/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#ifndef INCLUDE_git_remote_h__
#define INCLUDE_git_remote_h__
#include "common.h"
#include "repository.h"
#include "refspec.h"
#include "net.h"
#include "indexer.h"
#include "strarray.h"
#include "transport.h"
/**
* @file git2/remote.h
* @brief Git remote management functions
* @defgroup git_remote remote management functions
* @ingroup Git
* @{
*/
GIT_BEGIN_DECL
typedef int (*git_remote_rename_problem_cb)(const char *problematic_refspec, void *payload);
/**
* Add a remote with the default fetch refspec to the repository's configuration. This
* calls git_remote_save before returning.
*
* @param out the resulting remote
* @param repo the repository in which to create the remote
* @param name the remote's name
* @param url the remote's url
* @return 0, GIT_EINVALIDSPEC, GIT_EEXISTS or an error code
*/
GIT_EXTERN(int) git_remote_create(
git_remote **out,
git_repository *repo,
const char *name,
const char *url);
/**
* Add a remote with the provided fetch refspec (or default if NULL) to the repository's
* configuration. This
* calls git_remote_save before returning.
*
* @param out the resulting remote
* @param repo the repository in which to create the remote
* @param name the remote's name
* @param url the remote's url
* @param fetch the remote fetch value
* @return 0, GIT_EINVALIDSPEC, GIT_EEXISTS or an error code
*/
GIT_EXTERN(int) git_remote_create_with_fetchspec(
git_remote **out,
git_repository *repo,
const char *name,
const char *url,
const char *fetch);
/**
* Create an anonymous remote
*
* Create a remote with the given url and refspec in memory. You can use
* this when you have a URL instead of a remote's name. Note that anonymous
* remotes cannot be converted to persisted remotes.
*
* The name, when provided, will be checked for validity.
* See `git_tag_create()` for rules about valid names.
*
* @param out pointer to the new remote object
* @param repo the associated repository
* @param url the remote repository's URL
* @param fetch the fetch refspec to use for this remote.
* @return 0 or an error code
*/
GIT_EXTERN(int) git_remote_create_anonymous(
git_remote **out,
git_repository *repo,
const char *url,
const char *fetch);
/**
* Get the information for a particular remote
*
* The name will be checked for validity.
* See `git_tag_create()` for rules about valid names.
*
* @param out pointer to the new remote object
* @param repo the associated repository
* @param name the remote's name
* @return 0, GIT_ENOTFOUND, GIT_EINVALIDSPEC or an error code
*/
GIT_EXTERN(int) git_remote_load(git_remote **out, git_repository *repo, const char *name);
/**
* Save a remote to its repository's configuration
*
* One can't save a in-memory remote. Doing so will
* result in a GIT_EINVALIDSPEC being returned.
*
* @param remote the remote to save to config
* @return 0, GIT_EINVALIDSPEC or an error code
*/
GIT_EXTERN(int) git_remote_save(const git_remote *remote);
/**
* Create a copy of an existing remote. All internal strings are also
* duplicated. Callbacks are not duplicated.
*
* Call `git_remote_free` to free the data.
*
* @param dest pointer where to store the copy
* @param source object to copy
* @return 0 or an error code
*/
GIT_EXTERN(int) git_remote_dup(git_remote **dest, git_remote *source);
/**
* Get the remote's repository
*
* @param remote the remote
* @return a pointer to the repository
*/
GIT_EXTERN(git_repository *) git_remote_owner(const git_remote *remote);
/**
* Get the remote's name
*
* @param remote the remote
* @return a pointer to the name or NULL for in-memory remotes
*/
GIT_EXTERN(const char *) git_remote_name(const git_remote *remote);
/**
* Get the remote's url
*
* @param remote the remote
* @return a pointer to the url
*/
GIT_EXTERN(const char *) git_remote_url(const git_remote *remote);
/**
* Get the remote's url for pushing
*
* @param remote the remote
* @return a pointer to the url or NULL if no special url for pushing is set
*/
GIT_EXTERN(const char *) git_remote_pushurl(const git_remote *remote);
/**
* Set the remote's url
*
* Existing connections will not be updated.
*
* @param remote the remote
* @param url the url to set
* @return 0 or an error value
*/
GIT_EXTERN(int) git_remote_set_url(git_remote *remote, const char* url);
/**
* Set the remote's url for pushing
*
* Existing connections will not be updated.
*
* @param remote the remote
* @param url the url to set or NULL to clear the pushurl
* @return 0 or an error value
*/
GIT_EXTERN(int) git_remote_set_pushurl(git_remote *remote, const char* url);
/**
* Add a fetch refspec to the remote
*
* Convenience function for adding a single fetch refspec to the
* current list in the remote.
