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lyx_mirror/src/VCBackend.cpp
Jean-Marc Lasgouttes ca217fbfaa Check regex_match result when parsing cvslog 
Spotted by coverity.
2019-07-13 00:10:32 +02:00

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/**
* \file VCBackend.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
* \author Pavel Sanda
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "VCBackend.h"
#include "Buffer.h"
#include "DispatchResult.h"
#include "LyX.h"
#include "FuncRequest.h"
#include "frontends/alert.h"
#include "frontends/Application.h"
#include "support/convert.h"
#include "support/debug.h"
#include "support/filetools.h"
#include "support/gettext.h"
#include "support/lstrings.h"
#include "support/PathChanger.h"
#include "support/Systemcall.h"
#include "support/regex.h"
#include "support/TempFile.h"
#include <fstream>
#include <iomanip>
#include <sstream>
using namespace std;
using namespace lyx::support;
namespace lyx {
int VCS::doVCCommandCall(string const & cmd, FileName const & path)
{
LYXERR(Debug::LYXVC, "doVCCommandCall: " << cmd);
Systemcall one;
support::PathChanger p(path);
return one.startscript(Systemcall::Wait, cmd, string(), string(), false);
}
int VCS::doVCCommand(string const & cmd, FileName const & path, bool reportError)
{
if (owner_)
owner_->setBusy(true);
int const ret = doVCCommandCall(cmd, path);
if (owner_)
owner_->setBusy(false);
if (ret && reportError)
frontend::Alert::error(_("Revision control error."),
bformat(_("Some problem occurred while running the command:\n"
"'%1$s'."),
from_utf8(cmd)));
return ret;
}
bool VCS::makeRCSRevision(string const &version, string &revis) const
{
string rev = revis;
if (isStrInt(rev)) {
int back = convert<int>(rev);
// if positive use as the last number in the whole revision string
if (back > 0) {
string base;
rsplit(version, base , '.');
rev = base + '.' + rev;
}
if (back == 0)
rev = version;
// we care about the last number from revision string
// in case of backward indexing
if (back < 0) {
string cur, base;
cur = rsplit(version, base , '.');
if (!isStrInt(cur))
return false;
int want = convert<int>(cur) + back;
if (want <= 0)
return false;
rev = base + '.' + convert<string>(want);
}
}
revis = rev;
return true;
}
bool VCS::checkparentdirs(FileName const & file, std::string const & vcsdir)
{
FileName dirname = file.onlyPath();
do {
FileName tocheck = FileName(addName(dirname.absFileName(), vcsdir));
LYXERR(Debug::LYXVC, "check file: " << tocheck.absFileName());
if (tocheck.exists())
return true;
//this construct because of #8295
dirname = FileName(dirname.absFileName()).parentPath();
} while (!dirname.empty());
return false;
}
/////////////////////////////////////////////////////////////////////
//
// RCS
//
/////////////////////////////////////////////////////////////////////
RCS::RCS(FileName const & m, Buffer * b) : VCS(b)
{
// Here we know that the buffer file is either already in RCS or
// about to be registered
master_ = m;
scanMaster();
}
FileName const RCS::findFile(FileName const & file)
{
// Check if *,v exists.
FileName tmp(file.absFileName() + ",v");
LYXERR(Debug::LYXVC, "LyXVC: Checking if file is under rcs: " << tmp);
if (tmp.isReadableFile()) {
LYXERR(Debug::LYXVC, "Yes, " << file << " is under rcs.");
return tmp;
}
// Check if RCS/*,v exists.
tmp = FileName(addName(addPath(onlyPath(file.absFileName()), "RCS"), file.absFileName()) + ",v");
LYXERR(Debug::LYXVC, "LyXVC: Checking if file is under rcs: " << tmp);
if (tmp.isReadableFile()) {
LYXERR(Debug::LYXVC, "Yes, " << file << " is under rcs.");
return tmp;
}
return FileName();
}
bool RCS::retrieve(FileName const & file)
{
LYXERR(Debug::LYXVC, "LyXVC::RCS: retrieve.\n\t" << file);
// The caller ensures that file does not exist, so no need to check that.
return doVCCommandCall("co -q -r " + quoteName(file.toFilesystemEncoding()),
FileName()) == 0;
}
void RCS::scanMaster()
{
if (master_.empty())
return;
LYXERR(Debug::LYXVC, "LyXVC::RCS: scanMaster: " << master_);
ifstream ifs(master_.toFilesystemEncoding().c_str());
// limit the size of strings we read to avoid memory problems
ifs >> setw(65636);
string token;
bool read_enough = false;
while (!read_enough && ifs >> token) {
LYXERR(Debug::LYXVC, "LyXVC::scanMaster: current lex text: `"
<< token << '\'');
if (token.empty())
continue;
else if (token == "head") {
// get version here
string tmv;
ifs >> tmv;
tmv = rtrim(tmv, ";");
version_ = tmv;
LYXERR(Debug::LYXVC, "LyXVC: version found to be " << tmv);
} else if (contains(token, "access")
|| contains(token, "symbols")
|| contains(token, "strict")) {
// nothing
} else if (contains(token, "locks")) {
// get locker here
if (contains(token, ';')) {
locker_ = "Unlocked";
vcstatus = UNLOCKED;
continue;
}
string tmpt;
string s1;
string s2;
do {
ifs >> tmpt;
s1 = rtrim(tmpt, ";");
// tmp is now in the format <user>:<version>
s1 = split(s1, s2, ':');
// s2 is user, and s1 is version
if (s1 == version_) {
locker_ = s2;
vcstatus = LOCKED;
break;
}
} while (!contains(tmpt, ';'));
} else if (token == "comment") {
// we don't need to read any further than this.
read_enough = true;
} else {
// unexpected
LYXERR(Debug::LYXVC, "LyXVC::scanMaster(): unexpected token");
}
}
}
void RCS::registrer(string const & msg)
{
string cmd = "ci -q -u -i -t-\"";
cmd += msg;
cmd += "\" ";
cmd += quoteName(onlyFileName(owner_->absFileName()));
doVCCommand(cmd, FileName(owner_->filePath()));
}
bool RCS::renameEnabled()
{
return false;
}
string RCS::rename(support::FileName const & /*newFile*/, string const & /*msg*/)
{
// not implemented, since a left-over file.lyx,v would be confusing.
