revision.hon commit Merge branch 'jc/merge-dash-previous' (89cd237)
   1#ifndef REVISION_H
   2#define REVISION_H
   3
   4#include "parse-options.h"
   5#include "grep.h"
   6#include "notes.h"
   7
   8#define SEEN            (1u<<0)
   9#define UNINTERESTING   (1u<<1)
  10#define TREESAME        (1u<<2)
  11#define SHOWN           (1u<<3)
  12#define TMP_MARK        (1u<<4) /* for isolated cases; clean after use */
  13#define BOUNDARY        (1u<<5)
  14#define CHILD_SHOWN     (1u<<6)
  15#define ADDED           (1u<<7) /* Parents already parsed and added? */
  16#define SYMMETRIC_LEFT  (1u<<8)
  17#define PATCHSAME       (1u<<9)
  18#define ALL_REV_FLAGS   ((1u<<10)-1)
  19
  20#define DECORATE_SHORT_REFS     1
  21#define DECORATE_FULL_REFS      2
  22
  23struct rev_info;
  24struct log_info;
  25struct string_list;
  26
  27struct rev_info {
  28        /* Starting list */
  29        struct commit_list *commits;
  30        struct object_array pending;
  31
  32        /* Parents of shown commits */
  33        struct object_array boundary_commits;
  34
  35        /* Basic information */
  36        const char *prefix;
  37        const char *def;
  38        struct pathspec prune_data;
  39        unsigned int early_output;
  40
  41        /* Traversal flags */
  42        unsigned int    dense:1,
  43                        prune:1,
  44                        no_walk:1,
  45                        show_all:1,
  46                        remove_empty_trees:1,
  47                        simplify_history:1,
  48                        lifo:1,
  49                        topo_order:1,
  50                        simplify_merges:1,
  51                        simplify_by_decoration:1,
  52                        tag_objects:1,
  53                        tree_objects:1,
  54                        blob_objects:1,
  55                        edge_hint:1,
  56                        limited:1,
  57                        unpacked:1,
  58                        boundary:2,
  59                        count:1,
  60                        left_right:1,
  61                        left_only:1,
  62                        right_only:1,
  63                        rewrite_parents:1,
  64                        print_parents:1,
  65                        show_source:1,
  66                        show_decorations:1,
  67                        reverse:1,
  68                        reverse_output_stage:1,
  69                        cherry_pick:1,
  70                        cherry_mark:1,
  71                        bisect:1,
  72                        ancestry_path:1,
  73                        first_parent_only:1;
  74
  75        /* Diff flags */
  76        unsigned int    diff:1,
  77                        full_diff:1,
  78                        show_root_diff:1,
  79                        no_commit_id:1,
  80                        verbose_header:1,
  81                        ignore_merges:1,
  82                        combine_merges:1,
  83                        dense_combined_merges:1,
  84                        always_show_header:1;
  85
  86        /* Format info */
  87        unsigned int    shown_one:1,
  88                        show_merge:1,
  89                        show_notes:1,
  90                        show_notes_given:1,
  91                        pretty_given:1,
  92                        abbrev_commit:1,
  93                        use_terminator:1,
  94                        missing_newline:1,
  95                        date_mode_explicit:1;
  96        unsigned int    disable_stdin:1;
  97
  98        enum date_mode date_mode;
  99
 100        unsigned int    abbrev;
 101        enum cmit_fmt   commit_format;
 102        struct log_info *loginfo;
 103        int             nr, total;
 104        const char      *mime_boundary;
 105        const char      *patch_suffix;
 106        int             numbered_files;
 107        char            *message_id;
 108        struct string_list *ref_message_ids;
 109        const char      *add_signoff;
 110        const char      *extra_headers;
 111        const char      *log_reencode;
 112        const char      *subject_prefix;
 113        int             no_inline;
 114        int             show_log_size;
 115
 116        /* Filter by commit log message */
 117        struct grep_opt grep_filter;
 118
 119        /* Display history graph */
 120        struct git_graph *graph;
 121
 122        /* special limits */
 123        int skip_count;
 124        int max_count;
 125        unsigned long max_age;
 126        unsigned long min_age;
 127        int min_parents;
 128        int max_parents;
 129
 130        /* diff info for patches and for paths limiting */
 131        struct diff_options diffopt;
 132        struct diff_options pruning;
 133
 134        struct reflog_walk_info *reflog_info;
 135        struct decoration children;
 136        struct decoration merge_simplification;
 137
 138        /* notes-specific options: which refs to show */
 139        struct display_notes_opt notes_opt;
 140
 141        /* commit counts */
 142        int count_left;
 143        int count_right;
 144};
 145
 146#define REV_TREE_SAME           0
 147#define REV_TREE_NEW            1       /* Only new files */
 148#define REV_TREE_OLD            2       /* Only files removed */
 149#define REV_TREE_DIFFERENT      3       /* Mixed changes */
 150
 151/* revision.c */
 152typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 153extern volatile show_early_output_fn_t show_early_output;
 154
 155struct setup_revision_opt {
 156        const char *def;
 157        void (*tweak)(struct rev_info *, struct setup_revision_opt *);
 158        const char *submodule;
 159};
 160
 161extern void init_revisions(struct rev_info *revs, const char *prefix);
 162extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
 163extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 164                                 const struct option *options,
 165                                 const char * const usagestr[]);
 166extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 167
 168extern int prepare_revision_walk(struct rev_info *revs);
 169extern struct commit *get_revision(struct rev_info *revs);
 170extern char *get_revision_mark(const struct rev_info *revs, const struct commit *commit);
 171extern void put_revision_mark(const struct rev_info *revs, const struct commit *commit);
 172
 173extern void mark_parents_uninteresting(struct commit *commit);
 174extern void mark_tree_uninteresting(struct tree *tree);
 175
 176struct name_path {
 177        struct name_path *up;
 178        int elem_len;
 179        const char *elem;
 180};
 181
 182char *path_name(const struct name_path *path, const char *name);
 183
 184extern void add_object(struct object *obj,
 185                       struct object_array *p,
 186                       struct name_path *path,
 187                       const char *name);
 188
 189extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 190
 191extern void add_head_to_pending(struct rev_info *);
 192
 193enum commit_action {
 194        commit_ignore,
 195        commit_show,
 196        commit_error
 197};
 198
 199extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
 200extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 201
 202#endif