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1#include "git-compat-util.h"
2#include "config.h"
3#include "repo-settings.h"
4#include "repository.h"
5#include "midx.h"
6#include "pack-objects.h"
7#include "setup.h"
8
9static void repo_cfg_bool(struct repository *r, const char *key, int *dest,
10 int def)
11{
12 if (repo_config_get_bool(r, key, dest))
13 *dest = def;
14}
15
16static void repo_cfg_int(struct repository *r, const char *key, int *dest,
17 int def)
18{
19 if (repo_config_get_int(r, key, dest))
20 *dest = def;
21}
22
23static void repo_cfg_ulong(struct repository *r, const char *key, unsigned long *dest,
24 unsigned long def)
25{
26 if (repo_config_get_ulong(r, key, dest))
27 *dest = def;
28}
29
30void prepare_repo_settings(struct repository *r)
31{
32 int experimental;
33 int value;
34 const char *strval;
35 int manyfiles;
36 int read_changed_paths;
37 unsigned long ulongval;
38
39 if (!r->gitdir)
40 BUG("Cannot add settings for uninitialized repository");
41
42 if (r->settings.initialized)
43 return;
44
45 repo_settings_clear(r);
46 r->settings.initialized++;
47
48 /* Booleans config or default, cascades to other settings */
49 repo_cfg_bool(r, "feature.manyfiles", &manyfiles, 0);
50 repo_cfg_bool(r, "feature.experimental", &experimental, 0);
51
52 /* Defaults modified by feature.* */
53 if (experimental) {
54 r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING;
55 r->settings.pack_use_bitmap_boundary_traversal = 1;
56 r->settings.pack_use_multi_pack_reuse = 1;
57 r->settings.pack_use_path_walk = 1;
58 }
59 if (manyfiles) {
60 r->settings.index_version = 4;
61 r->settings.index_skip_hash = 1;
62 r->settings.core_untracked_cache = UNTRACKED_CACHE_WRITE;
63 r->settings.pack_use_path_walk = 1;
64 }
65
66 /* Commit graph config or default, does not cascade (simple) */
67 repo_cfg_bool(r, "core.commitgraph", &r->settings.core_commit_graph, 1);
68 repo_cfg_int(r, "commitgraph.generationversion", &r->settings.commit_graph_generation_version, 2);
69 repo_cfg_bool(r, "commitgraph.readchangedpaths", &read_changed_paths, 1);
70 repo_cfg_int(r, "commitgraph.changedpathsversion",
71 &r->settings.commit_graph_changed_paths_version,
72 read_changed_paths ? -1 : 0);
73 repo_cfg_bool(r, "gc.writecommitgraph", &r->settings.gc_write_commit_graph, 1);
74 repo_cfg_bool(r, "fetch.writecommitgraph", &r->settings.fetch_write_commit_graph, 0);
75
76 /* Boolean config or default, does not cascade (simple) */
77 repo_cfg_bool(r, "pack.usesparse", &r->settings.pack_use_sparse, 1);
78 repo_cfg_bool(r, "pack.usepathwalk", &r->settings.pack_use_path_walk, 0);
79 repo_cfg_bool(r, "core.multipackindex", &r->settings.core_multi_pack_index, 1);
80 repo_cfg_bool(r, "index.sparse", &r->settings.sparse_index, 0);
81 repo_cfg_bool(r, "index.skiphash", &r->settings.index_skip_hash, r->settings.index_skip_hash);
82 repo_cfg_bool(r, "pack.readreverseindex", &r->settings.pack_read_reverse_index, 1);
83 repo_cfg_bool(r, "pack.usebitmapboundarytraversal",
84 &r->settings.pack_use_bitmap_boundary_traversal,
85 r->settings.pack_use_bitmap_boundary_traversal);
86 repo_cfg_bool(r, "core.usereplacerefs", &r->settings.read_replace_refs, 1);
87
88 /*
89 * The GIT_TEST_MULTI_PACK_INDEX variable is special in that
90 * either it *or* the config sets
91 * r->settings.core_multi_pack_index if true. We don't take
92 * the environment variable if it exists (even if false) over
93 * any config, as in most other cases.
94 */
95 if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX, 0))
96 r->settings.core_multi_pack_index = 1;
97
98 /*
99 * Non-boolean config
100 */
101 if (!repo_config_get_int(r, "index.version", &value))
102 r->settings.index_version = value;
103
104 if (!repo_config_get_string_tmp(r, "core.untrackedcache", &strval)) {
105 int v = git_parse_maybe_bool(strval);
106
107 /*
108 * If it's set to "keep", or some other non-boolean
109 * value then "v < 0". Then we do nothing and keep it
110 * at the default of UNTRACKED_CACHE_KEEP.
