diff options
Diffstat (limited to 'repo-settings.c')
| -rw-r--r-- | repo-settings.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/repo-settings.c b/repo-settings.c new file mode 100644 index 0000000000..195c24e9c0 --- /dev/null +++ b/repo-settings.c @@ -0,0 +1,232 @@ +#include "git-compat-util.h" +#include "config.h" +#include "repo-settings.h" +#include "repository.h" +#include "midx.h" +#include "pack-objects.h" +#include "setup.h" + +static void repo_cfg_bool(struct repository *r, const char *key, int *dest, + int def) +{ + if (repo_config_get_bool(r, key, dest)) + *dest = def; +} + +static void repo_cfg_int(struct repository *r, const char *key, int *dest, + int def) +{ + if (repo_config_get_int(r, key, dest)) + *dest = def; +} + +static void repo_cfg_ulong(struct repository *r, const char *key, unsigned long *dest, + unsigned long def) +{ + if (repo_config_get_ulong(r, key, dest)) + *dest = def; +} + +void prepare_repo_settings(struct repository *r) +{ + int experimental; + int value; + const char *strval; + int manyfiles; + int read_changed_paths; + unsigned long ulongval; + + if (!r->gitdir) + BUG("Cannot add settings for uninitialized repository"); + + if (r->settings.initialized) + return; + + repo_settings_clear(r); + r->settings.initialized++; + + /* Booleans config or default, cascades to other settings */ + repo_cfg_bool(r, "feature.manyfiles", &manyfiles, 0); + repo_cfg_bool(r, "feature.experimental", &experimental, 0); + + /* Defaults modified by feature.* */ + if (experimental) { + r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING; + r->settings.pack_use_bitmap_boundary_traversal = 1; + r->settings.pack_use_multi_pack_reuse = 1; + r->settings.pack_use_path_walk = 1; + } + if (manyfiles) { + r->settings.index_version = 4; + r->settings.index_skip_hash = 1; + r->settings.core_untracked_cache = UNTRACKED_CACHE_WRITE; + r->settings.pack_use_path_walk = 1; + } + + /* Commit graph config or default, does not cascade (simple) */ + repo_cfg_bool(r, "core.commitgraph", &r->settings.core_commit_graph, 1); + repo_cfg_int(r, "commitgraph.generationversion", &r->settings.commit_graph_generation_version, 2); + repo_cfg_bool(r, "commitgraph.readchangedpaths", &read_changed_paths, 1); + repo_cfg_int(r, "commitgraph.changedpathsversion", + &r->settings.commit_graph_changed_paths_version, + read_changed_paths ? -1 : 0); + repo_cfg_bool(r, "gc.writecommitgraph", &r->settings.gc_write_commit_graph, 1); + repo_cfg_bool(r, "fetch.writecommitgraph", &r->settings.fetch_write_commit_graph, 0); + + /* Boolean config or default, does not cascade (simple) */ + repo_cfg_bool(r, "pack.usesparse", &r->settings.pack_use_sparse, 1); + repo_cfg_bool(r, "pack.usepathwalk", &r->settings.pack_use_path_walk, 0); + repo_cfg_bool(r, "core.multipackindex", &r->settings.core_multi_pack_index, 1); + repo_cfg_bool(r, "index.sparse", &r->settings.sparse_index, 0); + repo_cfg_bool(r, "index.skiphash", &r->settings.index_skip_hash, r->settings.index_skip_hash); + repo_cfg_bool(r, "pack.readreverseindex", &r->settings.pack_read_reverse_index, 1); + repo_cfg_bool(r, "pack.usebitmapboundarytraversal", + &r->settings.pack_use_bitmap_boundary_traversal, + r->settings.pack_use_bitmap_boundary_traversal); + repo_cfg_bool(r, "core.usereplacerefs", &r->settings.read_replace_refs, 1); + + /* + * The GIT_TEST_MULTI_PACK_INDEX variable is special in that + * either it *or* the config sets + * r->settings.core_multi_pack_index if true. We don't take + * the environment variable if it exists (even if false) over + * any config, as in most other cases. + */ + if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX, 0)) + r->settings.core_multi_pack_index = 1; + + /* + * Non-boolean config + */ + if (!repo_config_get_int(r, "index.version", &value)) + r->settings.index_version = value; + + if (!repo_config_get_string_tmp(r, "core.untrackedcache", &strval)) { + int v = git_parse_maybe_bool(strval); + + /* + * If it's set to "keep", or some other