| #ifndef REMOTE_H |
| #define REMOTE_H |
| |
| #include "cache.h" |
| #include "parse-options.h" |
| #include "hashmap.h" |
| #include "refspec.h" |
| |
| /** |
| * The API gives access to the configuration related to remotes. It handles |
| * all three configuration mechanisms historically and currently used by Git, |
| * and presents the information in a uniform fashion. Note that the code also |
| * handles plain URLs without any configuration, giving them just the default |
| * information. |
| */ |
| |
| enum { |
| REMOTE_UNCONFIGURED = 0, |
| REMOTE_CONFIG, |
| REMOTE_REMOTES, |
| REMOTE_BRANCHES |
| }; |
| |
| struct remote { |
| struct hashmap_entry ent; |
| |
| /* The user's nickname for the remote */ |
| const char *name; |
| |
| int origin, configured_in_repo; |
| |
| const char *foreign_vcs; |
| |
| /* An array of all of the url_nr URLs configured for the remote */ |
| const char **url; |
| |
| int url_nr; |
| int url_alloc; |
| |
| /* An array of all of the pushurl_nr push URLs configured for the remote */ |
| const char **pushurl; |
| |
| int pushurl_nr; |
| int pushurl_alloc; |
| |
| struct refspec push; |
| |
| struct refspec fetch; |
| |
| /* |
| * The setting for whether to fetch tags (as a separate rule from the |
| * configured refspecs); |
| * -1 to never fetch tags |
| * 0 to auto-follow tags on heuristic (default) |
| * 1 to always auto-follow tags |
| * 2 to always fetch tags |
| */ |
| int fetch_tags; |
| |
| int skip_default_update; |
| int mirror; |
| int prune; |
| int prune_tags; |
| |
| /** |
| * The configured helper programs to run on the remote side, for |
| * Git-native protocols. |
| */ |
| const char *receivepack; |
| const char *uploadpack; |
| |
| /* The proxy to use for curl (http, https, ftp, etc.) URLs. */ |
| char *http_proxy; |
| |
| /* The method used for authenticating against `http_proxy`. */ |
| char *http_proxy_authmethod; |
| }; |
| |
| /** |
| * struct remotes can be found by name with remote_get(). |
| * remote_get(NULL) will return the default remote, given the current branch |
| * and configuration. |
| */ |
| struct remote *remote_get(const char *name); |
| |
| struct remote *pushremote_get(const char *name); |
| int remote_is_configured(struct remote *remote, int in_repo); |
| |
| typedef int each_remote_fn(struct remote *remote, void *priv); |
| |
| /* iterate through struct remotes */ |
| int for_each_remote(each_remote_fn fn, void *priv); |
| |
| int remote_has_url(struct remote *remote, const char *url); |
| |
| struct ref_push_report { |
| const char *ref_name; |
| struct object_id *old_oid; |
| struct object_id *new_oid; |
| unsigned int forced_update:1; |
| struct ref_push_report *next; |
| }; |
| |
| struct ref { |
| struct ref *next; |
| struct object_id old_oid; |
| struct object_id new_oid; |
| struct object_id old_oid_expect; /* used by expect-old */ |
| char *symref; |
| char *tracking_ref; |
| unsigned int |
| force:1, |
| forced_update:1, |
| expect_old_sha1:1, |
| exact_oid:1, |
| deletion:1, |
| /* Need to check if local reflog reaches the remote tip. */ |
| check_reachable:1, |
| /* |
| * Store the result of the check enabled by "check_reachable"; |
| * implies the local reflog does not reach the remote tip. |
| */ |
| unreachable:1; |
| |
| enum { |
| REF_NOT_MATCHED = 0, /* initial value */ |
| REF_MATCHED, |
| REF_UNADVERTISED_NOT_ALLOWED |
| } match_status; |
| |
| /* |
| * Order is important here, as we write to FETCH_HEAD |
| * in numeric order. And the default NOT_FOR_MERGE |
| * should be 0, so that xcalloc'd structures get it |
| * by default. |
| */ |
| enum { |
| FETCH_HEAD_MERGE = -1, |
| FETCH_HEAD_NOT_FOR_MERGE = 0, |
| FETCH_HEAD_IGNORE = 1 |
| } fetch_head_status; |
| |
| enum { |
| REF_STATUS_NONE = 0, |
| REF_STATUS_OK, |
| REF_STATUS_REJECT_NONFASTFORWARD, |
| REF_STATUS_REJECT_ALREADY_EXISTS, |
| REF_STATUS_REJECT_NODELETE, |
| REF_STATUS_REJECT_FETCH_FIRST, |
| REF_STATUS_REJECT_NEEDS_FORCE, |
| REF_STATUS_REJECT_STALE, |
