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                        line_level_traverse:1;
 101
 102        /* Diff flags */
 103        unsigned int    diff:1,
 104                        full_diff:1,
 105                        show_root_diff:1,
 106                        no_commit_id:1,
 107                        verbose_header:1,
 108                        ignore_merges:1,
 109                        combine_merges:1,
 110                        dense_combined_merges:1,
 111                        always_show_header:1;
 112
 113        /* Format info */
 114        unsigned int    shown_one:1,
 115                        shown_dashes:1,
 116                        show_merge:1,
 117                        show_notes:1,
 118                        show_notes_given:1,
 119                        show_signature:1,
 120                        pretty_given:1,
 121                        abbrev_commit:1,
 122                        abbrev_commit_given:1,
 123                        use_terminator:1,
 124                        missing_newline:1,
 125                        date_mode_explicit:1,
 126                        preserve_subject:1;
 127        unsigned int    disable_stdin:1;
 128        unsigned int    leak_pending:1;
 129
 130        enum date_mode date_mode;
 131
 132        unsigned int    abbrev;
 133        enum cmit_fmt   commit_format;
 134        struct log_info *loginfo;
 135        int             nr, total;
 136        const char      *mime_boundary;
 137        const char      *patch_suffix;
 138        int             numbered_files;
 139        int             reroll_count;
 140        char            *message_id;
 141        struct string_list *ref_message_ids;
 142        const char      *add_signoff;
 143        const char      *extra_headers;
 144        const char      *log_reencode;
 145        const char      *subject_prefix;
 146        int             no_inline;
 147        int             show_log_size;
 148        struct string_list *mailmap;
 149
 150        /* Filter by commit log message */
 151        struct grep_opt grep_filter;
 152
 153        /* Display history graph */
 154        struct git_graph *graph;
 155
 156        /* special limits */
 157        int skip_count;
 158        int max_count;
 159        unsigned long max_age;
 160        unsigned long min_age;
 161        int min_parents;
 162        int max_parents;
 163
 164        /* diff info for patches and for paths limiting */
 165        struct diff_options diffopt;
 166        struct diff_options pruning;
 167
 168        struct reflog_walk_info *reflog_info;
 169        struct decoration children;
 170        struct decoration merge_simplification;
 171
 172        /* notes-specific options: which refs to show */
 173        struct display_notes_opt notes_opt;
 174
 175        /* commit counts */
 176        int count_left;
 177        int count_right;
 178        int count_same;
 179
 180        /* line level range that we are chasing */
 181        struct decoration line_log_data;
 182};
 183
 184#define REV_TREE_SAME           0
 185#define REV_TREE_NEW            1       /* Only new files */
 186#define REV_TREE_OLD            2       /* Only files removed */
 187#define REV_TREE_DIFFERENT      3       /* Mixed changes */
 188
 189/* revision.c */
 190typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 191extern volatile show_early_output_fn_t show_early_output;
 192
 193struct setup_revision_opt {
 194        const char *def;
 195        void (*tweak)(struct rev_info *, struct setup_revision_opt *);
 196        const char *submodule;
 197        int assume_dashdash;
 198        unsigned revarg_opt;
 199};
 200
 201extern void init_revisions(struct rev_info *revs, const char *prefix);
 202extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
 203extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 204                                 const struct option *options,
 205                                 const char * const usagestr[]);
 206#define REVARG_CANNOT_BE_FILENAME 01
 207#define REVARG_COMMITTISH 02
 208extern int handle_revision_arg(const char *arg, struct rev_info *revs, int flags, unsigned revarg_opt);
 209
 210extern void reset_revision_walk(void);
 211extern int prepare_revision_walk(struct rev_info *revs);
 212extern struct commit *get_revision(struct rev_info *revs);
 213extern char *get_revision_mark(const struct rev_info *revs, const struct commit *commit);
 214extern void put_revision_mark(const struct rev_info *revs, const struct commit *commit);
 215
 216extern void mark_parents_uninteresting(struct commit *commit);
 217extern void mark_tree_uninteresting(struct tree *tree);
 218
 219struct name_path {
 220        struct name_path *up;
 221        int elem_len;
 222        const char *elem;
 223};
 224
 225char *path_name(const struct name_path *path, const char *name);
 226
 227extern void show_object_with_name(FILE *, struct object *, const struct name_path *, const char *);
 228
 229extern void add_object(struct object *obj,
 230                       struct object_array *p,
 231                       struct name_path *path,
 232                       const char *name);
 233
 234extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 235extern void add_pending_sha1(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags);
 236
 237extern void add_head_to_pending(struct rev_info *);
 238
 239enum commit_action {
 240        commit_ignore,
 241        commit_show,
 242        commit_error
 243};
 244
 245extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
 246extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 247
 248enum rewrite_result {
 249        rewrite_one_ok,
 250        rewrite_one_noparents,
 251        rewrite_one_error
 252};
 253
 254typedef enum rewrite_result (*rewrite_parent_fn_t)(struct rev_info *revs, struct commit **pp);
 255
 256extern int rewrite_parents(struct rev_info *revs, struct commit *commit,
 257        rewrite_parent_fn_t rewrite_parent);
 258#endif