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git/revision.h

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8.1 KiB
C
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#ifndef REVISION_H
#define REVISION_H
#include "parse-options.h"
#include "grep.h"
#include "notes.h"
#include "pretty.h"
#include "diff.h"
/* Remember to update object flag allocation in object.h */
#define SEEN (1u<<0)
#define UNINTERESTING (1u<<1)
#define TREESAME (1u<<2)
#define SHOWN (1u<<3)
#define TMP_MARK (1u<<4) /* for isolated cases; clean after use */
#define BOUNDARY (1u<<5)
#define CHILD_SHOWN (1u<<6)
#define ADDED (1u<<7) /* Parents already parsed and added? */
#define SYMMETRIC_LEFT (1u<<8)
#define PATCHSAME (1u<<9)
#define BOTTOM (1u<<10)
#define TRACK_LINEAR (1u<<26)
#define ALL_REV_FLAGS (((1u<<11)-1) | TRACK_LINEAR)
#define DECORATE_SHORT_REFS 1
#define DECORATE_FULL_REFS 2
struct rev_info;
struct log_info;
struct string_list;
struct saved_parents;
struct rev_cmdline_info {
unsigned int nr;
unsigned int alloc;
struct rev_cmdline_entry {
struct object *item;
const char *name;
enum {
REV_CMD_REF,
REV_CMD_PARENTS_ONLY,
REV_CMD_LEFT,
REV_CMD_RIGHT,
REV_CMD_MERGE_BASE,
REV_CMD_REV
} whence;
unsigned flags;
} *rev;
};
#define REVISION_WALK_WALK 0
#define REVISION_WALK_NO_WALK_SORTED 1
#define REVISION_WALK_NO_WALK_UNSORTED 2
struct rev_info {
/* Starting list */
struct commit_list *commits;
struct object_array pending;
/* Parents of shown commits */
struct object_array boundary_commits;
/* The end-points specified by the end user */
struct rev_cmdline_info cmdline;
/* excluding from --branches, --refs, etc. expansion */
struct string_list *ref_excludes;
/* Basic information */
const char *prefix;
const char *def;
struct pathspec prune_data;
/*
* Whether the arguments parsed by setup_revisions() included any
* "input" revisions that might still have yielded an empty pending
* list (e.g., patterns like "--all" or "--glob").
*/
int rev_input_given;
/* topo-sort */
enum rev_sort_order sort_order;
unsigned int early_output;
unsigned int ignore_missing:1,
ignore_missing_links:1;
/* Traversal flags */
unsigned int dense:1,
prune:1,
no_walk:2,
remove_empty_trees:1,
simplify_history:1,
topo_order:1,
simplify_merges:1,
simplify_by_decoration:1,
single_worktree:1,
tag_objects:1,
tree_objects:1,
blob_objects:1,
verify_objects:1,
edge_hint:1,
edge_hint_aggressive:1,
limited:1,
unpacked:1,
boundary:2,
count:1,
left_right:1,
left_only:1,
right_only:1,
rewrite_parents:1,
print_parents:1,
show_source:1,
show_decorations:1,
reverse:1,
reverse_output_stage:1,
cherry_pick:1,
cherry_mark:1,
bisect:1,
ancestry_path:1,
first_parent_only:1,
line_level_traverse:1,
tree_blobs_in_commit_order:1,
/* for internal use only */
exclude_promisor_objects:1;
/* Diff flags */
unsigned int diff:1,
full_diff:1,
show_root_diff:1,
no_commit_id:1,
verbose_header:1,
ignore_merges:1,
combine_merges:1,
dense_combined_merges:1,
always_show_header:1;
/* Format info */
unsigned int shown_one:1,
shown_dashes:1,
show_merge:1,
show_notes:1,
show_notes_given:1,
show_signature:1,
pretty_given:1,
abbrev_commit:1,
abbrev_commit_given:1,
zero_commit:1,
use_terminator:1,
missing_newline:1,
date_mode_explicit:1,
preserve_subject:1;
unsigned int disable_stdin:1;
/* --show-linear-break */
unsigned int track_linear:1,
track_first_time:1,
linear:1;
struct date_mode date_mode;
int expand_tabs_in_log; /* unset if negative */
int expand_tabs_in_log_default;
unsigned int abbrev;
enum cmit_fmt commit_format;
struct log_info *loginfo;
int nr, total;
const char *mime_boundary;
const char *patch_suffix;
int numbered_files;
int reroll_count;
char *message_id;
struct ident_split from_ident;
struct string_list *ref_message_ids;
int add_signoff;
const char *extra_headers;
const char *log_reencode;
const char *subject_prefix;
int no_inline;
int show_log_size;
struct string_list *mailmap;
/* Filter by commit log message */
struct grep_opt grep_filter;
/* Negate the match of grep_filter */
