diff options
Diffstat (limited to 'transport.h')
| -rw-r--r-- | transport.h | 123 |
1 files changed, 65 insertions, 58 deletions
diff --git a/transport.h b/transport.h index bc5571574b..f2ee7c4f49 100644 --- a/transport.h +++ b/transport.h @@ -4,6 +4,7 @@ #include "cache.h" #include "run-command.h" #include "remote.h" +#include "list-objects-filter-options.h" struct string_list; @@ -15,12 +16,36 @@ struct git_transport_options { unsigned self_contained_and_connected : 1; unsigned update_shallow : 1; unsigned deepen_relative : 1; + unsigned from_promisor : 1; + unsigned no_dependents : 1; + + /* + * If this transport supports connect or stateless-connect, + * the corresponding field in struct fetch_pack_args is copied + * here after fetching. + * + * See the definition of connectivity_checked in struct + * fetch_pack_args for more information. + */ + unsigned connectivity_checked:1; + int depth; const char *deepen_since; const struct string_list *deepen_not; const char *uploadpack; const char *receivepack; struct push_cas_option *cas; + struct list_objects_filter_options filter_options; + + /* + * This is only used during fetch. See the documentation of + * negotiation_tips in struct fetch_pack_args. + * + * This field is only supported by transports that support connect or + * stateless_connect. Set this field directly instead of using + * transport_set_option(). + */ + struct oid_array *negotiation_tips; }; enum transport_family { @@ -30,6 +55,8 @@ enum transport_family { }; struct transport { + const struct transport_vtable *vtable; + struct remote *remote; const char *url; void *data; @@ -54,64 +81,23 @@ struct transport { unsigned cloning : 1; /* + * Indicates that the transport is connected via a half-duplex + * connection and should operate in stateless-rpc mode. + */ + unsigned stateless_rpc : 1; + + /* * These strings will be passed to the {pre, post}-receive hook, * on the remote side, if both sides support the push options capability. */ const struct string_list *push_options; - /** - * Returns 0 if successful, positive if the option is not - * recognized or is inapplicable, and negative if the option - * is applicable but the value is invalid. - **/ - int (*set_option)(struct transport *connection, const char *name, - const char *value); - - /** - * Returns a list of the remote side's refs. In order to allow - * the transport to try to share connections, for_push is a - * hint as to whether the ultimate operation is a push or a fetch. - * - * If the transport is able to determine the remote hash for - * the ref without a huge amount of effort, it should store it - * in the ref's old_sha1 field; otherwise it should be all 0. - **/ - struct ref *(*get_refs_list)(struct transport *transport, int for_push); - - /** - * Fetch the objects for the given refs. Note that this gets - * an array, and should ignore the list structure. - * - * If the transport did not get hashes for refs in - * get_refs_list(), it should set the old_sha1 fields in the - * provided refs now. - **/ - int (*fetch)(struct transport *transport, int refs_nr, struct ref **refs); + /* + * These strings will be passed to the remote side on each command + * request, if both sides support the server-option capability. + */ + const struct string_list *server_options; - /** - * Push the objects and refs. Send the necessary objects, and - * then, for any refs where peer_ref is set and - * peer_ref->new_oid is different from old_oid, tell the - * remote side to update each ref in the list from old_oid to - * peer_ref->new_oid. - * - * Where possible, set the status for each ref appropriately. - * - * The transport must modify new_sha1 in the ref to the new - * value if the remote accepted the change. Note that this - * could be a different value from peer_ref->new_oid if the - * process involved generating new commits. - **/ - int (*push_refs)(struct transport *transport, struct ref *refs, int flags); - int (*push)(struct transport *connection, int refspec_nr, const char **refspec, int flags); - int (*connect)(struct transport *connection, const char *name, - const char *executable, int fd[2]); - - /** get_refs_list(), fetch(), and push_refs() can keep - * resources (such as a connection) reserved for further - * use. disconnect() releases these resources. - **/ - int (*disconnect)(struct transport *connection); char *pack_lockfile; signed verbose : 3; /** @@ -210,6 +196,18 @@ void transport_check_allowed(const char *type); /* Send push certificates */ #define TRANS_OPT_PUSH_CERT "pushcert" +/* Indicate that these objects are being fetched by a promisor */ +#define TRANS_OPT_FROM_PROMISOR "from-promisor" + +/* + * Indicate that only the objects wanted need to be fetched, not their + * dependents + */ +#define TRANS_OPT_NO_DEPENDENTS "no-dependents" + +/* Filter objects for partial clone and fetch */ +#define TRANS_OPT_LIST_OBJECTS_FILTER "filter" + /** * Returns 0 if the option was used, non-zero otherwise. Prints a * message to stderr if the option is not used. @@ -225,11 +223,22 @@ void transport_set_verbosity(struct transport *transport, int verbosity, #define REJECT_FETCH_FIRST 0x08 #define REJECT_NEEDS_FORCE 0x10 -int transport_push(struct transport *connection, - int refspec_nr, const char **refspec, int flags, +int transport_push(struct repository *repo, + struct transport *connection, + struct refspec *rs, int flags, unsigned int * reject_reasons); -const struct ref *transport_get_remote_refs(struct transport *transport); +/* + * Retrieve refs from a remote. + * + * Optionally a list of ref prefixes can be provided which can be sent to the + * server (when communicating using protocol v2) to enable it to limit the ref + * advertisement. Since ref filtering is done on the server's end (and only + * when using protocol v2), this can return refs which don't match the provided + * ref_prefixes. + */ +const struct ref *transport_get_remote_refs(struct transport *transport, + const struct argv_array *ref_prefixes); int transport_fetch_refs(struct transport *transport, struct ref *refs); void transport_unlock_pack(struct transport *transport); @@ -246,8 +255,6 @@ int transport_helper_init(struct transport *transport, const char *name); int bidirectional_transfer_loop(int input, int output); /* common methods used by transport.c and builtin/send-pack.c */ -void transport_verify_remote_names(int nr_heads, const char **heads); - void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int verbose); int transport_refs_pushed(struct ref *ref); @@ -255,6 +262,6 @@ int transport_refs_pushed(struct ref *ref); void transport_print_push_status(const char *dest, struct ref *refs, int verbose, int porcelain, unsigned int *reject_reasons); -typedef void alternate_ref_fn(const char *refname, const struct object_id *oid, void *); +typedef void alternate_ref_fn(const struct object_id *oid, void *); extern void for_each_alternate_ref(alternate_ref_fn, void *); #endif |