mirror of
https://github.com/git/git
synced 2024-10-29 17:08:46 +00:00
339 lines
11 KiB
C
339 lines
11 KiB
C
/*
|
|
* Copyright (C) 2005 Junio C Hamano
|
|
*/
|
|
#ifndef DIFF_H
|
|
#define DIFF_H
|
|
|
|
#include "tree-walk.h"
|
|
|
|
struct rev_info;
|
|
struct diff_options;
|
|
struct diff_queue_struct;
|
|
struct strbuf;
|
|
struct diff_filespec;
|
|
struct userdiff_driver;
|
|
struct sha1_array;
|
|
struct commit;
|
|
|
|
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,
|
|
int old_sha1_valid, int new_sha1_valid,
|
|
const char *fullpath,
|
|
unsigned old_dirty_submodule, unsigned new_dirty_submodule);
|
|
|
|
typedef void (*add_remove_fn_t)(struct diff_options *options,
|
|
int addremove, unsigned mode,
|
|
const unsigned char *sha1,
|
|
int sha1_valid,
|
|
const char *fullpath, unsigned dirty_submodule);
|
|
|
|
typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
|
|
struct diff_options *options, void *data);
|
|
|
|
typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data);
|
|
|
|
#define DIFF_FORMAT_RAW 0x0001
|
|
#define DIFF_FORMAT_DIFFSTAT 0x0002
|
|
#define DIFF_FORMAT_NUMSTAT 0x0004
|
|
#define DIFF_FORMAT_SUMMARY 0x0008
|
|
#define DIFF_FORMAT_PATCH 0x0010
|
|
#define DIFF_FORMAT_SHORTSTAT 0x0020
|
|
#define DIFF_FORMAT_DIRSTAT 0x0040
|
|
|
|
/* These override all above */
|
|
#define DIFF_FORMAT_NAME 0x0100
|
|
#define DIFF_FORMAT_NAME_STATUS 0x0200
|
|
#define DIFF_FORMAT_CHECKDIFF 0x0400
|
|
|
|
/* Same as output_format = 0 but we know that -s flag was given
|
|
* and we should not give default value to output_format.
|
|
*/
|
|
#define DIFF_FORMAT_NO_OUTPUT 0x0800
|
|
|
|
#define DIFF_FORMAT_CALLBACK 0x1000
|
|
|
|
#define DIFF_OPT_RECURSIVE (1 << 0)
|
|
#define DIFF_OPT_TREE_IN_RECURSIVE (1 << 1)
|
|
#define DIFF_OPT_BINARY (1 << 2)
|
|
#define DIFF_OPT_TEXT (1 << 3)
|
|
#define DIFF_OPT_FULL_INDEX (1 << 4)
|
|
#define DIFF_OPT_SILENT_ON_REMOVE (1 << 5)
|
|
#define DIFF_OPT_FIND_COPIES_HARDER (1 << 6)
|
|
#define DIFF_OPT_FOLLOW_RENAMES (1 << 7)
|
|
#define DIFF_OPT_RENAME_EMPTY (1 << 8)
|
|
/* (1 << 9) unused */
|
|
#define DIFF_OPT_HAS_CHANGES (1 << 10)
|
|
#define DIFF_OPT_QUICK (1 << 11)
|
|
#define DIFF_OPT_NO_INDEX (1 << 12)
|
|
#define DIFF_OPT_ALLOW_EXTERNAL (1 << 13)
|
|
#define DIFF_OPT_EXIT_WITH_STATUS (1 << 14)
|
|
#define DIFF_OPT_REVERSE_DIFF (1 << 15)
|
|
#define DIFF_OPT_CHECK_FAILED (1 << 16)
|
|
#define DIFF_OPT_RELATIVE_NAME (1 << 17)
|
|
#define DIFF_OPT_IGNORE_SUBMODULES (1 << 18)
|
|
#define DIFF_OPT_DIRSTAT_CUMULATIVE (1 << 19)
|
|
#define DIFF_OPT_DIRSTAT_BY_FILE (1 << 20)
|
|
#define DIFF_OPT_ALLOW_TEXTCONV (1 << 21)
|
|
#define DIFF_OPT_DIFF_FROM_CONTENTS (1 << 22)
|
|
#define DIFF_OPT_SUBMODULE_LOG (1 << 23)
|
|
#define DIFF_OPT_DIRTY_SUBMODULES (1 << 24)
|
|
#define DIFF_OPT_IGNORE_UNTRACKED_IN_SUBMODULES (1 << 25)
|
|
#define DIFF_OPT_IGNORE_DIRTY_SUBMODULES (1 << 26)
|
|
#define DIFF_OPT_OVERRIDE_SUBMODULE_CONFIG (1 << 27)
|
|
#define DIFF_OPT_DIRSTAT_BY_LINE (1 << 28)
|
|
#define DIFF_OPT_FUNCCONTEXT (1 << 29)
|
|
#define DIFF_OPT_PICKAXE_IGNORE_CASE (1 << 30)
|
|
|
|
#define DIFF_OPT_TST(opts, flag) ((opts)->flags & DIFF_OPT_##flag)
|
|
#define DIFF_OPT_SET(opts, flag) ((opts)->flags |= DIFF_OPT_##flag)
|
|
#define DIFF_OPT_CLR(opts, flag) ((opts)->flags &= ~DIFF_OPT_##flag)
|
|
#define DIFF_XDL_TST(opts, flag) ((opts)->xdl_opts & XDF_##flag)
|
|
