DIFF_WORDS_NONE = 0,

DIFF_WORDS_PORCELAIN,

DIFF_WORDS_PLAIN,

DIFF_WORDS_COLOR

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_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;

void *output_prefix_data;

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

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];

int addremove,

unsigned mode,

const unsigned char *sha1,

unsigned mode1, unsigned mode2,

const unsigned char *sha1,

const unsigned char *sha2,

const char *fullpath,

"\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"