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