#define DIFF_XDL_SET(opts, flag) ((opts)->xdl_opts |= XDF_##flag)
|
|
#define DIFF_XDL_CLR(opts, flag) ((opts)->xdl_opts &= ~XDF_##flag)
|
|
|
|
#define DIFF_WITH_ALG(opts, flag) (((opts)->xdl_opts & ~XDF_DIFF_ALGORITHM_MASK) | XDF_##flag)
|
|
|
|
enum diff_words_type {
|
|
DIFF_WORDS_NONE = 0,
|
|
DIFF_WORDS_PORCELAIN,
|
|
DIFF_WORDS_PLAIN,
|
|
DIFF_WORDS_COLOR
|
|
};
|
|
|
|
struct diff_options {
|
|
const char *filter;
|
|
const char *orderfile;
|
|
const char *pickaxe;
|
|
const char *single_follow;
|
|
const char *a_prefix, *b_prefix;
|
|
unsigned flags;
|
|
int use_color;
|
|
int context;
|
|
int interhunkcontext;
|
|
int break_opt;
|
|
int detect_rename;
|
|
int irreversible_delete;
|
|
int skip_stat_unmatch;
|
|
int line_termination;
|
|
int output_format;
|
|
int pickaxe_opts;
|
|
int rename_score;
|
|
int rename_limit;
|
|
int needed_rename_limit;
|
|
int degraded_cc_to_c;
|
|
int show_rename_progress;
|
|
int dirstat_permille;
|
|
int setup;
|
|
int abbrev;
|
|
const char *prefix;
|
|
int prefix_length;
|
|
const char *stat_sep;
|
|
long xdl_opts;
|
|
|
|
int stat_width;
|
|
int stat_name_width;
|
|
int stat_graph_width;
|
|
int stat_count;
|
|
const char *word_regex;
|
|
enum diff_words_type word_diff;
|
|
|
|
/* this is set by diffcore for DIFF_FORMAT_PATCH */
|
|
int found_changes;
|
|
|
|
/* to support internal diff recursion by --follow hack*/
|
|
int found_follow;
|
|
|
|
FILE *file;
|
|
int close_file;
|
|
|
|
struct pathspec pathspec;
|
|
change_fn_t change;
|
|
add_remove_fn_t add_remove;
|
|
diff_format_fn_t format_callback;
|
|
void *format_callback_data;
|
|
diff_prefix_fn_t output_prefix;
|
|
int output_prefix_length;
|
|
void *output_prefix_data;
|
|
};
|
|
|
|
enum color_diff {
|
|
DIFF_RESET = 0,
|
|
DIFF_PLAIN = 1,
|
|
DIFF_METAINFO = 2,
|
|
DIFF_FRAGINFO = 3,
|
|
DIFF_FILE_OLD = 4,
|
|
DIFF_FILE_NEW = 5,
|
|
DIFF_COMMIT = 6,
|
|
DIFF_WHITESPACE = 7,
|
|
DIFF_FUNCINFO = 8
|
|
};
|
|
const char *diff_get_color(int diff_use_color, enum color_diff ix);
|
|
#define diff_get_color_opt(o, ix) \
|
|
diff_get_color((o)->use_color, ix)
|
|
|
|
|
|
extern const char mime_boundary_leader[];
|
|
|
|
extern void diff_tree_setup_paths(const char **paths, struct diff_options *);
|
|
extern void diff_tree_release_paths(struct diff_options *);
|
|
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 int diff_root_tree_sha1(const unsigned char *new, const char *base,
|
|
struct diff_options *opt);
|
|
|
|
struct combine_diff_path {
|
|
struct combine_diff_path *next;
|
|
int len;
|
|
char *path;
|
|
unsigned int mode;
|
|
unsigned char sha1[20];
|
|
struct combine_diff_parent {
|
|
char status;
|
|
unsigned int mode;
|
|
unsigned char sha1[20];
|
|
} parent[FLEX_ARRAY];
|
|
};
|
|
#define combine_diff_path_size(n, l) \
|
|
(sizeof(struct combine_diff_path) + \
|
|
sizeof(struct combine_diff_parent) * (n) + (l) + 1)
|
|
|
|
extern void show_combined_diff(struct combine_diff_path *elem, int num_parent,
|
|
int dense, struct rev_info *);
|
|
|
|
extern void diff_tree_combined(const unsigned char *sha1, const struct sha1_array *parents, int dense, struct rev_info *rev);
|
|
|
|
extern void diff_tree_combined_merge(const struct commit *commit, int dense, struct rev_info *rev);
|
|
|
|
void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const char *b);
|
|
|
|
extern int diff_can_quit_early(struct diff_options *);
|
|
|
|
