On 09/29/2015 12:01 AM, David Turner wrote:
> From: Ronnie Sahlberg <[email protected]>
>
> Add a ref structure for backend methods. Start by adding method pointers
> for the transaction functions.
>
> Add a function set_refs_backend to switch between backends. The files
> based backend is the default.
>
> Signed-off-by: Ronnie Sahlberg <[email protected]>
> Signed-off-by: David Turner <[email protected]>
> ---
> refs-be-files.c | 62 +++++++++++++++++++++++++++-------------------
> refs.c | 77
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> refs.h | 36 +++++++++++++++++++++++++++
> 3 files changed, 150 insertions(+), 25 deletions(-)
>
> [...]
> diff --git a/refs.h b/refs.h
> index 729bc3c..a1db3ef 100644
> --- a/refs.h
> +++ b/refs.h
> @@ -530,4 +530,40 @@ extern int reflog_expire(const char *refname, const
> unsigned char *sha1,
> reflog_expiry_cleanup_fn cleanup_fn,
> void *policy_cb_data);
>
> +/* refs backends */
> +typedef struct ref_transaction *(*ref_transaction_begin_fn)(struct strbuf
> *err);
Hmmm, I thought our convention was to define typedefs for functions
themselves, not for the pointer-to-function; e.g.,
typedef struct ref_transaction *ref_transaction_begin_fn(struct
strbuf *err);
(which would require `struct ref_be` to be changed to
ref_transaction_begin_fn *transaction_begin;
etc.) But now as I grep through the code it looks like both conventions
are used. So never mind :-)
> +typedef int (*ref_transaction_update_fn)(struct ref_transaction *transaction,
> + const char *refname, const unsigned char *new_sha1,
> + const unsigned char *old_sha1, unsigned int flags,
> + const char *msg, struct strbuf *err);
> +typedef int (*ref_transaction_create_fn)(
> + struct ref_transaction *transaction,
> + const char *refname, const unsigned char *new_sha1,
> + unsigned int flags, const char *msg, struct strbuf *err);
> +typedef int (*ref_transaction_delete_fn)(struct ref_transaction *transaction,
> + const char *refname, const unsigned char *old_sha1,
> + unsigned int flags, const char *msg, struct strbuf *err);
> +typedef int (*ref_transaction_verify_fn)(struct ref_transaction *transaction,
> + const char *refname, const unsigned char *old_sha1,
> + unsigned int flags, struct strbuf *err);
> +typedef int (*ref_transaction_commit_fn)(struct ref_transaction *transaction,
> + struct strbuf *err);
> +typedef void (*ref_transaction_free_fn)(struct ref_transaction *transaction);
> +
> +struct ref_be {
> + struct ref_be *next;
> + const char *name;
> + ref_transaction_begin_fn transaction_begin;
> + ref_transaction_update_fn transaction_update;
> + ref_transaction_create_fn transaction_create;
> + ref_transaction_delete_fn transaction_delete;
> + ref_transaction_verify_fn transaction_verify;
> + ref_transaction_commit_fn transaction_commit;
> + ref_transaction_free_fn transaction_free;
> +};
> +
> +
> +extern struct ref_be refs_be_files;
> +int set_refs_backend(const char *name);
> +
> #endif /* REFS_H */
>
Michael
--
Michael Haggerty
[email protected]
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