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1 | #ifndef UNPACK_TREES_H | |
2 | #define UNPACK_TREES_H | |
3 | ||
4 | #include "cache.h" | |
5 | #include "strvec.h" | |
6 | #include "string-list.h" | |
7 | #include "tree-walk.h" | |
8 | ||
9 | #define MAX_UNPACK_TREES MAX_TRAVERSE_TREES | |
10 | ||
11 | struct cache_entry; | |
12 | struct unpack_trees_options; | |
13 | struct pattern_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_WOULD_LOSE_SUBMODULE, | |
26 | ||
27 | NB_UNPACK_TREES_ERROR_TYPES, | |
28 | ||
29 | WARNING_SPARSE_NOT_UPTODATE_FILE, | |
30 | WARNING_SPARSE_UNMERGED_FILE, | |
31 | WARNING_SPARSE_ORPHANED_NOT_OVERWRITTEN, | |
32 | ||
33 | NB_UNPACK_TREES_WARNING_TYPES, | |
34 | }; | |
35 | ||
36 | /* | |
37 | * Sets the list of user-friendly error messages to be used by the | |
38 | * command "cmd" (either merge or checkout), and show_all_errors to 1. | |
39 | */ | |
40 | void setup_unpack_trees_porcelain(struct unpack_trees_options *opts, | |
41 | const char *cmd); | |
42 | ||
43 | /* | |
44 | * Frees resources allocated by setup_unpack_trees_porcelain(). | |
45 | */ | |
46 | void clear_unpack_trees_porcelain(struct unpack_trees_options *opts); | |
47 | ||
48 | struct unpack_trees_options { | |
49 | unsigned int reset, | |
50 | merge, | |
51 | update, | |
52 | clone, | |
53 | index_only, | |
54 | nontrivial_merge, | |
55 | trivial_merges_only, | |
56 | verbose_update, | |
57 | aggressive, | |
58 | skip_unmerged, | |
59 | initial_checkout, | |
60 | diff_index_cached, | |
61 | debug_unpack, | |
62 | skip_sparse_checkout, | |
63 | quiet, | |
64 | exiting_early, | |
65 | show_all_errors, | |
66 | dry_run; | |
67 | const char *prefix; | |
68 | int cache_bottom; | |
69 | struct dir_struct *dir; | |
70 | struct pathspec *pathspec; | |
71 | merge_fn_t fn; | |
72 | const char *msgs[NB_UNPACK_TREES_WARNING_TYPES]; | |
73 | struct strvec msgs_to_free; | |
74 | /* | |
75 | * Store error messages in an array, each case | |
76 | * corresponding to a error message type | |
77 | */ | |
78 | struct string_list unpack_rejects[NB_UNPACK_TREES_WARNING_TYPES]; | |
79 | ||
80 | int head_idx; | |
81 | int merge_size; | |
82 | ||
83 | struct cache_entry *df_conflict_entry; | |
84 | void *unpack_data; | |
85 | ||
86 | struct index_state *dst_index; | |
87 | struct index_state *src_index; | |
88 | struct index_state result; | |
89 | ||
90 | struct pattern_list *pl; /* for internal use */ | |
91 | struct checkout_metadata meta; | |
92 | }; | |
93 | ||
94 | int unpack_trees(unsigned n, struct tree_desc *t, | |
95 | struct unpack_trees_options *options); | |
96 | ||
97 | enum update_sparsity_result { | |
98 | UPDATE_SPARSITY_SUCCESS = 0, | |
99 | UPDATE_SPARSITY_WARNINGS = 1, | |
100 | UPDATE_SPARSITY_INDEX_UPDATE_FAILURES = -1, | |
101 | UPDATE_SPARSITY_WORKTREE_UPDATE_FAILURES = -2 | |
102 | }; | |
103 | ||
104 | enum update_sparsity_result update_sparsity(struct unpack_trees_options *options); | |
105 | ||
106 | int verify_uptodate(const struct cache_entry *ce, | |
107 | struct unpack_trees_options *o); | |
108 | ||
109 | int threeway_merge(const struct cache_entry * const *stages, | |
110 | struct unpack_trees_options *o); | |
111 | int twoway_merge(const struct cache_entry * const *src, | |
112 | struct unpack_trees_options *o); | |
113 | int bind_merge(const struct cache_entry * const *src, | |
114 | struct unpack_trees_options *o); | |
115 | int oneway_merge(const struct cache_entry * const *src, | |
116 | struct unpack_trees_options *o); | |
117 | int stash_worktree_untracked_merge(const struct cache_entry * const *src, | |
118 | struct unpack_trees_options *o); | |
119 | ||
120 | #endif |