extern void diff_addremove(struct diff_options *,
|
|
int addremove,
|
|
unsigned mode,
|
|
const unsigned char *sha1,
|
|
int sha1_valid,
|
|
const char *fullpath, unsigned dirty_submodule);
|
|
|
|
extern void diff_change(struct diff_options *,
|
|
unsigned mode1, unsigned mode2,
|
|
const unsigned char *sha1,
|
|
const unsigned char *sha2,
|
|
int sha1_valid,
|
|
int sha2_valid,
|
|
const char *fullpath,
|
|
unsigned dirty_submodule1, unsigned dirty_submodule2);
|
|
|
|
extern struct diff_filepair *diff_unmerge(struct diff_options *, const char *path);
|
|
|
|
#define DIFF_SETUP_REVERSE 1
|
|
#define DIFF_SETUP_USE_CACHE 2
|
|
#define DIFF_SETUP_USE_SIZE_CACHE 4
|
|
|
|
/*
|
|
* Poor man's alternative to parse-option, to allow both sticked form
|
|
* (--option=value) and separate form (--option value).
|
|
*/
|
|
extern int parse_long_opt(const char *opt, const char **argv,
|
|
const char **optarg);
|
|
|
|
extern int git_diff_basic_config(const char *var, const char *value, void *cb);
|
|
extern int git_diff_ui_config(const char *var, const char *value, void *cb);
|
|
extern void diff_setup(struct diff_options *);
|
|
extern int diff_opt_parse(struct diff_options *, const char **, int);
|
|
extern void diff_setup_done(struct diff_options *);
|
|
|
|
#define DIFF_DETECT_RENAME 1
|
|
#define DIFF_DETECT_COPY 2
|
|
|
|
#define DIFF_PICKAXE_ALL 1
|
|
#define DIFF_PICKAXE_REGEX 2
|
|
|
|
#define DIFF_PICKAXE_KIND_S 4 /* traditional plumbing counter */
|
|
#define DIFF_PICKAXE_KIND_G 8 /* grep in the patch */
|
|
|
|
extern void diffcore_std(struct diff_options *);
|
|
extern void diffcore_fix_diff_index(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" \
|
|
" --patch-with-raw\n" \
|
|
" output both a patch and the diff-raw format.\n" \
|
|
" --stat show diffstat instead of patch.\n" \
|
|
" --numstat show numeric diffstat instead of patch.\n" \
|
|
" --patch-with-stat\n" \
|
|
" output a patch and prepend its diffstat.\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" \
|
|
" -a --text treat all files as text.\n"
|
|
|
|
extern int diff_queue_is_empty(void);
|
|
extern void diff_flush(struct diff_options*);
|
|
extern void diff_warn_rename_limit(const char *varname, int needed, int degraded_cc);
|
|
|
|
/* 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);
|
|
|
|
/* do not report anything on removed paths */
|
|
#define DIFF_SILENT_ON_REMOVED 01
|
|
/* report racily-clean paths as modified */
|
|
#define DIFF_RACY_IS_MODIFIED 02
|
|
extern int run_diff_files(struct rev_info *revs, unsigned int option);
|
|
extern int run_diff_index(struct rev_info *revs, int cached);
|
|
|
|
extern int do_diff_cache(const unsigned char *, struct diff_options *);
|
|
extern int diff_flush_patch_id(struct diff_options *, unsigned char *);
|
|
|
|
extern int diff_result_code(struct diff_options *, int);
|
|
|
|
extern void diff_no_index(struct rev_info *, int, const char **, int, const char *);
|
|
|
|
extern int index_differs_from(const char *def, int diff_flags);
|
|
|
|
extern size_t fill_textconv(struct userdiff_driver *driver,
|
|
struct diff_filespec *df,
|
|
char **outbuf);
|
|
|
|
extern struct userdiff_driver *get_textconv(struct diff_filespec *one);
|
|
|
|
extern int parse_rename_score(const char **cp_p);
|
|
|
|
extern int print_stat_summary(FILE *fp, int files,
|
|
int insertions, int deletions);
|
|
|
|
#endif /* DIFF_H */
|