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implementation for "Compare with older revision" for CVS, correct return value of SVN::prepareFileRevision for failure to create tmp file

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36161 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Stephan Witt 2010-11-06 12:18:09 +00:00
parent ba00acbd65
commit 2c7a7e72c2
2 changed files with 61 additions and 29 deletions
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86
src/VCBackend.cpp
View File

@ -65,6 +65,40 @@ int VCS::doVCCommand(string const & cmd, FileName const & path, bool reportError
}
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;
}
/////////////////////////////////////////////////////////////////////
//
// RCS
@ -329,31 +363,8 @@ string RCS::revisionInfo(LyXVC::RevisionInfo const info)
bool RCS::prepareFileRevision(string const &revis, string & f)
{
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);
}
}
if (!VCS::makeRCSRevision(version_, rev))
return false;
FileName tmpf = FileName::tempName("lyxvcrev_" + rev + "_");
if (tmpf.empty()) {
@ -922,15 +933,32 @@ string CVS::revisionInfo(LyXVC::RevisionInfo const info)
}
bool CVS::prepareFileRevision(string const &, string &)
bool CVS::prepareFileRevision(string const & revis, string & f)
{
return false;
string rev = revis;
if (!VCS::makeRCSRevision(version_, rev))
return false;
FileName tmpf = FileName::tempName("lyxvcrev_" + rev + "_");
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);
if (tmpf.isFileEmpty())
return false;
f = tmpf.absFileName();
return true;
}
bool CVS::prepareFileRevisionEnabled()
{
return false;
return true;
}
@ -1478,7 +1506,7 @@ bool SVN::prepareFileRevision(string const & revis, string & f)
FileName tmpf = FileName::tempName("lyxvcrev_" + revname + "_");
if (tmpf.empty()) {
LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
return N_("Error: Could not generate logfile.");
return false;
}
doVCCommand("svn cat -r " + revname + " "

4
src/VCBackend.h
View File

@ -91,6 +91,10 @@ protected:
/// parse information from the version file
virtual void scanMaster() = 0;
/// make a relative version identifier
/// suitable for RCS and CVS
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);
/**