diff options
Diffstat (limited to 'diff.h')
-rw-r--r-- | diff.h | 204 |
1 files changed, 166 insertions, 38 deletions
@@ -5,25 +5,41 @@ #define DIFF_H #include "tree-walk.h" +#include "pathspec.h" +#include "object.h" struct rev_info; struct diff_options; struct diff_queue_struct; +struct strbuf; +struct diff_filespec; +struct userdiff_driver; +struct sha1_array; +struct commit; +struct combine_diff_path; + +typedef int (*pathchange_fn_t)(struct diff_options *options, + struct combine_diff_path *path); 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 *fullpath); + 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, - const char *fullpath); + 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 @@ -52,10 +68,10 @@ typedef void (*diff_format_fn_t)(struct diff_queue_struct *q, #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_COLOR_DIFF (1 << 8) -#define DIFF_OPT_COLOR_DIFF_WORDS (1 << 9) +#define DIFF_OPT_RENAME_EMPTY (1 << 8) +/* (1 << 9) unused */ #define DIFF_OPT_HAS_CHANGES (1 << 10) -#define DIFF_OPT_QUIET (1 << 11) +#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) @@ -66,31 +82,76 @@ typedef void (*diff_format_fn_t)(struct diff_queue_struct *q, #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_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_DEFAULT_FOLLOW_RENAMES (1U << 31) + #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_OPT_TOUCHED(opts, flag) ((opts)->touched_flags & DIFF_OPT_##flag) +#define DIFF_OPT_SET(opts, flag) (((opts)->flags |= DIFF_OPT_##flag),((opts)->touched_flags |= DIFF_OPT_##flag)) +#define DIFF_OPT_CLR(opts, flag) (((opts)->flags &= ~DIFF_OPT_##flag),((opts)->touched_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 +}; + +enum diff_submodule_format { + DIFF_SUBMODULE_SHORT = 0, + DIFF_SUBMODULE_LOG, + DIFF_SUBMODULE_INLINE_DIFF +}; struct diff_options { - const char *filter; const char *orderfile; const char *pickaxe; const char *single_follow; const char *a_prefix, *b_prefix; + const char *line_prefix; + size_t line_prefix_length; unsigned flags; + unsigned touched_flags; + + /* diff-filter bits */ + unsigned int filter; + + 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 warn_on_too_large_rename; - int dirstat_percent; + int needed_rename_limit; + int degraded_cc_to_c; + int show_rename_progress; + int dirstat_permille; int setup; int abbrev; + int ita_invisible_in_index; +/* white-space error highlighting */ +#define WSEH_NEW 1 +#define WSEH_CONTEXT 2 +#define WSEH_OLD 4 + unsigned ws_error_highlight; const char *prefix; int prefix_length; const char *stat_sep; @@ -98,44 +159,60 @@ struct diff_options { int stat_width; int stat_name_width; + int stat_graph_width; + int stat_count; const char *word_regex; + enum diff_words_type word_diff; + enum diff_submodule_format submodule_format; /* this is set by diffcore for DIFF_FORMAT_PATCH */ int found_changes; + /* to support internal diff recursion by --follow hack*/ + int found_follow; + + void (*set_default)(struct diff_options *); + FILE *file; int close_file; - int nr_paths; - const char **paths; - int *pathlens; + struct pathspec pathspec; + pathchange_fn_t pathchange; 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; + void *output_prefix_data; + + int diff_path_counter; }; enum color_diff { DIFF_RESET = 0, - DIFF_PLAIN = 1, + DIFF_CONTEXT = 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(DIFF_OPT_TST((o), COLOR_DIFF), ix) + diff_get_color((o)->use_color, ix) + + +const char *diff_line_prefix(struct diff_options *); 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 struct combine_diff_path *diff_tree_paths( + struct combine_diff_path *p, const unsigned char *sha1, + const unsigned char **parent_sha1, int nparent, + struct strbuf *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, @@ -143,56 +220,66 @@ extern int diff_root_tree_sha1(const unsigned char *new, const char *base, struct combine_diff_path { struct combine_diff_path *next; - int len; char *path; unsigned int mode; - unsigned