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031dc927f4
In a process with multiple repositories open, alternates should be associated to a single repository and not shared globally. Move alt_odb_list and alt_odb_tail into the_repository and adjust callers to reflect this. Now that the alternative object data base is per repository, we're leaking its memory upon freeing a repository. The next patch plugs this hole. No functional change intended. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
#ifndef OBJECT_STORE_H
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#define OBJECT_STORE_H
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struct alternate_object_database {
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struct alternate_object_database *next;
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/* see alt_scratch_buf() */
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struct strbuf scratch;
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size_t base_len;
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/*
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* Used to store the results of readdir(3) calls when searching
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* for unique abbreviated hashes. This cache is never
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* invalidated, thus it's racy and not necessarily accurate.
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* That's fine for its purpose; don't use it for tasks requiring
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* greater accuracy!
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*/
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char loose_objects_subdir_seen[256];
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struct oid_array loose_objects_cache;
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char path[FLEX_ARRAY];
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};
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void prepare_alt_odb(void);
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char *compute_alternate_path(const char *path, struct strbuf *err);
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typedef int alt_odb_fn(struct alternate_object_database *, void *);
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int foreach_alt_odb(alt_odb_fn, void*);
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/*
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* Allocate a "struct alternate_object_database" but do _not_ actually
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* add it to the list of alternates.
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*/
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struct alternate_object_database *alloc_alt_odb(const char *dir);
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/*
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* Add the directory to the on-disk alternates file; the new entry will also
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* take effect in the current process.
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*/
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void add_to_alternates_file(const char *dir);
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/*
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* Add the directory to the in-memory list of alternates (along with any
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* recursive alternates it points to), but do not modify the on-disk alternates
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* file.
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*/
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void add_to_alternates_memory(const char *dir);
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/*
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* Returns a scratch strbuf pre-filled with the alternate object directory,
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* including a trailing slash, which can be used to access paths in the
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* alternate. Always use this over direct access to alt->scratch, as it
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* cleans up any previous use of the scratch buffer.
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*/
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struct strbuf *alt_scratch_buf(struct alternate_object_database *alt);
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struct raw_object_store {
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/*
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* Path to the repository's object store.
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* Cannot be NULL after initialization.
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*/
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char *objectdir;
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/* Path to extra alternate object database if not NULL */
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char *alternate_db;
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struct alternate_object_database *alt_odb_list;
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struct alternate_object_database **alt_odb_tail;
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};
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struct raw_object_store *raw_object_store_new(void);
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void raw_object_store_clear(struct raw_object_store *o);
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#endif /* OBJECT_STORE_H */
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