t/README: add missing value for GIT_TEST_DEFAULT_REF_FORMAT
[git/gitster.git] / repo-settings.c
blob4699b4b3650fc3571b0240e15b539ba19d179e20
1 #include "git-compat-util.h"
2 #include "config.h"
3 #include "repo-settings.h"
4 #include "repository.h"
5 #include "midx.h"
7 static void repo_cfg_bool(struct repository *r, const char *key, int *dest,
8 int def)
10 if (repo_config_get_bool(r, key, dest))
11 *dest = def;
14 static void repo_cfg_int(struct repository *r, const char *key, int *dest,
15 int def)
17 if (repo_config_get_int(r, key, dest))
18 *dest = def;
21 void prepare_repo_settings(struct repository *r)
23 const struct repo_settings defaults = REPO_SETTINGS_INIT;
24 int experimental;
25 int value;
26 const char *strval;
27 int manyfiles;
28 int read_changed_paths;
30 if (!r->gitdir)
31 BUG("Cannot add settings for uninitialized repository");
33 if (r->settings.initialized)
34 return;
36 memcpy(&r->settings, &defaults, sizeof(defaults));
37 r->settings.initialized++;
39 /* Booleans config or default, cascades to other settings */
40 repo_cfg_bool(r, "feature.manyfiles", &manyfiles, 0);
41 repo_cfg_bool(r, "feature.experimental", &experimental, 0);
43 /* Defaults modified by feature.* */
44 if (experimental) {
45 r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING;
46 r->settings.pack_use_bitmap_boundary_traversal = 1;
47 r->settings.pack_use_multi_pack_reuse = 1;
49 if (manyfiles) {
50 r->settings.index_version = 4;
51 r->settings.index_skip_hash = 1;
52 r->settings.core_untracked_cache = UNTRACKED_CACHE_WRITE;
55 /* Commit graph config or default, does not cascade (simple) */
56 repo_cfg_bool(r, "core.commitgraph", &r->settings.core_commit_graph, 1);
57 repo_cfg_int(r, "commitgraph.generationversion", &r->settings.commit_graph_generation_version, 2);
58 repo_cfg_bool(r, "commitgraph.readchangedpaths", &read_changed_paths, 1);
59 repo_cfg_int(r, "commitgraph.changedpathsversion",
60 &r->settings.commit_graph_changed_paths_version,
61 read_changed_paths ? -1 : 0);
62 repo_cfg_bool(r, "gc.writecommitgraph", &r->settings.gc_write_commit_graph, 1);
63 repo_cfg_bool(r, "fetch.writecommitgraph", &r->settings.fetch_write_commit_graph, 0);
65 /* Boolean config or default, does not cascade (simple) */
66 repo_cfg_bool(r, "pack.usesparse", &r->settings.pack_use_sparse, 1);
67 repo_cfg_bool(r, "core.multipackindex", &r->settings.core_multi_pack_index, 1);
68 repo_cfg_bool(r, "index.sparse", &r->settings.sparse_index, 0);
69 repo_cfg_bool(r, "index.skiphash", &r->settings.index_skip_hash, r->settings.index_skip_hash);
70 repo_cfg_bool(r, "pack.readreverseindex", &r->settings.pack_read_reverse_index, 1);
71 repo_cfg_bool(r, "pack.usebitmapboundarytraversal",
72 &r->settings.pack_use_bitmap_boundary_traversal,
73 r->settings.pack_use_bitmap_boundary_traversal);
74 repo_cfg_bool(r, "core.usereplacerefs", &r->settings.read_replace_refs, 1);
77 * The GIT_TEST_MULTI_PACK_INDEX variable is special in that
78 * either it *or* the config sets
79 * r->settings.core_multi_pack_index if true. We don't take
80 * the environment variable if it exists (even if false) over
81 * any config, as in most other cases.
83 if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX, 0))
84 r->settings.core_multi_pack_index = 1;
87 * Non-boolean config
89 if (!repo_config_get_int(r, "index.version", &value))
90 r->settings.index_version = value;
92 if (!repo_config_get_string_tmp(r, "core.untrackedcache", &strval)) {
93 int v = git_parse_maybe_bool(strval);
96 * If it's set to "keep", or some other non-boolean
97 * value then "v < 0". Then we do nothing and keep it
98 * at the default of UNTRACKED_CACHE_KEEP.
100 if (v >= 0)
101 r->settings.core_untracked_cache = v ?
102 UNTRACKED_CACHE_WRITE : UNTRACKED_CACHE_REMOVE;
105 if (!repo_config_get_string_tmp(r, "fetch.negotiationalgorithm", &strval)) {
106 int fetch_default = r->settings.fetch_negotiation_algorithm;
107 if (!strcasecmp(strval, "skipping"))
108 r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING;
109 else if (!strcasecmp(strval, "noop"))
110 r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_NOOP;
111 else if (!strcasecmp(strval, "consecutive"))
112 r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_CONSECUTIVE;
113 else if (!strcasecmp(strval, "default"))
114 r->settings.fetch_negotiation_algorithm = fetch_default;
115 else
116 die("unknown fetch negotiation algorithm '%s'", strval);
120 * This setting guards all index reads to require a full index
121 * over a sparse index. After suitable guards are placed in the
122 * codebase around uses of the index, this setting will be
123 * removed.
125 r->settings.command_requires_full_index = 1;
128 enum log_refs_config repo_settings_get_log_all_ref_updates(struct repository *repo)
130 const char *value;
132 if (!repo_config_get_string_tmp(repo, "core.logallrefupdates", &value)) {
133 if (value && !strcasecmp(value, "always"))
134 return LOG_REFS_ALWAYS;
135 else if (git_config_bool("core.logallrefupdates", value))
136 return LOG_REFS_NORMAL;
137 else
138 return LOG_REFS_NONE;
141 return LOG_REFS_UNSET;
144 int repo_settings_get_warn_ambiguous_refs(struct repository *repo)
146 prepare_repo_settings(repo);
147 if (repo->settings.warn_ambiguous_refs < 0)
148 repo_cfg_bool(repo, "core.warnambiguousrefs",
149 &repo->settings.warn_ambiguous_refs, 1);
150 return repo->settings.warn_ambiguous_refs;