return string();
}
bool RCS::copyEnabled()
{
return true;
}
string RCS::copy(support::FileName const & newFile, string const & msg)
{
// RCS has no real copy command, so we create a poor mans version
support::FileName const oldFile(owner_->absFileName());
if (!oldFile.copyTo(newFile))
return string();
FileName path(oldFile.onlyPath());
string relFile(to_utf8(newFile.relPath(path.absFileName())));
string cmd = "ci -q -u -i -t-\"";
cmd += msg;
cmd += "\" ";
cmd += quoteName(relFile);
return doVCCommand(cmd, path) ? string() : "RCS: Proceeded";
}
LyXVC::CommandResult RCS::checkIn(string const & msg, string & log)
{
int ret = doVCCommand("ci -q -u -m\"" + msg + "\" "
+ quoteName(onlyFileName(owner_->absFileName())),
FileName(owner_->filePath()));
if (ret)
return LyXVC::ErrorCommand;
log = "RCS: Proceeded";
return LyXVC::VCSuccess;
}
bool RCS::checkInEnabled()
{
return owner_ && !owner_->hasReadonlyFlag();
}
bool RCS::isCheckInWithConfirmation()
{
// FIXME one day common getDiff for all backends
// docstring diff;
// if (getDiff(file, diff) && diff.empty())
// return false;
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return true;
}
doVCCommandCall("rcsdiff " + quoteName(owner_->absFileName())
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
docstring diff = tmpf.fileContents("UTF-8");
if (diff.empty())
return false;
return true;
}
string RCS::checkOut()
{
owner_->markClean();
int ret = doVCCommand("co -q -l " + quoteName(onlyFileName(owner_->absFileName())),
FileName(owner_->filePath()));
return ret ? string() : "RCS: Proceeded";
}
bool RCS::checkOutEnabled()
{
return owner_ && owner_->hasReadonlyFlag();
}
string RCS::repoUpdate()
{
lyxerr << "Sorry, not implemented." << endl;
return string();
}
bool RCS::repoUpdateEnabled()
{
return false;
}
string RCS::lockingToggle()
{
//FIXME this might be actually possible, study rcs -U, rcs -L.
//State should be easy to get inside scanMaster.
//It would fix #4370 and make rcs/svn usage even more closer.
lyxerr << "Sorry, not implemented." << endl;
return string();
}
bool RCS::lockingToggleEnabled()
{
return false;
}
bool RCS::revert()
{
if (doVCCommand("co -f -u" + version_ + ' '
+ quoteName(onlyFileName(owner_->absFileName())),
FileName(owner_->filePath())))
return false;
// We ignore changes and just reload!
owner_->markClean();
return true;
}
bool RCS::isRevertWithConfirmation()
{
//FIXME owner && diff ?
return true;
}
void RCS::undoLast()
{
LYXERR(Debug::LYXVC, "LyXVC: undoLast");
doVCCommand("rcs -o" + version_ + ' '
+ quoteName(onlyFileName(owner_->absFileName())),
FileName(owner_->filePath()));
}
bool RCS::undoLastEnabled()
{
return owner_->hasReadonlyFlag();
}
void RCS::getLog(FileName const & tmpf)
{
doVCCommand("rlog " + quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
}
bool RCS::toggleReadOnlyEnabled()
{
// This got broken somewhere along lfuns dispatch reorganization.
// reloadBuffer would be needed after this, but thats problematic
// since we are inside Buffer::dispatch.
// return true;
return false;
}
string RCS::revisionInfo(LyXVC::RevisionInfo const info)
{
if (info == LyXVC::File)
return version_;
// fill the rest of the attributes for a single file
if (rev_date_cache_.empty())
if (!getRevisionInfo())
return string();
switch (info) {
case LyXVC::Author:
return rev_author_cache_;
case LyXVC::Date:
return rev_date_cache_;
case LyXVC::Time:
return rev_time_cache_;
default:
break;
}
return string();
}
bool RCS::getRevisionInfo()
{
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return false;
}
doVCCommand("rlog -r " + quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
if (tmpf.empty())
return false;
ifstream ifs(tmpf.toFilesystemEncoding().c_str());
string line;
// we reached to the entry, i.e. after initial log message
bool entry=false;
// line with critical info, e.g:
//"date: 2011/07/02 11:02:54; author: sanda; state: Exp; lines: +17 -2"
string result;
while (ifs) {
getline(ifs, line);
LYXERR(Debug::LYXVC, line);
if (entry && prefixIs(line, "date:")) {
result = line;
break;
}
if (prefixIs(line, "revision"))
entry = true;
}
if (result.empty())
return false;
rev_date_cache_ = token(result, ' ', 1);
rev_time_cache_ = rtrim(token(result, ' ', 2), ";");
rev_author_cache_ = trim(token(token(result, ';', 1), ':', 1));
return !rev_author_cache_.empty();
}
bool RCS::prepareFileRevision(string const &revis, string & f)
{
string rev = revis;
if (!VCS::makeRCSRevision(version_, rev))
return false;
TempFile tempfile("lyxvcrev_" + rev + '_');
tempfile.setAutoRemove(false);
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return false;
}
doVCCommand("co -p" + rev + ' '
+ quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
tmpf.refresh();
if (tmpf.isFileEmpty())
return false;
f = tmpf.absFileName();
return true;
}
bool RCS::prepareFileRevisionEnabled()
{
return true;
}
/////////////////////////////////////////////////////////////////////
//
// CVS
//
/////////////////////////////////////////////////////////////////////
CVS::CVS(FileName const & m, Buffer * b) : VCS(b)
{
// Here we know that the buffer file is either already in CVS or
// about to be registered
master_ = m;
have_rev_info_ = false;
scanMaster();
}
FileName const CVS::findFile(FileName const & file)
{
// First we look for the CVS/Entries in the same dir
// where we have file.
FileName const entries(onlyPath(file.absFileName()) + "/CVS/Entries");
string const tmpf = '/' + onlyFileName(file.absFileName()) + '/';
LYXERR(Debug::LYXVC, "LyXVC: Checking if file is under cvs in `" << entries
<< "' for `" << tmpf << '\'');
if (entries.isReadableFile()) {
// Ok we are at least in a CVS dir. Parse the CVS/Entries
// and see if we can find this file. We do a fast and
// dirty parse here.
ifstream ifs(entries.toFilesystemEncoding().c_str());
string line;
while (getline(ifs, line)) {
LYXERR(Debug::LYXVC, "\tEntries: " << line);
if (contains(line, tmpf))
return entries;
}
}
return FileName();
}
void CVS::scanMaster()
{
LYXERR(Debug::LYXVC, "LyXVC::CVS: scanMaster. \n Checking: " << master_);
// Ok now we do the real scan...
