http-push: store refspecs in a struct refspec
[git/git.git] / remote.h
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1#ifndef REMOTE_H
2#define REMOTE_H
3
28f5d176 4#include "parse-options.h"
d0da003d 5#include "hashmap.h"
6bdb304b 6#include "refspec.h"
28f5d176 7
89cf4c70 8enum {
674468b3 9 REMOTE_UNCONFIGURED = 0,
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10 REMOTE_CONFIG,
11 REMOTE_REMOTES,
12 REMOTE_BRANCHES
13};
14
5751f490 15struct remote {
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PR
16 struct hashmap_entry ent; /* must be first */
17
5751f490 18 const char *name;
e459b073 19 int origin, configured_in_repo;
5751f490 20
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21 const char *foreign_vcs;
22
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23 const char **url;
24 int url_nr;
2d31347b 25 int url_alloc;
5751f490 26
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27 const char **pushurl;
28 int pushurl_nr;
29 int pushurl_alloc;
30
6bdb304b 31 struct refspec push;
5751f490 32
e5349abf 33 struct refspec fetch;
5d46c9d4 34
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35 /*
36 * -1 to never fetch tags
37 * 0 to auto-follow tags on heuristic (default)
38 * 1 to always auto-follow tags
39 * 2 to always fetch tags
40 */
41 int fetch_tags;
211c8968 42 int skip_default_update;
84bb2dfd 43 int mirror;
737c5a9c 44 int prune;
97716d21 45 int prune_tags;
d71ab174 46
5751f490 47 const char *receivepack;
0012ba21 48 const char *uploadpack;
14c98218
SV
49
50 /*
51 * for curl remotes only
52 */
53 char *http_proxy;
ef976395 54 char *http_proxy_authmethod;
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55};
56
57struct remote *remote_get(const char *name);
f24f715e 58struct remote *pushremote_get(const char *name);
e459b073 59int remote_is_configured(struct remote *remote, int in_repo);
5751f490 60
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61typedef int each_remote_fn(struct remote *remote, void *priv);
62int for_each_remote(each_remote_fn fn, void *priv);
63
28b91f8a 64int remote_has_url(struct remote *remote, const char *url);
5d46c9d4 65
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66struct ref {
67 struct ref *next;
f4e54d02 68 struct object_id old_oid;
69 struct object_id new_oid;
70 struct object_id old_oid_expect; /* used by expect-old */
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71 char *symref;
72 unsigned int
73 force:1,
74 forced_update:1,
91048a95 75 expect_old_sha1:1,
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76 deletion:1;
77
78 enum {
79 REF_NOT_MATCHED = 0, /* initial value */
80 REF_MATCHED,
81 REF_UNADVERTISED_NOT_ALLOWED
82 } match_status;
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83
84 /*
85 * Order is important here, as we write to FETCH_HEAD
86 * in numeric order. And the default NOT_FOR_MERGE
87 * should be 0, so that xcalloc'd structures get it
88 * by default.
