X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=diff.h;h=e0a3207a62eab9c72d74e3b15cfae660fbcdaa66;hb=62b532b080d56e02d8f486e801110456ab0bb380;hp=24df9089cc024ec01f79102ceb429353f1707404;hpb=be3cfa85f45e32722a65349d023667be906a66b6;p=git.git diff --git a/diff.h b/diff.h index 24df9089..e0a3207a 100644 --- a/diff.h +++ b/diff.h @@ -4,28 +4,82 @@ #ifndef DIFF_H #define DIFF_H -/* These two are for backward compatibility with show-diff; - * new users should not use them. - */ -extern void show_differences(const struct cache_entry *ce, int reverse); -extern void show_diff_empty(const struct cache_entry *ce, int reverse); - -struct diff_spec { - union { - const char *name; /* path on the filesystem */ - unsigned char sha1[20]; /* blob object ID */ - } u; - unsigned short mode; /* file mode */ - unsigned sha1_valid : 1; /* if true, use u.sha1 and trust mode. - * (however with a NULL SHA1, read them - * from the file!). - * if false, use u.name and read mode from - * the filesystem. - */ - unsigned file_valid : 1; /* if false the file does not even exist */ -}; - -extern void run_external_diff(const char *name, - struct diff_spec *, struct diff_spec *); +#define DIFF_FILE_CANON_MODE(mode) \ + (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \ + S_ISLNK(mode) ? S_IFLNK : S_IFDIR) + +extern void diff_addremove(int addremove, + unsigned mode, + const unsigned char *sha1, + const char *base, + const char *path); + +extern void diff_change(unsigned mode1, unsigned mode2, + const unsigned char *sha1, + const unsigned char *sha2, + const char *base, const char *path); + +extern void diff_helper_input(unsigned mode1, + unsigned mode2, + const unsigned char *sha1, + const unsigned char *sha2, + const char *path1, + int status, + int score, + const char *path2); + +extern void diff_unmerge(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 void diff_setup(int flags); + +#define DIFF_DETECT_RENAME 1 +#define DIFF_DETECT_COPY 2 + +#define DIFF_PICKAXE_ALL 1 + +extern void diffcore_std(const char **paths, + int detect_rename, int rename_score, + const char *pickaxe, int pickaxe_opts, + int break_opt, + const char *orderfile, const char *filter); + +extern void diffcore_std_no_resolve(const char **paths, + const char *pickaxe, int pickaxe_opts, + const char *orderfile, const char *filter); + +#define COMMON_DIFF_OPTIONS_HELP \ +"\ncommon diff options:\n" \ +" -r diff recursively (only meaningful in diff-tree)\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-only-z\n" \ +" same as --name-only but terminate lines with NUL.\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" \ +" -O reorder diffs according to the .\n" \ +" -S 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 + +extern void diff_flush(int output_style, int line_terminator); #endif /* DIFF_H */