Move all python shebangs from /usr/bin/env to python3.

[lyx.git] / src / VCBackend.h

diff --git a/src/VCBackend.h b/src/VCBackend.h
index 6d3903c68698476125b465a436011ac7f9b28abf..570c4a295f2ccfe3c91c1c4be68a5cba29f7401f 100644 (file)
--- a/src/VCBackend.h
+++ b/src/VCBackend.h
@@ -33,14 +33,13 @@ public:
                UNLOCKED,
                LOCKED,
                NOLOCKING,
-               /// This file is not in version control, but it could be aded
-               /// (because the path is under version control)
-               UNVERSIONED,
        };
 
-       VCS(Buffer * b) : owner_(b) {}
+       VCS(Buffer * b) : vcstatus(NOLOCKING), owner_(b) {}
        virtual ~VCS() {}
 
+       /// the name of the vc backend
+       virtual std::string vcname() const = 0;
        /// register a file for version control
        virtual void registrer(std::string const & msg) = 0;
        /// can this operation be processed in the current VCS?
@@ -52,7 +51,7 @@ public:
        /// copy a file. Return non-empty log on success, empty log on failure.
        virtual std::string copy(support::FileName const &, std::string const &) = 0;
        /// check in the current revision.
-        /// \p log is non-empty on success and may be empty on failure.
+       /// \p log is non-empty on success and may be empty on failure.
        virtual LyXVC::CommandResult
        checkIn(std::string const & msg, std::string & log) = 0;
        /// can this operation be processed in the current VCS?
@@ -105,9 +104,9 @@ public:
        virtual bool prepareFileRevisionEnabled() = 0;
 
        /// Check the directory of file and all parent directories
-       /// for the existence of the given pathname
-       static bool checkparentdirs(support::FileName const & file, std::string const & pathname);
-       
+       /// for the existence of repository-info like .git or .svn
+       static bool checkparentdirs(support::FileName const & file, std::string const & vcsdir);
+
 protected:
        /// parse information from the version file
        virtual void scanMaster() = 0;
@@ -115,7 +114,7 @@ protected:
        /// Prepare a version identifier suitable for RCS and CVS.
        /// If needed converts last or relative number to the absolute revision.
        bool makeRCSRevision(std::string const &version, std::string &revis) const;
-       
+
        /// GUI container for doVCCommandCall
        int doVCCommand(std::string const & cmd, support::FileName const & path, bool reportError = true);
        /**
@@ -153,6 +152,8 @@ public:
        /// get file from repo, the caller must ensure that it does not exist locally
        static bool retrieve(support::FileName const & file);
 
+       virtual std::string vcname() const { return "RCS"; };
+
        virtual void registrer(std::string const & msg);
 
        virtual bool renameEnabled();
@@ -237,6 +238,8 @@ public:
        /// get file from repo, the caller must ensure that it does not exist locally
        static bool retrieve(support::FileName const & file);
 
+       virtual std::string vcname() const { return "CVS"; };
+
        virtual void registrer(std::string const & msg);
 
        virtual bool renameEnabled();
@@ -276,7 +279,7 @@ public:
 
        virtual void getLog(support::FileName const &);
 
-       /// Check for messages in cvs output. 
+       /// Check for messages in cvs output.
        /// Returns conflict line.
        std::string scanLogFile(support::FileName const & f, std::string & status);
 
@@ -331,7 +334,7 @@ private:
        static int doVCCommandCallWithOutput(std::string const & cmd,
                        support::FileName const & path,
                        support::FileName const & output);
-                                               
+
        /// return the quoted pathname if Directory or filename if File
        virtual std::string const getTarget(OperationMode opmode) const;
        /// collect the diff of file or directory against repository
@@ -376,6 +379,8 @@ public:
        /// get file from repo, the caller must ensure that it does not exist locally
        static bool retrieve(support::FileName const & file);
 
+       virtual std::string vcname() const { return "SVN"; };
+
        virtual void registrer(std::string const & msg);
 
        virtual bool renameEnabled();
@@ -484,6 +489,8 @@ public:
        /// get file from repo, the caller must ensure that it does not exist locally
        static bool retrieve(support::FileName const & file);
 
+       virtual std::string vcname() const { return "GIT"; };
+
        virtual void registrer(std::string const & msg);
 
        virtual bool renameEnabled();
@@ -542,6 +549,27 @@ protected:
        /// Check in files \p f with log \p msg
        LyXVC::CommandResult checkIn(std::vector<support::FileName> const & f,
                                     std::string const & msg, std::string & log);
+
+private:
+       /**
+        * Real code for obtaining file revision info. Fills all file-related caches
+        * and returns true if successfull.
+        * "?" is stored in rev_file_cache_ as a signal if request for obtaining info
+        * was already unsuccessful.
+        */
+       bool getFileRevisionInfo();
+       /// cache for file revision number, "?" if already unsuccessful, isNumber==true
+       std::string rev_file_cache_;
+       /// cache for author of last commit
+       std::string rev_author_cache_;
+       /// cache for date of last commit
+       std::string rev_date_cache_;
+       /// cache for time of last commit
+       std::string rev_time_cache_;
+       /// fills rev_tree_cache_, returns true if successfull.
+       bool getTreeRevisionInfo();
+       /// cache for tree revision number, "?" if already unsuccessful
+       std::string rev_tree_cache_;
 };
 
 } // namespace lyx