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c7534ef4a1
Diffs that have been produced with textconv almost certainly cannot be applied, so we want to be careful not to generate them in things like format-patch. This introduces a new diff options, ALLOW_TEXTCONV, which controls this behavior. It is off by default, but is explicitly turned on for the "log" family of commands, as well as the "diff" porcelain (but not diff-* plumbing). Because both text conversion and external diffing are controlled by these diff options, we can get rid of the "plumbing versus porcelain" distinction when reading the config. This was an attempt to control the same thing, but suffered from being too coarse-grained. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
267 lines
8.5 KiB
C
267 lines
8.5 KiB
C
/*
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* Copyright (C) 2005 Junio C Hamano
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*/
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#ifndef DIFF_H
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#define DIFF_H
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#include "tree-walk.h"
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struct rev_info;
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struct diff_options;
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struct diff_queue_struct;
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typedef void (*change_fn_t)(struct diff_options *options,
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unsigned old_mode, unsigned new_mode,
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const unsigned char *old_sha1,
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const unsigned char *new_sha1,
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const char *fullpath);
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typedef void (*add_remove_fn_t)(struct diff_options *options,
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int addremove, unsigned mode,
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const unsigned char *sha1,
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const char *fullpath);
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typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
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struct diff_options *options, void *data);
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#define DIFF_FORMAT_RAW 0x0001
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#define DIFF_FORMAT_DIFFSTAT 0x0002
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#define DIFF_FORMAT_NUMSTAT 0x0004
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#define DIFF_FORMAT_SUMMARY 0x0008
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#define DIFF_FORMAT_PATCH 0x0010
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#define DIFF_FORMAT_SHORTSTAT 0x0020
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#define DIFF_FORMAT_DIRSTAT 0x0040
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/* These override all above */
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#define DIFF_FORMAT_NAME 0x0100
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#define DIFF_FORMAT_NAME_STATUS 0x0200
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#define DIFF_FORMAT_CHECKDIFF 0x0400
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/* Same as output_format = 0 but we know that -s flag was given
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* and we should not give default value to output_format.
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*/
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#define DIFF_FORMAT_NO_OUTPUT 0x0800
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#define DIFF_FORMAT_CALLBACK 0x1000
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#define DIFF_OPT_RECURSIVE (1 << 0)
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#define DIFF_OPT_TREE_IN_RECURSIVE (1 << 1)
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#define DIFF_OPT_BINARY (1 << 2)
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#define DIFF_OPT_TEXT (1 << 3)
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#define DIFF_OPT_FULL_INDEX (1 << 4)
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#define DIFF_OPT_SILENT_ON_REMOVE (1 << 5)
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#define DIFF_OPT_FIND_COPIES_HARDER (1 << 6)
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#define DIFF_OPT_FOLLOW_RENAMES (1 << 7)
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#define DIFF_OPT_COLOR_DIFF (1 << 8)
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#define DIFF_OPT_COLOR_DIFF_WORDS (1 << 9)
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#define DIFF_OPT_HAS_CHANGES (1 << 10)
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#define DIFF_OPT_QUIET (1 << 11)
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#define DIFF_OPT_NO_INDEX (1 << 12)
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#define DIFF_OPT_ALLOW_EXTERNAL (1 << 13)
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#define DIFF_OPT_EXIT_WITH_STATUS (1 << 14)
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#define DIFF_OPT_REVERSE_DIFF (1 << 15)
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#define DIFF_OPT_CHECK_FAILED (1 << 16)
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#define DIFF_OPT_RELATIVE_NAME (1 << 17)
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#define DIFF_OPT_IGNORE_SUBMODULES (1 << 18)
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#define DIFF_OPT_DIRSTAT_CUMULATIVE (1 << 19)
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#define DIFF_OPT_DIRSTAT_BY_FILE (1 << 20)
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#define DIFF_OPT_ALLOW_TEXTCONV (1 << 21)
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#define DIFF_OPT_TST(opts, flag) ((opts)->flags & DIFF_OPT_##flag)
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#define DIFF_OPT_SET(opts, flag) ((opts)->flags |= DIFF_OPT_##flag)
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#define DIFF_OPT_CLR(opts, flag) ((opts)->flags &= ~DIFF_OPT_##flag)
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struct diff_options {
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const char *filter;
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const char *orderfile;
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const char *pickaxe;
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const char *single_follow;
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const char *a_prefix, *b_prefix;
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unsigned flags;
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int context;
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int break_opt;
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int detect_rename;
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int skip_stat_unmatch;
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int line_termination;
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int output_format;
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int pickaxe_opts;
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int rename_score;
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int rename_limit;
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int warn_on_too_large_rename;
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int dirstat_percent;
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int setup;
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int abbrev;
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const char *prefix;
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int prefix_length;
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const char *stat_sep;
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long xdl_opts;
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int stat_width;
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int stat_name_width;
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/* this is set by diffcore for DIFF_FORMAT_PATCH */
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int found_changes;
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FILE *file;
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int close_file;
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int nr_paths;
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const char **paths;
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int *pathlens;
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change_fn_t change;
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add_remove_fn_t add_remove;
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diff_format_fn_t format_callback;
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void *format_callback_data;
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};
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enum color_diff {
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DIFF_RESET = 0,
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DIFF_PLAIN = 1,
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DIFF_METAINFO = 2,
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DIFF_FRAGINFO = 3,
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DIFF_FILE_OLD = 4,
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DIFF_FILE_NEW = 5,
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DIFF_COMMIT = 6,
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DIFF_WHITESPACE = 7,
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};
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const char *diff_get_color(int diff_use_color, enum color_diff ix);
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#define diff_get_color_opt(o, ix) \
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diff_get_color(DIFF_OPT_TST((o), COLOR_DIFF), ix)
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extern const char mime_boundary_leader[];
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extern void diff_tree_setup_paths(const char **paths, struct diff_options *);
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extern void diff_tree_release_paths(struct diff_options *);
