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->gitdir)
  21                 BUG("Cannot add settings for uninitialized repository");
  22
  23         if (r->settings.initialized++)
  24                 return;
  25
  26         /* Defaults */
  27         r->settings.index_version = -1;
  28         r->settings.core_untracked_cache = UNTRACKED_CACHE_KEEP;
  29         r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_CONSECUTIVE;
  30
  31         /* Booleans config or default, cascades to other settings */
  32         repo_cfg_bool(r, "feature.manyfiles", &manyfiles, 0);
  33         repo_cfg_bool(r, "feature.experimental", &experimental, 0);
  34
  35         /* Defaults modified by feature.* */
  36         if (experimental) {
  37                 r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING;
  38         }
  39         if (manyfiles) {
  40                 r->settings.index_version = 4;
  41                 r->settings.core_untracked_cache = UNTRACKED_CACHE_WRITE;
  42         }
  43
  44         /* Boolean config or default, does not cascade (simple)  */
  45         repo_cfg_bool(r, "core.commitgraph", &r->settings.core_commit_graph, 1);
  46         repo_cfg_bool(r, "commitgraph.readchangedpaths", &r->settings.commit_graph_read_changed_paths, 1);
  47         repo_cfg_bool(r, "gc.writecommitgraph", &r->settings.gc_write_commit_graph, 1);
  48         repo_cfg_bool(r, "fetch.writecommitgraph", &r->settings.fetch_write_commit_graph, 0);
  49         repo_cfg_bool(r, "pack.usesparse", &r->settings.pack_use_sparse, 1);
  50         repo_cfg_bool(r, "core.multipackindex", &r->settings.core_multi_pack_index, 1);
  51         repo_cfg_bool(r, "index.sparse", &r->settings.sparse_index, 0);
  52
  53         /*
  54          * The GIT_TEST_MULTI_PACK_INDEX variable is special in that
  55          * either it *or* the config sets
  56          * r->settings.core_multi_pack_index if true. We don't take
  57          * the environment variable if it exists (even if false) over
  58          * any config, as in most other cases.
  59          */
  60         if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX, 0))
  61                 r->settings.core_multi_pack_index = 1;
  62
  63         /*
  64          * Non-boolean config
  65          */
  66         if (!repo_config_get_int(r, "index.version", &value))
  67                 r->settings.index_version = value;
  68
  69         if (!repo_config_get_string(r, "core.untrackedcache", &strval)) {
  70                 int v = git_parse_maybe_bool(strval);
  71
  72                 /*
  73                  * If it's set to "keep", or some other non-boolean
  74                  * value then "v < 0". Then we do nothing and keep it
  75                  * at the default of UNTRACKED_CACHE_KEEP.
  76                  */
  77                 if (v >= 0)
  78                         r->settings.core_untracked_cache = v ?
  79                                 UNTRACKED_CACHE_WRITE : UNTRACKED_CACHE_REMOVE;
  80                 free(strval);
  81         }
  82
  83         if (!repo_config_get_string(r, "fetch.negotiationalgorithm", &strval)) {
  84                 int fetch_default = r->settings.fetch_negotiation_algorithm;
  85                 if (!strcasecmp(strval, "skipping"))
  86                         r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING;
  87                 else if (!strcasecmp(strval, "noop"))
  88                         r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_NOOP;
  89                 else if (!strcasecmp(strval, "consecutive"))
  90                         r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_CONSECUTIVE;
  91                 else if (!strcasecmp(strval, "default"))
  92                         r->settings.fetch_negotiation_algorithm = fetch_default;
  93                 else
  94                         die("unknown fetch negotiation algorithm '%s'", strval);
  95         }
  96
  97         /*
  98          * This setting guards all index reads to require a full index
  99          * over a sparse index. After suitable guards are placed in the
 100          * codebase around uses of the index, this setting will be
 101          * removed.
 102          */
 103         r->settings.command_requires_full_index = 1;
 104 }