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1 | #ifndef APPLY_H | |
2 | #define APPLY_H | |
3 | ||
4 | #include "lockfile.h" | |
5 | #include "string-list.h" | |
6 | ||
7 | struct repository; | |
8 | ||
9 | enum apply_ws_error_action { | |
10 | nowarn_ws_error, | |
11 | warn_on_ws_error, | |
12 | die_on_ws_error, | |
13 | correct_ws_error | |
14 | }; | |
15 | ||
16 | enum apply_ws_ignore { | |
17 | ignore_ws_none, | |
18 | ignore_ws_change | |
19 | }; | |
20 | ||
21 | enum apply_verbosity { | |
22 | verbosity_silent = -1, | |
23 | verbosity_normal = 0, | |
24 | verbosity_verbose = 1 | |
25 | }; | |
26 | ||
27 | /* | |
28 | * We need to keep track of how symlinks in the preimage are | |
29 | * manipulated by the patches. A patch to add a/b/c where a/b | |
30 | * is a symlink should not be allowed to affect the directory | |
31 | * the symlink points at, but if the same patch removes a/b, | |
32 | * it is perfectly fine, as the patch removes a/b to make room | |
33 | * to create a directory a/b so that a/b/c can be created. | |
34 | * | |
35 | * See also "struct string_list symlink_changes" in "struct | |
36 | * apply_state". | |
37 | */ | |
38 | #define APPLY_SYMLINK_GOES_AWAY 01 | |
39 | #define APPLY_SYMLINK_IN_RESULT 02 | |
40 | ||
41 | struct apply_state { | |
42 | const char *prefix; | |
43 | ||
44 | /* Lock file */ | |
45 | struct lock_file lock_file; | |
46 | ||
47 | /* These control what gets looked at and modified */ | |
48 | int apply; /* this is not a dry-run */ | |
49 | int cached; /* apply to the index only */ | |
50 | int check; /* preimage must match working tree, don't actually apply */ | |
51 | int check_index; /* preimage must match the indexed version */ | |
52 | int update_index; /* check_index && apply */ | |
53 | int ita_only; /* add intent-to-add entries to the index */ | |
54 | ||
55 | /* These control cosmetic aspect of the output */ | |
56 | int diffstat; /* just show a diffstat, and don't actually apply */ | |
57 | int numstat; /* just show a numeric diffstat, and don't actually apply */ | |
58 | int summary; /* just report creation, deletion, etc, and don't actually apply */ | |
59 | ||
60 | /* These boolean parameters control how the apply is done */ | |
61 | int allow_overlap; | |
62 | int apply_in_reverse; | |
63 | int apply_with_reject; | |
64 | int no_add; | |
65 | int threeway; | |
66 | int unidiff_zero; | |
67 | int unsafe_paths; | |
68 | ||
69 | /* Other non boolean parameters */ | |
70 | struct repository *repo; | |
71 | const char *index_file; | |
72 | enum apply_verbosity apply_verbosity; | |
73 | const char *fake_ancestor; | |
74 | const char *patch_input_file; | |
75 | int line_termination; | |
76 | struct strbuf root; | |
77 | int p_value; | |
78 | int p_value_known; | |
79 | unsigned int p_context; | |
80 | ||
81 | /* Exclude and include path parameters */ | |
82 | struct string_list limit_by_name; | |
83 | int has_include; | |
84 | ||
85 | /* Various "current state" */ | |
86 | int linenr; /* current line number */ | |
87 | struct string_list symlink_changes; /* we have to track symlinks */ | |
88 | ||
89 | /* | |
90 | * For "diff-stat" like behaviour, we keep track of the biggest change | |
91 | * we've seen, and the longest filename. That allows us to do simple | |
92 | * scaling. | |
93 | */ | |
94 | int max_change; | |
95 | int max_len; | |
96 | ||
97 | /* | |
98 | * Records filenames that have been touched, in order to handle | |
99 | * the case where more than one patches touch the same file. | |
100 | */ | |
101 | struct string_list fn_table; | |
102 | ||
103 | /* | |
104 | * This is to save reporting routines before using | |
105 | * set_error_routine() or set_warn_routine() to install muting | |
106 | * routines when in verbosity_silent mode. | |
107 | */ | |
108 | void (*saved_error_routine)(const char *err, va_list params); | |
109 | void (*saved_warn_routine)(const char *warn, va_list params); | |
110 | ||
111 | /* These control whitespace errors */ | |
112 | enum apply_ws_error_action ws_error_action; | |
113 | enum apply_ws_ignore ws_ignore_action; | |
114 | const char *whitespace_option; | |
115 | int whitespace_error; | |
116 | int squelch_whitespace_errors; | |
117 | int applied_after_fixing_ws; | |
118 | }; | |
119 | ||
120 | int apply_parse_options(int argc, const char **argv, | |
121 | struct apply_state *state, | |
122 | int *force_apply, int *options, | |
123 | const char * const *apply_usage); | |
124 | int init_apply_state(struct apply_state *state, | |
125 | struct repository *repo, | |
126 | const char *prefix); | |
127 | void clear_apply_state(struct apply_state *state); | |
128 | int check_apply_state(struct apply_state *state, int force_apply); | |
129 | ||
130 | /* | |
131 | * Some aspects of the apply behavior are controlled by the following | |
132 | * bits in the "options" parameter passed to apply_all_patches(). | |
133 | */ | |
134 | #define APPLY_OPT_INACCURATE_EOF (1<<0) /* accept inaccurate eof */ | |
135 | #define APPLY_OPT_RECOUNT (1<<1) /* accept inaccurate line count */ | |
136 | ||
137 | int apply_all_patches(struct apply_state *state, | |
138 | int argc, const char **argv, | |
139 | int options); | |
140 | ||
141 | #endif |