#include "support/filetools.h"
#include "support/gettext.h"
#include "support/lstrings.h"
-#include "support/Path.h"
+#include "support/PathChanger.h"
#include "support/Systemcall.h"
#include "support/regex.h"
using namespace lyx::support;
-
namespace lyx {
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
}
-bool VCS::checkparentdirs(FileName const & file, std::string const & pathname)
+bool VCS::checkparentdirs(FileName const & file, std::string const & vcsdir)
{
FileName dirname = file.onlyPath();
- FileName tocheck = FileName(addName(dirname.absFileName(),pathname));
- LYXERR(Debug::LYXVC, "check file: " << tocheck.absFileName());
- bool result = tocheck.exists();
- while ( !result && !dirname.empty() ) {
+ 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();
- LYXERR(Debug::LYXVC, "check directory: " << dirname.absFileName());
- tocheck = FileName(addName(dirname.absFileName(),pathname));
- result = tocheck.exists();
- }
- return result;
+ } 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();
}
}
-string RCS::checkIn(string const & msg)
+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()));
- return ret ? string() : "RCS: Proceeded";
+ if (ret)
+ return LyXVC::ErrorCommand;
+ log = "RCS: Proceeded";
+ return LyXVC::VCSuccess;
}
FileName(owner_->filePath()));
docstring diff = tmpf.fileContents("UTF-8");
- tmpf.erase();
+ tmpf.removeFile();
if (diff.empty())
return false;
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();
}
+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),
ifs.close();
return string();
}
-
-
-string CVS::checkIn(string const & msg)
+
+
+LyXVC::CommandResult CVS::checkIn(string const & msg, string & log)
{
CvsStatus status = getStatus();
switch (status) {
case UpToDate:
if (vcstatus != NOLOCKING)
- unedit();
- return "CVS: Proceeded";
+ 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()));
- return rc ? string() : "CVS: Proceeded";
+ if (rc)
+ return LyXVC::ErrorCommand;
+ log = "CVS: Proceeded";
+ return LyXVC::VCSuccess;
}
case NeedsMerge:
case NeedsCheckout:
toString(status)));
break;
}
- return string();
+ return LyXVC::ErrorBefore;
}
rc = 0;
}
- tmpf.erase();
+ tmpf.removeFile();
return rc ? string() : log.empty() ? "CVS: Proceeded" : "CVS: " + log;
}
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();
bool found = 0 == doVCCommandCall("svn info " + quoteName(fname)
+ " > " + quoteName(tmpf.toFilesystemEncoding()),
file.onlyPath());
+ tmpf.removeFile();
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 code is somewhat superflous,
+ // until we want to implement read-only toggle for svn.
vcstatus = NOLOCKING;
if (checkLockMode()) {
- if (isLocked()) {
+ if (isLocked())
vcstatus = LOCKED;
- } else {
+ else
vcstatus = UNLOCKED;
- }
}
}
}
-string SVN::checkIn(string const & msg)
+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)
{
FileName tmpf = FileName::tempName("lyxvcout");
if (tmpf.empty()){
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
- return N_("Error: Could not generate logfile.");
+ log = N_("Error: Could not generate logfile.");
+ return LyXVC::ErrorBefore;
}
- doVCCommand("svn commit -m \"" + msg + "\" "
- + quoteName(onlyFileName(owner_->absFileName()))
- + " > " + quoteName(tmpf.toFilesystemEncoding()),
- FileName(owner_->filePath()));
+ 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 log;
string res = scanLogFile(tmpf, log);
- if (!res.empty())
+ 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
- fileLock(false, tmpf, log);
+ if (!fileLock(false, tmpf, log))
+ ret = LyXVC::ErrorCommand;
- tmpf.erase();
- return log.empty() ? string() : "SVN: " + log;
+ tmpf.removeFile();
+ if (!log.empty())
+ log.insert(0, "SVN: ");
+ if (ret == LyXVC::VCSuccess && log.empty())
+ log = "SVN: Proceeded";
+ return ret;
}
FileName(owner_->filePath()));
docstring diff = tmpf.fileContents("UTF-8");
- tmpf.erase();
+ tmpf.removeFile();
if (diff.empty())
return false;
}
-void SVN::fileLock(bool lock, FileName const & tmpf, string &status)
+bool SVN::fileLock(bool lock, FileName const & tmpf, string &status)
{
if (!locked_mode_ || (isLocked() == lock))
- return;
+ return true;
string const arg = lock ? "lock " : "unlock ";
doVCCommand("svn "+ arg + quoteName(onlyFileName(owner_->absFileName()))
}
ifs.close();
- if (!isLocked() && lock)
+ 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."));
- if (isLocked() && !lock)
+ else
frontend::Alert::error(_("Revision control error."),
_("Error while releasing write lock.\n"
"Check the access to the repository."));
+ return false;
}
fileLock(true, tmpf, log);
- tmpf.erase();
+ tmpf.removeFile();
return log.empty() ? string() : "SVN: " + log;
}
hideDialogs("file", 0);
}
if (ret == 1 ) {
- tmpf.erase();
+ tmpf.removeFile();
return string();
}
}
res += "Update log:\n" + tmpf.fileContents("UTF-8");
LYXERR(Debug::LYXVC, res);
- tmpf.erase();
+ tmpf.removeFile();
return to_utf8(res);
}
if (ret)
return string();
- tmpf.erase();
+ tmpf.removeFile();
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."),
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();
+ if (rev_tree_cache_.empty())
+ if (!getTreeRevisionInfo())
+ rev_tree_cache_ = "?";
+ if (rev_tree_cache_ == "?")
+ return string();
- return rev_tree_cache_;
+ return rev_tree_cache_;
}
// fill the rest of the attributes for a single file
}
ifs.close();
- tmpf.erase();
+ tmpf.removeFile();
return !rev.empty();
}
string line;
getline(ifs, line);
ifs.close();
- tmpf.erase();
+ tmpf.removeFile();
rev_tree_cache_ = line;
return !line.empty();
}
+/////////////////////////////////////////////////////////////////////
+//
+// 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.
+ FileName tmpf = FileName::tempName("lyxvcout");
+ 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());
+ bool found = !tmpf.isFileEmpty();
+ tmpf.removeFile();
+ 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)
+{
+ FileName tmpf = FileName::tempName("lyxvcout");
+ 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;
+ }
+
+ tmpf.removeFile();
+ 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
+
+ FileName tmpf = FileName::tempName("lyxvcout");
+ 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");
+ tmpf.removeFile();
+
+ 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: ;
+
+ }
+
+ return string();
+}
+
+
+bool GIT::getFileRevisionInfo()
+{
+ FileName tmpf = FileName::tempName("lyxvcout");
+ 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();
+ tmpf.removeFile();
+ return !rev_file_cache_.empty();
+}
+
+
+bool GIT::getTreeRevisionInfo()
+{
+ FileName tmpf = FileName::tempName("lyxvcout");
+ 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();
+ tmpf.removeFile();
+
+ 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 += ":";
+
+ FileName tmpf = FileName::tempName("lyxvcrev_" + revis + "_");
+ 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()));
+ if (tmpf.isFileEmpty())
+ return false;
+
+ f = tmpf.absFileName();
+ return true;
+}
+
+
+bool GIT::prepareFileRevisionEnabled()
+{
+ return true;
+}
+
+
+bool GIT::toggleReadOnlyEnabled()
+{
+ return false;
+}
+
+
} // namespace lyx