180 lines
5.3 KiB
C
180 lines
5.3 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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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 *base, const char *path);
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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 *base, const char *path);
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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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unsigned recursive:1,
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with_raw:1,
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with_stat:1,
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tree_in_recursive:1,
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binary:1,
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full_index:1,
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silent_on_remove:1,
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find_copies_harder:1;
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int break_opt;
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int detect_rename;
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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 reverse_diff;
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int rename_limit;
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int setup;
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int abbrev;
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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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};
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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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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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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 *base,
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const char *path);
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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 *base, const char *path);
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extern void diff_unmerge(struct diff_options *,
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const char *path);
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extern int diff_scoreopt_parse(const char *opt);
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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_config(const char *var, const char *value);
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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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extern void diffcore_std_no_resolve(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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" --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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extern int diff_queue_is_empty(void);
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#define DIFF_FORMAT_RAW 1
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#define DIFF_FORMAT_PATCH 2
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#define DIFF_FORMAT_NO_OUTPUT 3
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#define DIFF_FORMAT_NAME 4
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#define DIFF_FORMAT_NAME_STATUS 5
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#define DIFF_FORMAT_DIFFSTAT 6
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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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extern int run_diff_files(struct rev_info *revs, int silent_on_removed);
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extern int run_diff_index(struct rev_info *revs, int cached);
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#endif /* DIFF_H */
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