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e4998f21b0
The window title is built from the current file name and its mofidication state. We use our own code instead of the automatic title bar provided when windowFileName() is set because 1/ Qt does not keep the full path name 2/ Qt does not yield a nice application name 3/ Qt separates file name and app name with an em-dash. It seems that only KDE does that: Gnome does not, Windows does not either. I do not think that we can/want to detect a KDE environment at run-time. The "read only" and "version control" status are shown in the status bar: * for read only we use the tab read only emblem (with the right size) * for version control, we show the name of the backend (using a new vcname() method of the backend). The iconText() of the view is not updated anymore, since this is deprecated in Qt5. (cherry picked from commit82808fea04) (cherry picked from commit9313f8565b) (cherry picked from commitbbe36ce6ce) (cherry picked from commit7cbc0c16a8)
578 lines
16 KiB
C++
578 lines
16 KiB
C++
// -*- C++ -*-
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/**
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* \file VCBackend.h
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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 Pavel Sanda
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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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#ifndef VC_BACKEND_H
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#define VC_BACKEND_H
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#include "support/FileName.h"
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#include <string>
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#include <vector>
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#include "LyXVC.h"
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namespace lyx {
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class Buffer;
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/// A simple version control system interface
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class VCS {
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public:
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/// the status of the managed file
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enum VCStatus {
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UNLOCKED,
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LOCKED,
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NOLOCKING,
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};
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VCS(Buffer * b) : vcstatus(NOLOCKING), owner_(b) {}
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virtual ~VCS() {}
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/// the name of the vc backend
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virtual std::string vcname() const = 0;
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/// register a file for version control
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virtual void registrer(std::string const & msg) = 0;
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/// can this operation be processed in the current VCS?
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virtual bool renameEnabled() = 0;
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/// rename a file. Return non-empty log on success, empty log on failure.
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virtual std::string rename(support::FileName const &, std::string const &) = 0;
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/// can this operation be processed in the current VCS?
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virtual bool copyEnabled() = 0;
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/// copy a file. Return non-empty log on success, empty log on failure.
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virtual std::string copy(support::FileName const &, std::string const &) = 0;
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/// check in the current revision.
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/// \p log is non-empty on success and may be empty on failure.
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virtual LyXVC::CommandResult
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checkIn(std::string const & msg, std::string & log) = 0;
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/// can this operation be processed in the current VCS?
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virtual bool checkInEnabled() = 0;
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/// should a log message provided for next checkin?
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virtual bool isCheckInWithConfirmation() = 0;
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/// check out for editing, returns log
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virtual std::string checkOut() = 0;
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/// can this operation be processed in the current VCS?
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virtual bool checkOutEnabled() = 0;
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/// synchronize with repository, returns log
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virtual std::string repoUpdate() = 0;
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/// can this operation be processed in the current VCS?
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virtual bool repoUpdateEnabled() = 0;
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/// toggle locking property of the file
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virtual std::string lockingToggle() = 0;
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/// can this operation be processed in the current VCS?
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virtual bool lockingToggleEnabled() = 0;
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/// revert current edits
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virtual bool revert() = 0;
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/// should a confirmation before revert requested?
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virtual bool isRevertWithConfirmation() = 0;
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/**
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* Merge the current with the previous version
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* in a reverse patch kind of way, so that the
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* result is to revert the last changes.
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*/
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virtual void undoLast() = 0;
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/// can this operation be processed in the current VCS?
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virtual bool undoLastEnabled() = 0;
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/**
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* getLog - read the revision log into the given file
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* @param fname file name to read into
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*/
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virtual void getLog(support::FileName const &) = 0;
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/// return the current version description
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virtual std::string const versionString() const = 0;
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/// return the owning buffer
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Buffer * owner() const { return owner_; }
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/// return the lock status of this file
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VCStatus status() const { return vcstatus; }
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/// do we need special handling for read-only toggling?
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/// (also used for check-out operation)
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virtual bool toggleReadOnlyEnabled() = 0;
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/// Return revision info specified by the argument.
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virtual std::string revisionInfo(LyXVC::RevisionInfo const info) = 0;
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/// can this operation be processed in the current VCS?
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virtual bool prepareFileRevision(std::string const & rev, std::string & f) = 0;
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/// can this operation be processed in the current VCS?
