blob: b8b3d42e62ff71257ae3b1dde812711422a24759 [file] [log] [blame]
#ifndef TRANSPORT_H
#define TRANSPORT_H
#include "cache.h"
#include "run-command.h"
#include "remote.h"
#include "list-objects-filter-options.h"
#include "string-list.h"
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 reject_shallow : 1;
unsigned deepen_relative : 1;
/* see documentation of corresponding flag in fetch-pack.h */
unsigned from_promisor : 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;
/*
* If set, whenever transport_fetch_refs() is called, add known common
* commits to this oidset instead of fetching any packfiles.
*/
struct oidset *acked_commits;
};
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;
const struct ref *remote_refs;
/**
* Indicates whether we already called get_refs_list(); set by
* transport.c::transport_get_remote_refs().
*/
unsigned got_remote_refs : 1;
/*
* Transports that call take-over destroys the data specific to
* the transport type while doing so, and cannot be reused.
*/
unsigned cannot_reuse : 1;
/*
* A hint from caller that it will be performing a clone, not
* normal fetch. IOW the repository is guaranteed empty.
*/
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;
/*
* 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;
struct string_list pack_lockfiles;
signed verbose : 3;
/**
* Transports should not set this directly, and should use this
* value without having to check isatty(2), -q/--quiet
* (transport->verbose < 0), etc. - checking has already been done
* in transport_set_verbosity().
**/
unsigned progress : 1;
/*
* If transport is at least potentially smart, this points to
* git_transport_options structure to use in case transport
* actually turns out to be smart.
*/
struct git_transport_options *smart_options;
enum transport_family family;
const struct git_hash_algo *hash_algo;
};
#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_PUSH_FORCE_IF_INCLUDES (1<<16)
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 */
#define TRANS_OPT_UPLOADPACK "uploadpack"
/* The program to use on the remote side to receive a pack */
#define TRANS_OPT_RECEIVEPACK "receivepack"
/* 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"
/* Reject shallow repo transport */
#define TRANS_OPT_REJECT_SHALLOW "rejectshallow"
/* 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"
/* Filter objects for partial clone and fetch */
#define TRANS_OPT_LIST_OBJECTS_FILTER "filter"
/* Request atomic (all-or-nothing) updates when pushing */
#define TRANS_OPT_ATOMIC "atomic"
/* Require remote changes to be integrated locally. */
#define TRANS_OPT_FORCE_IF_INCLUDES "force-if-includes"
/**
* Returns 0 if the option was used, non-zero otherwise. Prints a
* message to stderr if the option is not used.
**/
int transport_set_option(struct transport *transport, const char *name,
const char *value);
void transport_set_verbosity(struct transport *transport, int verbosity,
int force_progress);
#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
#define REJECT_REF_NEEDS_UPDATE 0x20
int transport_push(struct repository *repo,
struct transport *connection,
struct refspec *rs, int flags,
unsigned int * reject_reasons);
struct transport_ls_refs_options {
/*
* 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),
* transport_get_remote_refs() could return refs which don't match the
* provided ref_prefixes.
*/
struct strvec ref_prefixes;
/*
* If unborn_head_target is not NULL, and the remote reports HEAD as
* pointing to an unborn branch, transport_get_remote_refs() stores the
* unborn branch in unborn_head_target. It should be freed by the
* caller.
*/
char *unborn_head_target;
};
#define TRANSPORT_LS_REFS_OPTIONS_INIT { STRVEC_INIT }
/*
* Retrieve refs from a remote.
*/
const struct ref *transport_get_remote_refs(struct transport *transport,
struct transport_ls_refs_options *transport_options);
/*
* Fetch the hash algorithm used by a remote.
*
* This can only be called after fetching the remote refs.
*/
const struct git_hash_algo *transport_get_hash_algo(struct transport *transport);
int transport_fetch_refs(struct transport *transport, struct ref *refs);
void transport_unlock_pack(struct transport *transport);
int transport_disconnect(struct transport *transport);
char *transport_anonymize_url(const char *url);
void transport_take_over(struct transport *transport,
struct child_process *child);
int transport_connect(struct transport *transport, const char *name,
const char *exec, int fd[2]);
/* Transport methods defined outside transport.c */
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_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, unsigned int *reject_reasons);
/* common method used by transport-helper.c and send-pack.c */
void reject_atomic_push(struct ref *refs, int mirror_mode);
#endif