mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-24 18:43:37 +00:00
f09a9fe2e6
FileName::tempName() created a new temp file name by using qt to create a temporary file with a unique name, and then deleting that file and returning the name. This was unsafe, since other processes or even other threads of the running LyX could create files with the same name between deletion and then using the temp name. This is fixed by using the TempFile class instead. As a side effect, a few cases where the temp files were not deleted after usage were fixed as well. The only place that is still unsafe is createTmpDir().
452 lines
9.5 KiB
C++
452 lines
9.5 KiB
C++
/**
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* \file LyXVC.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Lars Gullik Bjønnes
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* \author Jean-Marc Lasgouttes
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* \author Angus Leeming
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* \author John Levon
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* \author André Pönitz
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* \author Allan Rae
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "LyXVC.h"
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#include "VCBackend.h"
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#include "Buffer.h"
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#include "frontends/alert.h"
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#include "support/debug.h"
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#include "support/filetools.h"
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#include "support/gettext.h"
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#include "support/lstrings.h"
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#include "support/TempFile.h"
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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namespace Alert = frontend::Alert;
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LyXVC::LyXVC()
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{
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owner_ = 0;
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}
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// for the sake of boost::scoped_ptr
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LyXVC::~LyXVC()
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{}
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bool LyXVC::fileInVC(FileName const & fn)
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{
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if (!RCS::findFile(fn).empty())
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return true;
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if (!CVS::findFile(fn).empty())
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return true;
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if (!SVN::findFile(fn).empty())
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return true;
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if (!GIT::findFile(fn).empty())
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return true;
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return false;
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}
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bool LyXVC::file_found_hook(FileName const & fn)
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{
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FileName found_file;
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// Check if file is under RCS
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if (!(found_file = RCS::findFile(fn)).empty()) {
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vcs.reset(new RCS(found_file, owner_));
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return true;
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}
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// Check if file is under CVS
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if (!(found_file = CVS::findFile(fn)).empty()) {
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vcs.reset(new CVS(found_file, owner_));
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return true;
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}
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// Check if file is under SVN
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if (!(found_file = SVN::findFile(fn)).empty()) {
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vcs.reset(new SVN(found_file, owner_));
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return true;
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}
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// Check if file is under GIT
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if (!(found_file = GIT::findFile(fn)).empty()) {
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vcs.reset(new GIT(found_file, owner_));
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return true;
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}
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// file is not under any VCS.
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vcs.reset(0);
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return false;
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}
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bool LyXVC::file_not_found_hook(FileName const & fn)
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{
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// Check if file is under RCS.
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// This happens if we are trying to load non existent
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// file on disk, but existent in ,v version.
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bool foundRCS = !RCS::findFile(fn).empty();
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bool foundCVS = foundRCS ? false : !CVS::findFile(fn).empty();
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bool foundSVN = (foundRCS || foundCVS) ? false : !SVN::findFile(fn).empty();
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bool foundGIT = (foundRCS || foundCVS || foundSVN) ? false : !GIT::findFile(fn).empty();
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if (foundRCS || foundCVS || foundSVN || foundGIT) {
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docstring const file = makeDisplayPath(fn.absFileName(), 20);
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docstring const text =
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bformat(_("Do you want to retrieve the document"
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" %1$s from version control?"), file);
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int const ret = Alert::prompt(_("Retrieve from version control?"),
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text, 0, 1, _("&Retrieve"), _("&Cancel"));
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if (ret == 0) {
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// Since the retrieve commands are implemented using
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// more general update commands we need to ensure that
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// we do not change an existing file by accident.
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if (fn.exists())
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return false;
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if (foundRCS)
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return RCS::retrieve(fn);
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else if (foundCVS)
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return CVS::retrieve(fn);
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else if (foundSVN)
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return SVN::retrieve(fn);
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else
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return GIT::retrieve(fn);
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}
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}
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return false;
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}
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void LyXVC::setBuffer(Buffer * buf)
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{
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owner_ = buf;
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}
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bool LyXVC::registrer()
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{
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FileName const filename = owner_->fileName();
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// there must be a file to save
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if (!filename.isReadableFile()) {
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Alert::error(_("Document not saved"),
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_("You must save the document "
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"before it can be registered."));
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return false;
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}
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// it is very likely here that the vcs is not created yet...