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virtual bool prepareFileRevisionEnabled() = 0;
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/// Check the directory of file and all parent directories
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/// for the existence of repository-info like .git or .svn
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static bool checkparentdirs(support::FileName const & file, std::string const & vcsdir);
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protected:
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/// parse information from the version file
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virtual void scanMaster() = 0;
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/// Prepare a version identifier suitable for RCS and CVS.
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/// If needed converts last or relative number to the absolute revision.
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bool makeRCSRevision(std::string const &version, std::string &revis) const;
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/// GUI container for doVCCommandCall
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int doVCCommand(std::string const & cmd, support::FileName const & path, bool reportError = true);
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/**
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* doVCCommandCall - call out to the version control utility
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* @param cmd the command to execute
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* @param path the path from which to execute
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* @return exit status
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*/
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static int doVCCommandCall(std::string const & cmd, support::FileName const & path);
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/**
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* The master VC file. For RCS this is *,v or RCS/ *,v. master should
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* have full path.
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*/
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support::FileName master_;
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/// The status of the VC controlled file.
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VCStatus vcstatus;
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/// The buffer using this VC
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Buffer * const owner_;
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};
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///
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class RCS : public VCS {
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public:
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explicit
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RCS(support::FileName const & m, Buffer * b);
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/// return the revision file for the given file, if found
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static support::FileName const findFile(support::FileName const & file);
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/// get file from repo, the caller must ensure that it does not exist locally
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static bool retrieve(support::FileName const & file);
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virtual std::string vcname() const { return "RCS"; };
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virtual void registrer(std::string const & msg);
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virtual bool renameEnabled();
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virtual std::string rename(support::FileName const &, std::string const &);
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virtual bool copyEnabled();
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virtual std::string copy(support::FileName const &, std::string const &);
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virtual LyXVC::CommandResult
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checkIn(std::string const & msg, std::string & log);
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virtual bool checkInEnabled();
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virtual bool isCheckInWithConfirmation();
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virtual std::string checkOut();
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virtual bool checkOutEnabled();
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virtual std::string repoUpdate();
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virtual bool repoUpdateEnabled();
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virtual std::string lockingToggle();
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virtual bool lockingToggleEnabled();
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virtual bool revert();
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virtual bool isRevertWithConfirmation();
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virtual void undoLast();
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virtual bool undoLastEnabled();
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virtual void getLog(support::FileName const &);
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virtual std::string const versionString() const {
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return "RCS: " + version_;
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}
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virtual bool toggleReadOnlyEnabled();
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virtual std::string revisionInfo(LyXVC::RevisionInfo const info);
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virtual bool prepareFileRevision(std::string const & rev, std::string & f);
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virtual bool prepareFileRevisionEnabled();
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protected:
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virtual void scanMaster();
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private:
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bool getRevisionInfo();
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/**
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* The version of the VC file. I am not sure if this can be a
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* string or if it must be a float/int.
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*/
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std::string version_;
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/// The user currently keeping the lock on the VC file (or "Unlocked").
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std::string locker_;
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/// Cache for revision info.
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std::string rev_date_cache_;
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///
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std::string rev_time_cache_;
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///
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std::string rev_author_cache_;
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};
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///
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class CVS : public VCS {
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public:
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///
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explicit
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CVS(support::FileName const & m, Buffer * b);
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/// return the revision file for the given file, if found
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static support::FileName const findFile(support::FileName const & file);
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/// get file from repo, the caller must ensure that it does not exist locally
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static bool retrieve(support::FileName const & file);
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virtual std::string vcname() const { return "CVS"; };
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virtual void registrer(std::string const & msg);
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virtual bool renameEnabled();
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virtual std::string rename(support::FileName const &, std::string const &);
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virtual bool copyEnabled();
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virtual std::string copy(support::FileName const &, std::string const &);
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virtual LyXVC::CommandResult
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checkIn(std::string const & msg, std::string & log);
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virtual bool checkInEnabled();
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virtual bool isCheckInWithConfirmation();
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virtual std::string checkOut();
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virtual bool checkOutEnabled();
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virtual std::string repoUpdate();
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virtual bool repoUpdateEnabled();
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virtual std::string lockingToggle();
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virtual bool lockingToggleEnabled();
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virtual bool isRevertWithConfirmation();
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virtual bool revert();
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virtual void undoLast();
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virtual bool undoLastEnabled();
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virtual void getLog(support::FileName const &);
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/// Check for messages in cvs output.
