/**
* Fetch new data and update tips
*
* @param repo S4 class git_repository
* @param name The name of the remote to fetch from
* @param credentials The credentials for remote repository access.
* @param msg The one line long message to be appended to the reflog
* @return R_NilValue
*/
SEXP git2r_remote_fetch(
SEXP repo,
SEXP name,
SEXP credentials,
SEXP msg)
{
int err;
SEXP result = R_NilValue;
const git_transfer_progress *stats;
git_remote *remote = NULL;
git_repository *repository = NULL;
git_remote_callbacks callbacks = GIT_REMOTE_CALLBACKS_INIT;
if (git2r_arg_check_string(name))
git2r_error(git2r_err_string_arg, __func__, "name");
if (git2r_arg_check_credentials(credentials))
git2r_error(git2r_err_credentials_arg, __func__, "credentials");
if (git2r_arg_check_string(msg))
git2r_error(git2r_err_string_arg, __func__, "msg");
repository = git2r_repository_open(repo);
if (!repository)
git2r_error(git2r_err_invalid_repository, __func__, NULL);
err = git_remote_lookup(&remote, repository, CHAR(STRING_ELT(name, 0)));
if (GIT_OK != err)
goto cleanup;
callbacks.credentials = &git2r_cred_acquire_cb;
callbacks.payload = credentials;
err = git_remote_set_callbacks(remote, &callbacks);
if (GIT_OK != err)
goto cleanup;
err = git_remote_fetch(remote, NULL, CHAR(STRING_ELT(msg, 0)));
if (GIT_OK != err)
goto cleanup;
stats = git_remote_stats(remote);
PROTECT(result = NEW_OBJECT(MAKE_CLASS("git_transfer_progress")));
git2r_transfer_progress_init(stats, result);
cleanup:
if (remote) {
if (git_remote_connected(remote))
git_remote_disconnect(remote);
git_remote_free(remote);
}
if (repository)
git_repository_free(repository);
if (R_NilValue != result)
UNPROTECT(1);
if (GIT_OK != err)
git2r_error(git2r_err_from_libgit2, __func__, giterr_last()->message);
return result;
}
/**
* Fetch new data and update tips
*
* @param repo S4 class git_repository
* @param name The name of the remote to fetch from
* @param credentials The credentials for remote repository access.
* @param msg The one line long message to be appended to the reflog
* @param verbose Print information each time a reference is updated locally.
* @param refspecs The refspecs to use for this fetch. Pass R_NilValue
* to use the base refspecs.
* @return R_NilValue
*/
SEXP git2r_remote_fetch(
SEXP repo,
SEXP name,
SEXP credentials,
SEXP msg,
SEXP verbose,
SEXP refspecs)
{
int err;
SEXP result = R_NilValue;
const git_transfer_progress *stats;
git_remote *remote = NULL;
git_repository *repository = NULL;
git_fetch_options fetch_opts = GIT_FETCH_OPTIONS_INIT;
git2r_transfer_data payload = GIT2R_TRANSFER_DATA_INIT;
git_strarray refs = {0};
if (git2r_arg_check_string(name))
git2r_error(__func__, NULL, "'name'", git2r_err_string_arg);
if (git2r_arg_check_credentials(credentials))
git2r_error(__func__, NULL, "'credentials'", git2r_err_credentials_arg);
if (git2r_arg_check_string(msg))
git2r_error(__func__, NULL, "'msg'", git2r_err_string_arg);
if (git2r_arg_check_logical(verbose))
git2r_error(__func__, NULL, "'verbose'", git2r_err_logical_arg);
if (refspecs != R_NilValue && git2r_arg_check_string_vec(refspecs))
git2r_error(__func__, NULL, "'refspecs'", git2r_err_string_vec_arg);
repository = git2r_repository_open(repo);
if (!repository)
git2r_error(__func__, NULL, git2r_err_invalid_repository, NULL);
err = git_remote_lookup(&remote, repository, CHAR(STRING_ELT(name, 0)));
