revision.hon commit Documentation/merge subtree How-To: fix typo (59ab4eb)
   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 ALL_REV_FLAGS   ((1u<<9)-1)
  18
  19#define DECORATE_SHORT_REFS     1
  20#define DECORATE_FULL_REFS      2
  21
  22struct rev_info;
  23struct log_info;
  24struct string_list;
  25
  26struct rev_info {
  27        /* Starting list */
  28        struct commit_list *commits;
  29        struct object_array pending;
  30
  31        /* Parents of shown commits */
  32        struct object_array boundary_commits;
  33
  34        /* Basic information */
  35        const char *prefix;
  36        const char *def;
  37        void *prune_data;
  38        unsigned int early_output;
  39
  40        /* Traversal flags */
  41        unsigned int    dense:1,
  42                        prune:1,
  43                        no_merges:1,
  44                        merges_only:1,
  45                        no_walk:1,
  46                        show_all:1,
  47                        remove_empty_trees:1,
  48                        simplify_history:1,
  49                        lifo:1,
  50                        topo_order:1,
  51                        simplify_merges:1,
  52                        simplify_by_decoration:1,
  53                        tag_objects:1,
  54                        tree_objects:1,
  55                        blob_objects:1,
  56                        edge_hint:1,
  57                        limited:1,
  58                        unpacked:1,
  59                        boundary:2,
  60                        count:1,
  61                        left_right:1,
  62                        rewrite_parents:1,
  63                        print_parents:1,
  64                        show_source:1,
  65                        show_decorations:1,
  66                        reverse:1,
  67                        reverse_output_stage:1,
  68                        cherry_pick:1,
  69                        bisect:1,
  70                        ancestry_path:1,
  71                        first_parent_only:1;
  72
  73        /* Diff flags */
  74        unsigned int    diff:1,
  75                        full_diff:1,
  76                        show_root_diff:1,
  77                        no_commit_id:1,
  78                        verbose_header:1,
  79                        ignore_merges:1,
  80                        combine_merges:1,
  81                        dense_combined_merges:1,
  82                        always_show_header:1;
  83
  84        /* Format info */
  85        unsigned int    shown_one:1,
  86                        show_merge:1,
  87                        show_notes:1,
  88                        show_notes_given:1,
  89                        pretty_given:1,
  90                        abbrev_commit:1,
  91                        use_terminator:1,
  92                        missing_newline:1,
  93                        date_mode_explicit:1;
  94        unsigned int    disable_stdin:1;
  95
  96        enum date_mode date_mode;
  97
  98        unsigned int    abbrev;
  99        enum cmit_fmt   commit_format;
 100        struct log_info *loginfo;
 101        int             nr, total;
 102        const char      *mime_boundary;
 103        const char      *patch_suffix;
 104        int             numbered_files;
 105        char            *message_id;
 106        struct string_list *ref_message_ids;
 107        const char      *add_signoff;
 108        const char      *extra_headers;
 109        const char      *log_reencode;
 110        const char      *subject_prefix;
 111        int             no_inline;
 112        int             show_log_size;
 113
 114        /* Filter by commit log message */
 115        struct grep_opt grep_filter;
 116
 117        /* Display history graph */
 118        struct git_graph *graph;
 119
 120        /* special limits */
 121        int skip_count;
 122        int max_count;
 123        unsigned long max_age;
 124        unsigned long min_age;
 125
 126        /* diff info for patches and for paths limiting */
 127        struct diff_options diffopt;
 128        struct diff_options pruning;
 129
 130        struct reflog_walk_info *reflog_info;
 131        struct decoration children;
 132        struct decoration merge_simplification;
 133
 134        /* notes-specific options: which refs to show */
 135        struct display_notes_opt notes_opt;
 136
 137        /* commit counts */
 138        int count_left;
 139        int count_right;
 140};
 141
 142#define REV_TREE_SAME           0
 143#define REV_TREE_NEW            1       /* Only new files */
 144#define REV_TREE_OLD            2       /* Only files removed */
 145#define REV_TREE_DIFFERENT      3       /* Mixed changes */
 146
 147/* revision.c */
 148typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 149extern volatile show_early_output_fn_t show_early_output;
 150
 151struct setup_revision_opt {
 152        const char *def;
 153        void (*tweak)(struct rev_info *, struct setup_revision_opt *);
 154        const char *submodule;
 155};
 156
 157extern void init_revisions(struct rev_info *revs, const char *prefix);
 158extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
 159extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 160                                 const struct option *options,
 161                                 const char * const usagestr[]);
 162extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 163
 164extern int prepare_revision_walk(struct rev_info *revs);
 165extern struct commit *get_revision(struct rev_info *revs);
 166
 167extern void mark_parents_uninteresting(struct commit *commit);
 168extern void mark_tree_uninteresting(struct tree *tree);
 169
 170struct name_path {
 171        struct name_path *up;
 172        int elem_len;
 173        const char *elem;
 174};
 175
 176char *path_name(const struct name_path *path, const char *name);
 177
 178extern void add_object(struct object *obj,
 179                       struct object_array *p,
 180                       struct name_path *path,
 181                       const char *name);
 182
 183extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 184
 185extern void add_head_to_pending(struct rev_info *);
 186
 187enum commit_action {
 188        commit_ignore,
 189        commit_show,
 190        commit_error
 191};
 192
 193extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
 194extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 195
 196#endif