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git.ipfire.org Git - thirdparty/git.git/blob - refs/packed-backend.h
1 #ifndef REFS_PACKED_BACKEND_H
2 #define REFS_PACKED_BACKEND_H
4 struct ref_transaction
;
7 * Support for storing references in a `packed-refs` file.
9 * Note that this backend doesn't check for D/F conflicts, because it
10 * doesn't care about them. But usually it should be wrapped in a
11 * `files_ref_store` that prevents D/F conflicts from being created,
12 * even among packed refs.
15 struct ref_store
*packed_ref_store_create(const char *path
,
16 unsigned int store_flags
);
19 * Lock the packed-refs file for writing. Flags is passed to
20 * hold_lock_file_for_update(). Return 0 on success. On errors, write
21 * an error message to `err` and return a nonzero value.
23 int packed_refs_lock(struct ref_store
*ref_store
, int flags
, struct strbuf
*err
);
25 void packed_refs_unlock(struct ref_store
*ref_store
);
26 int packed_refs_is_locked(struct ref_store
*ref_store
);
29 * Return true if `transaction` really needs to be carried out against
30 * the specified packed_ref_store, or false if it can be skipped
31 * (i.e., because it is an obvious NOOP). `ref_store` must be locked
32 * before calling this function.
34 int is_packed_transaction_needed(struct ref_store
*ref_store
,
35 struct ref_transaction
*transaction
);
37 #endif /* REFS_PACKED_BACKEND_H */