ifstream ifs(master_.toFilesystemEncoding().c_str());
string name = onlyFileName(owner_->absFileName());
string tmpf = '/' + name + '/';
LYXERR(Debug::LYXVC, "\tlooking for `" << tmpf << '\'');
string line;
static regex const reg("/(.*)/(.*)/(.*)/(.*)/(.*)");
while (getline(ifs, line)) {
LYXERR(Debug::LYXVC, "\t line: " << line);
if (contains(line, tmpf)) {
// Ok extract the fields.
smatch sm;
if (!regex_match(line, sm, reg)) {
LYXERR(Debug::LYXVC, "\t Cannot parse line. Skipping.");
continue;
}
//sm[0]; // whole matched string
//sm[1]; // filename
version_ = sm.str(2);
string const file_date = sm.str(3);
//sm[4]; // options
//sm[5]; // tag or tagdate
FileName file(owner_->absFileName());
if (file.isReadableFile()) {
time_t mod = file.lastModified();
string mod_date = rtrim(asctime(gmtime(&mod)), "\n");
LYXERR(Debug::LYXVC, "Date in Entries: `" << file_date
<< "'\nModification date of file: `" << mod_date << '\'');
if (file.isReadOnly()) {
// readonly checkout is unlocked
vcstatus = UNLOCKED;
} else {
FileName bdir(addPath(master_.onlyPath().absFileName(),"Base"));
FileName base(addName(bdir.absFileName(),name));
// if base version is existent "cvs edit" was used to lock
vcstatus = base.isReadableFile() ? LOCKED : NOLOCKING;
}
} else {
vcstatus = NOLOCKING;
}
break;
}
}
}
bool CVS::retrieve(FileName const & file)
{
LYXERR(Debug::LYXVC, "LyXVC::CVS: retrieve.\n\t" << file);
// The caller ensures that file does not exist, so no need to check that.
return doVCCommandCall("cvs -q update " + quoteName(file.toFilesystemEncoding()),
file.onlyPath()) == 0;
}
string const CVS::getTarget(OperationMode opmode) const
{
switch(opmode) {
case Directory:
// in client server mode CVS does not like full path operand for directory operation
// since LyX switches to the repo dir "." is good enough as target
return ".";
case File:
return quoteName(onlyFileName(owner_->absFileName()));
}
return string();
}
docstring CVS::toString(CvsStatus status) const
{
switch (status) {
case UpToDate:
return _("Up-to-date");
case LocallyModified:
return _("Locally Modified");
case LocallyAdded:
return _("Locally Added");
case NeedsMerge:
return _("Needs Merge");
case NeedsCheckout:
return _("Needs Checkout");
case NoCvsFile:
return _("No CVS file");
case StatusError:
return _("Cannot retrieve CVS status");
}
return docstring();
}
int CVS::doVCCommandWithOutput(string const & cmd, FileName const & path,
FileName const & output, bool reportError)
{
string redirection = output.empty() ? "" : " > " + quoteName(output.toFilesystemEncoding());
return doVCCommand(cmd + redirection, path, reportError);
}
int CVS::doVCCommandCallWithOutput(std::string const & cmd,
support::FileName const & path,
support::FileName const & output)
{
string redirection = output.empty() ? "" : " > " + quoteName(output.toFilesystemEncoding());
return doVCCommandCall(cmd + redirection, path);
}
CVS::CvsStatus CVS::getStatus()
{
TempFile tempfile("lyxvout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return StatusError;
}
if (doVCCommandCallWithOutput("cvs status " + getTarget(File),
FileName(owner_->filePath()), tmpf)) {
return StatusError;
}
ifstream ifs(tmpf.toFilesystemEncoding().c_str());
CvsStatus status = NoCvsFile;
while (ifs) {
string line;
getline(ifs, line);
LYXERR(Debug::LYXVC, line << '\n');
if (prefixIs(line, "File:")) {
if (contains(line, "Up-to-date"))
status = UpToDate;
else if (contains(line, "Locally Modified"))
status = LocallyModified;
else if (contains(line, "Locally Added"))
status = LocallyAdded;
else if (contains(line, "Needs Merge"))
status = NeedsMerge;
else if (contains(line, "Needs Checkout"))
status = NeedsCheckout;
}
}
return status;
}
void CVS::getRevisionInfo()
{
if (have_rev_info_)
return;
have_rev_info_ = true;
TempFile tempfile("lyxvout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return;
}
int rc = doVCCommandCallWithOutput("cvs log -r" + version_
+ ' ' + getTarget(File),
FileName(owner_->filePath()), tmpf);
if (rc) {
LYXERR(Debug::LYXVC, "cvs log failed with exit code " << rc);
return;
}
ifstream ifs(tmpf.toFilesystemEncoding().c_str());
static regex const reg("date: (.*) (.*) (.*); author: (.*); state: (.*);(.*)");
while (ifs) {
string line;
getline(ifs, line);
LYXERR(Debug::LYXVC, line << '\n');
if (prefixIs(line, "date:")) {
smatch sm;
if (regex_match(line, sm, reg)) {
//sm[0]; // whole matched string
rev_date_cache_ = sm[1];
rev_time_cache_ = sm[2];
//sm[3]; // GMT offset
rev_author_cache_ = sm[4];
} else
LYXERR(Debug::LYXVC, "\tCannot parse line. Skipping.");
break;
}
}
if (rev_author_cache_.empty())
LYXERR(Debug::LYXVC,
"Could not retrieve revision info for " << version_ <<
" of " << getTarget(File));
}
void CVS::registrer(string const & msg)
{
doVCCommand("cvs -q add -m \"" + msg + "\" "
+ getTarget(File),
FileName(owner_->filePath()));
}
bool CVS::renameEnabled()
{
return true;
}
string CVS::rename(support::FileName const & newFile, string const & msg)
{
// CVS has no real rename command, so we create a poor mans version
support::FileName const oldFile(owner_->absFileName());
string ret = copy(newFile, msg);
if (ret.empty())
return ret;
string cmd = "cvs -q remove -m \"" + msg + "\" " +
quoteName(oldFile.onlyFileName());
FileName path(oldFile.onlyPath());
return doVCCommand(cmd, path) ? string() : ret;
}
bool CVS::copyEnabled()
{
return true;
