[LyX/master] GuiLog: Detect Biber for the GUI.

[Juergen Spitzmueller]

commit 8cadee45e9a6251fceb4bb07b216a2e1fbd8d0c2
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Mon Jan 2 12:00:10 2017 +0100

    GuiLog: Detect Biber for the GUI.
---
 src/frontends/qt4/GuiLog.cpp |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/frontends/qt4/GuiLog.cpp b/src/frontends/qt4/GuiLog.cpp
index 23ba276..97e19e3 100644
--- a/src/frontends/qt4/GuiLog.cpp
+++ b/src/frontends/qt4/GuiLog.cpp
@@ -23,6 +23,7 @@
 #include "support/docstring.h"
 #include "support/FileName.h"
 #include "support/gettext.h"
+#include "support/lstrings.h"
 
 #include <QDesktopServices>
 #include <QTextBrowser>
@@ -244,8 +245,12 @@ bool GuiLog::initialiseParams(string const & data)
                logTypeCO->addItem(qt_("LaTeX"), toqstr(logtype));
                FileName tmp = log;
                tmp.changeExtension("blg");
-               if (tmp.exists())
-                       logTypeCO->addItem(qt_("BibTeX"), QString("bibtex"));
+               if (tmp.exists()) {
+                       if (support::contains(tmp.fileContents("UTF-8"), 
from_ascii("This is Biber")))
+                               logTypeCO->addItem(qt_("Biber"), 
QString("bibtex"));
+                       else
+                               logTypeCO->addItem(qt_("BibTeX"), 
QString("bibtex"));
+               }
                tmp.changeExtension("ilg");
                if (tmp.exists())
                        logTypeCO->addItem(qt_("Index"), QString("index"));