| REF_STATUS_REJECT_SHALLOW, |
| REF_STATUS_REJECT_REMOTE_UPDATED, |
| REF_STATUS_UPTODATE, |
| REF_STATUS_REMOTE_REJECT, |
| REF_STATUS_EXPECTING_REPORT, |
| REF_STATUS_ATOMIC_PUSH_FAILED |
| } status; |
| char *remote_status; |
| struct ref_push_report *report; |
| struct ref *peer_ref; /* when renaming */ |
| char name[FLEX_ARRAY]; /* more */ |
| }; |
| |
| #define REF_NORMAL (1u << 0) |
| #define REF_HEADS (1u << 1) |
| #define REF_TAGS (1u << 2) |
| |
| struct ref *find_ref_by_name(const struct ref *list, const char *name); |
| |
| struct ref *alloc_ref(const char *name); |
| struct ref *copy_ref(const struct ref *ref); |
| struct ref *copy_ref_list(const struct ref *ref); |
| void sort_ref_list(struct ref **, int (*cmp)(const void *, const void *)); |
| int count_refspec_match(const char *, struct ref *refs, struct ref **matched_ref); |
| int ref_compare_name(const void *, const void *); |
| |
| int check_ref_type(const struct ref *ref, int flags); |
| |
| /* |
| * Free a single ref and its peer, or an entire list of refs and their peers, |
| * respectively. |
| */ |
| void free_one_ref(struct ref *ref); |
| void free_refs(struct ref *ref); |
| |
| struct oid_array; |
| struct packet_reader; |
| struct strvec; |
| struct string_list; |
| struct ref **get_remote_heads(struct packet_reader *reader, |
| struct ref **list, unsigned int flags, |
| struct oid_array *extra_have, |
| struct oid_array *shallow_points); |
| |
| /* Used for protocol v2 in order to retrieve refs from a remote */ |
| struct ref **get_remote_refs(int fd_out, struct packet_reader *reader, |
| struct ref **list, int for_push, |
| const struct strvec *ref_prefixes, |
| const struct string_list *server_options, |
| int stateless_rpc); |
| |
| int resolve_remote_symref(struct ref *ref, struct ref *list); |
| |
| /* |
| * Remove and free all but the first of any entries in the input list |
| * that map the same remote reference to the same local reference. If |
| * there are two entries that map different remote references to the |
| * same local reference, emit an error message and die. Return a |
| * pointer to the head of the resulting list. |
| */ |
| struct ref *ref_remove_duplicates(struct ref *ref_map); |
| |
| /* |
| * Remove all entries in the input list which match any negative refspec in |
| * the refspec list. |
| */ |
| struct ref *apply_negative_refspecs(struct ref *ref_map, struct refspec *rs); |
| |
| int query_refspecs(struct refspec *rs, struct refspec_item *query); |
| char *apply_refspecs(struct refspec *rs, const char *name); |
| |
| int check_push_refs(struct ref *src, struct refspec *rs); |
| int match_push_refs(struct ref *src, struct ref **dst, |
| struct refspec *rs, int flags); |
| void set_ref_status_for_push(struct ref *remote_refs, int send_mirror, |
| int force_update); |
| |
| /* |
| * Given a list of the remote refs and the specification of things to |
| * fetch, makes a (separate) list of the refs to fetch and the local |
| * refs to store into. Note that negative refspecs are ignored here, and |
| * should be handled separately. |
| * |
| * *tail is the pointer to the tail pointer of the list of results |
| * beforehand, and will be set to the tail pointer of the list of |
| * results afterward. |
| * |
| * missing_ok is usually false, but when we are adding branch.$name.merge |
| * it is Ok if the branch is not at the remote anymore. |
| */ |
| int get_fetch_map(const struct ref *remote_refs, const struct refspec_item *refspec, |
| struct ref ***tail, int missing_ok); |
| |
| struct ref *get_remote_ref(const struct ref *remote_refs, const char *name); |
| |
| /* |
| * For the given remote, reads the refspec's src and sets the other fields. |
| */ |
| int remote_find_tracking(struct remote *remote, struct refspec_item *refspec); |
| |
| /** |
| * struct branch holds the configuration for a branch. It can be looked up with |
| * branch_get(name) for "refs/heads/{name}", or with branch_get(NULL) for HEAD. |