}
string CVS::copy(support::FileName const & newFile, string const & msg)
{
// CVS has no real copy command, so we create a poor mans version
support::FileName const oldFile(owner_->absFileName());
if (!oldFile.copyTo(newFile))
return string();
FileName path(oldFile.onlyPath());
string relFile(to_utf8(newFile.relPath(path.absFileName())));
string cmd("cvs -q add -m \"" + msg + "\" " + quoteName(relFile));
return doVCCommand(cmd, path) ? string() : "CVS: Proceeded";
}
void CVS::getDiff(OperationMode opmode, FileName const & tmpf)
{
doVCCommandWithOutput("cvs diff " + getTarget(opmode),
FileName(owner_->filePath()), tmpf, false);
}
int CVS::edit()
{
vcstatus = LOCKED;
return doVCCommand("cvs -q edit " + getTarget(File),
FileName(owner_->filePath()));
}
int CVS::unedit()
{
vcstatus = UNLOCKED;
return doVCCommand("cvs -q unedit " + getTarget(File),
FileName(owner_->filePath()));
}
int CVS::update(OperationMode opmode, FileName const & tmpf)
{
return doVCCommandWithOutput("cvs -q update "
+ getTarget(opmode),
FileName(owner_->filePath()), tmpf, false);
}
string CVS::scanLogFile(FileName const & f, string & status)
{
ifstream ifs(f.toFilesystemEncoding().c_str());
while (ifs) {
string line;
getline(ifs, line);
LYXERR(Debug::LYXVC, line << '\n');
if (!line.empty())
status += line + "; ";
if (prefixIs(line, "C ")) {
ifs.close();
return line;
}
}
ifs.close();
return string();
}
LyXVC::CommandResult CVS::checkIn(string const & msg, string & log)
{
CvsStatus status = getStatus();
switch (status) {
case UpToDate:
if (vcstatus != NOLOCKING)
if (unedit())
return LyXVC::ErrorCommand;
log = "CVS: Proceeded";
return LyXVC::VCSuccess;
case LocallyModified:
case LocallyAdded: {
int rc = doVCCommand("cvs -q commit -m \"" + msg + "\" "
+ getTarget(File),
FileName(owner_->filePath()));
if (rc)
return LyXVC::ErrorCommand;
log = "CVS: Proceeded";
return LyXVC::VCSuccess;
}
case NeedsMerge:
case NeedsCheckout:
frontend::Alert::error(_("Revision control error."),
_("The repository version is newer then the current check out.\n"
"You have to update from repository first or revert your changes.")) ;
break;
default:
frontend::Alert::error(_("Revision control error."),
bformat(_("Bad status when checking in changes.\n"
"\n'%1$s'\n\n"),
toString(status)));
break;
}
return LyXVC::ErrorBefore;
}
bool CVS::isLocked() const
{
FileName fn(owner_->absFileName());
fn.refresh();
return !fn.isReadOnly();
}
bool CVS::checkInEnabled()
{
if (vcstatus != NOLOCKING)
return isLocked();
else
return true;
}
bool CVS::isCheckInWithConfirmation()
{
CvsStatus status = getStatus();
return status == LocallyModified || status == LocallyAdded;
}
string CVS::checkOut()
{
if (vcstatus != NOLOCKING && edit())
return string();
TempFile tempfile("lyxvout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return string();
}
int rc = update(File, tmpf);
string log;
string const res = scanLogFile(tmpf, log);
if (!res.empty()) {
frontend::Alert::error(_("Revision control error."),
bformat(_("Error when updating from repository.\n"
"You have to manually resolve the conflicts NOW!\n'%1$s'.\n\n"
"After pressing OK, LyX will try to reopen the resolved document."),
from_local8bit(res)));
rc = 0;
}
return rc ? string() : log.empty() ? "CVS: Proceeded" : "CVS: " + log;
}
bool CVS::checkOutEnabled()
{
if (vcstatus != NOLOCKING)
return !isLocked();
else
return true;
}
string CVS::repoUpdate()
{
TempFile tempfile("lyxvout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return string();
}
getDiff(Directory, tmpf);
docstring res = tmpf.fileContents("UTF-8");
if (!res.empty()) {
LYXERR(Debug::LYXVC, "Diff detected:\n" << res);
docstring const file = from_utf8(owner_->filePath());
docstring text = bformat(_("There were detected changes "
"in the working directory:\n%1$s\n\n"
"Possible file conflicts must be then resolved manually "
"or you will need to revert back to the repository version."), file);
int ret = frontend::Alert::prompt(_("Changes detected"),
text, 0, 1, _("&Continue"), _("&Abort"), _("View &Log ..."));
if (ret == 2) {
dispatch(FuncRequest(LFUN_DIALOG_SHOW, "file " + tmpf.absFileName()));
ret = frontend::Alert::prompt(_("Changes detected"),
text, 0, 1, _("&Continue"), _("&Abort"));
hideDialogs("file", 0);
}
if (ret == 1)
return string();
}
int rc = update(Directory, tmpf);
res += "Update log:\n" + tmpf.fileContents("UTF-8");
LYXERR(Debug::LYXVC, res);
string log;
string sres = scanLogFile(tmpf, log);
if (!sres.empty()) {
docstring const file = owner_->fileName().displayName(20);
frontend::Alert::error(_("Revision control error."),
bformat(_("Error when updating document %1$s from repository.\n"
"You have to manually resolve the conflicts NOW!\n'%2$s'.\n\n"
"After pressing OK, LyX will try to reopen the resolved document."),
file, from_local8bit(sres)));
rc = 0;
}
return rc ? string() : log.empty() ? "CVS: Proceeded" : "CVS: " + log;
}
bool CVS::repoUpdateEnabled()
{
return true;
}
string CVS::lockingToggle()
{
lyxerr << "Sorry, not implemented." << endl;
return string();
}
bool CVS::lockingToggleEnabled()
{
return false;
}
bool CVS::isRevertWithConfirmation()
{
CvsStatus status = getStatus();
return !owner_->isClean() || status == LocallyModified || status == NeedsMerge;
}
bool CVS::revert()
{
// Reverts to the version in CVS repository and
// gets the updated version from the repository.
