#define TRANSPORT_H
#include "cache.h"
+#include "run-command.h"
#include "remote.h"
+#include "list-objects-filter-options.h"
+
+struct string_list;
struct git_transport_options {
unsigned thin : 1;
unsigned keep : 1;
unsigned followtags : 1;
+ unsigned check_self_contained_and_connected : 1;
+ 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 {
+ TRANSPORT_FAMILY_ALL = 0,
+ TRANSPORT_FAMILY_IPV4,
+ TRANSPORT_FAMILY_IPV6
};
struct transport {
+ const struct transport_vtable *vtable;
+
struct remote *remote;
const char *url;
void *data;
*/
unsigned got_remote_refs : 1;
- /**
- * 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);
+ /*
+ * Transports that call take-over destroys the data specific to
+ * the transport type while doing so, and cannot be reused.
+ */
+ unsigned cannot_reuse : 1;
- /**
- * 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);
+ /*
+ * A hint from caller that it will be performing a clone, not
+ * normal fetch. IOW the repository is guaranteed empty.
+ */
+ unsigned cloning : 1;
- /**
- * 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);
+ /*
+ * 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;
+
+ /*
+ * 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_sha1 is different from old_sha1, tell the
- * remote side to update each ref in the list from old_sha1 to
- * peer_ref->new_sha1.
- *
- * 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_sha1 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 futher
- * use. disconnect() releases these resources.
- **/
- int (*disconnect)(struct transport *connection);
char *pack_lockfile;
signed verbose : 3;
/**
* actually turns out to be smart.
*/
struct git_transport_options *smart_options;
+
+ enum transport_family family;
};
-#define TRANSPORT_PUSH_ALL 1
-#define TRANSPORT_PUSH_FORCE 2
-#define TRANSPORT_PUSH_DRY_RUN 4
-#define TRANSPORT_PUSH_MIRROR 8
-#define TRANSPORT_PUSH_PORCELAIN 16
-#define TRANSPORT_PUSH_SET_UPSTREAM 32
-#define TRANSPORT_RECURSE_SUBMODULES_CHECK 64
-#define TRANSPORT_PUSH_PRUNE 128
-#define TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND 256
+#define TRANSPORT_PUSH_ALL (1<<0)
+#define TRANSPORT_PUSH_FORCE (1<<1)
+#define TRANSPORT_PUSH_DRY_RUN (1<<2)
+#define TRANSPORT_PUSH_MIRROR (1<<3)
+#define TRANSPORT_PUSH_PORCELAIN (1<<4)
+#define TRANSPORT_PUSH_SET_UPSTREAM (1<<5)
+#define TRANSPORT_RECURSE_SUBMODULES_CHECK (1<<6)
+#define TRANSPORT_PUSH_PRUNE (1<<7)
+#define TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND (1<<8)
+#define TRANSPORT_PUSH_NO_HOOK (1<<9)
+#define TRANSPORT_PUSH_FOLLOW_TAGS (1<<10)
+#define TRANSPORT_PUSH_CERT_ALWAYS (1<<11)
+#define TRANSPORT_PUSH_CERT_IF_ASKED (1<<12)
+#define TRANSPORT_PUSH_ATOMIC (1<<13)
+#define TRANSPORT_PUSH_OPTIONS (1<<14)
+#define TRANSPORT_RECURSE_SUBMODULES_ONLY (1<<15)
-#define TRANSPORT_SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3)
-#define TRANSPORT_SUMMARY(x) (int)(TRANSPORT_SUMMARY_WIDTH + strlen(x) - gettext_width(x)), (x)
+int transport_summary_width(const struct ref *refs);
/* Returns a transport suitable for the url */
struct transport *transport_get(struct remote *, const char *);
+/*
+ * Check whether a transport is allowed by the environment.
+ *
+ * Type should generally be the URL scheme, as described in
+ * Documentation/git.txt
+ *
+ * from_user specifies if the transport was given by the user. If unknown pass
+ * a -1 to read from the environment to determine if the transport was given by
+ * the user.
+ *
+ */
+int is_transport_allowed(const char *type, int from_user);
+
+/*
+ * Check whether a transport is allowed by the environment,
+ * and die otherwise.
+ */
+void transport_check_allowed(const char *type);
+
/* Transport options which apply to git:// and scp-style URLs */
/* The program to use on the remote side to send a pack */
/* Transfer the data as a thin pack if not null */
#define TRANS_OPT_THIN "thin"
+/* Check the current value of the remote ref */
+#define TRANS_OPT_CAS "cas"
+
/* Keep the pack that was transferred if not null */
#define TRANS_OPT_KEEP "keep"
/* Limit the depth of the fetch if not null */
#define TRANS_OPT_DEPTH "depth"
+/* Limit the depth of the fetch based on time if not null */
+#define TRANS_OPT_DEEPEN_SINCE "deepen-since"
+
+/* Limit the depth of the fetch based on revs if not null */
+#define TRANS_OPT_DEEPEN_NOT "deepen-not"
+
+/* Limit the deepen of the fetch if not null */
+#define TRANS_OPT_DEEPEN_RELATIVE "deepen-relative"
+
/* Aggressively fetch annotated tags if possible */
#define TRANS_OPT_FOLLOWTAGS "followtags"
+/* Accept refs that may update .git/shallow without --depth */
+#define TRANS_OPT_UPDATE_SHALLOW "updateshallow"
+
+/* 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.
void transport_set_verbosity(struct transport *transport, int verbosity,
int force_progress);
-#define NON_FF_HEAD 1
-#define NON_FF_OTHER 2
-int transport_push(struct transport *connection,
- int refspec_nr, const char **refspec, int flags,
- int * nonfastforward);
+#define REJECT_NON_FF_HEAD 0x01
+#define REJECT_NON_FF_OTHER 0x02
+#define REJECT_ALREADY_EXISTS 0x04
+#define REJECT_FETCH_FIRST 0x08
+#define REJECT_NEEDS_FORCE 0x10
-const struct ref *transport_get_remote_refs(struct transport *transport);
+int transport_push(struct repository *repo,
+ struct transport *connection,
+ struct refspec *rs, int flags,
+ unsigned int * reject_reasons);
+
+/*
+ * 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);
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);
-
+/* common methods used by transport.c and builtin/send-pack.c */
void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int verbose);
int transport_refs_pushed(struct ref *ref);
void transport_print_push_status(const char *dest, struct ref *refs,
- int verbose, int porcelain, int *nonfastforward);
-
-typedef void alternate_ref_fn(const struct ref *, void *);
-extern void for_each_alternate_ref(alternate_ref_fn, void *);
+ int verbose, int porcelain, unsigned int *reject_reasons);
-struct send_pack_args;
-extern int send_pack(struct send_pack_args *args,
- int fd[], struct child_process *conn,
- struct ref *remote_refs,
- struct extra_have_objects *extra_have);
+typedef void alternate_ref_fn(const struct object_id *oid, void *);
+void for_each_alternate_ref(alternate_ref_fn, void *);
#endif