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/*
* git2r, R bindings to the libgit2 library.
* Copyright (C) 2013-2024 The git2r contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2,
* as published by the Free Software Foundation.
*
* git2r is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <R_ext/Visibility.h>
#include <git2.h>
#include "git2r_arg.h"
#include "git2r_cred.h"
#include "git2r_error.h"
#include "git2r_proxy.h"
#include "git2r_push.h"
#include "git2r_repository.h"
#include "git2r_signature.h"
#include "git2r_transfer.h"
/**
* Check if any non NA refspec
*
* @param refspec The string vector of refspec to push
* @return 1 if nothing to push else 0
*/
static int
git2r_nothing_to_push(
SEXP refspec)
{
size_t i, n;
n = Rf_length(refspec);
if (0 == n)
return 1; /* Nothing to push */
for (i = 0; i < n; i++) {
if (NA_STRING != STRING_ELT(refspec, i))
return 0;
}
/* Nothing to push */
return 1;
}
/**
* Push
*
* @param repo S3 class git_repository
* @param name The remote to push to
* @param refspec The string vector of refspec to push
* @param credentials The credentials for remote repository access.
* @param proxy_val The proxy settings
* @return R_NilValue
*/
SEXP attribute_hidden
git2r_push(
SEXP repo,
SEXP name,
SEXP refspec,
SEXP credentials,
SEXP proxy_val)
{
int error;
git_remote *remote = NULL;
git_repository *repository = NULL;
git_strarray c_refspecs = {0};
git_push_options opts = GIT_PUSH_OPTIONS_INIT;
git2r_transfer_data payload = GIT2R_TRANSFER_DATA_INIT;
git_proxy_options proxy_opts = GIT_PROXY_OPTIONS_INIT;
if (git2r_arg_check_string(name))
git2r_error(__func__, NULL, "'name'", git2r_err_string_arg);
if (git2r_arg_check_string_vec(refspec))
git2r_error(__func__, NULL, "'refspec'", git2r_err_string_vec_arg);
if (git2r_arg_check_credentials(credentials))
git2r_error(__func__, NULL, "'credentials'", git2r_err_credentials_arg);
if (git2r_arg_check_proxy(proxy_val))
git2r_error(__func__, NULL, "'proxy_val'", git2r_err_proxy_arg);
if (git2r_nothing_to_push(refspec))
return R_NilValue;
repository = git2r_repository_open(repo);
if (!repository)
git2r_error(__func__, NULL, git2r_err_invalid_repository, NULL);
error = git_remote_lookup(&remote, repository, CHAR(STRING_ELT(name, 0)));
if (error)
goto cleanup;
/* Initialize proxy options */
error = git2r_set_proxy_options(&proxy_opts, proxy_val);
if (error)
git2r_error(
__func__,
git_error_last(),
git2r_err_unable_to_set_proxy_options,
NULL);
opts.proxy_opts = proxy_opts;
payload.credentials = credentials;
opts.callbacks.payload = &payload;
opts.callbacks.credentials = &git2r_cred_acquire_cb;
error = git2r_copy_string_vec(&c_refspecs, refspec);
if (error)
goto cleanup;
error = git_remote_push(remote, &c_refspecs, &opts);
cleanup:
free(c_refspecs.strings);
if (remote) {
if (git_remote_connected(remote))
git_remote_disconnect(remote);
git_remote_free(remote);
}
git_repository_free(repository);
if (error)
git2r_error(
__func__,
git_error_last(),
git2r_err_unable_to_authenticate, NULL);
return R_NilValue;
}
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