CvsStatus status = getStatus();
switch (status) {
case UpToDate:
if (vcstatus != NOLOCKING)
return 0 == unedit();
break;
case NeedsMerge:
case NeedsCheckout:
case LocallyModified: {
FileName f(owner_->absFileName());
f.removeFile();
update(File, FileName());
owner_->markClean();
break;
}
case LocallyAdded: {
docstring const file = owner_->fileName().displayName(20);
frontend::Alert::error(_("Revision control error."),
bformat(_("The document %1$s is not in repository.\n"
"You have to check in the first revision before you can revert."),
file)) ;
return false;
}
default: {
docstring const file = owner_->fileName().displayName(20);
frontend::Alert::error(_("Revision control error."),
bformat(_("Cannot revert document %1$s to repository version.\n"
"The status '%2$s' is unexpected."),
file, toString(status)));
return false;
}
}
return true;
}
void CVS::undoLast()
{
// merge the current with the previous version
// in a reverse patch kind of way, so that the
// result is to revert the last changes.
lyxerr << "Sorry, not implemented." << endl;
}
bool CVS::undoLastEnabled()
{
return false;
}
void CVS::getLog(FileName const & tmpf)
{
doVCCommandWithOutput("cvs log " + getTarget(File),
FileName(owner_->filePath()),
tmpf);
}
bool CVS::toggleReadOnlyEnabled()
{
return false;
}
string CVS::revisionInfo(LyXVC::RevisionInfo const info)
{
if (!version_.empty()) {
getRevisionInfo();
switch (info) {
case LyXVC::File:
return version_;
case LyXVC::Author:
return rev_author_cache_;
case LyXVC::Date:
return rev_date_cache_;
case LyXVC::Time:
return rev_time_cache_;
default:
break;
}
}
return string();
}
bool CVS::prepareFileRevision(string const & revis, string & f)
{
string rev = revis;
if (!VCS::makeRCSRevision(version_, rev))
return false;
TempFile tempfile("lyxvcrev_" + rev + '_');
tempfile.setAutoRemove(false);
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return false;
}
doVCCommandWithOutput("cvs update -p -r" + rev + ' '
+ getTarget(File),
FileName(owner_->filePath()), tmpf);
tmpf.refresh();
if (tmpf.isFileEmpty())
return false;
f = tmpf.absFileName();
return true;
}
bool CVS::prepareFileRevisionEnabled()
{
return true;
}
/////////////////////////////////////////////////////////////////////
//
// SVN
//
/////////////////////////////////////////////////////////////////////
SVN::SVN(FileName const & m, Buffer * b) : VCS(b)
{
// Here we know that the buffer file is either already in SVN or
// about to be registered
master_ = m;
locked_mode_ = 0;
scanMaster();
}
FileName const SVN::findFile(FileName const & file)
{
// First we check the existence of repository meta data.
if (!VCS::checkparentdirs(file, ".svn")) {
LYXERR(Debug::LYXVC, "Cannot find SVN meta data for " << file);
return FileName();
}
// Now we check the status of the file.
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return FileName();
}
string const fname = onlyFileName(file.absFileName());
LYXERR(Debug::LYXVC, "LyXVC: Checking if file is under svn control for `" << fname << '\'');
bool found = 0 == doVCCommandCall("svn info " + quoteName(fname)
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
file.onlyPath());
LYXERR(Debug::LYXVC, "SVN control: " << (found ? "enabled" : "disabled"));
return found ? file : FileName();
}
void SVN::scanMaster()
{
// vcstatus code is somewhat superflous,
// until we want to implement read-only toggle for svn.
vcstatus = NOLOCKING;
if (checkLockMode()) {
if (isLocked())
vcstatus = LOCKED;
else
vcstatus = UNLOCKED;
}
}
bool SVN::checkLockMode()
{
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()){
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return false;
}
LYXERR(Debug::LYXVC, "Detecting locking mode...");
if (doVCCommandCall("svn proplist " + quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath())))
return false;
ifstream ifs(tmpf.toFilesystemEncoding().c_str());
string line;
bool ret = false;
while (ifs && !ret) {
getline(ifs, line);
LYXERR(Debug::LYXVC, line);
if (contains(line, "svn:needs-lock"))
ret = true;
}
LYXERR(Debug::LYXVC, "Locking enabled: " << ret);
ifs.close();
locked_mode_ = ret;
return ret;
}
bool SVN::isLocked() const
{
FileName file(owner_->absFileName());
file.refresh();
return !file.isReadOnly();
}
bool SVN::retrieve(FileName const & file)
{
LYXERR(Debug::LYXVC, "LyXVC::SVN: retrieve.\n\t" << file);
// The caller ensures that file does not exist, so no need to check that.
return doVCCommandCall("svn update -q --non-interactive " + quoteName(file.onlyFileName()),
file.onlyPath()) == 0;
}
void SVN::registrer(string const & /*msg*/)
{
doVCCommand("svn add -q " + quoteName(onlyFileName(owner_->absFileName())),
FileName(owner_->filePath()));
}
bool SVN::renameEnabled()
{
return true;
}
string SVN::rename(support::FileName const & newFile, string const & msg)
{
// svn move does not require a log message, since it does not commit.
// In LyX we commit immediately afterwards, otherwise it could be
// confusing to the user to have two uncommitted files.
FileName path(owner_->filePath());
string relFile(to_utf8(newFile.relPath(path.absFileName())));
string cmd("svn move -q " + quoteName(onlyFileName(owner_->absFileName())) +
' ' + quoteName(relFile));
if (doVCCommand(cmd, path)) {
cmd = "svn revert -q " +
quoteName(onlyFileName(owner_->absFileName())) + ' ' +
quoteName(relFile);
doVCCommand(cmd, path);
if (newFile.exists())
newFile.removeFile();
return string();
}
vector<support::FileName> f;
f.push_back(owner_->fileName());
f.push_back(newFile);
string log;
if (checkIn(f, msg, log) != LyXVC::VCSuccess) {
cmd = "svn revert -q " +
quoteName(onlyFileName(owner_->absFileName())) + ' ' +
quoteName(relFile);
doVCCommand(cmd, path);
if (newFile.exists())
newFile.removeFile();
return string();
}
return log;
}
bool SVN::copyEnabled()
{
return true;
}
string SVN::copy(support::FileName const & newFile, string const & msg)
{
// svn copy does not require a log message, since it does not commit.
// In LyX we commit immediately afterwards, otherwise it could be
// confusing to the user to have an uncommitted file.
FileName path(owner_->filePath());
string relFile(to_utf8(newFile.relPath(path.absFileName())));
string cmd("svn copy -q " + quoteName(onlyFileName(owner_->absFileName())) +
' ' + quoteName(relFile));
if (doVCCommand(cmd, path))
return string();
vector<support::FileName> f(1, newFile);
string log;
if (checkIn(f, msg, log) == LyXVC::VCSuccess)
return log;
return string();
}
LyXVC::CommandResult SVN::checkIn(string const & msg, string & log)
{
vector<support::FileName> f(1, owner_->fileName());
return checkIn(f, msg, log);
}
LyXVC::CommandResult
SVN::checkIn(vector<support::FileName> const & f, string const & msg, string & log)
{
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()){
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
log = N_("Error: Could not generate logfile.");
return LyXVC::ErrorBefore;
}
ostringstream os;
os << "svn commit -m \"" << msg << '"';
for (size_t i = 0; i < f.size(); ++i)
os << ' ' << quoteName(f[i].onlyFileName());
os << " > " << quoteName(tmpf.toFilesystemEncoding());
LyXVC::CommandResult ret =
doVCCommand(os.str(), FileName(owner_->filePath())) ?
