1 files changed, 115 insertions, 0 deletions
diff --git a/repository.h b/repository.h
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index 0000000000..09df94a472
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+++ b/repository.h
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+#ifndef REPOSITORY_H
+#define REPOSITORY_H
+
+struct config_set;
+struct git_hash_algo;
+struct index_state;
+struct raw_object_store;
+struct submodule_cache;
+
+struct repository {
+	/* Environment */
+	/*
+	 * Path to the git directory.
+	 * Cannot be NULL after initialization.
+	 */
+	char *gitdir;
+
+	/*
+	 * Path to the common git directory.
+	 * Cannot be NULL after initialization.
+	 */
+	char *commondir;
+
+	/*
+	 * Holds any information related to accessing the raw object content.
+	 */
+	struct raw_object_store *objects;
+
+	/*
+	 * Path to the repository's graft file.
+	 * Cannot be NULL after initialization.
+	 */
+	char *graft_file;
+
+	/*
+	 * Path to the current worktree's index file.
+	 * Cannot be NULL after initialization.
+	 */
+	char *index_file;
+
+	/*
+	 * Path to the working directory.
+	 * A NULL value indicates that there is no working directory.
+	 */
+	char *worktree;
+
+	/*
+	 * Path from the root of the top-level superproject down to this
+	 * repository.  This is only non-NULL if the repository is initialized
+	 * as a submodule of another repository.
+	 */
+	char *submodule_prefix;
+
+	/* Subsystems */
+	/*
+	 * Repository's config which contains key-value pairs from the usual
+	 * set of config files (i.e. repo specific .git/config, user wide
+	 * ~/.gitconfig, XDG config file and the global /etc/gitconfig)
+	 */
+	struct config_set *config;
+
+	/* Repository's submodule config as defined by '.gitmodules' */
+	struct submodule_cache *submodule_cache;
+
+	/*
+	 * Repository's in-memory index.
+	 * 'repo_read_index()' can be used to populate 'index'.
+	 */
+	struct index_state *index;
+
+	/* Repository's current hash algorithm, as serialized on disk. */
+	const struct git_hash_algo *hash_algo;
+
+	/* Configurations */
+
+	/* Indicate if a repository has a different 'commondir' from 'gitdir' */
+	unsigned different_commondir:1;
+};
+
+extern struct repository *the_repository;
+
+/*
+ * Define a custom repository layout. Any field can be NULL, which
+ * will default back to the path according to the default layout.
+ */
+struct set_gitdir_args {
+	const char *commondir;
+	const char *object_dir;
+	const char *graft_file;
+	const char *index_file;
+	const char *alternate_db;
+};
+
+extern void repo_set_gitdir(struct repository *repo,
+			    const char *root,
+			    const struct set_gitdir_args *extra_args);
+extern void repo_set_worktree(struct repository *repo, const char *path);
+extern void repo_set_hash_algo(struct repository *repo, int algo);
+extern void initialize_the_repository(void);
+extern int repo_submodule_init(struct repository *submodule,
+			       struct repository *superproject,
+			       const char *path);
+extern void repo_clear(struct repository *repo);
+
+/*
+ * Populates the repository's index from its index_file, an index struct will
+ * be allocated if needed.
+ *
+ * Return the number of index entries in the populated index or a value less
+ * than zero if an error occured.  If the repository's index has already been
+ * populated then the number of entries will simply be returned.
+ */
+extern int repo_read_index(struct repository *repo);
+
+#endif /* REPOSITORY_H */