| /* |
| * Copyright (C) 2005 Junio C Hamano |
| */ |
| #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; |
| }; |
| |
| struct diff_options; |
| |
| typedef void (*change_fn_t)(struct diff_options *options, |
| unsigned old_mode, unsigned new_mode, |
| const unsigned char *old_sha1, |
| const unsigned char *new_sha1, |
| const char *base, const char *path); |
| |
| typedef void (*add_remove_fn_t)(struct diff_options *options, |
| int addremove, unsigned mode, |
| const unsigned char *sha1, |
| const char *base, const char *path); |
| |
| struct diff_options { |
| const char **paths; |
| const char *filter; |
| const char *orderfile; |
| const char *pickaxe; |
| unsigned recursive:1, |
| tree_in_recursive:1, |
| full_index:1; |
| int break_opt; |
| int detect_rename; |
| int find_copies_harder; |
| int line_termination; |
| int output_format; |
| int pickaxe_opts; |
| int rename_score; |
| int reverse_diff; |
| int rename_limit; |
| int setup; |
| int abbrev; |
| |
| change_fn_t change; |
| add_remove_fn_t add_remove; |
| }; |
| |
| extern void diff_tree_setup_paths(const char **paths); |
| 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); |
| |
| extern void diff_addremove(struct diff_options *, |
| int addremove, |
| unsigned mode, |
| const unsigned char *sha1, |
| const char *base, |
| const char *path); |
| |
| extern void diff_change(struct diff_options *, |
| unsigned mode1, unsigned mode2, |
| const unsigned char *sha1, |
| const unsigned char *sha2, |
| const char *base, const char *path); |
| |
| extern void diff_unmerge(struct diff_options *, |
| 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 int git_diff_config(const char *var, const char *value); |
| extern void diff_setup(struct diff_options *); |
| extern int diff_opt_parse(struct diff_options *, const char **, int); |
| extern int diff_setup_done(struct diff_options *); |
| |
| #define DIFF_DETECT_RENAME 1 |
| #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 */ |
| |
| extern void diffcore_std(struct diff_options *); |
| |
| extern void diffcore_std_no_resolve(struct diff_options *); |
| |
| #define COMMON_DIFF_OPTIONS_HELP \ |
| "\ncommon diff options:\n" \ |
| " -z output diff-raw with lines terminated with NUL.\n" \ |
| " -p output patch format.\n" \ |
| " -u synonym for -p.\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" \ |
| " --abbrev=<n> abbreviate object names in diff-tree header and diff-raw.\n" \ |
| " -R swap input file pairs.\n" \ |
| " -B detect complete rewrites.\n" \ |
| " -M detect renames.\n" \ |
| " -C detect copies.\n" \ |
| " --find-copies-harder\n" \ |
| " try unchanged files as candidate for copy detection.\n" \ |
| " -l<n> limit rename attempts up to <n> paths.\n" \ |
| " -O<file> reorder diffs according to the <file>.\n" \ |
| " -S<string> find filepair whose only one side contains the string.\n" \ |
| " --pickaxe-all\n" \ |
| " show all files diff when -S is used and hit is found.\n" |
| |
| extern int diff_queue_is_empty(void); |
| |
| #define DIFF_FORMAT_RAW 1 |
| #define DIFF_FORMAT_PATCH 2 |
| #define DIFF_FORMAT_NO_OUTPUT 3 |
| #define DIFF_FORMAT_NAME 4 |
| #define DIFF_FORMAT_NAME_STATUS 5 |
| |
| extern void diff_flush(struct diff_options*); |
| |
| /* diff-raw status letters */ |
| #define DIFF_STATUS_ADDED 'A' |
| #define DIFF_STATUS_COPIED 'C' |
| #define DIFF_STATUS_DELETED 'D' |
| #define DIFF_STATUS_MODIFIED 'M' |
| #define DIFF_STATUS_RENAMED 'R' |
| #define DIFF_STATUS_TYPE_CHANGED 'T' |
| #define DIFF_STATUS_UNKNOWN 'X' |
| #define DIFF_STATUS_UNMERGED 'U' |
| |
| /* these are not diff-raw status letters proper, but used by |
| * diffcore-filter insn to specify additional restrictions. |
| */ |
| #define DIFF_STATUS_FILTER_AON '*' |
| #define DIFF_STATUS_FILTER_BROKEN 'B' |
| |
| extern const char *diff_unique_abbrev(const unsigned char *, int); |
| |
| #endif /* DIFF_H */ |