5 #include "run-command.h"
8 struct git_transport_options
{
11 unsigned followtags
: 1;
12 unsigned check_self_contained_and_connected
: 1;
13 unsigned self_contained_and_connected
: 1;
14 unsigned update_shallow
: 1;
16 const char *uploadpack
;
17 const char *receivepack
;
18 struct push_cas_option
*cas
;
21 enum transport_family
{
22 TRANSPORT_FAMILY_ALL
= 0,
23 TRANSPORT_FAMILY_IPV4
,
28 struct remote
*remote
;
31 const struct ref
*remote_refs
;
34 * Indicates whether we already called get_refs_list(); set by
35 * transport.c::transport_get_remote_refs().
37 unsigned got_remote_refs
: 1;
40 * Transports that call take-over destroys the data specific to
41 * the transport type while doing so, and cannot be reused.
43 unsigned cannot_reuse
: 1;
46 * A hint from caller that it will be performing a clone, not
47 * normal fetch. IOW the repository is guaranteed empty.
52 * Returns 0 if successful, positive if the option is not
53 * recognized or is inapplicable, and negative if the option
54 * is applicable but the value is invalid.
56 int (*set_option
)(struct transport
*connection
, const char *name
,
60 * Returns a list of the remote side's refs. In order to allow
61 * the transport to try to share connections, for_push is a
62 * hint as to whether the ultimate operation is a push or a fetch.
64 * If the transport is able to determine the remote hash for
65 * the ref without a huge amount of effort, it should store it
66 * in the ref's old_sha1 field; otherwise it should be all 0.
68 struct ref
*(*get_refs_list
)(struct transport
*transport
, int for_push
);
71 * Fetch the objects for the given refs. Note that this gets
72 * an array, and should ignore the list structure.
74 * If the transport did not get hashes for refs in
75 * get_refs_list(), it should set the old_sha1 fields in the
78 int (*fetch
)(struct transport
*transport
, int refs_nr
, struct ref
**refs
);
81 * Push the objects and refs. Send the necessary objects, and
82 * then, for any refs where peer_ref is set and
83 * peer_ref->new_oid is different from old_oid, tell the
84 * remote side to update each ref in the list from old_oid to
87 * Where possible, set the status for each ref appropriately.
89 * The transport must modify new_sha1 in the ref to the new
90 * value if the remote accepted the change. Note that this
91 * could be a different value from peer_ref->new_oid if the
92 * process involved generating new commits.
94 int (*push_refs
)(struct transport
*transport
, struct ref
*refs
, int flags
);
95 int (*push
)(struct transport
*connection
, int refspec_nr
, const char **refspec
, int flags
);
96 int (*connect
)(struct transport
*connection
, const char *name
,
97 const char *executable
, int fd
[2]);
99 /** get_refs_list(), fetch(), and push_refs() can keep
100 * resources (such as a connection) reserved for further
101 * use. disconnect() releases these resources.
103 int (*disconnect
)(struct transport
*connection
);
107 * Transports should not set this directly, and should use this
108 * value without having to check isatty(2), -q/--quiet
109 * (transport->verbose < 0), etc. - checking has already been done
110 * in transport_set_verbosity().
112 unsigned progress
: 1;
114 * If transport is at least potentially smart, this points to
115 * git_transport_options structure to use in case transport
116 * actually turns out to be smart.
118 struct git_transport_options
*smart_options
;
120 enum transport_family family
;
123 #define TRANSPORT_PUSH_ALL 1
124 #define TRANSPORT_PUSH_FORCE 2
125 #define TRANSPORT_PUSH_DRY_RUN 4
126 #define TRANSPORT_PUSH_MIRROR 8
127 #define TRANSPORT_PUSH_PORCELAIN 16
128 #define TRANSPORT_PUSH_SET_UPSTREAM 32
129 #define TRANSPORT_RECURSE_SUBMODULES_CHECK 64
130 #define TRANSPORT_PUSH_PRUNE 128
131 #define TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND 256
132 #define TRANSPORT_PUSH_NO_HOOK 512
133 #define TRANSPORT_PUSH_FOLLOW_TAGS 1024
134 #define TRANSPORT_PUSH_CERT_ALWAYS 2048
135 #define TRANSPORT_PUSH_CERT_IF_ASKED 4096
136 #define TRANSPORT_PUSH_ATOMIC 8192
138 #define TRANSPORT_SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3)
139 #define TRANSPORT_SUMMARY(x) (int)(TRANSPORT_SUMMARY_WIDTH + strlen(x) - gettext_width(x)), (x)
141 /* Returns a transport suitable for the url */
142 struct transport
*transport_get(struct remote
*, const char *);
145 * Check whether a transport is allowed by the environment.
