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