LyXVC::ErrorCommand : LyXVC::VCSuccess;
string res = scanLogFile(tmpf, log);
if (!res.empty()) {
frontend::Alert::error(_("Revision control error."),
_("Error when committing to repository.\n"
"You have to manually resolve the problem.\n"
"LyX will reopen the document after you press OK."));
ret = LyXVC::ErrorCommand;
}
else
if (!fileLock(false, tmpf, log))
ret = LyXVC::ErrorCommand;
if (!log.empty())
log.insert(0, "SVN: ");
if (ret == LyXVC::VCSuccess && log.empty())
log = "SVN: Proceeded";
return ret;
}
bool SVN::checkInEnabled()
{
if (locked_mode_)
return isLocked();
else
return true;
}
bool SVN::isCheckInWithConfirmation()
{
// FIXME one day common getDiff and perhaps OpMode for all backends
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return true;
}
doVCCommandCall("svn diff " + quoteName(owner_->absFileName())
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
docstring diff = tmpf.fileContents("UTF-8");
if (diff.empty())
return false;
return true;
}
// FIXME Correctly return code should be checked instead of this.
// This would need another solution than just plain startscript.
// Hint from Andre': QProcess::readAllStandardError()...
string SVN::scanLogFile(FileName const & f, string & status)
{
ifstream ifs(f.toFilesystemEncoding().c_str());
string line;
while (ifs) {
getline(ifs, line);
LYXERR(Debug::LYXVC, line << '\n');
if (!line.empty())
status += line + "; ";
if (prefixIs(line, "C ") || prefixIs(line, "CU ")
|| contains(line, "Commit failed")) {
ifs.close();
return line;
}
if (contains(line, "svn:needs-lock")) {
ifs.close();
return line;
}
}
ifs.close();
return string();
}
bool SVN::fileLock(bool lock, FileName const & tmpf, string &status)
{
if (!locked_mode_ || (isLocked() == lock))
return true;
string const arg = lock ? "lock " : "unlock ";
doVCCommand("svn "+ arg + quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
// Lock error messages go unfortunately on stderr and are unreachable this way.
ifstream ifs(tmpf.toFilesystemEncoding().c_str());
string line;
while (ifs) {
getline(ifs, line);
if (!line.empty()) status += line + "; ";
}
ifs.close();
if (isLocked() == lock)
return true;
if (lock)
frontend::Alert::error(_("Revision control error."),
_("Error while acquiring write lock.\n"
"Another user is most probably editing\n"
"the current document now!\n"
"Also check the access to the repository."));
else
frontend::Alert::error(_("Revision control error."),
_("Error while releasing write lock.\n"
"Check the access to the repository."));
return false;
}
string SVN::checkOut()
{
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return N_("Error: Could not generate logfile.");
}
doVCCommand("svn update --non-interactive " + quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
string log;
string const res = scanLogFile(tmpf, log);
if (!res.empty())
frontend::Alert::error(_("Revision control error."),
bformat(_("Error when updating from repository.\n"
"You have to manually resolve the conflicts NOW!\n'%1$s'.\n\n"
"After pressing OK, LyX will try to reopen the resolved document."),
from_local8bit(res)));
fileLock(true, tmpf, log);
return log.empty() ? string() : "SVN: " + log;
}
bool SVN::checkOutEnabled()
{
if (locked_mode_)
return !isLocked();
else
return true;
}
string SVN::repoUpdate()
{
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return N_("Error: Could not generate logfile.");
}
doVCCommand("svn diff " + quoteName(owner_->filePath())
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
docstring res = tmpf.fileContents("UTF-8");
if (!res.empty()) {
LYXERR(Debug::LYXVC, "Diff detected:\n" << res);
docstring const file = from_utf8(owner_->filePath());
docstring text = bformat(_("There were detected changes "
"in the working directory:\n%1$s\n\n"
"In case of file conflict version of the local directory files "
"will be preferred."
"\n\nContinue?"), file);
int ret = frontend::Alert::prompt(_("Changes detected"),
text, 0, 1, _("&Yes"), _("&No"), _("View &Log ..."));
if (ret == 2) {
dispatch(FuncRequest(LFUN_DIALOG_SHOW, "file " + tmpf.absFileName()));
ret = frontend::Alert::prompt(_("Changes detected"),
text, 0, 1, _("&Yes"), _("&No"));
hideDialogs("file", 0);
}
if (ret == 1)
return string();
}
// Reverting looks too harsh, see bug #6255.
// doVCCommand("svn revert -R " + quoteName(owner_->filePath())
// + " > " + quoteName(tmpf.toFilesystemEncoding()),
// FileName(owner_->filePath()));
// res = "Revert log:\n" + tmpf.fileContents("UTF-8");
doVCCommand("svn update --accept mine-full " + quoteName(owner_->filePath())
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
res += "Update log:\n" + tmpf.fileContents("UTF-8");
LYXERR(Debug::LYXVC, res);
return to_utf8(res);
}
bool SVN::repoUpdateEnabled()
{
return true;
}
string SVN::lockingToggle()
{
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return N_("Error: Could not generate logfile.");
}
int ret = doVCCommand("svn proplist " + quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
if (ret)
return string();
string log;
string res = scanLogFile(tmpf, log);
bool locking = contains(res, "svn:needs-lock");
if (!locking)
ret = doVCCommand("svn propset svn:needs-lock ON "
+ quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
else
ret = doVCCommand("svn propdel svn:needs-lock "
+ quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
if (ret)
return string();
frontend::Alert::warning(_("SVN File Locking"),
(locking ? _("Locking property unset.") : _("Locking property set.")) + '\n'
+ _("Do not forget to commit the locking property into the repository."),
true);
return string("SVN: ") + (locking ?
