int sync_with_remote(git_repository *repo, const char *remote, const char *branch, enum remote_transport rt)
{
int error;
git_remote *origin;
char *proxy_string;
git_config *conf;
if (verbose)
fprintf(stderr, "sync with remote %s[%s]\n", remote, branch);
git_repository_config(&conf, repo);
if (rt == RT_HTTPS && getProxyString(&proxy_string)) {
git_config_set_string(conf, "http.proxy", proxy_string);
free(proxy_string);
} else {
git_config_set_string(conf, "http.proxy", "");
}
/*
* NOTE! Remote errors are reported, but are nonfatal:
* we still successfully return the local repository.
*/
error = git_remote_lookup(&origin, repo, "origin");
if (error) {
report_error("Repository '%s' origin lookup failed (%s)",
remote, giterr_last()->message);
return 0;
}
if (rt == RT_HTTPS && !canReachCloudServer()) {
// this is not an error, just a warning message, so return 0
report_error("Cannot connect to cloud server, working with local copy");
return 0;
}
#if USE_LIBGIT23_API
git_fetch_options opts = GIT_FETCH_OPTIONS_INIT;
opts.callbacks.transfer_progress = &transfer_progress_cb;
if (rt == RT_SSH)
opts.callbacks.credentials = credential_ssh_cb;
else if (rt == RT_HTTPS)
opts.callbacks.credentials = credential_https_cb;
opts.callbacks.certificate_check = certificate_check_cb;
error = git_remote_fetch(origin, NULL, &opts, NULL);
#else
error = git_remote_fetch(origin, NULL, NULL, NULL);
#endif
// NOTE! A fetch error is not fatal, we just report it
if (error) {
report_error("Unable to fetch remote '%s'", remote);
error = 0;
} else {
error = check_remote_status(repo, origin, branch, rt);
}
git_remote_free(origin);
return error;
}
int sync_with_remote(git_repository *repo, const char *remote, const char *branch, enum remote_transport rt)
{
int error;
git_remote *origin;
char *proxy_string;
git_config *conf;
if (git_local_only) {
if (verbose)
fprintf(stderr, "don't sync with remote - read from cache only\n");
return 0;
}
if (verbose)
fprintf(stderr, "sync with remote %s[%s]\n", remote, branch);
git_storage_update_progress(translate("gettextFromC", "Sync with cloud storage"));
git_repository_config(&conf, repo);
if (rt == RT_HTTPS && getProxyString(&proxy_string)) {
if (verbose)
fprintf(stderr, "set proxy to \"%s\"\n", proxy_string);
git_config_set_string(conf, "http.proxy", proxy_string);
free(proxy_string);
} else {
if (verbose)
fprintf(stderr, "delete proxy setting\n");
git_config_delete_entry(conf, "http.proxy");
}
/*
* NOTE! Remote errors are reported, but are nonfatal:
* we still successfully return the local repository.
*/
error = git_remote_lookup(&origin, repo, "origin");
if (error) {
if (!is_subsurface_cloud)
report_error("Repository '%s' origin lookup failed (%s)", remote, giterr_last()->message);
return 0;
}
if (is_subsurface_cloud && !canReachCloudServer()) {
// this is not an error, just a warning message, so return 0
report_error("Cannot connect to cloud server, working with local copy");
git_storage_update_progress(translate("gettextFromC", "Can't reach cloud server, working with local data"));
return 0;
}
if (verbose)
fprintf(stderr, "git storage: fetch remote\n");
git_fetch_options opts = GIT_FETCH_OPTIONS_INIT;
opts.callbacks.transfer_progress = &transfer_progress_cb;
auth_attempt = 0;
if (rt == RT_SSH)
opts.callbacks.credentials = credential_ssh_cb;
else if (rt == RT_HTTPS)
opts.callbacks.credentials = credential_https_cb;
opts.callbacks.certificate_check = certificate_check_cb;
git_storage_update_progress(translate("gettextFromC", "Successful cloud connection, fetch remote"));
error = git_remote_fetch(origin, NULL, &opts, NULL);
// NOTE! A fetch error is not fatal, we just report it
if (error) {
if (is_subsurface_cloud)
report_error("Cannot sync with cloud server, working with offline copy");
else
report_error("Unable to fetch remote '%s'", remote);
if (verbose)
// If we returned GIT_EUSER during authentication, giterr_last() returns NULL
fprintf(stderr, "remote fetch failed (%s)\n",
giterr_last() ? giterr_last()->message : "authentication failed");
// Since we failed to sync with online repository, enter offline mode
git_local_only = true;
error = 0;
} else {
error = check_remote_status(repo, origin, remote, branch, rt);
}
git_remote_free(origin);
git_storage_update_progress(translate("gettextFromC", "Done syncing with cloud storage"));
return error;
}
