revision.h

   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
  18 struct rev_info;
  19 struct log_info;
  20
  21 struct 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                         tag_objects:1,
  47                         tree_objects:1,
  48                         blob_objects:1,
  49                         edge_hint:1,
  50                         limited:1,
  51                         unpacked:1, /* see also ignore_packed below */
  52                         boundary:2,
  53                         left_right:1,
  54                         rewrite_parents:1,
  55                         print_parents:1,
  56                         reverse:1,
  57                         reverse_output_stage:1,
  58                         cherry_pick:1,
  59                         first_parent_only:1;
  60
  61         /* Diff flags */
  62         unsigned int    diff:1,
  63                         full_diff:1,
  64                         show_root_diff:1,
  65                         no_commit_id:1,
  66                         verbose_header:1,
  67                         ignore_merges:1,
  68                         combine_merges:1,
  69                         dense_combined_merges:1,
  70                         always_show_header:1;
  71
  72         /* Format info */
  73         unsigned int    shown_one:1,
  74                         show_merge:1,
  75                         abbrev_commit:1,
  76                         use_terminator:1,
  77                         missing_newline:1;
  78         enum date_mode date_mode;
  79
  80         const char **ignore_packed; /* pretend objects in these are unpacked */
  81         int num_ignore_packed;
  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         char            *message_id;
  89         const char      *ref_message_id;
  90         const char      *add_signoff;
  91         const char      *extra_headers;
  92         const char      *log_reencode;
  93         const char      *subject_prefix;
  94         int             no_inline;
  95         int             show_log_size;
  96
  97         /* Filter by commit log message */
  98         struct grep_opt grep_filter;
  99
 100         /* Display history graph */
 101         struct git_graph *graph;
 102
 103         /* special limits */
 104         int skip_count;
 105         int max_count;
 106         unsigned long max_age;
 107         unsigned long min_age;
 108
 109         /* diff info for patches and for paths limiting */
 110         struct diff_options diffopt;
 111         struct diff_options pruning;
 112
 113         struct reflog_walk_info *reflog_info;
 114         struct decoration children;
 115         struct decoration merge_simplification;
 116 };
 117
 118 #define REV_TREE_SAME           0
 119 #define REV_TREE_NEW            1
 120 #define REV_TREE_DIFFERENT      2
 121
 122 /* revision.c */
 123 void read_revisions_from_stdin(struct rev_info *revs);
 124
 125 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 126 extern volatile show_early_output_fn_t show_early_output;
 127
 128 extern void init_revisions(struct rev_info *revs, const char *prefix);
 129 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
 130 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 131                                  const struct option *options,
 132                                  const char * const usagestr[]);
 133 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 134
 135 extern int prepare_revision_walk(struct rev_info *revs);
 136 extern struct commit *get_revision(struct rev_info *revs);
 137
 138 extern void mark_parents_uninteresting(struct commit *commit);
 139 extern void mark_tree_uninteresting(struct tree *tree);
 140
 141 struct name_path {
 142         struct name_path *up;
 143         int elem_len;
 144         const char *elem;
 145 };
 146
 147 extern void add_object(struct object *obj,
 148                        struct object_array *p,
 149                        struct name_path *path,
 150                        const char *name);
 151
 152 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 153
 154 extern void add_head_to_pending(struct rev_info *);
 155
 156 enum commit_action {
 157         commit_ignore,
 158         commit_show,
 159         commit_error
 160 };
 161
 162 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 163
 164 #endif