repo-settings.c

   1 #include "cache.h"
   2 #include "config.h"
   3 #include "repository.h"
   4 #include "midx.h"
   5 #include "compat/fsmonitor/fsm-listen.h"
   6
   7 static void repo_cfg_bool(struct repository *r, const char *key, int *dest,
   8                           int def)
   9 {
  10         if (repo_config_get_bool(r, key, dest))
  11                 *dest = def;
  12 }
  13
  14 void prepare_repo_settings(struct repository *r)
  15 {
  16         int experimental;
  17         int value;
  18         char *strval;
  19         int manyfiles;
  20
  21         if (!r->gitdir)
  22                 BUG("Cannot add settings for uninitialized repository");
  23
  24         if (r->settings.initialized++)
  25                 return;
  26
  27         /* Defaults */
  28         r->settings.index_version = -1;
  29         r->settings.core_untracked_cache = UNTRACKED_CACHE_KEEP;
  30         r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_CONSECUTIVE;
  31
  32         /* Booleans config or default, cascades to other settings */
  33         repo_cfg_bool(r, "feature.manyfiles", &manyfiles, 0);
  34         repo_cfg_bool(r, "feature.experimental", &experimental, 0);
  35
  36         /* Defaults modified by feature.* */
  37         if (experimental) {
  38                 r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING;
  39         }
  40         if (manyfiles) {
  41                 r->settings.index_version = 4;
  42                 r->settings.core_untracked_cache = UNTRACKED_CACHE_WRITE;
  43         }
  44
  45         /* Boolean config or default, does not cascade (simple)  */
  46         repo_cfg_bool(r, "core.commitgraph", &r->settings.core_commit_graph, 1);
  47         repo_cfg_bool(r, "commitgraph.readchangedpaths", &r->settings.commit_graph_read_changed_paths, 1);
  48         repo_cfg_bool(r, "gc.writecommitgraph", &r->settings.gc_write_commit_graph, 1);
  49         repo_cfg_bool(r, "fetch.writecommitgraph", &r->settings.fetch_write_commit_graph, 0);
  50         repo_cfg_bool(r, "pack.usesparse", &r->settings.pack_use_sparse, 1);
  51         repo_cfg_bool(r, "core.multipackindex", &r->settings.core_multi_pack_index, 1);
  52         repo_cfg_bool(r, "index.sparse", &r->settings.sparse_index, 0);
  53
  54         /*
  55          * The GIT_TEST_MULTI_PACK_INDEX variable is special in that
  56          * either it *or* the config sets
  57          * r->settings.core_multi_pack_index if true. We don't take
  58          * the environment variable if it exists (even if false) over
  59          * any config, as in most other cases.
  60          */
  61         if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX, 0))
  62                 r->settings.core_multi_pack_index = 1;
  63
  64         /*
  65          * Non-boolean config
  66          */
  67         if (!repo_config_get_int(r, "index.version", &value))
  68                 r->settings.index_version = value;
  69
  70         if (!repo_config_get_string(r, "core.untrackedcache", &strval)) {
  71                 int v = git_parse_maybe_bool(strval);
  72
  73                 /*
  74                  * If it's set to "keep", or some other non-boolean
  75                  * value then "v < 0". Then we do nothing and keep it
  76                  * at the default of UNTRACKED_CACHE_KEEP.
  77                  */
  78                 if (v >= 0)
  79                         r->settings.core_untracked_cache = v ?
  80                                 UNTRACKED_CACHE_WRITE : UNTRACKED_CACHE_REMOVE;
  81                 free(strval);
  82         }
  83
  84         if (!repo_config_get_string(r, "fetch.negotiationalgorithm", &strval)) {
  85                 int fetch_default = r->settings.fetch_negotiation_algorithm;
  86                 if (!strcasecmp(strval, "skipping"))
  87                         r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING;
  88                 else if (!strcasecmp(strval, "noop"))
  89                         r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_NOOP;
  90                 else if (!strcasecmp(strval, "consecutive"))
  91                         r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_CONSECUTIVE;
  92                 else if (!strcasecmp(strval, "default"))
  93                         r->settings.fetch_negotiation_algorithm = fetch_default;
  94                 else
  95                         die("unknown fetch negotiation algorithm '%s'", strval);
  96         }
  97
  98         /*
  99          * This setting guards all index reads to require a full index
 100          * over a sparse index. After suitable guards are placed in the
 101          * codebase around uses of the index, this setting will be
 102          * removed.
 103          */
 104         r->settings.command_requires_full_index = 1;
 105 }