2005-04-26 16:25:05 +00:00
|
|
|
/*
|
|
|
|
* Copyright (C) 2005 Junio C Hamano
|
|
|
|
*/
|
2005-04-26 01:22:47 +00:00
|
|
|
#ifndef DIFF_H
|
|
|
|
#define DIFF_H
|
|
|
|
|
2005-06-01 18:38:07 +00:00
|
|
|
#define DIFF_FILE_CANON_MODE(mode) \
|
|
|
|
(S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \
|
|
|
|
S_ISLNK(mode) ? S_IFLNK : S_IFDIR)
|
|
|
|
|
2005-10-21 04:05:05 +00:00
|
|
|
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);
|
|
|
|
|
2005-09-21 07:00:47 +00:00
|
|
|
struct diff_options {
|
|
|
|
const char **paths;
|
|
|
|
const char *filter;
|
|
|
|
const char *orderfile;
|
|
|
|
const char *pickaxe;
|
2005-10-21 04:05:05 +00:00
|
|
|
unsigned recursive:1,
|
2005-11-15 01:53:22 +00:00
|
|
|
tree_in_recursive:1,
|
|
|
|
full_index:1;
|
2005-09-21 07:00:47 +00:00
|
|
|
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;
|
2005-09-21 07:18:27 +00:00
|
|
|
int rename_limit;
|
2005-09-21 07:00:47 +00:00
|
|
|
int setup;
|
2005-12-14 01:21:41 +00:00
|
|
|
int abbrev;
|
2005-10-21 04:05:05 +00:00
|
|
|
|
|
|
|
change_fn_t change;
|
|
|
|
add_remove_fn_t add_remove;
|
2005-09-21 07:00:47 +00:00
|
|
|
};
|
|
|
|
|
2005-10-21 04:05:05 +00:00
|
|
|
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);
|
|
|
|
|
2005-09-21 07:00:47 +00:00
|
|
|
extern void diff_addremove(struct diff_options *,
|
|
|
|
int addremove,
|
2005-04-27 16:21:00 +00:00
|
|
|
unsigned mode,
|
|
|
|
const unsigned char *sha1,
|
|
|
|
const char *base,
|
|
|
|
const char *path);
|
|
|
|
|
2005-09-21 07:00:47 +00:00
|
|
|
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);
|
2005-04-27 16:21:00 +00:00
|
|
|
|
2005-09-21 07:00:47 +00:00
|
|
|
extern void diff_unmerge(struct diff_options *,
|
|
|
|
const char *path);
|
2005-04-27 16:21:00 +00:00
|
|
|
|
2005-05-20 02:00:36 +00:00
|
|
|
extern int diff_scoreopt_parse(const char *opt);
|
|
|
|
|
2005-05-27 22:54:37 +00:00
|
|
|
#define DIFF_SETUP_REVERSE 1
|
2005-05-27 22:56:38 +00:00
|
|
|
#define DIFF_SETUP_USE_CACHE 2
|
|
|
|
#define DIFF_SETUP_USE_SIZE_CACHE 4
|
2005-06-03 08:36:43 +00:00
|
|
|
|
2005-11-22 06:52:37 +00:00
|
|
|
extern int git_diff_config(const char *var, const char *value);
|
2005-09-21 07:00:47 +00:00
|
|
|
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 *);
|
2005-04-26 01:22:47 +00:00
|
|
|
|
2005-05-22 17:04:37 +00:00
|
|
|
#define DIFF_DETECT_RENAME 1
|
|
|
|
#define DIFF_DETECT_COPY 2
|
|
|
|
|
2005-05-27 22:55:28 +00:00
|
|
|
#define DIFF_PICKAXE_ALL 1
|
[PATCH] Add -B flag to diff-* brothers.
A new diffcore transformation, diffcore-break.c, is introduced.
When the -B flag is given, a patch that represents a complete
rewrite is broken into a deletion followed by a creation. This
makes it easier to review such a complete rewrite patch.
The -B flag takes the same syntax as the -M and -C flags to
specify the minimum amount of non-source material the resulting
file needs to have to be considered a complete rewrite, and
defaults to 99% if not specified.