non-boolean + * value then "v < 0". Then we do nothing and keep it + * at the default of UNTRACKED_CACHE_KEEP. + */ + if (v >= 0) + r->settings.core_untracked_cache = v ? + UNTRACKED_CACHE_WRITE : UNTRACKED_CACHE_REMOVE; + } + + if (!repo_config_get_string_tmp(r, "fetch.negotiationalgorithm", &strval)) { + int fetch_default = r->settings.fetch_negotiation_algorithm; + if (!strcasecmp(strval, "skipping")) + r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_SKIPPING; + else if (!strcasecmp(strval, "noop")) + r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_NOOP; + else if (!strcasecmp(strval, "consecutive")) + r->settings.fetch_negotiation_algorithm = FETCH_NEGOTIATION_CONSECUTIVE; + else if (!strcasecmp(strval, "default")) + r->settings.fetch_negotiation_algorithm = fetch_default; + else + die("unknown fetch negotiation algorithm '%s'", strval); + } + + /* + * This setting guards all index reads to require a full index + * over a sparse index. After suitable guards are placed in the + * codebase around uses of the index, this setting will be + * removed. + */ + r->settings.command_requires_full_index = 1; + + if (!repo_config_get_ulong(r, "core.deltabasecachelimit", &ulongval)) + r->settings.delta_base_cache_limit = ulongval; + + if (!repo_config_get_ulong(r, "core.packedgitwindowsize", &ulongval)) { + int pgsz_x2 = getpagesize() * 2; + + /* This value must be multiple of (pagesize * 2) */ + ulongval /= pgsz_x2; + if (ulongval < 1) + ulongval = 1; + r->settings.packed_git_window_size = ulongval * pgsz_x2; + } + + if (!repo_config_get_ulong(r, "core.packedgitlimit", &ulongval)) + r->settings.packed_git_limit = ulongval; +} + +void repo_settings_clear(struct repository *r) +{ + struct repo_settings empty = REPO_SETTINGS_INIT; + FREE_AND_NULL(r->settings.fsmonitor); + FREE_AND_NULL(r->settings.hooks_path); + r->settings = empty; +} + +unsigned long repo_settings_get_big_file_threshold(struct repository *repo) +{ + if (!repo->settings.big_file_threshold) + repo_cfg_ulong(repo, "core.bigfilethreshold", + &repo->settings.big_file_threshold, 512 * 1024 * 1024); + return repo->settings.big_file_threshold; +} + +void repo_settings_set_big_file_threshold(struct repository *repo, unsigned long value) +{ + repo->settings.big_file_threshold = value; +} + +enum log_refs_config repo_settings_get_log_all_ref_updates(struct repository *repo) +{ + const char *value; + + if (!repo_config_get_string_tmp(repo, "core.logallrefupdates", &value)) { + if (value && !strcasecmp(value, "always")) + return LOG_REFS_ALWAYS; + else if (git_config_bool("core.logallrefupdates", value)) + return LOG_REFS_NORMAL; + else + return LOG_REFS_NONE; + } + + return LOG_REFS_UNSET; +} + +int repo_settings_get_warn_ambiguous_refs(struct repository *repo) +{ + prepare_repo_settings(repo); + if (repo->settings.warn_ambiguous_refs < 0) + repo_cfg_bool(repo, "core.warnambiguousrefs", + &repo->settings.warn_ambiguous_refs, 1); + return repo->settings.warn_ambiguous_refs; +} + +const char *repo_settings_get_hooks_path(struct repository *repo) +{ + if (!repo->settings.hooks_path) + repo_config_get_pathname(repo, "core.hookspath", &repo->settings.hooks_path); + return repo->settings.hooks_path; +} + +int repo_settings_get_shared_repository(struct repository *repo) +{ + if (!repo->settings.shared_repository_initialized) { + const char *var = "core.sharedrepository"; + const char *value; + if (!repo_config_get_value(repo, var, &value)) + repo->settings.shared_repository = git_config_perm(var, value); + else + repo->settings.shared_repository = PERM_UMASK; + repo->settings.shared_repository_initialized = 1; + } + return repo->settings.shared_repository; +} + +void repo_settings_set_shared_repository(struct repository *repo, int value) +{ + repo->settings.shared_repository = value; + repo->settings.shared_repository_initialized = 1; +} + +void repo_settings_reset_shared_repository(struct repository *repo) +{ + repo->settings.shared_repository_initialized = 0; +} |