N_("Locking property unset.") : N_("Locking property set."));
}
bool SVN::lockingToggleEnabled()
{
return true;
}
bool SVN::revert()
{
// Reverts to the version in SVN repository and
// gets the updated version from the repository.
string const fil = quoteName(onlyFileName(owner_->absFileName()));
if (doVCCommand("svn revert -q " + fil,
FileName(owner_->filePath())))
return false;
owner_->markClean();
return true;
}
bool SVN::isRevertWithConfirmation()
{
//FIXME owner && diff
return true;
}
void SVN::undoLast()
{
// merge the current with the previous version
// in a reverse patch kind of way, so that the
// result is to revert the last changes.
lyxerr << "Sorry, not implemented." << endl;
}
bool SVN::undoLastEnabled()
{
return false;
}
string SVN::revisionInfo(LyXVC::RevisionInfo const info)
{
if (info == LyXVC::Tree) {
if (rev_tree_cache_.empty())
if (!getTreeRevisionInfo())
rev_tree_cache_ = "?";
if (rev_tree_cache_ == "?")
return string();
return rev_tree_cache_;
}
// fill the rest of the attributes for a single file
if (rev_file_cache_.empty())
if (!getFileRevisionInfo())
rev_file_cache_ = "?";
switch (info) {
case LyXVC::File:
if (rev_file_cache_ == "?")
return string();
return rev_file_cache_;
case LyXVC::Author:
return rev_author_cache_;
case LyXVC::Date:
return rev_date_cache_;
case LyXVC::Time:
return rev_time_cache_;
default:
break;
}
return string();
}
bool SVN::getFileRevisionInfo()
{
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return false;
}
doVCCommand("svn info --xml " + quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
if (tmpf.empty())
return false;
ifstream ifs(tmpf.toFilesystemEncoding().c_str());
string line;
// commit log part
bool c = false;
string rev;
while (ifs) {
getline(ifs, line);
LYXERR(Debug::LYXVC, line);
if (prefixIs(line, "<commit"))
c = true;
if (c && prefixIs(line, " revision=\"") && suffixIs(line, "\">")) {
string l1 = subst(line, "revision=\"", "");
string l2 = trim(subst(l1, "\">", ""));
if (isStrInt(l2))
rev_file_cache_ = rev = l2;
}
if (c && prefixIs(line, "<author>") && suffixIs(line, "</author>")) {
string l1 = subst(line, "<author>", "");
string l2 = subst(l1, "</author>", "");
rev_author_cache_ = l2;
}
if (c && prefixIs(line, "<date>") && suffixIs(line, "</date>")) {
string l1 = subst(line, "<date>", "");
string l2 = subst(l1, "</date>", "");
l2 = split(l2, l1, 'T');
rev_date_cache_ = l1;
l2 = split(l2, l1, '.');
rev_time_cache_ = l1;
}
}
ifs.close();
return !rev.empty();
}
bool SVN::getTreeRevisionInfo()
{
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return false;
}
doVCCommand("svnversion -n . > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
if (tmpf.empty())
return false;
// only first line in case something bad happens.
ifstream ifs(tmpf.toFilesystemEncoding().c_str());
string line;
getline(ifs, line);
ifs.close();
rev_tree_cache_ = line;
return !line.empty();
}
void SVN::getLog(FileName const & tmpf)
{
doVCCommand("svn log " + quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
}
bool SVN::prepareFileRevision(string const & revis, string & f)
{
if (!isStrInt(revis))
return false;
int rev = convert<int>(revis);
if (rev <= 0)
if (!getFileRevisionInfo())
return false;
if (rev == 0)
rev = convert<int>(rev_file_cache_);
// go back for minus rev
else if (rev < 0) {
rev = rev + convert<int>(rev_file_cache_);
if (rev < 1)
return false;
}
string revname = convert<string>(rev);
TempFile tempfile("lyxvcrev_" + revname + '_');
tempfile.setAutoRemove(false);
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return false;
}
doVCCommand("svn cat -r " + revname + ' '
+ quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
tmpf.refresh();
if (tmpf.isFileEmpty())
return false;
f = tmpf.absFileName();
return true;
}
bool SVN::prepareFileRevisionEnabled()
{
return true;
}
bool SVN::toggleReadOnlyEnabled()
{
return false;
}
/////////////////////////////////////////////////////////////////////
//
// GIT
//
/////////////////////////////////////////////////////////////////////
GIT::GIT(FileName const & m, Buffer * b) : VCS(b)
{
// Here we know that the buffer file is either already in GIT or
// about to be registered
master_ = m;
scanMaster();
}
FileName const GIT::findFile(FileName const & file)
{
// First we check the existence of repository meta data.
if (!VCS::checkparentdirs(file, ".git")) {
LYXERR(Debug::LYXVC, "Cannot find GIT meta data for " << file);
return FileName();
}
// Now we check the status of the file.
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return FileName();
}
string const fname = onlyFileName(file.absFileName());
LYXERR(Debug::LYXVC, "LyXVC: Checking if file is under git control for `"
<< fname << '\'');
doVCCommandCall("git ls-files " +
quoteName(fname) + " > " +
quoteName(tmpf.toFilesystemEncoding()),
file.onlyPath());
tmpf.refresh();
bool found = !tmpf.isFileEmpty();
LYXERR(Debug::LYXVC, "GIT control: " << (found ? "enabled" : "disabled"));
return found ? file : FileName();
}
void GIT::scanMaster()
{
// vcstatus code is somewhat superflous,
// until we want to implement read-only toggle for git.
vcstatus = NOLOCKING;
}
bool GIT::retrieve(FileName const & file)
{
LYXERR(Debug::LYXVC, "LyXVC::GIT: retrieve.\n\t" << file);
// The caller ensures that file does not exist, so no need to check that.
return doVCCommandCall("git checkout -q " + quoteName(file.onlyFileName()),
file.onlyPath()) == 0;
}
void GIT::registrer(string const & /*msg*/)
{
doVCCommand("git add " + quoteName(onlyFileName(owner_->absFileName())),
FileName(owner_->filePath()));
}
bool GIT::renameEnabled()
{
return true;
}
string GIT::rename(support::FileName const & newFile, string const & msg)
{
// git mv does not require a log message, since it does not commit.
// In LyX we commit immediately afterwards, otherwise it could be
// confusing to the user to have two uncommitted files.