111 */
112 if (v >= 0)
113 r->settings.core_untracked_cache = v ?
114 UNTRACKED_CACHE_WRITE : UNTRACKED_CACHE_REMOVE;
115 }
116
117 if (!repo_config_get_string_tmp(r, "fetch.negotiationalgorithm", &strval)) {
118 int fetch_default = r->settings.fetch_negotiation_algorithm;
119 if (!strcasecmp(strval, "skipping"))
120 r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING;
121 else if (!strcasecmp(strval, "noop"))
122 r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_NOOP;
123 else if (!strcasecmp(strval, "consecutive"))
124 r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_CONSECUTIVE;
125 else if (!strcasecmp(strval, "default"))
126 r->settings.fetch_negotiation_algorithm = fetch_default;
127 else
128 die("unknown fetch negotiation algorithm '%s'", strval);
129 }
130
131 /*
132 * This setting guards all index reads to require a full index
133 * over a sparse index. After suitable guards are placed in the
134 * codebase around uses of the index, this setting will be
135 * removed.
136 */
137 r->settings.command_requires_full_index = 1;
138
139 if (!repo_config_get_ulong(r, "core.deltabasecachelimit", &ulongval))
140 r->settings.delta_base_cache_limit = ulongval;
141
142 if (!repo_config_get_ulong(r, "core.packedgitwindowsize", &ulongval)) {
143 int pgsz_x2 = getpagesize() * 2;
144
145 /* This value must be multiple of (pagesize * 2) */
146 ulongval /= pgsz_x2;
147 if (ulongval < 1)
148 ulongval = 1;
149 r->settings.packed_git_window_size = ulongval * pgsz_x2;
150 }
151
152 if (!repo_config_get_ulong(r, "core.packedgitlimit", &ulongval))
153 r->settings.packed_git_limit = ulongval;
154}
155
156void repo_settings_clear(struct repository *r)
157{
158 struct repo_settings empty = REPO_SETTINGS_INIT;
159 FREE_AND_NULL(r->settings.fsmonitor);
160 FREE_AND_NULL(r->settings.hooks_path);
161 r->settings = empty;
162}
163
164unsigned long repo_settings_get_big_file_threshold(struct repository *repo)
165{
166 if (!repo->settings.big_file_threshold)
167 repo_cfg_ulong(repo, "core.bigfilethreshold",
168 &repo->settings.big_file_threshold, 512 * 1024 * 1024);
169 return repo->settings.big_file_threshold;
170}
171
172void repo_settings_set_big_file_threshold(struct repository *repo, unsigned long value)
173{
174 repo->settings.big_file_threshold = value;
175}
176
177enum log_refs_config repo_settings_get_log_all_ref_updates(struct repository *repo)
178{
179 const char *value;
180
181 if (!repo_config_get_string_tmp(repo, "core.logallrefupdates", &value)) {
182 if (value && !strcasecmp(value, "always"))
183 return LOG_REFS_ALWAYS;
184 else if (git_config_bool("core.logallrefupdates", value))
185 return LOG_REFS_NORMAL;
186 else
187 return LOG_REFS_NONE;
188 }
189
190 return LOG_REFS_UNSET;
191}
192
193int repo_settings_get_warn_ambiguous_refs(struct repository *repo)
194{
195 prepare_repo_settings(repo);
196 if (repo->settings.warn_ambiguous_refs < 0)
197 repo_cfg_bool(repo, "core.warnambiguousrefs",
198 &repo->settings.warn_ambiguous_refs, 1);
199 return repo->settings.warn_ambiguous_refs;
200}
201
202const char *repo_settings_get_hooks_path(struct repository *repo)
203{
204 if (!repo->settings.hooks_path)
205 repo_config_get_pathname(repo, "core.hookspath", &repo->settings.hooks_path);
206 return repo->settings.hooks_path;
207}
208
209int repo_settings_get_shared_repository(struct repository *repo)
210{
211 if (!repo->settings.shared_repository_initialized) {
212 const char *var = "core.sharedrepository";
213 const char *value;
214 if (!repo_config_get_value(repo, var, &value))
215 repo->settings.shared_repository = git_config_perm(var, value);
216 else
217 repo->settings.shared_repository = PERM_UMASK;
218 repo->settings.shared_repository_initialized = 1;
219 }
220 return repo->settings.shared_repository;
221}
222
223void repo_settings_set_shared_repository(struct repository *repo, int value)
224{
225 repo->settings.shared_repository = value;
226 repo->settings.shared_repository_initialized = 1;
227}
228
229void repo_settings_reset_shared_repository(struct repository *repo)
230{
231 repo->settings.shared_repository_initialized = 0;
232}