| */ |
| struct branch { |
| |
| /* The short name of the branch. */ |
| const char *name; |
| |
| /* The full path for the branch ref. */ |
| const char *refname; |
| |
| /* The name of the remote listed in the configuration. */ |
| const char *remote_name; |
| |
| const char *pushremote_name; |
| |
| /* An array of the "merge" lines in the configuration. */ |
| const char **merge_name; |
| |
| /** |
| * An array of the struct refspecs used for the merge lines. That is, |
| * merge[i]->dst is a local tracking ref which should be merged into this |
| * branch by default. |
| */ |
| struct refspec_item **merge; |
| |
| /* The number of merge configurations */ |
| int merge_nr; |
| |
| int merge_alloc; |
| |
| const char *push_tracking_ref; |
| }; |
| |
| struct branch *branch_get(const char *name); |
| const char *remote_for_branch(struct branch *branch, int *explicit); |
| const char *pushremote_for_branch(struct branch *branch, int *explicit); |
| const char *remote_ref_for_branch(struct branch *branch, int for_push); |
| |
| /* returns true if the given branch has merge configuration given. */ |
| int branch_has_merge_config(struct branch *branch); |
| |
| int branch_merge_matches(struct branch *, int n, const char *); |
| |
| /** |
| * Return the fully-qualified refname of the tracking branch for `branch`. |
| * I.e., what "branch@{upstream}" would give you. Returns NULL if no |
| * upstream is defined. |
| * |
| * If `err` is not NULL and no upstream is defined, a more specific error |
| * message is recorded there (if the function does not return NULL, then |
| * `err` is not touched). |
| */ |
| const char *branch_get_upstream(struct branch *branch, struct strbuf *err); |
| |
| /** |
| * Return the tracking branch that corresponds to the ref we would push to |
| * given a bare `git push` while `branch` is checked out. |
| * |
| * The return value and `err` conventions match those of `branch_get_upstream`. |
| */ |
| const char *branch_get_push(struct branch *branch, struct strbuf *err); |
| |
| /* Flags to match_refs. */ |
| enum match_refs_flags { |
| MATCH_REFS_NONE = 0, |
| MATCH_REFS_ALL = (1 << 0), |
| MATCH_REFS_MIRROR = (1 << 1), |
| MATCH_REFS_PRUNE = (1 << 2), |
| MATCH_REFS_FOLLOW_TAGS = (1 << 3) |
| }; |
| |
| /* Flags for --ahead-behind option. */ |
| enum ahead_behind_flags { |
| AHEAD_BEHIND_UNSPECIFIED = -1, |
| AHEAD_BEHIND_QUICK = 0, /* just eq/neq reporting */ |
| AHEAD_BEHIND_FULL = 1, /* traditional a/b reporting */ |
| }; |
| |
| /* Reporting of tracking info */ |
| int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs, |
| const char **upstream_name, int for_push, |
| enum ahead_behind_flags abf); |
| int format_tracking_info(struct branch *branch, struct strbuf *sb, |
| enum ahead_behind_flags abf); |
| |
| struct ref *get_local_heads(void); |
| /* |
| * Find refs from a list which are likely to be pointed to by the given HEAD |
| * ref. If 'all' is false, returns the most likely ref; otherwise, returns a |
| * list of all candidate refs. If no match is found (or 'head' is NULL), |
| * returns NULL. All returns are newly allocated and should be freed. |
| */ |
| struct ref *guess_remote_head(const struct ref *head, |
| const struct ref *refs, |
| int all); |
| |
| /* Return refs which no longer exist on remote */ |
| struct ref *get_stale_heads(struct refspec *rs, struct ref *fetch_map); |
| |
| /* |
| * Compare-and-swap |
| */ |
| #define CAS_OPT_NAME "force-with-lease" |
| |
| struct push_cas_option { |
| unsigned use_tracking_for_rest:1; |
| unsigned use_force_if_includes:1; |
| struct push_cas { |
| struct object_id expect; |
| unsigned use_tracking:1; |
| char *refname; |
| } *entry; |
| int nr; |
| int alloc; |
| }; |
| |
| int parseopt_push_cas_option(const struct option *, const char *arg, int unset); |
| |
| int is_empty_cas(const struct push_cas_option *); |
| void apply_push_cas(struct push_cas_option *, struct remote *, struct ref *); |
| |
| #endif |