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   1 #ifndef MERGE_RECURSIVE_H
   2 #define MERGE_RECURSIVE_H
   3
   4 #include "string-list.h"
   5
   6 struct merge_options {
   7         const char *ancestor;
   8         const char *branch1;
   9         const char *branch2;
  10         enum {
  11                 MERGE_RECURSIVE_NORMAL = 0,
  12                 MERGE_RECURSIVE_OURS,
  13                 MERGE_RECURSIVE_THEIRS
  14         } recursive_variant;
  15         const char *subtree_shift;
  16         unsigned buffer_output : 1;
  17         unsigned renormalize : 1;
  18         long xdl_opts;
  19         int verbosity;
  20         int diff_rename_limit;
  21         int merge_rename_limit;
  22         int rename_score;
  23         int needed_rename_limit;
  24         int show_rename_progress;
  25         int call_depth;
  26         struct strbuf obuf;
  27         struct string_list current_file_set;
  28         struct string_list current_directory_set;
  29 };
  30
  31 /* merge_trees() but with recursive ancestor consolidation */
  32 int merge_recursive(struct merge_options *o,
  33                     struct commit *h1,
  34                     struct commit *h2,
  35                     struct commit_list *ancestors,
  36                     struct commit **result);
  37
  38 /* rename-detecting three-way merge, no recursion */
  39 int merge_trees(struct merge_options *o,
  40                 struct tree *head,
  41                 struct tree *merge,
  42                 struct tree *common,
  43                 struct tree **result);
  44
  45 /*
  46  * "git-merge-recursive" can be fed trees; wrap them into
  47  * virtual commits and call merge_recursive() proper.
  48  */
  49 int merge_recursive_generic(struct merge_options *o,
  50                             const unsigned char *head,
  51                             const unsigned char *merge,
  52                             int num_ca,
  53                             const unsigned char **ca,
  54                             struct commit **result);
  55
  56 void init_merge_options(struct merge_options *o);
  57 struct tree *write_tree_from_memory(struct merge_options *o);
  58
  59 int parse_merge_opt(struct merge_options *out, const char *s);
  60
  61 /* builtin/merge.c */
  62 int try_merge_command(const char *strategy, size_t xopts_nr,
  63                 const char **xopts, struct commit_list *common,
  64                 const char *head_arg, struct commit_list *remotes);
  65
  66 #endif