Merge branch 'ps/environ-wo-the-repository'

Code clean-up.

* ps/environ-wo-the-repository: (21 commits)
  environment: stop storing "core.notesRef" globally
  environment: stop storing "core.warnAmbiguousRefs" globally
  environment: stop storing "core.preferSymlinkRefs" globally
  environment: stop storing "core.logAllRefUpdates" globally
  refs: stop modifying global `log_all_ref_updates` variable
  branch: stop modifying `log_all_ref_updates` variable
  repo-settings: track defaults close to `struct repo_settings`
  repo-settings: split out declarations into a standalone header
  environment: guard state depending on a repository
  environment: reorder header to split out `the_repository`-free section
  environment: move `set_git_dir()` and related into setup layer
  environment: make `get_git_namespace()` self-contained
  environment: move object database functions into object layer
  config: make dependency on repo in `read_early_config()` explicit
  config: document `read_early_config()` and `read_very_early_config()`
  environment: make `get_git_work_tree()` accept a repository
  environment: make `get_graft_file()` accept a repository
  environment: make `get_index_file()` accept a repository
  environment: make `get_object_directory()` accept a repository
  environment: make `get_git_common_dir()` accept a repository
  ...

1 files changed, 75 insertions, 0 deletions

diff --git a/repo-settings.h b/repo-settings.h
new file mode 100644
index 0000000000..51d6156a11
--- /dev/null
+++ b/repo-settings.h
@@ -0,0 +1,75 @@
+#ifndef REPO_SETTINGS_H
+#define REPO_SETTINGS_H
+
+struct fsmonitor_settings;
+struct repository;
+
+enum untracked_cache_setting {
+	UNTRACKED_CACHE_KEEP,
+	UNTRACKED_CACHE_REMOVE,
+	UNTRACKED_CACHE_WRITE,
+};
+
+enum fetch_negotiation_setting {
+	FETCH_NEGOTIATION_CONSECUTIVE,
+	FETCH_NEGOTIATION_SKIPPING,
+	FETCH_NEGOTIATION_NOOP,
+};
+
+enum log_refs_config {
+	LOG_REFS_UNSET = -1,
+	LOG_REFS_NONE = 0,
+	LOG_REFS_NORMAL,
+	LOG_REFS_ALWAYS
+};
+
+struct repo_settings {
+	int initialized;
+
+	int core_commit_graph;
+	int commit_graph_generation_version;
+	int commit_graph_changed_paths_version;
+	int gc_write_commit_graph;
+	int fetch_write_commit_graph;
+	int command_requires_full_index;
+	int sparse_index;
+	int pack_read_reverse_index;
+	int pack_use_bitmap_boundary_traversal;
+	int pack_use_multi_pack_reuse;
+
+	/*
+	 * Does this repository have core.useReplaceRefs=true (on by
+	 * default)? This provides a repository-scoped version of this
+	 * config, though it could be disabled process-wide via some Git
+	 * builtins or the --no-replace-objects option. See
+	 * replace_refs_enabled() for more details.
+	 */
+	int read_replace_refs;
+
+	struct fsmonitor_settings *fsmonitor; /* lazily loaded */
+
+	int index_version;
+	int index_skip_hash;
+	enum untracked_cache_setting core_untracked_cache;
+
+	int pack_use_sparse;
+	enum fetch_negotiation_setting fetch_negotiation_algorithm;
+
+	int core_multi_pack_index;
+	int warn_ambiguous_refs; /* lazily loaded via accessor */
+};
+#define REPO_SETTINGS_INIT { \
+	.index_version = -1, \
+	.core_untracked_cache = UNTRACKED_CACHE_KEEP, \
+	.fetch_negotiation_algorithm = FETCH_NEGOTIATION_CONSECUTIVE, \
+	.warn_ambiguous_refs = -1, \
+}
+
+void prepare_repo_settings(struct repository *r);
+
+/* Read the value for "core.logAllRefUpdates". */
+enum log_refs_config repo_settings_get_log_all_ref_updates(struct repository *repo);
+/* Read the value for "core.warnAmbiguousRefs". */
+int repo_settings_get_warn_ambiguous_refs(struct repository *repo);
+
+#endif /* REPO_SETTINGS_H */