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if (!vcs) {
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//check in the root directory of the document
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FileName const cvs_entries(onlyPath(filename.absFileName()) + "/CVS/Entries");
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FileName const svn_entries(onlyPath(filename.absFileName()) + "/.svn/entries");
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FileName const git_index(onlyPath(filename.absFileName()) + "/.git/index");
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if (git_index.isReadableFile()) {
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LYXERR(Debug::LYXVC, "LyXVC: registering "
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<< to_utf8(filename.displayName()) << " with GIT");
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vcs.reset(new GIT(git_index, owner_));
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} else if (svn_entries.isReadableFile()) {
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LYXERR(Debug::LYXVC, "LyXVC: registering "
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<< to_utf8(filename.displayName()) << " with SVN");
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vcs.reset(new SVN(svn_entries, owner_));
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} else if (cvs_entries.isReadableFile()) {
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LYXERR(Debug::LYXVC, "LyXVC: registering "
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<< to_utf8(filename.displayName()) << " with CVS");
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vcs.reset(new CVS(cvs_entries, owner_));
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} else {
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LYXERR(Debug::LYXVC, "LyXVC: registering "
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<< to_utf8(filename.displayName()) << " with RCS");
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vcs.reset(new RCS(FileName(), owner_));
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}
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}
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LYXERR(Debug::LYXVC, "LyXVC: registrer");
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docstring response;
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bool ok = Alert::askForText(response, _("LyX VC: Initial description"),
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_("(no initial description)"));
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if (!ok) {
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LYXERR(Debug::LYXVC, "LyXVC: user cancelled");
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vcs.reset(0);
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return false;
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}
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if (response.empty())
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response = _("(no initial description)");
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vcs->registrer(to_utf8(response));
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return true;
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}
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string LyXVC::rename(FileName const & fn)
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{
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LYXERR(Debug::LYXVC, "LyXVC: rename");
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if (!vcs || fileInVC(fn))
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return string();
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docstring response;
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bool ok = Alert::askForText(response, _("LyX VC: Log message"),
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_("(no log message)"));
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if (!ok) {
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LYXERR(Debug::LYXVC, "LyXVC: user cancelled");
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return string();
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}
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if (response.empty())
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response = _("(no log message)");
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string ret = vcs->rename(fn, to_utf8(response));
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return ret;
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}
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string LyXVC::copy(FileName const & fn)
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{
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LYXERR(Debug::LYXVC, "LyXVC: copy");
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if (!vcs || fileInVC(fn))
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return string();
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docstring response;
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bool ok = Alert::askForText(response, _("LyX VC: Log message"),
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_("(no log message)"));
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if (!ok) {
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LYXERR(Debug::LYXVC, "LyXVC: user cancelled");
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return string();
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}
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if (response.empty())
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response = _("(no log message)");
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string ret = vcs->copy(fn, to_utf8(response));
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return ret;
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}
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LyXVC::CommandResult LyXVC::checkIn(string & log)
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{
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LYXERR(Debug::LYXVC, "LyXVC: checkIn");
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if (!vcs)
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return ErrorBefore;
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docstring empty(_("(no log message)"));
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docstring response;
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bool ok = true;
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if (vcs->isCheckInWithConfirmation())
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ok = Alert::askForText(response, _("LyX VC: Log Message"));
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if (ok) {
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if (response.empty())
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response = empty;
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//shell collisions
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response = subst(response, from_ascii("\""), from_ascii("\\\""));
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return vcs->checkIn(to_utf8(response), log);
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} else {
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LYXERR(Debug::LYXVC, "LyXVC: user cancelled");
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return Cancelled;
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}
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}
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string LyXVC::checkOut()
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{
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if (!vcs)
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return string();
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//RCS allows checkOut only in ReadOnly mode
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if (vcs->toggleReadOnlyEnabled() && !owner_->isReadonly())
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return string();
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LYXERR(Debug::LYXVC, "LyXVC: checkOut");
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return vcs->checkOut();
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}
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string LyXVC::repoUpdate()
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{
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LYXERR(Debug::LYXVC, "LyXVC: repoUpdate");
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if (!vcs)
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return string();
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return vcs->repoUpdate();
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}
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string LyXVC::lockingToggle()
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{
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LYXERR(Debug::LYXVC, "LyXVC: toggle locking property");
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if (!vcs)
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return string();
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return vcs->lockingToggle();
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}
