Andrew's git - gitweb.git/blob

   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_cmdline_info {
  28        unsigned int nr;
  29        unsigned int alloc;
  30        struct rev_cmdline_entry {
  31                struct object *item;
  32                const char *name;
  33                enum {
  34                        REV_CMD_REF,
  35                        REV_CMD_PARENTS_ONLY,
  36                        REV_CMD_LEFT,
  37                        REV_CMD_RIGHT,
  38                        REV_CMD_REV
  39                } whence;
  40                unsigned flags;
  41        } *rev;
  42};
  43
  44#define REVISION_WALK_WALK 0
  45#define REVISION_WALK_NO_WALK_SORTED 1
  46#define REVISION_WALK_NO_WALK_UNSORTED 2
  47
  48struct rev_info {
  49        /* Starting list */
  50        struct commit_list *commits;
  51        struct object_array pending;
  52
  53        /* Parents of shown commits */
  54        struct object_array boundary_commits;
  55
  56        /* The end-points specified by the end user */
  57        struct rev_cmdline_info cmdline;
  58
  59        /* Basic information */
  60        const char *prefix;
  61        const char *def;
  62        struct pathspec prune_data;
  63        unsigned int    early_output:1,
  64                        ignore_missing:1;
  65
  66        /* Traversal flags */
  67        unsigned int    dense:1,
  68                        prune:1,
  69                        no_walk:2,
  70                        show_all:1,
  71                        remove_empty_trees:1,
  72                        simplify_history:1,
  73                        lifo:1,
  74                        topo_order:1,
  75                        simplify_merges:1,
  76                        simplify_by_decoration:1,
  77                        tag_objects:1,
  78                        tree_objects:1,
  79                        blob_objects:1,
  80                        verify_objects:1,
  81                        edge_hint:1,
  82                        limited:1,
  83                        unpacked:1,
  84                        boundary:2,
  85                        count:1,
  86                        left_right:1,
  87                        left_only:1,
  88                        right_only:1,
  89                        rewrite_parents:1,
  90                        print_parents:1,
  91                        show_source:1,
  92                        show_decorations:1,
  93                        reverse:1,
  94                        reverse_output_stage:1,
  95                        cherry_pick:1,
  96                        cherry_mark:1,
  97                        bisect:1,
  98                        ancestry_path:1,
  99                        first_parent_only:1;
 100
 101        /* Diff flags */
 102        unsigned int    diff:1,
 103                        full_diff:1,
 104                        show_root_diff:1,
 105                        no_commit_id:1,
 106                        verbose_header:1,
 107                        ignore_merges:1,
 108                        combine_merges:1,
 109                        dense_combined_merges:1,
 110                        always_show_header:1;
 111
 112        /* Format info */
 113        unsigned int    shown_one:1,
 114                        shown_dashes:1,
 115                        show_merge:1,
 116                        show_notes:1,
 117                        show_notes_given:1,
 118                        show_signature:1,
 119                        pretty_given:1,
 120                        abbrev_commit:1,
 121                        abbrev_commit_given:1,
 122                        use_terminator:1,
 123                        missing_newline:1,
 124                        date_mode_explicit:1,
 125                        preserve_subject:1;
 126        unsigned int    disable_stdin:1;
 127        unsigned int    leak_pending:1;
 128
 129        enum date_mode date_mode;
 130
 131        unsigned int    abbrev;
 132        enum cmit_fmt   commit_format;
 133        struct log_info *loginfo;
 134        int             nr, total;
 135        const char      *mime_boundary;
 136        const char      *patch_suffix;
 137        int             numbered_files;
 138        int             reroll_count;
 139        char            *message_id;
 140        struct string_list *ref_message_ids;
 141        const char      *add_signoff;
 142        const char      *extra_headers;
 143        const char      *log_reencode;
 144        const char      *subject_prefix;
 145        int             no_inline;
 146        int             show_log_size;
 147        struct string_list *mailmap;
 148
 149        /* Filter by commit log message */
 150        struct grep_opt grep_filter;
 151
 152        /* Display history graph */
 153        struct git_graph *graph;
 154
 155        /* special limits */
 156        int skip_count;
 157        int max_count;
 158        unsigned long max_age;
 159        unsigned long min_age;
 160        int min_parents;
 161        int max_parents;
 162
 163        /* diff info for patches and for paths limiting */
 164        struct diff_options diffopt;
 165        struct diff_options pruning;
 166
 167        struct reflog_walk_info *reflog_info;
 168        struct decoration children;
 169        struct decoration merge_simplification;
 170
 171        /* notes-specific options: which refs to show */
 172        struct display_notes_opt notes_opt;
 173
 174        /* commit counts */
 175        int count_left;
 176        int count_right;
 177        int count_same;
 178};
 179
 180#define REV_TREE_SAME           0
 181#define REV_TREE_NEW            1       /* Only new files */
 182#define REV_TREE_OLD            2       /* Only files removed */
 183#define REV_TREE_DIFFERENT      3       /* Mixed changes */
 184
 185/* revision.c */
 186typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 187extern volatile show_early_output_fn_t show_early_output;
 188
 189struct setup_revision_opt {
 190        const char *def;
 191        void (*tweak)(struct rev_info *, struct setup_revision_opt *);
 192        const char *submodule;
 193        int assume_dashdash;
 194        unsigned revarg_opt;
 195};
 196
 197extern void init_revisions(struct rev_info *revs, const char *prefix);
 198extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
 199extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 200                                 const struct option *options,
 201                                 const char * const usagestr[]);
 202#define REVARG_CANNOT_BE_FILENAME 01
 203#define REVARG_COMMITTISH 02
 204extern int handle_revision_arg(const char *arg, struct rev_info *revs, int flags, unsigned revarg_opt);
 205
 206extern void reset_revision_walk(void);
 207extern int prepare_revision_walk(struct rev_info *revs);
 208extern struct commit *get_revision(struct rev_info *revs);
 209extern char *get_revision_mark(const struct rev_info *revs, const struct commit *commit);
 210extern void put_revision_mark(const struct rev_info *revs, const struct commit *commit);
 211
 212extern void mark_parents_uninteresting(struct commit *commit);
 213extern void mark_tree_uninteresting(struct tree *tree);
 214
 215struct name_path {
 216        struct name_path *up;
 217        int elem_len;
 218        const char *elem;
 219};
 220
 221char *path_name(const struct name_path *path, const char *name);
 222
 223extern void show_object_with_name(FILE *, struct object *, const struct name_path *, const char *);
 224
 225extern void add_object(struct object *obj,
 226                       struct object_array *p,
 227                       struct name_path *path,
 228                       const char *name);
 229
 230extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 231extern void add_pending_sha1(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags);
 232
 233extern void add_head_to_pending(struct rev_info *);
 234
 235enum commit_action {
 236        commit_ignore,
 237        commit_show,
 238        commit_error
 239};
 240
 241extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
 242extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 243
 244#endif