1 /*
2 * Copyright (C) the libgit2 contributors. All rights reserved.
3 *
4 * This file is part of libgit2, distributed under the GNU GPL v2 with
5 * a Linking Exception. For full terms see the included COPYING file.
6 */
7
8 #include "common.h"
9
10 #include "fileops.h"
11 #include "repository.h"
12 #include "config.h"
13 #include "git2/config.h"
14 #include "vector.h"
15 #include "filter.h"
16
17 struct map_data {
18 const char *cvar_name;
19 git_cvar_map *maps;
20 size_t map_count;
21 int default_value;
22 };
23
24 /*
25 * core.eol
26 * Sets the line ending type to use in the working directory for
27 * files that have the text property set. Alternatives are lf, crlf
28 * and native, which uses the platform's native line ending. The default
29 * value is native. See gitattributes(5) for more information on
30 * end-of-line conversion.
31 */
32 static git_cvar_map _cvar_map_eol[] = {
33 {GIT_CVAR_FALSE, NULL, GIT_EOL_UNSET},
34 {GIT_CVAR_STRING, "lf", GIT_EOL_LF},
35 {GIT_CVAR_STRING, "crlf", GIT_EOL_CRLF},
36 {GIT_CVAR_STRING, "native", GIT_EOL_NATIVE}
37 };
38
39 /*
40 * core.autocrlf
41 * Setting this variable to "true" is almost the same as setting
42 * the text attribute to "auto" on all files except that text files are
43 * not guaranteed to be normalized: files that contain CRLF in the
44 * repository will not be touched. Use this setting if you want to have
45 * CRLF line endings in your working directory even though the repository
46 * does not have normalized line endings. This variable can be set to input,
47 * in which case no output conversion is performed.
48 */
49 static git_cvar_map _cvar_map_autocrlf[] = {
50 {GIT_CVAR_FALSE, NULL, GIT_AUTO_CRLF_FALSE},
51 {GIT_CVAR_TRUE, NULL, GIT_AUTO_CRLF_TRUE},
52 {GIT_CVAR_STRING, "input", GIT_AUTO_CRLF_INPUT}
53 };
54
55 static git_cvar_map _cvar_map_safecrlf[] = {
56 {GIT_CVAR_FALSE, NULL, GIT_SAFE_CRLF_FALSE},
57 {GIT_CVAR_TRUE, NULL, GIT_SAFE_CRLF_FAIL},
58 {GIT_CVAR_STRING, "warn", GIT_SAFE_CRLF_WARN}
59 };
60
61 /*
62 * Generic map for integer values
63 */
64 static git_cvar_map _cvar_map_int[] = {
65 {GIT_CVAR_INT32, NULL, 0},
66 };
67
68 static struct map_data _cvar_maps[] = {
69 {"core.autocrlf", _cvar_map_autocrlf, ARRAY_SIZE(_cvar_map_autocrlf), GIT_AUTO_CRLF_DEFAULT},
70 {"core.eol", _cvar_map_eol, ARRAY_SIZE(_cvar_map_eol), GIT_EOL_DEFAULT},
71 {"core.symlinks", NULL, 0, GIT_SYMLINKS_DEFAULT },
72 {"core.ignorecase", NULL, 0, GIT_IGNORECASE_DEFAULT },
73 {"core.filemode", NULL, 0, GIT_FILEMODE_DEFAULT },
74 {"core.ignorestat", NULL, 0, GIT_IGNORESTAT_DEFAULT },
75 {"core.trustctime", NULL, 0, GIT_TRUSTCTIME_DEFAULT },
76 {"core.abbrev", _cvar_map_int, 1, GIT_ABBREV_DEFAULT },
77 {"core.precomposeunicode", NULL, 0, GIT_PRECOMPOSE_DEFAULT },
78 {"core.safecrlf", _cvar_map_safecrlf, ARRAY_SIZE(_cvar_map_safecrlf), GIT_SAFE_CRLF_DEFAULT},
79 {"core.logallrefupdates", NULL, 0, GIT_LOGALLREFUPDATES_DEFAULT },
80 {"core.protecthfs", NULL, 0, GIT_PROTECTHFS_DEFAULT },
81 {"core.protectntfs", NULL, 0, GIT_PROTECTNTFS_DEFAULT },
82 {"core.fsyncobjectfiles", NULL, 0, GIT_FSYNCOBJECTFILES_DEFAULT },
83 };
84
git_config__cvar(int * out,git_config * config,git_cvar_cached cvar)85 int git_config__cvar(int *out, git_config *config, git_cvar_cached cvar)
86 {
87 int error = 0;
88 struct map_data *data = &_cvar_maps[(int)cvar];
89 git_config_entry *entry;
90
91 if ((error = git_config__lookup_entry(&entry, config, data->cvar_name, false)) < 0)
92 return error;
93
94 if (!entry)
95 *out = data->default_value;
96 else if (data->maps)
97 error = git_config_lookup_map_value(
98 out, data->maps, data->map_count, entry->value);
99 else
100 error = git_config_parse_bool(out, entry->value);
101
102 git_config_entry_free(entry);
103 return error;
104 }
105
git_repository__cvar(int * out,git_repository * repo,git_cvar_cached cvar)106 int git_repository__cvar(int *out, git_repository *repo, git_cvar_cached cvar)
107 {
108 *out = repo->cvar_cache[(int)cvar];
109
110 if (*out == GIT_CVAR_NOT_CACHED) {
111 int error;
112 git_config *config;
113
114 if ((error = git_repository_config__weakptr(&config, repo)) < 0 ||
115 (error = git_config__cvar(out, config, cvar)) < 0)
116 return error;
117
118 repo->cvar_cache[(int)cvar] = *out;
119 }
120
121 return 0;
122 }
123
git_repository__cvar_cache_clear(git_repository * repo)124 void git_repository__cvar_cache_clear(git_repository *repo)
125 {
126 int i;
127
128 for (i = 0; i < GIT_CVAR_CACHE_MAX; ++i)
129 repo->cvar_cache[i] = GIT_CVAR_NOT_CACHED;
130 }
131
132