char sha1[20]; + struct object_id oid; struct combine_diff_parent { char status; unsigned int mode; - unsigned char sha1[20]; + struct object_id oid; } parent[FLEX_ARRAY]; }; #define combine_diff_path_size(n, l) \ - (sizeof(struct combine_diff_path) + \ - sizeof(struct combine_diff_parent) * (n) + (l) + 1) + st_add4(sizeof(struct combine_diff_path), (l), 1, \ + st_mult(sizeof(struct combine_diff_parent), (n))) 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 unsigned char parent[][20], int num_parent, int dense, struct rev_info *rev); +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 unsigned char *sha1, int, struct rev_info *); +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, - const char *fullpath); + 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, - const char *fullpath); + int sha1_valid, + int sha2_valid, + const char *fullpath, + unsigned dirty_submodule1, unsigned dirty_submodule2); -extern void diff_unmerge(struct diff_options *, - const char *path, - unsigned mode, - const unsigned char *sha1); +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 stuck 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_heuristic_config(const char *var, const char *value, void *cb); +extern void init_diff_ui_defaults(void); extern int git_diff_ui_config(const char *var, const char *value, void *cb); -extern int diff_use_color_default; 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 *); +extern int diff_opt_parse(struct diff_options *, const char **, int, const char *); +extern void diff_setup_done(struct diff_options *); #define DIFF_DETECT_RENAME 1 #define DIFF_DETECT_COPY 2 @@ -200,7 +287,11 @@ extern int diff_setup_done(struct diff_options *); #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" \ @@ -232,6 +323,7 @@ extern void diffcore_std(struct diff_options *); 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' @@ -249,7 +341,11 @@ extern void diff_flush(struct diff_options*); #define DIFF_STATUS_FILTER_AON '*' #define DIFF_STATUS_FILTER_BROKEN 'B' -extern const char *diff_unique_abbrev(const unsigned char *, int); +/* + * This is different from find_unique_abbrev() in that + * it stuffs the result with dots for alignment. + */ +extern const char *diff_aligned_abbrev(const struct object_id *sha1, int); /* do not report anything on removed paths */ #define DIFF_SILENT_ON_REMOVED 01 @@ -259,10 +355,42 @@ 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_flush_patch_id(struct diff_options *, unsigned char *, int); extern int diff_result_code(struct diff_options *, int); -extern void diff_no_index(struct rev_info *, int, const char **, int, const char *); +extern void diff_no_index(struct rev_info *, int, const char **); + +extern int index_differs_from(const char *def, int diff_flags, int ita_invisible_in_index); + +/* + * Fill the contents of the filespec "df", respecting any textconv defined by + * its userdiff driver. The "driver" parameter must come from a + * previous call to get_textconv(), and therefore should either be NULL or have + * textconv enabled. + * + * Note that the memory ownership of the resulting buffer depends on whether + * the driver field is NULL. If it is, then the memory belongs to the filespec + * struct. If it is non-NULL, then "outbuf" points to a newly allocated buffer + * that should be freed by the caller. + */ +extern size_t fill_textconv(struct userdiff_driver *driver, + struct diff_filespec *df, + char **outbuf); + +/* + * Look up the userdiff driver for the given filespec, and return it if + * and only if it has textconv enabled (otherwise return NULL). The result + * can be passed to fill_textconv(). + */ +extern struct userdiff_driver *get_textconv(struct diff_filespec *one); + +extern int parse_rename_score(const char **cp_p); + +extern long parse_algorithm_value(const char *value); + +extern int print_stat_summary(FILE *fp, int files, + int insertions, int deletions); +extern void setup_diff_pager(struct diff_options *); #endif /* DIFF_H */ |