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bool LyXVC::revert()
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{
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LYXERR(Debug::LYXVC, "LyXVC: revert");
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if (!vcs)
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return false;
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docstring const file = owner_->fileName().displayName(20);
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docstring text = bformat(_("Reverting to the stored version of the "
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"document %1$s will lose all current changes.\n\n"
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"Do you want to revert to the older version?"), file);
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int ret = 0;
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if (vcs->isRevertWithConfirmation())
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ret = Alert::prompt(_("Revert to stored version of document?"),
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text, 0, 1, _("&Revert"), _("&Cancel"));
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return ret == 0 && vcs->revert();
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}
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void LyXVC::undoLast()
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{
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if (!vcs)
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return;
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vcs->undoLast();
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}
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string LyXVC::toggleReadOnly()
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{
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if (!vcs)
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return string();
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if (!vcs->toggleReadOnlyEnabled())
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return string();
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switch (vcs->status()) {
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case VCS::UNLOCKED:
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LYXERR(Debug::LYXVC, "LyXVC: toggle to locked");
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return checkOut();
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case VCS::LOCKED: {
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LYXERR(Debug::LYXVC, "LyXVC: toggle to unlocked");
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string log;
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if (checkIn(log) != VCSuccess)
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return string();
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return log;
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}
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case VCS::NOLOCKING:
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break;
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}
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return string();
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}
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bool LyXVC::inUse() const
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{
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if (vcs)
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return true;
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return false;
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}
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string const LyXVC::versionString() const
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{
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if (!vcs)
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return string();
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return vcs->versionString();
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}
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bool LyXVC::locking() const
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{
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if (!vcs)
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return false;
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return vcs->status() != VCS::NOLOCKING;
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}
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string const LyXVC::getLogFile() const
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{
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if (!vcs)
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return string();
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TempFile tempfile("lyxvclog");
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tempfile.setAutoRemove(false);
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FileName const tmpf = tempfile.name();
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if (tmpf.empty()) {
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LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
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return string();
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}
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LYXERR(Debug::LYXVC, "Generating logfile " << tmpf);
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vcs->getLog(tmpf);
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return tmpf.absFileName();
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}
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string LyXVC::revisionInfo(RevisionInfo const info) const
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{
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if (!vcs)
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return string();
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return vcs->revisionInfo(info);
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}
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bool LyXVC::renameEnabled() const
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{
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if (!inUse())
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return false;
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return vcs->renameEnabled();
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}
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bool LyXVC::copyEnabled() const
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{
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if (!inUse())
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return false;
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return vcs->copyEnabled();
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}
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bool LyXVC::checkOutEnabled() const
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{
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return vcs && vcs->checkOutEnabled();
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}
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bool LyXVC::checkInEnabled() const
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{
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return vcs && vcs->checkInEnabled();
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}
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bool LyXVC::isCheckInWithConfirmation() const
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{
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return vcs && vcs->isCheckInWithConfirmation();
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}
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bool LyXVC::lockingToggleEnabled() const
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{
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return vcs && vcs->lockingToggleEnabled();
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}
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bool LyXVC::undoLastEnabled() const
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{
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return vcs && vcs->undoLastEnabled();
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}
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bool LyXVC::repoUpdateEnabled() const
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{
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return vcs && vcs->repoUpdateEnabled();
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}
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bool LyXVC::prepareFileRevision(string const & rev, std::string & f)
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{
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return vcs && vcs->prepareFileRevision(rev, f);
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}
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bool LyXVC::prepareFileRevisionEnabled()
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{
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return vcs && vcs->prepareFileRevisionEnabled();
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}
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} // namespace lyx
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