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/// Returns conflict line.
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std::string scanLogFile(support::FileName const & f, std::string & status);
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virtual std::string const versionString() const {
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return "CVS: " + version_;
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}
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virtual bool toggleReadOnlyEnabled();
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virtual std::string revisionInfo(LyXVC::RevisionInfo const info);
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virtual bool prepareFileRevision(std::string const & rev, std::string & f);
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virtual bool prepareFileRevisionEnabled();
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protected:
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virtual void scanMaster();
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/// the mode of operation for some VC commands
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enum OperationMode {
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Directory = 0,
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File = 1
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};
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/// possible status values of file
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enum CvsStatus {
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UpToDate = 0,
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LocallyModified = 1,
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LocallyAdded = 2,
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NeedsMerge = 3,
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NeedsCheckout = 4,
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NoCvsFile = 5,
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StatusError = 6
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};
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private:
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// revision number from scanMaster
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std::string version_;
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/**
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* doVCCommandWithOutput
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* - call out to the version control utility
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* - it is able to collect output in a file
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* @param cmd the command to execute
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* @param path the path from which to execute
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* @param output the path where to store output
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* @param reportError display of low level error message dialog
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* @return exit status
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*/
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int doVCCommandWithOutput(std::string const & cmd,
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support::FileName const & path,
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support::FileName const & output,
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bool reportError = true);
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static int doVCCommandCallWithOutput(std::string const & cmd,
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support::FileName const & path,
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support::FileName const & output);
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/// return the quoted pathname if Directory or filename if File
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virtual std::string const getTarget(OperationMode opmode) const;
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/// collect the diff of file or directory against repository
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/// result is placed in temporary file
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void getDiff(OperationMode opmode, support::FileName const & tmpf);
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/// make the file ready for editing:
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/// save a copy in CVS/Base and change file permissions to rw if needed
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virtual int edit();
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/// revert the edit operation
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virtual int unedit();
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/// retrieve repository changes into working copy
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virtual int update(OperationMode opmode, support::FileName const & tmpf);
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/// check readonly state for file
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/// assume true when file is writable
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virtual bool isLocked() const;
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/// query and parse the cvs status of file
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virtual CvsStatus getStatus();
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/// convert enum to string
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virtual docstring toString(CvsStatus status) const;
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/// cache the info values of current file revision
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/// author, date and time of commit
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std::string rev_author_cache_;
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std::string rev_date_cache_;
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std::string rev_time_cache_;
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/// fills the cache values, returns true if successfull.
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void getRevisionInfo();
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bool have_rev_info_;
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};
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///
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class SVN : public VCS {
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public:
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///
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explicit
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SVN(support::FileName const & m, Buffer * b);
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/// return the revision file for the given file, if found
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static support::FileName const findFile(support::FileName const & file);
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/// get file from repo, the caller must ensure that it does not exist locally
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static bool retrieve(support::FileName const & file);
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virtual std::string vcname() const { return "SVN"; };
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virtual void registrer(std::string const & msg);
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virtual bool renameEnabled();
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virtual std::string rename(support::FileName const &, std::string const &);
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virtual bool copyEnabled();
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virtual std::string copy(support::FileName const &, std::string const &);
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virtual LyXVC::CommandResult
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checkIn(std::string const & msg, std::string & log);
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virtual bool checkInEnabled();
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virtual bool isCheckInWithConfirmation();
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virtual std::string checkOut();
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virtual bool checkOutEnabled();
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virtual std::string repoUpdate();
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virtual bool repoUpdateEnabled();
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virtual std::string lockingToggle();
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virtual bool lockingToggleEnabled();
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virtual bool revert();
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virtual bool isRevertWithConfirmation();
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virtual void undoLast();
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virtual bool undoLastEnabled();
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virtual void getLog(support::FileName const &);
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virtual std::string const versionString() const {
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return "SVN: " + rev_file_cache_;
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}
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virtual bool toggleReadOnlyEnabled();
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virtual std::string revisionInfo(LyXVC::RevisionInfo const info);
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virtual bool prepareFileRevision(std::string const & rev, std::string & f);
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virtual bool prepareFileRevisionEnabled();
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protected:
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virtual void scanMaster();
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/// Check for messages in svn output. Returns error.
