d863cf88676ef321aad85d395f964efe5673a805
1#ifndef MERGE_RECURSIVE_H
2#define MERGE_RECURSIVE_H
3
4#include "unpack-trees.h"
5#include "string-list.h"
6
7struct merge_options {
8 const char *ancestor;
9 const char *branch1;
10 const char *branch2;
11 enum {
12 MERGE_RECURSIVE_NORMAL = 0,
13 MERGE_RECURSIVE_OURS,
14 MERGE_RECURSIVE_THEIRS
15 } recursive_variant;
16 const char *subtree_shift;
17 unsigned buffer_output; /* 1: output at end, 2: keep buffered */
18 unsigned renormalize : 1;
19 long xdl_opts;
20 int verbosity;
21 int detect_rename;
22 int diff_rename_limit;
23 int merge_rename_limit;
24 int rename_score;
25 int needed_rename_limit;
26 int show_rename_progress;
27 int call_depth;
28 struct strbuf obuf;
29 struct hashmap current_file_dir_set;
30 struct string_list df_conflict_file_set;
31 struct unpack_trees_options unpack_opts;
32};
33
34/*
35 * For dir_rename_entry, directory names are stored as a full path from the
36 * toplevel of the repository and do not include a trailing '/'. Also:
37 *
38 * dir: original name of directory being renamed
39 * non_unique_new_dir: if true, could not determine new_dir
40 * new_dir: final name of directory being renamed
41 * possible_new_dirs: temporary used to help determine new_dir; see comments
42 * in get_directory_renames() for details
43 */
44struct dir_rename_entry {
45 struct hashmap_entry ent; /* must be the first member! */
46 char *dir;
47 unsigned non_unique_new_dir:1;
48 struct strbuf new_dir;
49 struct string_list possible_new_dirs;
50};
51
52struct collision_entry {
53 struct hashmap_entry ent; /* must be the first member! */
54 char *target_file;
55 struct string_list source_files;
56 unsigned reported_already:1;
57};
58
59/* merge_trees() but with recursive ancestor consolidation */
60int merge_recursive(struct merge_options *o,
61 struct commit *h1,
62 struct commit *h2,
63 struct commit_list *ancestors,
64 struct commit **result);
65
66/* rename-detecting three-way merge, no recursion */
67int merge_trees(struct merge_options *o,
68 struct tree *head,
69 struct tree *merge,
70 struct tree *common,
71 struct tree **result);
72
73/*
74 * "git-merge-recursive" can be fed trees; wrap them into
75 * virtual commits and call merge_recursive() proper.
76 */
77int merge_recursive_generic(struct merge_options *o,
78 const struct object_id *head,
79 const struct object_id *merge,
80 int num_ca,
81 const struct object_id **ca,
82 struct commit **result);
83
84void init_merge_options(struct merge_options *o);
85struct tree *write_tree_from_memory(struct merge_options *o);
86
87int parse_merge_opt(struct merge_options *out, const char *s);
88
89#endif