*
* @param remote the remote
* @param refspec the new fetch refspec
* @return 0 or an error value
*/
GIT_EXTERN(int) git_remote_add_fetch(git_remote *remote, const char *refspec);
/**
* Get the remote's list of fetch refspecs
*
* The memory is owned by the user and should be freed with
* `git_strarray_free`.
*
* @param array pointer to the array in which to store the strings
* @param remote the remote to query
*/
GIT_EXTERN(int) git_remote_get_fetch_refspecs(git_strarray *array, const git_remote *remote);
/**
* Set the remote's list of fetch refspecs
*
* The contents of the string array are copied.
*
* @param remote the remote to modify
* @param array the new list of fetch resfpecs
*/
GIT_EXTERN(int) git_remote_set_fetch_refspecs(git_remote *remote, git_strarray *array);
/**
* Add a push refspec to the remote
*
* Convenience function for adding a single push refspec to the
* current list in the remote.
*
* @param remote the remote
* @param refspec the new push refspec
* @return 0 or an error value
*/
GIT_EXTERN(int) git_remote_add_push(git_remote *remote, const char *refspec);
/**
* Get the remote's list of push refspecs
*
* The memory is owned by the user and should be freed with
* `git_strarray_free`.
*
* @param array pointer to the array in which to store the strings
* @param remote the remote to query
*/
GIT_EXTERN(int) git_remote_get_push_refspecs(git_strarray *array, const git_remote *remote);
/**
* Set the remote's list of push refspecs
*
* The contents of the string array are copied.
*
* @param remote the remote to modify
* @param array the new list of push resfpecs
*/
GIT_EXTERN(int) git_remote_set_push_refspecs(git_remote *remote, git_strarray *array);
/**
* Clear the refspecs
*
* Remove all configured fetch and push refspecs from the remote.
*
* @param remote the remote
*/
GIT_EXTERN(void) git_remote_clear_refspecs(git_remote *remote);
/**
* Get the number of refspecs for a remote
*
* @param remote the remote
* @return the amount of refspecs configured in this remote
*/
GIT_EXTERN(size_t) git_remote_refspec_count(const git_remote *remote);
/**
* Get a refspec from the remote
*
* @param remote the remote to query
* @param n the refspec to get
* @return the nth refspec
*/
GIT_EXTERN(const git_refspec *)git_remote_get_refspec(const git_remote *remote, size_t n);
/**
* Open a connection to a remote
*
* The transport is selected based on the URL. The direction argument
* is due to a limitation of the git protocol (over TCP or SSH) which
* starts up a specific binary which can only do the one or the other.
*
* @param remote the remote to connect to
* @param direction GIT_DIRECTION_FETCH if you want to fetch or
* GIT_DIRECTION_PUSH if you want to push
* @return 0 or an error code
*/
GIT_EXTERN(int) git_remote_connect(git_remote *remote, git_direction direction);
/**
* Get a list of refs at the remote
*
* The remote (or more exactly its transport) must be connected. The
* memory belongs to the remote.
*
* The array will stay valid as long as the remote object exists and
* its transport isn't changed, but a copy is recommended for usage of
* the data.
*
* @param out pointer to the array
* @param size the number of remote heads
* @param remote the remote
* @return 0 on success, or an error code
*/
GIT_EXTERN(int) git_remote_ls(const git_remote_head ***out, size_t *size, git_remote *remote);
/**
* Download and index the packfile
*
* Connect to the remote if it hasn't been done yet, negotiate with
* the remote git which objects are missing, download and index the
* packfile.
*
* The .idx file will be created and both it and the packfile with be
* renamed to their final name.
*
* @return 0 or an error code
*/
GIT_EXTERN(int) git_remote_download(git_remote *remote);
/**
* Check whether the remote is connected
*
* Check whether the remote's underlying transport is connected to the
* remote host.
*
* @param remote the remote
* @return 1 if it's connected, 0 otherwise.
*/
GIT_EXTERN(int) git_remote_connected(const git_remote *remote);
/**
* Cancel the operation
*
* At certain points in its operation, the network code checks whether
* the operation has been cancelled and if so stops the operation.
*
* @param remote the remote
*/
GIT_EXTERN(void) git_remote_stop(git_remote *remote);
/**
* Disconnect from the remote
*
* Close the connection to the remote and free the underlying
* transport.