89 */
90 enum {
91 FETCH_HEAD_MERGE = -1,
92 FETCH_HEAD_NOT_FOR_MERGE = 0,
93 FETCH_HEAD_IGNORE = 1
94 } fetch_head_status;
95
96 enum {
97 REF_STATUS_NONE = 0,
98 REF_STATUS_OK,
99 REF_STATUS_REJECT_NONFASTFORWARD,
100 REF_STATUS_REJECT_ALREADY_EXISTS,
101 REF_STATUS_REJECT_NODELETE,
102 REF_STATUS_REJECT_FETCH_FIRST,
103 REF_STATUS_REJECT_NEEDS_FORCE,
631b5ef2 104 REF_STATUS_REJECT_STALE,
4820a33b 105 REF_STATUS_REJECT_SHALLOW,
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106 REF_STATUS_UPTODATE,
107 REF_STATUS_REMOTE_REJECT,
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108 REF_STATUS_EXPECTING_REPORT,
109 REF_STATUS_ATOMIC_PUSH_FAILED
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110 } status;
111 char *remote_status;
112 struct ref *peer_ref; /* when renaming */
113 char name[FLEX_ARRAY]; /* more */
114};
115
116#define REF_NORMAL (1u << 0)
117#define REF_HEADS (1u << 1)
118#define REF_TAGS (1u << 2)
119
120extern struct ref *find_ref_by_name(const struct ref *list, const char *name);
121
59c69c0c 122struct ref *alloc_ref(const char *name);
59a57757 123struct ref *copy_ref(const struct ref *ref);
4577370e 124struct ref *copy_ref_list(const struct ref *ref);
ed81c76b 125void sort_ref_list(struct ref **, int (*cmp)(const void *, const void *));
ca02465b 126extern int count_refspec_match(const char *, struct ref *refs, struct ref **matched_ref);
ed81c76b 127int ref_compare_name(const void *, const void *);
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128
129int check_ref_type(const struct ref *ref, int flags);
130
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131/*
132 * Frees the entire list and peers of elements.
133 */
134void free_refs(struct ref *ref);
135
910650d2 136struct oid_array;
ad6ac124 137struct packet_reader;
e52449b6 138struct argv_array;
ad6ac124 139extern struct ref **get_remote_heads(struct packet_reader *reader,
47a59185 140 struct ref **list, unsigned int flags,
910650d2 141 struct oid_array *extra_have,
ad6ac124 142 struct oid_array *shallow_points);
47a59185 143
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144/* Used for protocol v2 in order to retrieve refs from a remote */
145extern struct ref **get_remote_refs(int fd_out, struct packet_reader *reader,
146 struct ref **list, int for_push,
147 const struct argv_array *ref_prefixes);
47a59185 148
be885d96 149int resolve_remote_symref(struct ref *ref, struct ref *list);
6f3d57b6 150int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid);
be885d96 151
2467a4fa 152/*
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153 * Remove and free all but the first of any entries in the input list
154 * that map the same remote reference to the same local reference. If
155 * there are two entries that map different remote references to the
156 * same local reference, emit an error message and die. Return a
157 * pointer to the head of the resulting list.
2467a4fa 158 */
b9afe665 159struct ref *ref_remove_duplicates(struct ref *ref_map);
2467a4fa 160
86baf825 161int query_refspecs(struct refspec *rs, struct refspec_item *query);
d000414e 162char *apply_refspecs(struct refspec *rs, const char *name);
72ff8943 163
ba928c13 164int check_push_refs(struct ref *src, int nr_refspec, const char **refspec);
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165int match_push_refs(struct ref *src, struct ref **dst,
166 int nr_refspec, const char **refspec, int all);
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167void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
168 int force_update);
6b62816c 169
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170/*
171 * Given a list of the remote refs and the specification of things to
172 * fetch, makes a (separate) list of the refs to fetch and the local
173 * refs to store into.
174 *
175 * *tail is the pointer to the tail pointer of the list of results
176 * beforehand, and will be set to the tail pointer of the list of
177 * results afterward.
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178 *
179 * missing_ok is usually false, but when we are adding branch.$name.merge
180 * it is Ok if the branch is not at the remote anymore.
d71ab174 181 */
0ad4a5ff 182int get_fetch_map(const struct ref *remote_refs, const struct refspec_item *refspec,
9ad7c5ae 183 struct ref ***tail, int missing_ok);
d71ab174 184
4577370e 185struct ref *get_remote_ref(const struct ref *remote_refs, const char *name);
d71ab174 186
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187/*
188 * For the given remote, reads the refspec's src and sets the other fields.
