#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;
+
+ 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;
- const char **push_refspec;
- struct refspec *push;
- int push_refspec_nr;
- int push_refspec_alloc;
+ struct refspec push;
- const char **fetch_refspec;
- struct refspec *fetch;
- int fetch_refspec_nr;
- int fetch_refspec_alloc;
+ 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;
- /*
- * for curl remotes only
- */
+ /* 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);
-int remote_is_configured(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 refspec {
- unsigned force : 1;
- unsigned pattern : 1;
- unsigned matching : 1;
+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;
+ unsigned int
+ force:1,
+ forced_update:1,
+ expect_old_sha1:1,
+ exact_oid:1,
+ deletion:1;
+
+ enum {
+ REF_NOT_MATCHED = 0, /* initial value */
+ REF_MATCHED,
+ REF_UNADVERTISED_NOT_ALLOWED
+ } match_status;
- char *src;
- char *dst;
+ /*
+ * 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_UPTODATE,
+ REF_STATUS_REMOTE_REJECT,
+ REF_STATUS_EXPECTING_REPORT,
+ REF_STATUS_ATOMIC_PUSH_FAILED
+ } status;
+ char *remote_status;
+ struct ref *peer_ref; /* when renaming */
+ char name[FLEX_ARRAY]; /* more */
};
-extern const struct refspec *tag_refspec;
+#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);
/*
- * Frees the entire list and peers of elements.
+ * 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 argv_array;
+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 argv_array *ref_prefixes,
+ const struct string_list *server_options);
+
int resolve_remote_symref(struct ref *ref, struct ref *list);
-int ref_newer(const unsigned char *new_sha1, const unsigned char *old_sha1);
/*
- * Removes and frees any duplicate refs in the map.
+ * 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.
*/
-void ref_remove_duplicates(struct ref *ref_map);
-
-int valid_fetch_refspec(const char *refspec);
-struct refspec *parse_fetch_refspec(int nr_refspec, const char **refspec);
-
-void free_refspec(int nr_refspec, struct refspec *refspec);
+struct ref *ref_remove_duplicates(struct ref *ref_map);
-char *apply_refspecs(struct refspec *refspecs, int nr_refspec,
- const char *name);
+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,
- int nr_refspec, const char **refspec, int all);
+ struct refspec *rs, int flags);
void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
int force_update);
* 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 *refspec,
+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 *refspec);
+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;
- struct remote *remote;
+ const char *pushremote_name;
+
+ /* An array of the "merge" lines in the configuration. */
const char **merge_name;
- struct refspec **merge;
+
+ /**
+ * 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_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);
-int format_tracking_info(struct branch *branch, struct strbuf *sb);
+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);
/*
int all);
/* Return refs which no longer exist on remote */
-struct ref *get_stale_heads(struct refspec *refs, int ref_count, struct ref *fetch_map);
+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;
+ 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
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