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