revision.h

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