WSJT-X/revision_utils.cpp
Bill Somerville f259ee2959 Abandon getting changeset revision number from svn keyword expansion
Subversion keyword expansion of $Rev:$ in  a file is hopeless as it is
impossible to  coordinate with  a release. Revert  to an  empty string
when it can't be discovered with svn info etc..

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx-1.4@4983 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2015-02-21 22:28:08 +00:00

80 lines
1.9 KiB
C++

#include "revision_utils.hpp"
#include <cstring>
#include <QCoreApplication>
#include <QRegularExpression>
#include "svnversion.h"
namespace
{
QString revision_extract_number (QString const& s)
{
QString revision;
// try and match a number
QRegularExpression re {R"(^[$:]\w+: (\d+[^$]*)\$$)"};
auto match = re.match (s);
if (match.hasMatch ())
{
revision = 'r' + match.captured (1);
}
return revision;
}
}
QString revision (QString const& svn_rev_string)
{
QString result;
auto revision_from_svn = revision_extract_number (svn_rev_string);
#if defined (CMAKE_BUILD)
QString svn_info {":Rev: " WSJTX_STRINGIZE (SVNVERSION) " $"};
auto revision_from_svn_info = revision_extract_number (svn_info);
if (!revision_from_svn_info.isEmpty ())
{
// we managed to get the revision number from svn info etc.
result = revision_from_svn_info;
}
else if (!revision_from_svn.isEmpty ())
{
// fall back to revision passed in if any
result = revision_from_svn;
}
else
{
// match anything
QRegularExpression re {R"(^[$:]\w+: ([^$]*)\$$)"};
auto match = re.match (svn_info);
if (match.hasMatch ())
{
result = match.captured (1);
}
}
#else
if (!revision_from_svn.isEmpty ())
{
// not CMake build so all we have is revision passed
result = revision_from_svn;
}
#endif
return result.trimmed ();
}
QString program_title (QString const& revision)
{
#if defined (CMAKE_BUILD)
QString id {QCoreApplication::applicationName () + " v" WSJTX_STRINGIZE (WSJTX_VERSION_MAJOR) "." WSJTX_STRINGIZE (WSJTX_VERSION_MINOR) "." WSJTX_STRINGIZE (WSJTX_VERSION_PATCH)};
# if defined (WSJTX_RC)
id += "-rc" WSJTX_STRINGIZE (WSJTX_RC);
# endif
#else
QString id {"WSJT-X v1.4";
#endif
return id + " " + revision + " by K1JT";
}