/* * 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; 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); typedef void (*diff_format_fn_t)(struct diff_queue_struct *q, struct diff_options *options, 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 /* 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 struct diff_options { const char *filter; const char *orderfile; const char *pickaxe; const char *single_follow; unsigned recursive:1, tree_in_recursive:1, binary:1, text:1, full_index:1, silent_on_remove:1, find_copies_harder:1, color_diff:1, color_diff_words:1; int context; int break_opt; int detect_rename; int line_termination; int output_format; int pickaxe_opts; int rename_score; int reverse_diff; int rename_limit; int setup; int abbrev; const char *msg_sep; const char *stat_sep; long xdl_opts; int stat_width; int stat_name_width; int nr_paths; const char **paths; int *pathlens; change_fn_t change; add_remove_fn_t add_remove; diff_format_fn_t format_callback; void *format_callback_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, }; const char *diff_get_color(int diff_use_color, enum color_diff 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 unsigned char parent[][20], int num_parent, int dense, struct rev_info *rev); extern void diff_tree_combined_merge(const unsigned char *sha1, int, struct rev_info *); 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, unsigned mode, const unsigned char *sha1); 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_ui_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_PICKAXE_REGEX 2 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" \ " --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= 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 limit rename attempts up to paths.\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" \ " -a --text treat all files as text.\n" extern int diff_queue_is_empty(void); 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); extern int run_diff_files(struct rev_info *revs, int silent_on_removed); 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 *); #endif /* DIFF_H */