*
* @param remote the remote to disconnect from
*/
GIT_EXTERN(void) git_remote_disconnect(git_remote *remote);
/**
* Free the memory associated with a remote
*
* This also disconnects from the remote, if the connection
* has not been closed yet (using git_remote_disconnect).
*
* @param remote the remote to free
*/
GIT_EXTERN(void) git_remote_free(git_remote *remote);
/**
* Update the tips to the new state
*
* @param remote the remote to update
* @param signature The identity to use when updating reflogs
* @param reflog_message The message to insert into the reflogs. If NULL, the
* default is "fetch <name>", where <name> is the name of
* the remote (or its url, for in-memory remotes).
* @return 0 or an error code
*/
GIT_EXTERN(int) git_remote_update_tips(
git_remote *remote,
const git_signature *signature,
const char *reflog_message);
/**
* Download new data and update tips
*
* Convenience function to connect to a remote, download the data,
* disconnect and update the remote-tracking branches.
*
* @param remote the remote to fetch from
* @param signature The identity to use when updating reflogs
* @param reflog_message The message to insert into the reflogs. If NULL, the
* default is "fetch"
* @return 0 or an error code
*/
GIT_EXTERN(int) git_remote_fetch(
git_remote *remote,
const git_signature *signature,
const char *reflog_message);
/**
* Return whether a string is a valid remote URL
*
* @param url the url to check
* @return 1 if the url is valid, 0 otherwise
*/
GIT_EXTERN(int) git_remote_valid_url(const char *url);
/**
* Return whether the passed URL is supported by this version of the library.
*
* @param url the url to check
* @return 1 if the url is supported, 0 otherwise
*/
GIT_EXTERN(int) git_remote_supported_url(const char* url);
/**
* Get a list of the configured remotes for a repo
*
* The string array must be freed by the user.
*
* @param out a string array which receives the names of the remotes
* @param repo the repository to query
* @return 0 or an error code
*/
GIT_EXTERN(int) git_remote_list(git_strarray *out, git_repository *repo);
/**
* Choose whether to check the server's certificate (applies to HTTPS only)
*
* @param remote the remote to configure
* @param check whether to check the server's certificate (defaults to yes)
*/
GIT_EXTERN(void) git_remote_check_cert(git_remote *remote, int check);
/**
* Sets a custom transport for the remote. The caller can use this function
* to bypass the automatic discovery of a transport by URL scheme (i.e.
* http://, https://, git://) and supply their own transport to be used
* instead. After providing the transport to a remote using this function,
* the transport object belongs exclusively to that remote, and the remote will
* free it when it is freed with git_remote_free.
*
* @param remote the remote to configure
* @param transport the transport object for the remote to use
* @return 0 or an error code
*/
GIT_EXTERN(int) git_remote_set_transport(
git_remote *remote,
git_transport *transport);
/**
* Argument to the completion callback which tells it which operation
* finished.
*/
typedef enum git_remote_completion_type {
GIT_REMOTE_COMPLETION_DOWNLOAD,
GIT_REMOTE_COMPLETION_INDEXING,
GIT_REMOTE_COMPLETION_ERROR,
} git_remote_completion_type;
/**
* The callback settings structure
*
* Set the callbacks to be called by the remote when informing the user
* about the progress of the network operations.
*/
struct git_remote_callbacks {
unsigned int version;
/**
* Textual progress from the remote. Text send over the
* progress side-band will be passed to this function (this is
* the 'counting objects' output.
*/
git_transport_message_cb sideband_progress;
/**
* Completion is called when different parts of the download
* process are done (currently unused).
*/
int (*completion)(git_remote_completion_type type, void *data);
/**
* This will be called if the remote host requires
* authentication in order to connect to it.
*
* Returning GIT_PASSTHROUGH will make libgit2 behave as
* though this field isn't set.
*/
git_cred_acquire_cb credentials;
/**
* During the download of new data, this will be regularly
* called with the current count of progress done by the
* indexer.
*/
git_transfer_progress_cb transfer_progress;
/**
* Each time a reference is updated locally, this function
* will be called with information about it.
*/
int (*update_tips)(const char *refname, const git_oid *a, const git_oid *b, void *data);
/**
* This will be passed to each of the callbacks in this struct
* as the last parameter.
*/
void *payload;
};
#define GIT_REMOTE_CALLBACKS_VERSION 1
#define GIT_REMOTE_CALLBACKS_INIT {GIT_REMOTE_CALLBACKS_VERSION}
/**
* Initializes a `git_remote_callbacks` with default values. Equivalent to
* creating an instance with GIT_REMOTE_CALLBACKS_INIT.