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std::string scanLogFile(support::FileName const & f, std::string & status);
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/// checks locking policy and setup locked_mode_
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bool checkLockMode();
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/// is the loaded file locked?
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bool isLocked() const;
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/// acquire/release write lock for the current file
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bool fileLock(bool lock, support::FileName const & tmpf, std::string & status);
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/// Check in files \p f with log \p msg
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LyXVC::CommandResult checkIn(std::vector<support::FileName> const & f,
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std::string const & msg, std::string & log);
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private:
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/// is the loaded file under locking policy?
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bool locked_mode_;
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/**
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* Real code for obtaining file revision info. Fills all file-related caches
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* and returns true if successfull.
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* "?" is stored in rev_file_cache_ as a signal if request for obtaining info
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* was already unsuccessful.
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*/
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bool getFileRevisionInfo();
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/// cache for file revision number, "?" if already unsuccessful, isNumber==true
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std::string rev_file_cache_;
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/// cache for author of last commit
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std::string rev_author_cache_;
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/// cache for date of last commit
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std::string rev_date_cache_;
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/// cache for time of last commit
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std::string rev_time_cache_;
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/// fills rev_tree_cache_, returns true if successfull.
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bool getTreeRevisionInfo();
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/// cache for tree revision number, "?" if already unsuccessful
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std::string rev_tree_cache_;
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};
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/**
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* Very basic git support:
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* Remote repos are completely ignored, only the local tree is considered.
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* How push and pull could be integrated with the LyX VCS interface needs
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* to be discussed.
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*/
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class GIT : public VCS {
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public:
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///
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explicit
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GIT(support::FileName const & m, Buffer * b);
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/// return the revision file for the given file, if found
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static support::FileName const findFile(support::FileName const & file);
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/// get file from repo, the caller must ensure that it does not exist locally
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static bool retrieve(support::FileName const & file);
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virtual std::string vcname() const { return "GIT"; };
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virtual void registrer(std::string const & msg);
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virtual bool renameEnabled();
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virtual std::string rename(support::FileName const &, std::string const &);
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virtual bool copyEnabled();
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virtual std::string copy(support::FileName const &, std::string const &);
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virtual LyXVC::CommandResult
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checkIn(std::string const & msg, std::string & log);
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virtual bool checkInEnabled();
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virtual bool isCheckInWithConfirmation();
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virtual std::string checkOut();
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virtual bool checkOutEnabled();
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virtual std::string repoUpdate();
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virtual bool repoUpdateEnabled();
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virtual std::string lockingToggle();
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virtual bool lockingToggleEnabled();
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virtual bool revert();
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virtual bool isRevertWithConfirmation();
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virtual void undoLast();
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virtual bool undoLastEnabled();
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virtual void getLog(support::FileName const &);
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virtual std::string const versionString() const {
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return "GIT: ?";
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}
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virtual bool toggleReadOnlyEnabled();
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virtual std::string revisionInfo(LyXVC::RevisionInfo const info);
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virtual bool prepareFileRevision(std::string const & rev, std::string & f);
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virtual bool prepareFileRevisionEnabled();
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protected:
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virtual void scanMaster();
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/// Check for messages in svn output. Returns error.
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std::string scanLogFile(support::FileName const & f, std::string & status);
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/// Check in files \p f with log \p msg
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LyXVC::CommandResult checkIn(std::vector<support::FileName> const & f,
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std::string const & msg, std::string & log);
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private:
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/**
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* Real code for obtaining file revision info. Fills all file-related caches
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* and returns true if successfull.
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* "?" is stored in rev_file_cache_ as a signal if request for obtaining info
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* was already unsuccessful.
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*/
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bool getFileRevisionInfo();
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/// cache for file revision number, "?" if already unsuccessful, isNumber==true
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std::string rev_file_cache_;
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/// cache for author of last commit
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std::string rev_author_cache_;
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/// cache for date of last commit
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std::string rev_date_cache_;
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/// cache for time of last commit
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std::string rev_time_cache_;
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/// fills rev_tree_cache_, returns true if successfull.
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bool getTreeRevisionInfo();
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/// cache for tree revision number, "?" if already unsuccessful
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std::string rev_tree_cache_;
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};
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} // namespace lyx
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#endif // VCBACKEND_H
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