start_command: detect execvp failures early
[git/gitweb.git] / remote.h
blob8b7ecf9197f2a9210299c9700cc88a92a796f714
1 #ifndef REMOTE_H
2 #define REMOTE_H
4 enum {
5 REMOTE_CONFIG,
6 REMOTE_REMOTES,
7 REMOTE_BRANCHES
8 };
10 struct remote {
11 const char *name;
12 int origin;
14 const char *foreign_vcs;
16 const char **url;
17 int url_nr;
18 int url_alloc;
20 const char **pushurl;
21 int pushurl_nr;
22 int pushurl_alloc;
24 const char **push_refspec;
25 struct refspec *push;
26 int push_refspec_nr;
27 int push_refspec_alloc;
29 const char **fetch_refspec;
30 struct refspec *fetch;
31 int fetch_refspec_nr;
32 int fetch_refspec_alloc;
35 * -1 to never fetch tags
36 * 0 to auto-follow tags on heuristic (default)
37 * 1 to always auto-follow tags
38 * 2 to always fetch tags
40 int fetch_tags;
41 int skip_default_update;
42 int mirror;
44 const char *receivepack;
45 const char *uploadpack;
48 * for curl remotes only
50 char *http_proxy;
53 struct remote *remote_get(const char *name);
54 int remote_is_configured(const char *name);
56 typedef int each_remote_fn(struct remote *remote, void *priv);
57 int for_each_remote(each_remote_fn fn, void *priv);
59 int remote_has_url(struct remote *remote, const char *url);
61 struct refspec {
62 unsigned force : 1;
63 unsigned pattern : 1;
64 unsigned matching : 1;
66 char *src;
67 char *dst;
70 extern const struct refspec *tag_refspec;
72 struct ref *alloc_ref(const char *name);
74 struct ref *copy_ref_list(const struct ref *ref);
76 int check_ref_type(const struct ref *ref, int flags);
79 * Frees the entire list and peers of elements.
81 void free_refs(struct ref *ref);
83 int resolve_remote_symref(struct ref *ref, struct ref *list);
84 int ref_newer(const unsigned char *new_sha1, const unsigned char *old_sha1);
87 * Removes and frees any duplicate refs in the map.
89 void ref_remove_duplicates(struct ref *ref_map);
91 int valid_fetch_refspec(const char *refspec);
92 struct refspec *parse_fetch_refspec(int nr_refspec, const char **refspec);
94 void free_refspec(int nr_refspec, struct refspec *refspec);
96 char *apply_refspecs(struct refspec *refspecs, int nr_refspec,
97 const char *name);
99 int match_refs(struct ref *src, struct ref **dst,
100 int nr_refspec, const char **refspec, int all);
103 * Given a list of the remote refs and the specification of things to
104 * fetch, makes a (separate) list of the refs to fetch and the local
105 * refs to store into.
107 * *tail is the pointer to the tail pointer of the list of results
108 * beforehand, and will be set to the tail pointer of the list of
109 * results afterward.
111 * missing_ok is usually false, but when we are adding branch.$name.merge
112 * it is Ok if the branch is not at the remote anymore.
114 int get_fetch_map(const struct ref *remote_refs, const struct refspec *refspec,
115 struct ref ***tail, int missing_ok);
117 struct ref *get_remote_ref(const struct ref *remote_refs, const char *name);
120 * For the given remote, reads the refspec's src and sets the other fields.
122 int remote_find_tracking(struct remote *remote, struct refspec *refspec);
124 struct branch {
125 const char *name;
126 const char *refname;
128 const char *remote_name;
129 struct remote *remote;
131 const char **merge_name;
132 struct refspec **merge;
133 int merge_nr;
134 int merge_alloc;
137 struct branch *branch_get(const char *name);
139 int branch_has_merge_config(struct branch *branch);
140 int branch_merge_matches(struct branch *, int n, const char *);
142 /* Flags to match_refs. */
143 enum match_refs_flags {
144 MATCH_REFS_NONE = 0,
145 MATCH_REFS_ALL = (1 << 0),
146 MATCH_REFS_MIRROR = (1 << 1),
149 /* Reporting of tracking info */
150 int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs);
151 int format_tracking_info(struct branch *branch, struct strbuf *sb);
153 struct ref *get_local_heads(void);
155 * Find refs from a list which are likely to be pointed to by the given HEAD
156 * ref. If 'all' is false, returns the most likely ref; otherwise, returns a
157 * list of all candidate refs. If no match is found (or 'head' is NULL),
158 * returns NULL. All returns are newly allocated and should be freed.
160 struct ref *guess_remote_head(const struct ref *head,
161 const struct ref *refs,
162 int all);
164 /* Return refs which no longer exist on remote */
165 struct ref *get_stale_heads(struct remote *remote, struct ref *fetch_map);
167 #endif