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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         int verbosity;
  19         int diff_rename_limit;
  20         int merge_rename_limit;
  21         int call_depth;
  22         struct strbuf obuf;
  23         struct string_list current_file_set;
  24         struct string_list current_directory_set;
  25 };
  26
  27 /*
  28  * Sets the list of user-friendly error messages to be used by the
  29  * command "cmd" (either merge or checkout)
  30  */
  31 void set_porcelain_error_msgs(const char **msgs, const char *cmd);
  32
  33 /* merge_trees() but with recursive ancestor consolidation */
  34 int merge_recursive(struct merge_options *o,
  35                     struct commit *h1,
  36                     struct commit *h2,
  37                     struct commit_list *ancestors,
  38                     struct commit **result);
  39
  40 /* rename-detecting three-way merge, no recursion */
  41 int merge_trees(struct merge_options *o,
  42                 struct tree *head,
  43                 struct tree *merge,
  44                 struct tree *common,
  45                 struct tree **result);
  46
  47 /*
  48  * "git-merge-recursive" can be fed trees; wrap them into
  49  * virtual commits and call merge_recursive() proper.
  50  */
  51 int merge_recursive_generic(struct merge_options *o,
  52                             const unsigned char *head,
  53                             const unsigned char *merge,
  54                             int num_ca,
  55                             const unsigned char **ca,
  56                             struct commit **result);
  57
  58 void init_merge_options(struct merge_options *o);
  59 struct tree *write_tree_from_memory(struct merge_options *o);
  60
  61 /* builtin/merge.c */
  62 int try_merge_command(const char *strategy, struct commit_list *common, const char *head_arg, struct commit_list *remotes);
  63
  64 #endif