remote rename: demonstrate a bogus "remote exists" bug
[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"
28f5d176 6
89cf4c70 7enum {
674468b3 8 REMOTE_UNCONFIGURED = 0,
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9 REMOTE_CONFIG,
10 REMOTE_REMOTES,
11 REMOTE_BRANCHES
12};
13
5751f490 14struct remote {
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PR
15 struct hashmap_entry ent; /* must be first */
16
5751f490 17 const char *name;
89cf4c70 18 int origin;
5751f490 19
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20 const char *foreign_vcs;
21
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22 const char **url;
23 int url_nr;
2d31347b 24 int url_alloc;
5751f490 25
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26 const char **pushurl;
27 int pushurl_nr;
28 int pushurl_alloc;
29
5751f490 30 const char **push_refspec;
6b62816c 31 struct refspec *push;
5751f490 32 int push_refspec_nr;
2d31347b 33 int push_refspec_alloc;
5751f490 34
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35 const char **fetch_refspec;
36 struct refspec *fetch;
37 int fetch_refspec_nr;
2d31347b 38 int fetch_refspec_alloc;
5d46c9d4 39
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40 /*
41 * -1 to never fetch tags
42 * 0 to auto-follow tags on heuristic (default)
43 * 1 to always auto-follow tags
44 * 2 to always fetch tags
45 */
46 int fetch_tags;
211c8968 47 int skip_default_update;
84bb2dfd 48 int mirror;
737c5a9c 49 int prune;
d71ab174 50
5751f490 51 const char *receivepack;
0012ba21 52 const char *uploadpack;
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53
54 /*
55 * for curl remotes only
56 */
57 char *http_proxy;
ef976395 58 char *http_proxy_authmethod;
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59};
60
61struct remote *remote_get(const char *name);
f24f715e 62struct remote *pushremote_get(const char *name);
674468b3 63int remote_is_configured(struct remote *remote);
5751f490 64
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65typedef int each_remote_fn(struct remote *remote, void *priv);
66int for_each_remote(each_remote_fn fn, void *priv);
67
28b91f8a 68int remote_has_url(struct remote *remote, const char *url);
5d46c9d4 69
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70struct refspec {
71 unsigned force : 1;
72 unsigned pattern : 1;
a83619d6 73 unsigned matching : 1;
6e7b66ee 74 unsigned exact_sha1 : 1;
6b62816c 75
b42f6927 76 char *src;
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77 char *dst;
78};
79
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80extern const struct refspec *tag_refspec;
81
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82struct ref {
83 struct ref *next;
f4e54d02 84 struct object_id old_oid;
85 struct object_id new_oid;
86 struct object_id old_oid_expect; /* used by expect-old */
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87 char *symref;
88 unsigned int
89 force:1,
90 forced_update:1,
91048a95 91 expect_old_sha1:1,
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92 deletion:1,
93 matched:1;
94
95 /*
96 * Order is important here, as we write to FETCH_HEAD
97 * in numeric order. And the default NOT_FOR_MERGE
98 * should be 0, so that xcalloc'd structures get it
99 * by default.
100 */
101 enum {
102 FETCH_HEAD_MERGE = -1,
103 FETCH_HEAD_NOT_FOR_MERGE = 0,
104 FETCH_HEAD_IGNORE = 1
105 } fetch_head_status;
106
107 enum {
108 REF_STATUS_NONE = 0,
109 REF_STATUS_OK,
110 REF_STATUS_REJECT_NONFASTFORWARD,
111 REF_STATUS_REJECT_ALREADY_EXISTS,
112 REF_STATUS_REJECT_NODELETE,
113 REF_STATUS_REJECT_FETCH_FIRST,
114 REF_STATUS_REJECT_NEEDS_FORCE,
631b5ef2 115 REF_STATUS_REJECT_STALE,
4820a33b 116 REF_STATUS_REJECT_SHALLOW,
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117 REF_STATUS_UPTODATE,
118 REF_STATUS_REMOTE_REJECT,
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119 REF_STATUS_EXPECTING_REPORT,
120 REF_STATUS_ATOMIC_PUSH_FAILED
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121 } status;
122 char *remote_status;
123 struct ref *peer_ref; /* when renaming */
124 char name[FLEX_ARRAY]; /* more */
125};
126
127#define REF_NORMAL (1u << 0)
128#define REF_HEADS (1u << 1)
129#define REF_TAGS (1u << 2)
130
131extern struct ref *find_ref_by_name(const struct ref *list, const char *name);
132
59c69c0c 133struct ref *alloc_ref(const char *name);
59a57757 134struct ref *copy_ref(const struct ref *ref);
4577370e 135struct ref *copy_ref_list(const struct ref *ref);
ed81c76b 136void sort_ref_list(struct ref **, int (*cmp)(const void *, const void *));
ca02465b 137extern int count_refspec_match(const char *, struct ref *refs, struct ref **matched_ref);
ed81c76b 138int ref_compare_name(const void *, const void *);
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139
140int check_ref_type(const struct ref *ref, int flags);
141
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142/*
143 * Frees the entire list and peers of elements.
