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d5498e0871
When constructing a struct repository for a submodule for some revision of the superproject where the submodule is not contained in the index, it may not be present in the working tree currently either. In that situation giving a 'path' argument is not useful. Upgrade the repo_submodule_init function to take a struct submodule instead. The submodule struct can be obtained via submodule_from_{path, name} or an artificial submodule struct can be passed in. While we are at it, rename the repository struct in the repo_submodule_init function, which is to be initialized, to a name that is not confused with the struct submodule as easily. Perform such renames in similar functions as well. Also move its documentation into the header file. Reviewed-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
142 lines
3.9 KiB
C
142 lines
3.9 KiB
C
#ifndef REPOSITORY_H
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#define REPOSITORY_H
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#include "path.h"
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struct config_set;
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struct git_hash_algo;
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struct index_state;
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struct raw_object_store;
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struct submodule_cache;
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struct repository {
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/* Environment */
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/*
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* Path to the git directory.
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* Cannot be NULL after initialization.
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*/
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char *gitdir;
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/*
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* Path to the common git directory.
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* Cannot be NULL after initialization.
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*/
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char *commondir;
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/*
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* Holds any information related to accessing the raw object content.
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*/
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struct raw_object_store *objects;
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/*
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* All objects in this repository that have been parsed. This structure
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* owns all objects it references, so users of "struct object *"
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* generally do not need to free them; instead, when a repository is no
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* longer used, call parsed_object_pool_clear() on this structure, which
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* is called by the repositories repo_clear on its desconstruction.
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*/
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struct parsed_object_pool *parsed_objects;
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/* The store in which the refs are held. */
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struct ref_store *refs;
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/*
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* Contains path to often used file names.
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*/
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struct path_cache cached_paths;
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/*
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* Path to the repository's graft file.
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* Cannot be NULL after initialization.
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*/
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char *graft_file;
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/*
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* Path to the current worktree's index file.
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* Cannot be NULL after initialization.
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*/
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char *index_file;
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/*
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* Path to the working directory.
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* A NULL value indicates that there is no working directory.
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*/
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char *worktree;
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/*
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* Path from the root of the top-level superproject down to this
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* repository. This is only non-NULL if the repository is initialized
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* as a submodule of another repository.
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*/
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char *submodule_prefix;
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/* Subsystems */
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/*
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* Repository's config which contains key-value pairs from the usual
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* set of config files (i.e. repo specific .git/config, user wide
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* ~/.gitconfig, XDG config file and the global /etc/gitconfig)
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*/
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struct config_set *config;
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/* Repository's submodule config as defined by '.gitmodules' */
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struct submodule_cache *submodule_cache;
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/*
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* Repository's in-memory index.
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* 'repo_read_index()' can be used to populate 'index'.
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*/
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struct index_state *index;
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/* Repository's current hash algorithm, as serialized on disk. */
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const struct git_hash_algo *hash_algo;
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/* Configurations */
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/* Indicate if a repository has a different 'commondir' from 'gitdir' */
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unsigned different_commondir:1;
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};
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extern struct repository *the_repository;
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/*
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* Define a custom repository layout. Any field can be NULL, which
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* will default back to the path according to the default layout.
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*/
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struct set_gitdir_args {
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const char *commondir;
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const char *object_dir;
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const char *graft_file;
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const char *index_file;
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const char *alternate_db;
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};
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void repo_set_gitdir(struct repository *repo, const char *root,
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const struct set_gitdir_args *extra_args);
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void repo_set_worktree(struct repository *repo, const char *path);
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void repo_set_hash_algo(struct repository *repo, int algo);
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void initialize_the_repository(void);
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int repo_init(struct repository *r, const char *gitdir, const char *worktree);
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/*
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* Initialize the repository 'subrepo' as the submodule given by the
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* struct submodule 'sub' in parent repository 'superproject'.
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* Return 0 upon success and a non-zero value upon failure, which may happen
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* if the submodule is not found, or 'sub' is NULL.
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*/
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struct submodule;
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int repo_submodule_init(struct repository *subrepo,
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struct repository *superproject,
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const struct submodule *sub);
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void repo_clear(struct repository *repo);
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/*
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* Populates the repository's index from its index_file, an index struct will
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* be allocated if needed.
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*
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* Return the number of index entries in the populated index or a value less
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* than zero if an error occured. If the repository's index has already been
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* populated then the number of entries will simply be returned.
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*/
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int repo_read_index(struct repository *repo);
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#endif /* REPOSITORY_H */
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