As the new test t4008-diff-break-rewrite.sh demonstrates, if a
file is a complete rewrite, it is broken into a delete/create
pair, which can further be subjected to the usual rename
detection if -M or -C is used. For example, if file0 gets
completely rewritten to make it as if it were rather based on
file1 which itself disappeared, the following happens:
The original change looks like this:
file0 --> file0' (quite different from file0)
file1 --> /dev/null
After diffcore-break runs, it would become this:
file0 --> /dev/null
/dev/null --> file0'
file1 --> /dev/null
Then diffcore-rename matches them up:
file1 --> file0'
The internal score values are finer grained now. Earlier
maximum of 10000 has been raised to 60000; there is no user
visible changes but there is no reason to waste available bits.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-30 07:08:37 +00:00
|
|
|
|
2005-12-14 01:21:41 +00:00
|
|
|
#define DIFF_DEFAULT_INDEX_ABBREV 7 /* hex digits */
|
|
|
|
#define DIFF_DEFAULT_ABBREV 7 /* hex digits */
|
|
|
|
|
2005-09-21 07:00:47 +00:00
|
|
|
extern void diffcore_std(struct diff_options *);
|
2005-06-12 03:57:13 +00:00
|
|
|
|
2005-09-21 07:00:47 +00:00
|
|
|
extern void diffcore_std_no_resolve(struct diff_options *);
|
2005-05-29 23:56:13 +00:00
|
|
|
|
2005-07-13 19:52:35 +00:00
|
|
|
#define COMMON_DIFF_OPTIONS_HELP \
|
|
|
|
"\ncommon diff options:\n" \
|
2005-09-21 07:18:27 +00:00
|
|
|
" -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" \
|
2005-09-21 07:20:06 +00:00
|
|
|
" --name-status show names and status of changed files.\n" \
|
2005-12-14 01:21:41 +00:00
|
|
|
" --full-index show full object name on index lines.\n" \
|
2005-12-18 10:03:15 +00:00
|
|
|
" --abbrev=<n> abbreviate object names in diff-tree header and diff-raw.\n" \
|
2005-09-21 07:18:27 +00:00
|
|
|
" -R swap input file pairs.\n" \
|
|
|
|
" -B detect complete rewrites.\n" \
|
|
|
|
" -M detect renames.\n" \
|
|
|
|
" -C detect copies.\n" \
|
2005-07-13 19:52:35 +00:00
|
|
|
" --find-copies-harder\n" \
|
2005-09-21 07:18:27 +00:00
|
|
|
" 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" \
|
2005-07-13 19:52:35 +00:00
|
|
|
" --pickaxe-all\n" \
|
2005-09-21 07:18:27 +00:00
|
|
|
" show all files diff when -S is used and hit is found.\n"
|
2005-07-13 19:52:35 +00:00
|
|
|
|
2005-05-22 02:40:36 +00:00
|
|
|
extern int diff_queue_is_empty(void);
|
|
|
|
|
2005-07-15 00:59:17 +00:00
|
|
|
#define DIFF_FORMAT_RAW 1
|
2005-05-27 22:54:37 +00:00
|
|
|
#define DIFF_FORMAT_PATCH 2
|
|
|
|
#define DIFF_FORMAT_NO_OUTPUT 3
|
2005-07-13 19:45:51 +00:00
|
|
|
#define DIFF_FORMAT_NAME 4
|
2005-09-21 07:20:06 +00:00
|
|
|
#define DIFF_FORMAT_NAME_STATUS 5
|
2005-05-27 22:54:37 +00:00
|
|
|
|
2005-09-21 07:00:47 +00:00
|
|
|
extern void diff_flush(struct diff_options*);
|
2005-04-26 01:22:47 +00:00
|
|
|
|
2005-07-25 20:05:44 +00:00
|
|
|
/* diff-raw status letters */
|
2005-07-25 21:31:19 +00:00
|
|
|
#define DIFF_STATUS_ADDED 'A'
|
2005-07-25 20:05:44 +00:00
|
|
|
#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.
|
|
|
|
*/
|
2005-10-05 00:44:17 +00:00
|
|
|
#define DIFF_STATUS_FILTER_AON '*'
|
2005-07-25 20:05:44 +00:00
|
|
|
#define DIFF_STATUS_FILTER_BROKEN 'B'
|
|
|
|
|
2005-12-14 01:21:41 +00:00
|
|
|
extern const char *diff_unique_abbrev(const unsigned char *, int);
|
|
|
|
|
2005-04-26 01:22:47 +00:00
|
|
|
#endif /* DIFF_H */
|