repo-settings.c

   1 #include "cache.h"
   2 #include "config.h"
   3 #include "repository.h"
   4 #include "midx.h"
   5
   6 static void repo_cfg_bool(struct repository *r, const char *key, int *dest,
   7                           int def)
   8 {
   9         if (repo_config_get_bool(r, key, dest))
  10                 *dest = def;
  11 }
  12
  13 void prepare_repo_settings(struct repository *r)
  14 {
  15         int experimental;
  16         int value;
  17         char *strval;
  18         int manyfiles;
  19
  20         if (r->settings.initialized++)
  21                 return;
  22
  23         /* Defaults */
  24         r->settings.index_version = -1;
  25         r->settings.core_untracked_cache = UNTRACKED_CACHE_KEEP;
  26         r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_DEFAULT;
  27
  28         /* Booleans config or default, cascades to other settings */
  29         repo_cfg_bool(r, "feature.manyfiles", &manyfiles, 0);
  30         repo_cfg_bool(r, "feature.experimental", &experimental, 0);
  31
  32         /* Defaults modified by feature.* */
  33         if (experimental) {
  34                 r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING;
  35         }
  36         if (manyfiles) {
  37                 r->settings.index_version = 4;
  38                 r->settings.core_untracked_cache = UNTRACKED_CACHE_WRITE;
  39         }
  40
  41         /* Boolean config or default, does not cascade (simple)  */
  42         repo_cfg_bool(r, "core.commitgraph", &r->settings.core_commit_graph, 1);
  43         repo_cfg_bool(r, "commitgraph.readchangedpaths", &r->settings.commit_graph_read_changed_paths, 1);
  44         repo_cfg_bool(r, "gc.writecommitgraph", &r->settings.gc_write_commit_graph, 1);
  45         repo_cfg_bool(r, "fetch.writecommitgraph", &r->settings.fetch_write_commit_graph, 0);
  46         repo_cfg_bool(r, "pack.usesparse", &r->settings.pack_use_sparse, 1);
  47         repo_cfg_bool(r, "core.multipackindex", &r->settings.core_multi_pack_index, 1);
  48         repo_cfg_bool(r, "index.sparse", &r->settings.sparse_index, 0);
  49
  50         /*
  51          * The GIT_TEST_MULTI_PACK_INDEX variable is special in that
  52          * either it *or* the config sets
  53          * r->settings.core_multi_pack_index if true. We don't take
  54          * the environment variable if it exists (even if false) over
  55          * any config, as in most other cases.
  56          */
  57         if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX, 0))
  58                 r->settings.core_multi_pack_index = 1;
  59
  60         /*
  61          * Non-boolean config
  62          */
  63         if (!repo_config_get_int(r, "index.version", &value))
  64                 r->settings.index_version = value;
  65
  66         if (!repo_config_get_string(r, "core.untrackedcache", &strval)) {
  67                 int v = git_parse_maybe_bool(strval);
  68
  69                 /*
  70                  * If it's set to "keep", or some other non-boolean
  71                  * value then "v < 0". Then we do nothing and keep it
  72                  * at the default of UNTRACKED_CACHE_KEEP.
  73                  */
  74                 if (v >= 0)
  75                         r->settings.core_untracked_cache = v ?
  76                                 UNTRACKED_CACHE_WRITE : UNTRACKED_CACHE_REMOVE;
  77                 free(strval);
  78         }
  79
  80         if (!repo_config_get_string(r, "fetch.negotiationalgorithm", &strval)) {
  81                 if (!strcasecmp(strval, "skipping"))
  82                         r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING;
  83                 else if (!strcasecmp(strval, "noop"))
  84                         r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_NOOP;
  85         }
  86
  87         /*
  88          * This setting guards all index reads to require a full index
  89          * over a sparse index. After suitable guards are placed in the
  90          * codebase around uses of the index, this setting will be
  91          * removed.
  92          */
  93         r->settings.command_requires_full_index = 1;
  94 }