archive: handle commits with an empty tree
[git/jnareb-git.git] / merge-recursive.h
blob9e090a347016ea715acf8d26ec5527f033b94ba1
1 #ifndef MERGE_RECURSIVE_H
2 #define MERGE_RECURSIVE_H
4 #include "string-list.h"
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 struct string_list df_conflict_file_set;
32 /* merge_trees() but with recursive ancestor consolidation */
33 int merge_recursive(struct merge_options *o,
34 struct commit *h1,
35 struct commit *h2,
36 struct commit_list *ancestors,
37 struct commit **result);
39 /* rename-detecting three-way merge, no recursion */
40 int merge_trees(struct merge_options *o,
41 struct tree *head,
42 struct tree *merge,
43 struct tree *common,
44 struct tree **result);
47 * "git-merge-recursive" can be fed trees; wrap them into
48 * virtual commits and call merge_recursive() proper.
50 int merge_recursive_generic(struct merge_options *o,
51 const unsigned char *head,
52 const unsigned char *merge,
53 int num_ca,
54 const unsigned char **ca,
55 struct commit **result);
57 void init_merge_options(struct merge_options *o);
58 struct tree *write_tree_from_memory(struct merge_options *o);
60 int parse_merge_opt(struct merge_options *out, const char *s);
62 #endif