189 */
0ad4a5ff 190int remote_find_tracking(struct remote *remote, struct refspec_item *refspec);
5d46c9d4 191
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192struct branch {
193 const char *name;
194 const char *refname;
195
196 const char *remote_name;
da66b274 197 const char *pushremote_name;
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198
199 const char **merge_name;
0ad4a5ff 200 struct refspec_item **merge;
cf818348 201 int merge_nr;
2d31347b 202 int merge_alloc;
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203
204 const char *push_tracking_ref;
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205};
206
207struct branch *branch_get(const char *name);
f052154d 208const char *remote_for_branch(struct branch *branch, int *explicit);
da66b274 209const char *pushremote_for_branch(struct branch *branch, int *explicit);
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210const char *remote_ref_for_branch(struct branch *branch, int for_push,
211 int *explicit);
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212
213int branch_has_merge_config(struct branch *branch);
85682c19 214int branch_merge_matches(struct branch *, int n, const char *);
cf818348 215
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216/**
217 * Return the fully-qualified refname of the tracking branch for `branch`.
218 * I.e., what "branch@{upstream}" would give you. Returns NULL if no
219 * upstream is defined.
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220 *
221 * If `err` is not NULL and no upstream is defined, a more specific error
222 * message is recorded there (if the function does not return NULL, then
223 * `err` is not touched).
a9f9f8cc 224 */
3a429d0a 225const char *branch_get_upstream(struct branch *branch, struct strbuf *err);
a9f9f8cc 226
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227/**
228 * Return the tracking branch that corresponds to the ref we would push to
229 * given a bare `git push` while `branch` is checked out.
230 *
231 * The return value and `err` conventions match those of `branch_get_upstream`.
232 */
233const char *branch_get_push(struct branch *branch, struct strbuf *err);
234
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235/* Flags to match_refs. */
236enum match_refs_flags {
237 MATCH_REFS_NONE = 0,
238 MATCH_REFS_ALL = (1 << 0),
6ddba5e2 239 MATCH_REFS_MIRROR = (1 << 1),
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240 MATCH_REFS_PRUNE = (1 << 2),
241 MATCH_REFS_FOLLOW_TAGS = (1 << 3)
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242};
243
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244/* Flags for --ahead-behind option. */
245enum ahead_behind_flags {
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246 AHEAD_BEHIND_UNSPECIFIED = -1,
247 AHEAD_BEHIND_QUICK = 0, /* just eq/neq reporting */
248 AHEAD_BEHIND_FULL = 1, /* traditional a/b reporting */
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249};
250
6d21bf96 251/* Reporting of tracking info */
979cb245 252int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
d7d1b496 253 const char **upstream_name, enum ahead_behind_flags abf);
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254int format_tracking_info(struct branch *branch, struct strbuf *sb,
255 enum ahead_behind_flags abf);
6d21bf96 256
454e2025 257struct ref *get_local_heads(void);
8ef51733 258/*
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259 * Find refs from a list which are likely to be pointed to by the given HEAD
260 * ref. If 'all' is false, returns the most likely ref; otherwise, returns a
261 * list of all candidate refs. If no match is found (or 'head' is NULL),
262 * returns NULL. All returns are newly allocated and should be freed.
8ef51733 263 */
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264struct ref *guess_remote_head(const struct ref *head,
265 const struct ref *refs,
266 int all);
267
f2ef6075 268/* Return refs which no longer exist on remote */
a2ac50cb 269struct ref *get_stale_heads(struct refspec *rs, struct ref *fetch_map);
f2ef6075 270
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271/*
272 * Compare-and-swap
273 */
274#define CAS_OPT_NAME "force-with-lease"
275
276struct push_cas_option {
277 unsigned use_tracking_for_rest:1;
278 struct push_cas {
b8566f8f 279 struct object_id expect;
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280 unsigned use_tracking:1;
281 char *refname;
282 } *entry;
283 int nr;
284 int alloc;
285};
286
287extern int parseopt_push_cas_option(const struct option *, const char *arg, int unset);
28f5d176 288
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289extern int is_empty_cas(const struct push_cas_option *);
290void apply_push_cas(struct push_cas_option *, struct remote *, struct ref *);
291
5751f490 292#endif