147 * Type should generally be the URL scheme, as described in
148 * Documentation/git.txt
150 * from_user specifies if the transport was given by the user. If unknown pass
151 * a -1 to read from the environment to determine if the transport was given by
155 int is_transport_allowed(const char *type
, int from_user
);
158 * Check whether a transport is allowed by the environment,
161 void transport_check_allowed(const char *type
);
163 /* Transport options which apply to git:// and scp-style URLs */
165 /* The program to use on the remote side to send a pack */
166 #define TRANS_OPT_UPLOADPACK "uploadpack"
168 /* The program to use on the remote side to receive a pack */
169 #define TRANS_OPT_RECEIVEPACK "receivepack"
171 /* Transfer the data as a thin pack if not null */
172 #define TRANS_OPT_THIN "thin"
174 /* Check the current value of the remote ref */
175 #define TRANS_OPT_CAS "cas"
177 /* Keep the pack that was transferred if not null */
178 #define TRANS_OPT_KEEP "keep"
180 /* Limit the depth of the fetch if not null */
181 #define TRANS_OPT_DEPTH "depth"
183 /* Aggressively fetch annotated tags if possible */
184 #define TRANS_OPT_FOLLOWTAGS "followtags"
186 /* Accept refs that may update .git/shallow without --depth */
187 #define TRANS_OPT_UPDATE_SHALLOW "updateshallow"
189 /* Send push certificates */
190 #define TRANS_OPT_PUSH_CERT "pushcert"
193 * Returns 0 if the option was used, non-zero otherwise. Prints a
194 * message to stderr if the option is not used.
196 int transport_set_option(struct transport
*transport
, const char *name
,
198 void transport_set_verbosity(struct transport
*transport
, int verbosity
,
201 #define REJECT_NON_FF_HEAD 0x01
202 #define REJECT_NON_FF_OTHER 0x02
203 #define REJECT_ALREADY_EXISTS 0x04
204 #define REJECT_FETCH_FIRST 0x08
205 #define REJECT_NEEDS_FORCE 0x10
207 int transport_push(struct transport
*connection
,
208 int refspec_nr
, const char **refspec
, int flags
,
209 unsigned int * reject_reasons
);
211 const struct ref
*transport_get_remote_refs(struct transport
*transport
);
213 int transport_fetch_refs(struct transport
*transport
, struct ref
*refs
);
214 void transport_unlock_pack(struct transport
*transport
);
215 int transport_disconnect(struct transport
*transport
);
216 char *transport_anonymize_url(const char *url
);
217 void transport_take_over(struct transport
*transport
,
218 struct child_process
*child
);
220 int transport_connect(struct transport
*transport
, const char *name
,
221 const char *exec
, int fd
[2]);
223 /* Transport methods defined outside transport.c */
224 int transport_helper_init(struct transport
*transport
, const char *name
);
225 int bidirectional_transfer_loop(int input
, int output
);
227 /* common methods used by transport.c and builtin/send-pack.c */
228 void transport_verify_remote_names(int nr_heads
, const char **heads
);
230 void transport_update_tracking_ref(struct remote
*remote
, struct ref
*ref
, int verbose
);
232 int transport_refs_pushed(struct ref
*ref
);
234 void transport_print_push_status(const char *dest
, struct ref
*refs
,
235 int verbose
, int porcelain
, unsigned int *reject_reasons
);
237 typedef void alternate_ref_fn(const struct ref
*, void *);
238 extern void for_each_alternate_ref(alternate_ref_fn
, void *);