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extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2,
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const char *base, struct diff_options *opt);
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extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new,
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const char *base, struct diff_options *opt);
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extern int diff_root_tree_sha1(const unsigned char *new, const char *base,
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struct diff_options *opt);
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struct combine_diff_path {
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struct combine_diff_path *next;
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int len;
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char *path;
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unsigned int mode;
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unsigned char sha1[20];
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struct combine_diff_parent {
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char status;
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unsigned int mode;
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unsigned char sha1[20];
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} parent[FLEX_ARRAY];
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};
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#define combine_diff_path_size(n, l) \
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(sizeof(struct combine_diff_path) + \
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sizeof(struct combine_diff_parent) * (n) + (l) + 1)
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extern void show_combined_diff(struct combine_diff_path *elem, int num_parent,
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int dense, struct rev_info *);
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extern void diff_tree_combined(const unsigned char *sha1, const unsigned char parent[][20], int num_parent, int dense, struct rev_info *rev);
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extern void diff_tree_combined_merge(const unsigned char *sha1, int, struct rev_info *);
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void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const char *b);
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extern void diff_addremove(struct diff_options *,
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int addremove,
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unsigned mode,
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const unsigned char *sha1,
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const char *fullpath);
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extern void diff_change(struct diff_options *,
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unsigned mode1, unsigned mode2,
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const unsigned char *sha1,
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const unsigned char *sha2,
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const char *fullpath);
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extern void diff_unmerge(struct diff_options *,
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const char *path,
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unsigned mode,
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const unsigned char *sha1);
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#define DIFF_SETUP_REVERSE 1
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#define DIFF_SETUP_USE_CACHE 2
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#define DIFF_SETUP_USE_SIZE_CACHE 4
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extern int git_diff_basic_config(const char *var, const char *value, void *cb);
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extern int git_diff_ui_config(const char *var, const char *value, void *cb);
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extern int diff_use_color_default;
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extern void diff_setup(struct diff_options *);
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extern int diff_opt_parse(struct diff_options *, const char **, int);
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extern int diff_setup_done(struct diff_options *);
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#define DIFF_DETECT_RENAME 1
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#define DIFF_DETECT_COPY 2
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#define DIFF_PICKAXE_ALL 1
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#define DIFF_PICKAXE_REGEX 2
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extern void diffcore_std(struct diff_options *);
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#define COMMON_DIFF_OPTIONS_HELP \
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"\ncommon diff options:\n" \
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" -z output diff-raw with lines terminated with NUL.\n" \
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" -p output patch format.\n" \
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" -u synonym for -p.\n" \
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" --patch-with-raw\n" \
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" output both a patch and the diff-raw format.\n" \
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" --stat show diffstat instead of patch.\n" \
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" --numstat show numeric diffstat instead of patch.\n" \
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" --patch-with-stat\n" \
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" output a patch and prepend its diffstat.\n" \
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" --name-only show only names of changed files.\n" \
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" --name-status show names and status of changed files.\n" \
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" --full-index show full object name on index lines.\n" \
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" --abbrev=<n> abbreviate object names in diff-tree header and diff-raw.\n" \
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" -R swap input file pairs.\n" \
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" -B detect complete rewrites.\n" \
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" -M detect renames.\n" \
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" -C detect copies.\n" \
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" --find-copies-harder\n" \
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" try unchanged files as candidate for copy detection.\n" \
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" -l<n> limit rename attempts up to <n> paths.\n" \
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" -O<file> reorder diffs according to the <file>.\n" \
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" -S<string> find filepair whose only one side contains the string.\n" \
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" --pickaxe-all\n" \
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" show all files diff when -S is used and hit is found.\n" \
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" -a --text treat all files as text.\n"
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extern int diff_queue_is_empty(void);
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extern void diff_flush(struct diff_options*);
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/* diff-raw status letters */
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#define DIFF_STATUS_ADDED 'A'
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#define DIFF_STATUS_COPIED 'C'
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#define DIFF_STATUS_DELETED 'D'
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#define DIFF_STATUS_MODIFIED 'M'
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#define DIFF_STATUS_RENAMED 'R'
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#define DIFF_STATUS_TYPE_CHANGED 'T'
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#define DIFF_STATUS_UNKNOWN 'X'
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#define DIFF_STATUS_UNMERGED 'U'
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/* these are not diff-raw status letters proper, but used by
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* diffcore-filter insn to specify additional restrictions.
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*/
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#define DIFF_STATUS_FILTER_AON '*'
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#define DIFF_STATUS_FILTER_BROKEN 'B'
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extern const char *diff_unique_abbrev(const unsigned char *, int);
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/* do not report anything on removed paths */
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#define DIFF_SILENT_ON_REMOVED 01
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/* report racily-clean paths as modified */
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#define DIFF_RACY_IS_MODIFIED 02
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extern int run_diff_files(struct rev_info *revs, unsigned int option);
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extern int run_diff_index(struct rev_info *revs, int cached);
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extern int do_diff_cache(const unsigned char *, struct diff_options *);
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extern int diff_flush_patch_id(struct diff_options *, unsigned char *);
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extern int diff_result_code(struct diff_options *, int);
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extern void diff_no_index(struct rev_info *, int, const char **, int, const char *);
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#endif /* DIFF_H */
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