144 */
145void free_refs(struct ref *ref);
146
13eb4626 147struct sha1_array;
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148extern struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
149 struct ref **list, unsigned int flags,
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150 struct sha1_array *extra_have,
151 struct sha1_array *shallow);
47a59185 152
be885d96 153int resolve_remote_symref(struct ref *ref, struct ref *list);
6f3d57b6 154int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid);
be885d96 155
2467a4fa 156/*
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157 * Remove and free all but the first of any entries in the input list
158 * that map the same remote reference to the same local reference. If
159 * there are two entries that map different remote references to the
160 * same local reference, emit an error message and die. Return a
161 * pointer to the head of the resulting list.
2467a4fa 162 */
b9afe665 163struct ref *ref_remove_duplicates(struct ref *ref_map);
2467a4fa 164
24b6177e 165int valid_fetch_refspec(const char *refspec);
46220ca1 166struct refspec *parse_fetch_refspec(int nr_refspec, const char **refspec);
d71ab174 167
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168void free_refspec(int nr_refspec, struct refspec *refspec);
169
ca02465b 170extern int query_refspecs(struct refspec *specs, int nr, struct refspec *query);
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171char *apply_refspecs(struct refspec *refspecs, int nr_refspec,
172 const char *name);
173
ba928c13 174int check_push_refs(struct ref *src, int nr_refspec, const char **refspec);
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175int match_push_refs(struct ref *src, struct ref **dst,
176 int nr_refspec, const char **refspec, int all);
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177void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
178 int force_update);
6b62816c 179
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180/*
181 * Given a list of the remote refs and the specification of things to
182 * fetch, makes a (separate) list of the refs to fetch and the local
183 * refs to store into.
184 *
185 * *tail is the pointer to the tail pointer of the list of results
186 * beforehand, and will be set to the tail pointer of the list of
187 * results afterward.
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188 *
189 * missing_ok is usually false, but when we are adding branch.$name.merge
190 * it is Ok if the branch is not at the remote anymore.
d71ab174 191 */
4577370e 192int get_fetch_map(const struct ref *remote_refs, const struct refspec *refspec,
9ad7c5ae 193 struct ref ***tail, int missing_ok);
d71ab174 194
4577370e 195struct ref *get_remote_ref(const struct ref *remote_refs, const char *name);
d71ab174 196
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197/*
198 * For the given remote, reads the refspec's src and sets the other fields.
199 */
200int remote_find_tracking(struct remote *remote, struct refspec *refspec);
201
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202struct branch {
203 const char *name;
204 const char *refname;
205
206 const char *remote_name;
da66b274 207 const char *pushremote_name;
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208
209 const char **merge_name;
210 struct refspec **merge;
211 int merge_nr;
2d31347b 212 int merge_alloc;
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213
214 const char *push_tracking_ref;
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215};
216
217struct branch *branch_get(const char *name);
f052154d 218const char *remote_for_branch(struct branch *branch, int *explicit);
da66b274 219const char *pushremote_for_branch(struct branch *branch, int *explicit);
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220
221int branch_has_merge_config(struct branch *branch);
85682c19 222int branch_merge_matches(struct branch *, int n, const char *);
cf818348 223
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224/**
225 * Return the fully-qualified refname of the tracking branch for `branch`.
226 * I.e., what "branch@{upstream}" would give you. Returns NULL if no
227 * upstream is defined.
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228 *
229 * If `err` is not NULL and no upstream is defined, a more specific error
230 * message is recorded there (if the function does not return NULL, then
231 * `err` is not touched).
a9f9f8cc 232 */
3a429d0a 233const char *branch_get_upstream(struct branch *branch, struct strbuf *err);
a9f9f8cc 234
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235/**
236 * Return the tracking branch that corresponds to the ref we would push to
237 * given a bare `git push` while `branch` is checked out.
238 *
239 * The return value and `err` conventions match those of `branch_get_upstream`.
240 */
241const char *branch_get_push(struct branch *branch, struct strbuf *err);
242
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243/* Flags to match_refs. */
244enum match_refs_flags {
245 MATCH_REFS_NONE = 0,
246 MATCH_REFS_ALL = (1 << 0),
6ddba5e2 247 MATCH_REFS_MIRROR = (1 << 1),
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248 MATCH_REFS_PRUNE = (1 << 2),
249 MATCH_REFS_FOLLOW_TAGS = (1 << 3)
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250};
251
6d21bf96 252/* Reporting of tracking info */
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253int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
254 const char **upstream_name);
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255int format_tracking_info(struct branch *branch, struct strbuf *sb);
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 */
ed43de6e 269struct ref *get_stale_heads(struct refspec *refs, int ref_count, 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 {
279 unsigned char expect[20];
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);
288extern int parse_push_cas_option(struct push_cas_option *, const char *arg, int unset);
28f5d176 289
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290extern int is_empty_cas(const struct push_cas_option *);
291void apply_push_cas(struct push_cas_option *, struct remote *, struct ref *);
292
5751f490 293#endif