_OPTIONS_HELP \
  48 "\ncommon diff options:\n" \
  49 "  -r           diff recursively (only meaningful in diff-tree)\n" \
  50 "  -z           output diff-raw with lines terminated with NUL.\n" \
  51 "  -p           output patch format.\n" \
  52 "  -u           synonym for -p.\n" \
  53 "  --name-only  show only names of changed files.\n" \
  54 "  --name-only-z\n" \
  55 "               same as --name-only but terminate lines with NUL.\n" \
  56 "  -R           swap input file pairs.\n" \
  57 "  -B           detect complete rewrites.\n" \
  58 "  -M           detect renames.\n" \
  59 "  -C           detect copies.\n" \
  60 "  --find-copies-harder\n" \
  61 "               try unchanged files as candidate for copy detection.\n" \
  62 "  -O<file>     reorder diffs according to the <file>.\n" \
  63 "  -S<string>   find filepair whose only one side contains the string.\n" \
  64 "  --pickaxe-all\n" \
  65 "               show all files diff when -S is used and hit is found.\n"
  66
  67 extern int diff_queue_is_empty(void);
  68
  69 #define DIFF_FORMAT_RAW         1
  70 #define DIFF_FORMAT_PATCH       2
  71 #define DIFF_FORMAT_NO_OUTPUT   3
  72 #define DIFF_FORMAT_NAME        4
  73
  74 extern void diff_flush(int output_style, int line_terminator);
  75
  76 /* diff-raw status letters */
  77 #define DIFF_STATUS_ADDED               'A'
  78 #define DIFF_STATUS_COPIED              'C'
  79 #define DIFF_STATUS_DELETED             'D'
  80 #define DIFF_STATUS_MODIFIED            'M'
  81 #define DIFF_STATUS_RENAMED             'R'
  82 #define DIFF_STATUS_TYPE_CHANGED        'T'
  83 #define DIFF_STATUS_UNKNOWN             'X'
  84 #define DIFF_STATUS_UNMERGED            'U'
  85
  86 /* these are not diff-raw status letters proper, but used by
  87  * diffcore-filter insn to specify additional restrictions.
  88  */
  89 #define DIFF_STATUS_FILTER_AON          'A'
  90 #define DIFF_STATUS_FILTER_BROKEN       'B'
  91
  92 #endif /* DIFF_H */