if (err)
goto cleanup;
if (refspecs != R_NilValue) {
size_t i, len;
/* Count number of non NA values */
len = length(refspecs);
for (i = 0; i < len; i++)
if (NA_STRING != STRING_ELT(refspecs, i))
refs.count++;
if (refs.count) {
/* Allocate the strings in refs */
refs.strings = malloc(refs.count * sizeof(char*));
if (!refs.strings) {
giterr_set_str(GITERR_NONE, git2r_err_alloc_memory_buffer);
err = GIT_ERROR;
goto cleanup;
}
/* Populate the strings in refs */
for (i = 0; i < refs.count; i++)
if (NA_STRING != STRING_ELT(refspecs, i))
refs.strings[i] = (char *)CHAR(STRING_ELT(refspecs, i));
}
}
if (LOGICAL(verbose)[0])
payload.verbose = 1;
payload.credentials = credentials;
fetch_opts.callbacks.payload = &payload;
fetch_opts.callbacks.credentials = &git2r_cred_acquire_cb;
fetch_opts.callbacks.update_tips = &git2r_update_tips_cb;
err = git_remote_fetch(remote, &refs, &fetch_opts, CHAR(STRING_ELT(msg, 0)));
if (err)
goto cleanup;
stats = git_remote_stats(remote);
PROTECT(result = NEW_OBJECT(MAKE_CLASS("git_transfer_progress")));
git2r_transfer_progress_init(stats, result);
cleanup:
if (refs.strings)
free(refs.strings);
if (remote) {
if (git_remote_connected(remote))
git_remote_disconnect(remote);
git_remote_free(remote);
}
if (repository)
git_repository_free(repository);
if (R_NilValue != result)
UNPROTECT(1);
if (err)
git2r_error(
__func__,
giterr_last(),
git2r_err_unable_to_authenticate,
NULL);
return result;
}
/**
* Fetch new data and update tips
*
* @param repo S4 class git_repository
* @param name The name of the remote to fetch from
* @param credentials The credentials for remote repository access.
* @param msg The one line long message to be appended to the reflog
* @return R_NilValue
*/
SEXP git2r_remote_fetch(
SEXP repo,
SEXP name,
SEXP credentials,
SEXP msg)
{
int err;
SEXP result = R_NilValue;
const git_transfer_progress *stats;
git_remote *remote = NULL;
git_repository *repository = NULL;
git_fetch_options fetch_opts = GIT_FETCH_OPTIONS_INIT;
git2r_transfer_data payload = GIT2R_TRANSFER_DATA_INIT;
if (git2r_arg_check_string(name))
git2r_error(__func__, NULL, "'name'", git2r_err_string_arg);
if (git2r_arg_check_credentials(credentials))
git2r_error(__func__, NULL, "'credentials'", git2r_err_credentials_arg);
if (git2r_arg_check_string(msg))
git2r_error(__func__, NULL, "'msg'", git2r_err_string_arg);
repository = git2r_repository_open(repo);
if (!repository)
git2r_error(__func__, NULL, git2r_err_invalid_repository, NULL);
err = git_remote_lookup(&remote, repository, CHAR(STRING_ELT(name, 0)));
if (err)
goto cleanup;
payload.credentials = credentials;
fetch_opts.callbacks.payload = &payload;
fetch_opts.callbacks.credentials = &git2r_cred_acquire_cb;
fetch_opts.callbacks.update_tips = &git2r_update_tips_cb;
err = git_remote_fetch(remote, NULL, &fetch_opts, CHAR(STRING_ELT(msg, 0)));
if (err)
goto cleanup;
stats = git_remote_stats(remote);
PROTECT(result = NEW_OBJECT(MAKE_CLASS("git_transfer_progress")));
git2r_transfer_progress_init(stats, result);
cleanup:
if (remote) {
if (git_remote_connected(remote))
git_remote_disconnect(remote);
git_remote_free(remote);
}
if (repository)
git_repository_free(repository);
if (R_NilValue != result)
UNPROTECT(1);
if (err)
git2r_error(
__func__,
giterr_last(),
git2r_err_unable_to_authenticate,
NULL);
return result;
}
