diff options
Diffstat (limited to 'transport.h')
| -rw-r--r-- | transport.h | 145 |
1 files changed, 138 insertions, 7 deletions
diff --git a/transport.h b/transport.h index 51b539778c..3e0091eaab 100644 --- a/transport.h +++ b/transport.h @@ -2,8 +2,23 @@ #define TRANSPORT_H #include "cache.h" +#include "run-command.h" #include "remote.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 push_cert : 1; + int depth; + const char *uploadpack; + const char *receivepack; + struct push_cas_option *cas; +}; + struct transport { struct remote *remote; const char *url; @@ -11,6 +26,24 @@ 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; + + /* + * 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; + + /** * 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. @@ -18,24 +51,83 @@ 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 further + * use. disconnect() releases these resources. + **/ int (*disconnect)(struct transport *connection); char *pack_lockfile; - signed verbose : 2; - /* Force progress even if the output is not a tty */ + 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; }; #define TRANSPORT_PUSH_ALL 1 #define TRANSPORT_PUSH_FORCE 2 #define TRANSPORT_PUSH_DRY_RUN 4 #define TRANSPORT_PUSH_MIRROR 8 -#define TRANSPORT_PUSH_VERBOSE 16 -#define TRANSPORT_PUSH_PORCELAIN 32 +#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_NO_HOOK 512 +#define TRANSPORT_PUSH_FOLLOW_TAGS 1024 +#define TRANSPORT_PUSH_CERT 2048 + +#define TRANSPORT_SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3) +#define TRANSPORT_SUMMARY(x) (int)(TRANSPORT_SUMMARY_WIDTH + strlen(x) - gettext_width(x)), (x) /* Returns a transport suitable for the url */ struct transport *transport_get(struct remote *, const char *); @@ -51,6 +143,9 @@ struct transport *transport_get(struct remote *, const char *); /* 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" @@ -60,21 +155,57 @@ struct transport *transport_get(struct remote *, const char *); /* 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" + /** * 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 int transport_push(struct transport *connection, - int refspec_nr, const char **refspec, int flags); + int refspec_nr, const char **refspec, int flags, + unsigned int * reject_reasons); 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); +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); + +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 struct ref *, void *); +extern void for_each_alternate_ref(alternate_ref_fn, void *); #endif |