int invert_grep;
/* Display history graph */
struct git_graph *graph;
/* special limits */
int skip_count;
int max_count;
timestamp_t max_age;
timestamp_t min_age;
int min_parents;
int max_parents;
int (*include_check)(struct commit *, void *);
void *include_check_data;
/* diff info for patches and for paths limiting */
struct diff_options diffopt;
struct diff_options pruning;
struct reflog_walk_info *reflog_info;
struct decoration children;
struct decoration merge_simplification;
struct decoration treesame;
/* notes-specific options: which refs to show */
struct display_notes_opt notes_opt;
/* commit counts */
int count_left;
int count_right;
int count_same;
/* line level range that we are chasing */
struct decoration line_log_data;
/* copies of the parent lists, for --full-diff display */
struct saved_parents *saved_parents_slab;
struct commit_list *previous_parents;
const char *break_bar;
};
extern int ref_excluded(struct string_list *, const char *path);
void clear_ref_exclusion(struct string_list **);
void add_ref_exclusion(struct string_list **, const char *exclude);
#define REV_TREE_SAME 0
#define REV_TREE_NEW 1 /* Only new files */
#define REV_TREE_OLD 2 /* Only files removed */
#define REV_TREE_DIFFERENT 3 /* Mixed changes */
/* revision.c */
typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
extern volatile show_early_output_fn_t show_early_output;
struct setup_revision_opt {
const char *def;
void (*tweak)(struct rev_info *, struct setup_revision_opt *);
const char *submodule;
int assume_dashdash;
unsigned revarg_opt;
};
extern void init_revisions(struct rev_info *revs, const char *prefix);
extern int setup_revisions(int argc, const char **argv, struct rev_info *revs,
struct setup_revision_opt *);
extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
const struct option *options,
const char * const usagestr[]);
#define REVARG_CANNOT_BE_FILENAME 01
#define REVARG_COMMITTISH 02
extern int handle_revision_arg(const char *arg, struct rev_info *revs,
int flags, unsigned revarg_opt);
extern void reset_revision_walk(void);
extern int prepare_revision_walk(struct rev_info *revs);
extern struct commit *get_revision(struct rev_info *revs);
extern char *get_revision_mark(const struct rev_info *revs,
const struct commit *commit);
extern void put_revision_mark(const struct rev_info *revs,
const struct commit *commit);
extern void mark_parents_uninteresting(struct commit *commit);
extern void mark_tree_uninteresting(struct tree *tree);
extern void show_object_with_name(FILE *, struct object *, const char *);
extern void add_pending_object(struct rev_info *revs,
struct object *obj, const char *name);
extern void add_pending_oid(struct rev_info *revs,
const char *name, const struct object_id *oid,
unsigned int flags);
extern void add_head_to_pending(struct rev_info *);
extern void add_reflogs_to_pending(struct rev_info *, unsigned int flags);
extern void add_index_objects_to_pending(struct rev_info *, unsigned int flags);
enum commit_action {
commit_ignore,
commit_show,
commit_error
};
extern enum commit_action get_commit_action(struct rev_info *revs,
struct commit *commit);
extern enum commit_action simplify_commit(struct rev_info *revs,
struct commit *commit);
enum rewrite_result {
rewrite_one_ok,
rewrite_one_noparents,
rewrite_one_error
};
typedef enum rewrite_result (*rewrite_parent_fn_t)(struct rev_info *revs, struct commit **pp);
extern int rewrite_parents(struct rev_info *revs, struct commit *commit,
rewrite_parent_fn_t rewrite_parent);
/*
* The log machinery saves the original parent list so that
* get_saved_parents() can later tell what the real parents of the
* commits are, when commit->parents has been modified by history
* simpification.
*
* get_saved_parents() will transparently return commit->parents if
* history simplification is off.
*/
extern struct commit_list *get_saved_parents(struct rev_info *revs, const struct commit *commit);
#endif
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