| #ifndef REFS_PACKED_BACKEND_H |
| #define REFS_PACKED_BACKEND_H |
| |
| struct repository; |
| struct ref_transaction; |
| |
| /* |
| * Support for storing references in a `packed-refs` file. |
| * |
| * Note that this backend doesn't check for D/F conflicts, because it |
| * doesn't care about them. But usually it should be wrapped in a |
| * `files_ref_store` that prevents D/F conflicts from being created, |
| * even among packed refs. |
| */ |
| |
| struct ref_store *packed_ref_store_init(struct repository *repo, |
| const char *gitdir, |
| unsigned int store_flags); |
| |
| /* |
| * Lock the packed-refs file for writing. Flags is passed to |
| * hold_lock_file_for_update(). Return 0 on success. On errors, write |
| * an error message to `err` and return a nonzero value. |
| */ |
| int packed_refs_lock(struct ref_store *ref_store, int flags, struct strbuf *err); |
| |
| void packed_refs_unlock(struct ref_store *ref_store); |
| int packed_refs_is_locked(struct ref_store *ref_store); |
| |
| /* |
| * Return true if `transaction` really needs to be carried out against |
| * the specified packed_ref_store, or false if it can be skipped |
| * (i.e., because it is an obvious NOOP). `ref_store` must be locked |
| * before calling this function. |
| */ |
| int is_packed_transaction_needed(struct ref_store *ref_store, |
| struct ref_transaction *transaction); |
| |
| #endif /* REFS_PACKED_BACKEND_H */ |