FileName path(owner_->filePath());
string relFile(to_utf8(newFile.relPath(path.absFileName())));
string cmd("git mv " + quoteName(onlyFileName(owner_->absFileName())) +
' ' + quoteName(relFile));
if (doVCCommand(cmd, path)) {
cmd = "git checkout -q " +
quoteName(onlyFileName(owner_->absFileName())) + ' ' +
quoteName(relFile);
doVCCommand(cmd, path);
if (newFile.exists())
newFile.removeFile();
return string();
}
vector<support::FileName> f;
f.push_back(owner_->fileName());
f.push_back(newFile);
string log;
if (checkIn(f, msg, log) != LyXVC::VCSuccess) {
cmd = "git checkout -q " +
quoteName(onlyFileName(owner_->absFileName())) + ' ' +
quoteName(relFile);
doVCCommand(cmd, path);
if (newFile.exists())
newFile.removeFile();
return string();
}
return log;
}
bool GIT::copyEnabled()
{
return false;
}
string GIT::copy(support::FileName const & /*newFile*/, string const & /*msg*/)
{
// git does not support copy with history preservation
return string();
}
LyXVC::CommandResult GIT::checkIn(string const & msg, string & log)
{
vector<support::FileName> f(1, owner_->fileName());
return checkIn(f, msg, log);
}
LyXVC::CommandResult
GIT::checkIn(vector<support::FileName> const & f, string const & msg, string & log)
{
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()){
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
log = N_("Error: Could not generate logfile.");
return LyXVC::ErrorBefore;
}
ostringstream os;
os << "git commit -m \"" << msg << '"';
for (size_t i = 0; i < f.size(); ++i)
os << ' ' << quoteName(f[i].onlyFileName());
os << " > " << quoteName(tmpf.toFilesystemEncoding());
LyXVC::CommandResult ret =
doVCCommand(os.str(), FileName(owner_->filePath())) ?
LyXVC::ErrorCommand : LyXVC::VCSuccess;
string res = scanLogFile(tmpf, log);
if (!res.empty()) {
frontend::Alert::error(_("Revision control error."),
_("Error when committing to repository.\n"
"You have to manually resolve the problem.\n"
"LyX will reopen the document after you press OK."));
ret = LyXVC::ErrorCommand;
}
if (!log.empty())
log.insert(0, "GIT: ");
if (ret == LyXVC::VCSuccess && log.empty())
log = "GIT: Proceeded";
return ret;
}
bool GIT::checkInEnabled()
{
return true;
}
bool GIT::isCheckInWithConfirmation()
{
// FIXME one day common getDiff and perhaps OpMode for all backends
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return true;
}
doVCCommandCall("git diff " + quoteName(owner_->absFileName())
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
docstring diff = tmpf.fileContents("UTF-8");
if (diff.empty())
return false;
return true;
}
// FIXME Correctly return code should be checked instead of this.
// This would need another solution than just plain startscript.
// Hint from Andre': QProcess::readAllStandardError()...
string GIT::scanLogFile(FileName const & f, string & status)
{
ifstream ifs(f.toFilesystemEncoding().c_str());
string line;
while (ifs) {
getline(ifs, line);
LYXERR(Debug::LYXVC, line << "\n");
if (!line.empty())
status += line + "; ";
if (prefixIs(line, "C ") || prefixIs(line, "CU ")
|| contains(line, "Commit failed")) {
ifs.close();
return line;
}
}
ifs.close();
return string();
}
string GIT::checkOut()
{
return string();
}
bool GIT::checkOutEnabled()
{
return false;
}
string GIT::repoUpdate()
{
return string();
}
bool GIT::repoUpdateEnabled()
{
return false;
}
string GIT::lockingToggle()
{
return string();
}
bool GIT::lockingToggleEnabled()
{
return false;
}
bool GIT::revert()
{
// Reverts to the version in GIT repository and
// gets the updated version from the repository.
string const fil = quoteName(onlyFileName(owner_->absFileName()));
if (doVCCommand("git checkout -q " + fil,
FileName(owner_->filePath())))
return false;
owner_->markClean();
return true;
}
bool GIT::isRevertWithConfirmation()
{
//FIXME owner && diff
return true;
}
void GIT::undoLast()
{
// merge the current with the previous version
// in a reverse patch kind of way, so that the
// result is to revert the last changes.
lyxerr << "Sorry, not implemented." << endl;
}
bool GIT::undoLastEnabled()
{
return false;
}
string GIT::revisionInfo(LyXVC::RevisionInfo const info)
{
if (info == LyXVC::Tree) {
if (rev_tree_cache_.empty())
if (!getTreeRevisionInfo())
rev_tree_cache_ = "?";
if (rev_tree_cache_ == "?")
return string();
return rev_tree_cache_;
}
// fill the rest of the attributes for a single file
if (rev_file_cache_.empty())
if (!getFileRevisionInfo())
rev_file_cache_ = "?";
switch (info) {
case LyXVC::File:
if (rev_file_cache_ == "?")
return string();
return rev_file_cache_;
case LyXVC::Author:
return rev_author_cache_;
case LyXVC::Date:
return rev_date_cache_;
case LyXVC::Time:
return rev_time_cache_;
default:
break;
}
return string();
}
bool GIT::getFileRevisionInfo()
{
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return false;
}
doVCCommand("git log -n 1 --pretty=format:%H%n%an%n%ai " + quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
if (tmpf.empty())
return false;
ifstream ifs(tmpf.toFilesystemEncoding().c_str());
if (ifs)
getline(ifs, rev_file_cache_);
if (ifs)
getline(ifs, rev_author_cache_);
if (ifs) {
string line;
getline(ifs, line);
rev_time_cache_ = split(line, rev_date_cache_, ' ');
}
ifs.close();
return !rev_file_cache_.empty();
}
bool GIT::getTreeRevisionInfo()
{
TempFile tempfile("lyxvcout");
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return false;
}
doVCCommand("git describe --abbrev --dirty --long > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
if (tmpf.empty())
return false;
// only first line in case something bad happens.
ifstream ifs(tmpf.toFilesystemEncoding().c_str());
getline(ifs, rev_tree_cache_);
ifs.close();
return !rev_tree_cache_.empty();
}
void GIT::getLog(FileName const & tmpf)
{
doVCCommand("git log " + quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
}
//at this moment we don't accept revision SHA, but just number of revision steps back
//GUI and infrastucture needs to be changed first
bool GIT::prepareFileRevision(string const & revis, string & f)
{
// anything positive means we got hash, not "0" or minus revision
int rev = 1;
// hash is rarely number and should be long
if (isStrInt(revis) && revis.length()<20)
rev = convert<int>(revis);
// revision and filename
string pointer;
// go back for "minus" revisions
if (rev <= 0)
pointer = "HEAD~" + convert<string>(-rev);
// normal hash
else
pointer = revis;
pointer += ':';
TempFile tempfile("lyxvcrev_" + revis + '_');
tempfile.setAutoRemove(false);
FileName tmpf = tempfile.name();
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return false;
}
doVCCommand("git show " + pointer + "./"
+ quoteName(onlyFileName(owner_->absFileName()))
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
FileName(owner_->filePath()));
tmpf.refresh();
if (tmpf.isFileEmpty())
return false;
f = tmpf.absFileName();
return true;
}
bool GIT::prepareFileRevisionEnabled()
{
return true;
}
bool GIT::toggleReadOnlyEnabled()
{
return true;
}
} // namespace lyx
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