diff options
Diffstat (limited to 'transport.h')
| -rw-r--r-- | transport.h | 72 |
1 files changed, 69 insertions, 3 deletions
diff --git a/transport.h b/transport.h index e4e6177..6dd9ae1 100644 --- a/transport.h +++ b/transport.h @@ -4,6 +4,15 @@ #include "cache.h" #include "remote.h" +struct git_transport_options { + unsigned thin : 1; + unsigned keep : 1; + unsigned followtags : 1; + int depth; + const char *uploadpack; + const char *receivepack; +}; + struct transport { struct remote *remote; const char *url; @@ -11,6 +20,12 @@ struct transport { 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; + + /** * 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. @@ -18,16 +33,61 @@ struct transport { 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); - int (*fetch)(struct transport *transport, int refs_nr, const struct ref **refs); + + /** + * 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); + + /** + * 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; - /* Force progress even if the output is not a tty */ + /* Force progress even if stderr is not a tty */ 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; }; #define TRANSPORT_PUSH_ALL 1 @@ -37,6 +97,7 @@ struct transport { #define TRANSPORT_PUSH_VERBOSE 16 #define TRANSPORT_PUSH_PORCELAIN 32 #define TRANSPORT_PUSH_QUIET 64 +#define TRANSPORT_PUSH_SET_UPSTREAM 128 /* Returns a transport suitable for the url */ struct transport *transport_get(struct remote *, const char *); @@ -74,10 +135,15 @@ int transport_push(struct transport *connection, const struct ref *transport_get_remote_refs(struct transport *transport); -int transport_fetch_refs(struct transport *transport, const struct ref *refs); +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); |