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Copy pathapply.h
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191 lines (166 loc) · 5.27 KB
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#ifndef APPLY_H
#define APPLY_H
#include "hash.h"
#include "lockfile.h"
#include "string-list.h"
#include "strmap.h"
struct repository;
enum apply_ws_error_action {
nowarn_ws_error,
warn_on_ws_error,
die_on_ws_error,
correct_ws_error
};
enum apply_ws_ignore {
ignore_ws_none,
ignore_ws_change
};
enum apply_verbosity {
verbosity_silent = -1,
verbosity_normal = 0,
verbosity_verbose = 1
};
struct apply_state {
const char *prefix;
/* Lock file */
struct lock_file lock_file;
/* These control what gets looked at and modified */
int apply; /* this is not a dry-run */
int cached; /* apply to the index only */
int check; /* preimage must match working tree, don't actually apply */
int check_index; /* preimage must match the indexed version */
int update_index; /* check_index && apply */
int ita_only; /* add intent-to-add entries to the index */
/* These control cosmetic aspect of the output */
int diffstat; /* just show a diffstat, and don't actually apply */
int numstat; /* just show a numeric diffstat, and don't actually apply */
int summary; /* just report creation, deletion, etc, and don't actually apply */
/* These boolean parameters control how the apply is done */
int allow_overlap;
int apply_in_reverse;
int apply_with_reject;
int no_add;
int threeway;
int unidiff_zero;
int unsafe_paths;
int allow_empty;
/* Other non boolean parameters */
struct repository *repo;
const char *index_file;
enum apply_verbosity apply_verbosity;
int merge_variant;
char *fake_ancestor;
const char *patch_input_file;
int line_termination;
struct strbuf root;
int p_value;
int p_value_known;
unsigned int p_context;
/* Exclude and include path parameters */
struct string_list limit_by_name;
int has_include;
/* Various "current state" */
int linenr; /* current line number */
/*
* We need to keep track of how symlinks in the preimage are
* manipulated by the patches. A patch to add a/b/c where a/b
* is a symlink should not be allowed to affect the directory
* the symlink points at, but if the same patch removes a/b,
* it is perfectly fine, as the patch removes a/b to make room
* to create a directory a/b so that a/b/c can be created.
*/
struct strset removed_symlinks;
struct strset kept_symlinks;
/*
* For "diff-stat" like behaviour, we keep track of the biggest change
* we've seen, and the longest filename. That allows us to do simple
* scaling.
*/
int max_change;
int max_len;
/*
* Records filenames that have been touched, in order to handle
* the case where more than one patches touch the same file.
*/
struct string_list fn_table;
/*
* This is to save reporting routines before using
* set_error_routine() or set_warn_routine() to install muting
* routines when in verbosity_silent mode.
*/
void (*saved_error_routine)(const char *err, va_list params);
void (*saved_warn_routine)(const char *warn, va_list params);
/* These control whitespace errors */
enum apply_ws_error_action ws_error_action;
enum apply_ws_ignore ws_ignore_action;
const char *whitespace_option;
int whitespace_error;
int squelch_whitespace_errors;
int applied_after_fixing_ws;
};
/*
* This represents a "patch" to a file, both metainfo changes
* such as creation/deletion, filemode and content changes represented
* as a series of fragments.
*/
struct patch {
char *new_name, *old_name, *def_name;
unsigned int old_mode, new_mode;
int is_new, is_delete; /* -1 = unknown, 0 = false, 1 = true */
int rejected;
unsigned ws_rule;
int lines_added, lines_deleted;
int score;
int extension_linenr; /* first line specifying delete/new/rename/copy */
unsigned int is_toplevel_relative:1;
unsigned int inaccurate_eof:1;
unsigned int is_binary:1;
unsigned int is_copy:1;
unsigned int is_rename:1;
unsigned int recount:1;
unsigned int conflicted_threeway:1;
unsigned int direct_to_threeway:1;
unsigned int crlf_in_old:1;
struct fragment *fragments;
char *result;
size_t resultsize;
char old_oid_prefix[GIT_MAX_HEXSZ + 1];
char new_oid_prefix[GIT_MAX_HEXSZ + 1];
struct patch *next;
/* three-way fallback result */
struct object_id threeway_stage[3];
};
int apply_parse_options(int argc, const char **argv,
struct apply_state *state,
int *force_apply, int *options,
const char * const *apply_usage);
int init_apply_state(struct apply_state *state,
struct repository *repo,
const char *prefix);
void clear_apply_state(struct apply_state *state);
int check_apply_state(struct apply_state *state, int force_apply);
/*
* Parse a git diff header, starting at line. Fills the relevant
* metadata information in 'struct patch'.
*
* Returns -1 on failure, the length of the parsed header otherwise.
*/
int parse_git_diff_header(struct strbuf *root,
const char *patch_input_file,
int *linenr,
int p_value,
const char *line,
int len,
unsigned int size,
struct patch *patch);
void release_patch(struct patch *patch);
/*
* Some aspects of the apply behavior are controlled by the following
* bits in the "options" parameter passed to apply_all_patches().
*/
#define APPLY_OPT_INACCURATE_EOF (1<<0) /* accept inaccurate eof */
#define APPLY_OPT_RECOUNT (1<<1) /* accept inaccurate line count */
int apply_all_patches(struct apply_state *state,
int argc, const char **argv,
int options);
#endif