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1 | #ifndef UNPACK_TREES_H | |
2 | #define UNPACK_TREES_H | |
3 | ||
4 | #include "cache.h" | |
5 | #include "argv-array.h" | |
6 | #include "string-list.h" | |
7 | #include "tree-walk.h" | |
8 | ||
9 | #define MAX_UNPACK_TREES 8 | |
10 | ||
11 | struct cache_entry; | |
12 | struct unpack_trees_options; | |
13 | struct exclude_list; | |
14 | ||
15 | typedef int (*merge_fn_t)(const struct cache_entry * const *src, | |
16 | struct unpack_trees_options *options); | |
17 | ||
18 | enum unpack_trees_error_types { | |
19 | ERROR_WOULD_OVERWRITE = 0, | |
20 | ERROR_NOT_UPTODATE_FILE, | |
21 | ERROR_NOT_UPTODATE_DIR, | |
22 | ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN, | |
23 | ERROR_WOULD_LOSE_UNTRACKED_REMOVED, | |
24 | ERROR_BIND_OVERLAP, | |
25 | ERROR_SPARSE_NOT_UPTODATE_FILE, | |
26 | ERROR_WOULD_LOSE_ORPHANED_OVERWRITTEN, | |
27 | ERROR_WOULD_LOSE_ORPHANED_REMOVED, | |
28 | ERROR_WOULD_LOSE_SUBMODULE, | |
29 | NB_UNPACK_TREES_ERROR_TYPES | |
30 | }; | |
31 | ||
32 | /* | |
33 | * Sets the list of user-friendly error messages to be used by the | |
34 | * command "cmd" (either merge or checkout), and show_all_errors to 1. | |
35 | */ | |
36 | void setup_unpack_trees_porcelain(struct unpack_trees_options *opts, | |
37 | const char *cmd); | |
38 | ||
39 | /* | |
40 | * Frees resources allocated by setup_unpack_trees_porcelain(). | |
41 | */ | |
42 | void clear_unpack_trees_porcelain(struct unpack_trees_options *opts); | |
43 | ||
44 | struct unpack_trees_options { | |
45 | unsigned int reset, | |
46 | merge, | |
47 | update, | |
48 | clone, | |
49 | index_only, | |
50 | nontrivial_merge, | |
51 | trivial_merges_only, | |
52 | verbose_update, | |
53 | aggressive, | |
54 | skip_unmerged, | |
55 | initial_checkout, | |
56 | diff_index_cached, | |
57 | debug_unpack, | |
58 | skip_sparse_checkout, | |
59 | quiet, | |
60 | exiting_early, | |
61 | show_all_errors, | |
62 | dry_run; | |
63 | const char *prefix; | |
64 | int cache_bottom; | |
65 | struct dir_struct *dir; | |
66 | struct pathspec *pathspec; | |
67 | merge_fn_t fn; | |
68 | const char *msgs[NB_UNPACK_TREES_ERROR_TYPES]; | |
69 | struct argv_array msgs_to_free; | |
70 | /* | |
71 | * Store error messages in an array, each case | |
72 | * corresponding to a error message type | |
73 | */ | |
74 | struct string_list unpack_rejects[NB_UNPACK_TREES_ERROR_TYPES]; | |
75 | ||
76 | int head_idx; | |
77 | int merge_size; | |
78 | ||
79 | struct cache_entry *df_conflict_entry; | |
80 | void *unpack_data; | |
81 | ||
82 | struct index_state *dst_index; | |
83 | struct index_state *src_index; | |
84 | struct index_state result; | |
85 | ||
86 | struct exclude_list *el; /* for internal use */ | |
87 | }; | |
88 | ||
89 | int unpack_trees(unsigned n, struct tree_desc *t, | |
90 | struct unpack_trees_options *options); | |
91 | ||
92 | int verify_uptodate(const struct cache_entry *ce, | |
93 | struct unpack_trees_options *o); | |
94 | ||
95 | int threeway_merge(const struct cache_entry * const *stages, | |
96 | struct unpack_trees_options *o); | |
97 | int twoway_merge(const struct cache_entry * const *src, | |
98 | struct unpack_trees_options *o); | |
99 | int bind_merge(const struct cache_entry * const *src, | |
100 | struct unpack_trees_options *o); | |
101 | int oneway_merge(const struct cache_entry * const *src, | |
102 | struct unpack_trees_options *o); | |
103 | ||
104 | #endif |