[PATCH] Update tags to record who made them
[git.git] / 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_helper_input(unsigned mode1,
23                               unsigned mode2,
24                               const unsigned char *sha1,
25                               const unsigned char *sha2,
26                               const char *path1,
27                               int status,
28                               int score,
29                               const char *path2);
30
31 extern void diff_unmerge(const char *path);
32
33 extern int diff_scoreopt_parse(const char *opt);
34
35 #define DIFF_SETUP_REVERSE              1
36 #define DIFF_SETUP_USE_CACHE            2
37 #define DIFF_SETUP_USE_SIZE_CACHE       4
38
39 extern void diff_setup(int flags);
40
41 #define DIFF_DETECT_RENAME      1
42 #define DIFF_DETECT_COPY        2
43
44 #define DIFF_PICKAXE_ALL        1
45
46 extern void diffcore_std(const char **paths,
47                          int detect_rename, int rename_score,
48                          const char *pickaxe, int pickaxe_opts,
49                          int break_opt,
50                          const char *orderfile, const char *filter);
51
52 extern void diffcore_std_no_resolve(const char **paths,
53                                     const char *pickaxe, int pickaxe_opts,
54                                     const char *orderfile, const char *filter);
55
56 #define COMMON_DIFF_OPTIONS_HELP \
57 "\ncommon diff options:\n" \
58 "  -r           diff recursively (only meaningful in diff-tree)\n" \
59 "  -z           output diff-raw with lines terminated with NUL.\n" \
60 "  -p           output patch format.\n" \
61 "  -u           synonym for -p.\n" \
62 "  --name-only  show only names of changed files.\n" \
63 "  --name-only-z\n" \
64 "               same as --name-only but terminate lines with NUL.\n" \
65 "  -R           swap input file pairs.\n" \
66 "  -B           detect complete rewrites.\n" \
67 "  -M           detect renames.\n" \
68 "  -C           detect copies.\n" \
69 "  --find-copies-harder\n" \
70 "               try unchanged files as candidate for copy detection.\n" \
71 "  -O<file>     reorder diffs according to the <file>.\n" \
72 "  -S<string>   find filepair whose only one side contains the string.\n" \
73 "  --pickaxe-all\n" \
74 "               show all files diff when -S is used and hit is found.\n"
75
76 extern int diff_queue_is_empty(void);
77
78 #define DIFF_FORMAT_RAW         1
79 #define DIFF_FORMAT_PATCH       2
80 #define DIFF_FORMAT_NO_OUTPUT   3
81 #define DIFF_FORMAT_NAME        4
82
83 extern void diff_flush(int output_style, int line_terminator);
84
85 #endif /* DIFF_H */