*
* @param opts the `git_remote_callbacks` struct to initialize
* @param version Version of struct; pass `GIT_REMOTE_CALLBACKS_VERSION`
* @return Zero on success; -1 on failure.
*/
GIT_EXTERN(int) git_remote_init_callbacks(
git_remote_callbacks *opts,
unsigned int version);
/**
* Set the callbacks for a remote
*
* Note that the remote keeps its own copy of the data and you need to
* call this function again if you want to change the callbacks.
*
* @param remote the remote to configure
* @param callbacks a pointer to the user's callback settings
* @return 0 or an error code
*/
GIT_EXTERN(int) git_remote_set_callbacks(git_remote *remote, const git_remote_callbacks *callbacks);
/**
* Retrieve the current callback structure
*
* This provides read access to the callbacks structure as the remote
* sees it.
*
* @param remote the remote to query
* @return a pointer to the callbacks structure
*/
GIT_EXTERN(const git_remote_callbacks *) git_remote_get_callbacks(git_remote *remote);
/**
* Get the statistics structure that is filled in by the fetch operation.
*/
GIT_EXTERN(const git_transfer_progress *) git_remote_stats(git_remote *remote);
typedef enum {
GIT_REMOTE_DOWNLOAD_TAGS_AUTO = 0,
GIT_REMOTE_DOWNLOAD_TAGS_NONE = 1,
GIT_REMOTE_DOWNLOAD_TAGS_ALL = 2
} git_remote_autotag_option_t;
/**
* Retrieve the tag auto-follow setting
*
* @param remote the remote to query
* @return the auto-follow setting
*/
GIT_EXTERN(git_remote_autotag_option_t) git_remote_autotag(const git_remote *remote);
/**
* Set the tag auto-follow setting
*
* @param remote the remote to configure
* @param value a GIT_REMOTE_DOWNLOAD_TAGS value
*/
GIT_EXTERN(void) git_remote_set_autotag(
git_remote *remote,
git_remote_autotag_option_t value);
/**
* Give the remote a new name
*
* All remote-tracking branches and configuration settings
* for the remote are updated.
*
* The new name will be checked for validity.
* See `git_tag_create()` for rules about valid names.
*
* A temporary in-memory remote cannot be given a name with this method.
*
* @param remote the remote to rename
* @param new_name the new name the remote should bear
* @param callback Optional callback to notify the consumer of fetch refspecs
* that haven't been automatically updated and need potential manual tweaking.
* @param payload Additional data to pass to the callback
* @return 0, GIT_EINVALIDSPEC, GIT_EEXISTS or an error code
*/
GIT_EXTERN(int) git_remote_rename(
git_remote *remote,
const char *new_name,
git_remote_rename_problem_cb callback,
void *payload);
/**
* Retrieve the update FETCH_HEAD setting.
*
* @param remote the remote to query
* @return the update FETCH_HEAD setting
*/
GIT_EXTERN(int) git_remote_update_fetchhead(git_remote *remote);
/**
* Sets the update FETCH_HEAD setting. By default, FETCH_HEAD will be
* updated on every fetch. Set to 0 to disable.
*
* @param remote the remote to configure
* @param value 0 to disable updating FETCH_HEAD
*/
GIT_EXTERN(void) git_remote_set_update_fetchhead(git_remote *remote, int value);
/**
* Ensure the remote name is well-formed.
*
* @param remote_name name to be checked.
* @return 1 if the reference name is acceptable; 0 if it isn't
*/
GIT_EXTERN(int) git_remote_is_valid_name(const char *remote_name);
/**
* Delete an existing persisted remote.
*
* All remote-tracking branches and configuration settings
* for the remote will be removed.
*
* once deleted, the passed remote object will be freed and invalidated.
*
* @param remote A valid remote
* @return 0 on success, or an error code.
*/
GIT_EXTERN(int) git_remote_delete(git_remote *remote);
/**
* Retrieve the name of the remote's default branch
*
* The default branch of a repository is the branch which HEAD points
* to. If the remote does not support reporting this information
* directly, it performs the guess as git does; that is, if there are
* multiple branches which point to the same commit, the first one is
* chosen. If the master branch is a candidate, it wins.
*
* This function must only be called after connecting.
*
* @param out the buffern in which to store the reference name
* @param remote the remote
* @return 0, GIT_ENOTFOUND if the remote does not have any references
* or none of them point to HEAD's commit, or an error message.
*/
GIT_EXTERN(int) git_remote_default_branch(git_buf *out, git_remote *remote);
/** @} */
GIT_END_DECL
#endif