146 lines
4.7 KiB
C
146 lines
4.7 KiB
C
#ifndef TRANSPORT_H
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#define TRANSPORT_H
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#include "cache.h"
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#include "remote.h"
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struct git_transport_options {
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unsigned thin : 1;
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unsigned keep : 1;
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unsigned followtags : 1;
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int depth;
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const char *uploadpack;
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const char *receivepack;
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};
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struct transport {
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struct remote *remote;
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const char *url;
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void *data;
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const struct ref *remote_refs;
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/**
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* Returns 0 if successful, positive if the option is not
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* recognized or is inapplicable, and negative if the option
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* is applicable but the value is invalid.
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**/
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int (*set_option)(struct transport *connection, const char *name,
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const char *value);
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/**
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* Returns a list of the remote side's refs. In order to allow
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* the transport to try to share connections, for_push is a
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* hint as to whether the ultimate operation is a push or a fetch.
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*
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* If the transport is able to determine the remote hash for
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* the ref without a huge amount of effort, it should store it
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* in the ref's old_sha1 field; otherwise it should be all 0.
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**/
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struct ref *(*get_refs_list)(struct transport *transport, int for_push);
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/**
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* Fetch the objects for the given refs. Note that this gets
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* an array, and should ignore the list structure.
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*
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* If the transport did not get hashes for refs in
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* get_refs_list(), it should set the old_sha1 fields in the
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* provided refs now.
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**/
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int (*fetch)(struct transport *transport, int refs_nr, struct ref **refs);
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/**
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* Push the objects and refs. Send the necessary objects, and
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* then, for any refs where peer_ref is set and
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* peer_ref->new_sha1 is different from old_sha1, tell the
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* remote side to update each ref in the list from old_sha1 to
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* peer_ref->new_sha1.
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*
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* Where possible, set the status for each ref appropriately.
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*
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* The transport must modify new_sha1 in the ref to the new
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* value if the remote accepted the change. Note that this
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* could be a different value from peer_ref->new_sha1 if the
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* process involved generating new commits.
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**/
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int (*push_refs)(struct transport *transport, struct ref *refs, int flags);
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int (*push)(struct transport *connection, int refspec_nr, const char **refspec, int flags);
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int (*connect)(struct transport *connection, const char *name,
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const char *executable, int fd[2]);
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/** get_refs_list(), fetch(), and push_refs() can keep
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* resources (such as a connection) reserved for futher
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* use. disconnect() releases these resources.
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**/
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int (*disconnect)(struct transport *connection);
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char *pack_lockfile;
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signed verbose : 3;
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/* Force progress even if stderr is not a tty */
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unsigned progress : 1;
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/*
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* If transport is at least potentially smart, this points to
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* git_transport_options structure to use in case transport
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* actually turns out to be smart.
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*/
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struct git_transport_options *smart_options;
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};
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#define TRANSPORT_PUSH_ALL 1
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#define TRANSPORT_PUSH_FORCE 2
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#define TRANSPORT_PUSH_DRY_RUN 4
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#define TRANSPORT_PUSH_MIRROR 8
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#define TRANSPORT_PUSH_VERBOSE 16
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#define TRANSPORT_PUSH_PORCELAIN 32
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#define TRANSPORT_PUSH_QUIET 64
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#define TRANSPORT_PUSH_SET_UPSTREAM 128
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/* Returns a transport suitable for the url */
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struct transport *transport_get(struct remote *, const char *);
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/* Transport options which apply to git:// and scp-style URLs */
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/* The program to use on the remote side to send a pack */
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#define TRANS_OPT_UPLOADPACK "uploadpack"
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/* The program to use on the remote side to receive a pack */
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#define TRANS_OPT_RECEIVEPACK "receivepack"
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/* Transfer the data as a thin pack if not null */
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#define TRANS_OPT_THIN "thin"
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/* Keep the pack that was transferred if not null */
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#define TRANS_OPT_KEEP "keep"
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/* Limit the depth of the fetch if not null */
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#define TRANS_OPT_DEPTH "depth"
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/* Aggressively fetch annotated tags if possible */
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#define TRANS_OPT_FOLLOWTAGS "followtags"
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/**
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* Returns 0 if the option was used, non-zero otherwise. Prints a
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* message to stderr if the option is not used.
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**/
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int transport_set_option(struct transport *transport, const char *name,
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const char *value);
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int transport_push(struct transport *connection,
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int refspec_nr, const char **refspec, int flags,
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int * nonfastforward);
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const struct ref *transport_get_remote_refs(struct transport *transport);
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int transport_fetch_refs(struct transport *transport, struct ref *refs);
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void transport_unlock_pack(struct transport *transport);
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int transport_disconnect(struct transport *transport);
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char *transport_anonymize_url(const char *url);
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void transport_take_over(struct transport *transport,
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struct child_process *child);
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int transport_connect(struct transport *transport, const char *name,
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const char *exec, int fd[2]);
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/* Transport methods defined outside transport.c */
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int transport_helper_init(struct transport *transport, const char *name);
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#endif
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