packaging: Add contrib installation

[platform/upstream/git.git] / repository.h

diff --git a/repository.h b/repository.h
index f2646f0..b385ca3 100644 (file)
--- a/repository.h
+++ b/repository.h
@@ -1,12 +1,48 @@
 #ifndef REPOSITORY_H
 #define REPOSITORY_H
 
+#include "path.h"
+
 struct config_set;
 struct git_hash_algo;
 struct index_state;
+struct lock_file;
+struct pathspec;
 struct raw_object_store;
 struct submodule_cache;
 
+enum untracked_cache_setting {
+       UNTRACKED_CACHE_UNSET = -1,
+       UNTRACKED_CACHE_REMOVE = 0,
+       UNTRACKED_CACHE_KEEP = 1,
+       UNTRACKED_CACHE_WRITE = 2
+};
+
+enum fetch_negotiation_setting {
+       FETCH_NEGOTIATION_UNSET = -1,
+       FETCH_NEGOTIATION_NONE = 0,
+       FETCH_NEGOTIATION_DEFAULT = 1,
+       FETCH_NEGOTIATION_SKIPPING = 2,
+       FETCH_NEGOTIATION_NOOP = 3,
+};
+
+struct repo_settings {
+       int initialized;
+
+       int core_commit_graph;
+       int commit_graph_read_changed_paths;
+       int gc_write_commit_graph;
+       int fetch_write_commit_graph;
+
+       int index_version;
+       enum untracked_cache_setting core_untracked_cache;
+
+       int pack_use_sparse;
+       enum fetch_negotiation_setting fetch_negotiation_algorithm;
+
+       int core_multi_pack_index;
+};
+
 struct repository {
        /* Environment */
        /*
@@ -26,8 +62,26 @@ struct repository {
         */
        struct raw_object_store *objects;
 
-       /* The store in which the refs are held. */
-       struct ref_store *refs;
+       /*
+        * All objects in this repository that have been parsed. This structure
+        * owns all objects it references, so users of "struct object *"
+        * generally do not need to free them; instead, when a repository is no
+        * longer used, call parsed_object_pool_clear() on this structure, which
+        * is called by the repositories repo_clear on its desconstruction.
+        */
+       struct parsed_object_pool *parsed_objects;
+
+       /*
+        * The store in which the refs are held. This should generally only be
+        * accessed via get_main_ref_store(), as that will lazily initialize
+        * the ref object.
+        */
+       struct ref_store *refs_private;
+
+       /*
+        * Contains path to often used file names.
+        */
+       struct path_cache cached_paths;
 
        /*
         * Path to the repository's graft file.
@@ -54,6 +108,8 @@ struct repository {
         */
        char *submodule_prefix;
 
+       struct repo_settings settings;
+
        /* Subsystems */
        /*
         * Repository's config which contains key-value pairs from the usual
@@ -74,6 +130,12 @@ struct repository {
        /* Repository's current hash algorithm, as serialized on disk. */
        const struct git_hash_algo *hash_algo;
 
+       /* A unique-id for tracing purposes. */
+       int trace2_repo_id;
+
+       /* True if commit-graph has been disabled within this process. */
+       int commit_graph_disabled;
+
        /* Configurations */
 
        /* Indicate if a repository has a different 'commondir' from 'gitdir' */
@@ -94,28 +156,54 @@ struct set_gitdir_args {
        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_init(struct repository *r,
-                    const char *gitdir,
-                    const char *worktree);
-extern int repo_submodule_init(struct repository *submodule,
-                              struct repository *superproject,
-                              const char *path);
-extern void repo_clear(struct repository *repo);
+void repo_set_gitdir(struct repository *repo, const char *root,
+                    const struct set_gitdir_args *extra_args);
+void repo_set_worktree(struct repository *repo, const char *path);
+void repo_set_hash_algo(struct repository *repo, int algo);
+void initialize_the_repository(void);
+int repo_init(struct repository *r, const char *gitdir, const char *worktree);
+
+/*
+ * Initialize the repository 'subrepo' as the submodule given by the
+ * struct submodule 'sub' in parent repository 'superproject'.
+ * Return 0 upon success and a non-zero value upon failure, which may happen
+ * if the submodule is not found, or 'sub' is NULL.
+ */
+struct submodule;
+int repo_submodule_init(struct repository *subrepo,
+                       struct repository *superproject,
+                       const struct submodule *sub);
+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
+ * than zero if an error occurred.  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);
+int repo_read_index(struct repository *repo);
+int repo_hold_locked_index(struct repository *repo,
+                          struct lock_file *lf,
+                          int flags);
+
+int repo_read_index_preload(struct repository *,
+                           const struct pathspec *pathspec,
+                           unsigned refresh_flags);
+int repo_read_index_unmerged(struct repository *);
+/*
+ * Opportunistically update the index but do not complain if we can't.
+ * The lockfile is always committed or rolled back.
+ */
+void repo_update_index_if_able(struct repository *, struct lock_file *);
+
+void prepare_repo_settings(struct repository *r);
+
+/*
+ * Return 1 if upgrade repository format to target_version succeeded,
+ * 0 if no upgrade is necessary, and -1 when upgrade is not possible.
+ */
+int upgrade_repository_format(int target_version);
 
 #endif /* REPOSITORY_H */