Coverage Report

Created: 2024-09-16 06:12

/src/git/repo-settings.c
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Source (jump to first uncovered line)
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#include "git-compat-util.h"
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#include "config.h"
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#include "repository.h"
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#include "midx.h"
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static void repo_cfg_bool(struct repository *r, const char *key, int *dest,
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        int def)
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{
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  if (repo_config_get_bool(r, key, dest))
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    *dest = def;
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}
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static void repo_cfg_int(struct repository *r, const char *key, int *dest,
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       int def)
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{
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  if (repo_config_get_int(r, key, dest))
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    *dest = def;
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}
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void prepare_repo_settings(struct repository *r)
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{
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  int experimental;
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  int value;
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  const char *strval;
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  int manyfiles;
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  int read_changed_paths;
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  if (!r->gitdir)
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    BUG("Cannot add settings for uninitialized repository");
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  if (r->settings.initialized++)
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    return;
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  /* Defaults */
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  r->settings.index_version = -1;
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  r->settings.core_untracked_cache = UNTRACKED_CACHE_KEEP;
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  r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_CONSECUTIVE;
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  /* Booleans config or default, cascades to other settings */
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  repo_cfg_bool(r, "feature.manyfiles", &manyfiles, 0);
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  repo_cfg_bool(r, "feature.experimental", &experimental, 0);
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  /* Defaults modified by feature.* */
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  if (experimental) {
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    r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING;
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    r->settings.pack_use_bitmap_boundary_traversal = 1;
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    r->settings.pack_use_multi_pack_reuse = 1;
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  }
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  if (manyfiles) {
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    r->settings.index_version = 4;
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    r->settings.index_skip_hash = 1;
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    r->settings.core_untracked_cache = UNTRACKED_CACHE_WRITE;
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  }
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  /* Commit graph config or default, does not cascade (simple) */
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  repo_cfg_bool(r, "core.commitgraph", &r->settings.core_commit_graph, 1);
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  repo_cfg_int(r, "commitgraph.generationversion", &r->settings.commit_graph_generation_version, 2);
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  repo_cfg_bool(r, "commitgraph.readchangedpaths", &read_changed_paths, 1);
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  repo_cfg_int(r, "commitgraph.changedpathsversion",
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         &r->settings.commit_graph_changed_paths_version,
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         read_changed_paths ? -1 : 0);
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  repo_cfg_bool(r, "gc.writecommitgraph", &r->settings.gc_write_commit_graph, 1);
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  repo_cfg_bool(r, "fetch.writecommitgraph", &r->settings.fetch_write_commit_graph, 0);
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  /* Boolean config or default, does not cascade (simple)  */
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  repo_cfg_bool(r, "pack.usesparse", &r->settings.pack_use_sparse, 1);
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  repo_cfg_bool(r, "core.multipackindex", &r->settings.core_multi_pack_index, 1);
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  repo_cfg_bool(r, "index.sparse", &r->settings.sparse_index, 0);
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  repo_cfg_bool(r, "index.skiphash", &r->settings.index_skip_hash, r->settings.index_skip_hash);
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  repo_cfg_bool(r, "pack.readreverseindex", &r->settings.pack_read_reverse_index, 1);
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  repo_cfg_bool(r, "pack.usebitmapboundarytraversal",
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          &r->settings.pack_use_bitmap_boundary_traversal,
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          r->settings.pack_use_bitmap_boundary_traversal);
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  repo_cfg_bool(r, "core.usereplacerefs", &r->settings.read_replace_refs, 1);
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  /*
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   * The GIT_TEST_MULTI_PACK_INDEX variable is special in that
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   * either it *or* the config sets
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   * r->settings.core_multi_pack_index if true. We don't take
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   * the environment variable if it exists (even if false) over
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   * any config, as in most other cases.
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   */
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  if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX, 0))
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    r->settings.core_multi_pack_index = 1;
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  /*
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   * Non-boolean config
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   */
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  if (!repo_config_get_int(r, "index.version", &value))
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    r->settings.index_version = value;
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  if (!repo_config_get_string_tmp(r, "core.untrackedcache", &strval)) {
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    int v = git_parse_maybe_bool(strval);
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    /*
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     * If it's set to "keep", or some other non-boolean
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     * value then "v < 0". Then we do nothing and keep it
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     * at the default of UNTRACKED_CACHE_KEEP.
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     */
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    if (v >= 0)
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      r->settings.core_untracked_cache = v ?
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        UNTRACKED_CACHE_WRITE : UNTRACKED_CACHE_REMOVE;
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  }
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  if (!repo_config_get_string_tmp(r, "fetch.negotiationalgorithm", &strval)) {
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    int fetch_default = r->settings.fetch_negotiation_algorithm;
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    if (!strcasecmp(strval, "skipping"))
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      r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING;
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    else if (!strcasecmp(strval, "noop"))
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      r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_NOOP;
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    else if (!strcasecmp(strval, "consecutive"))
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      r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_CONSECUTIVE;
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    else if (!strcasecmp(strval, "default"))
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      r->settings.fetch_negotiation_algorithm = fetch_default;
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    else
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      die("unknown fetch negotiation algorithm '%s'", strval);
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  }
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  /*
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   * This setting guards all index reads to require a full index
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   * over a sparse index. After suitable guards are placed in the
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   * codebase around uses of the index, this setting will be
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   * removed.
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   */
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  r->settings.command_requires_full_index = 1;
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}