added a BibLaTeX-Biber option '--biber' in analogy to the bibtex option

git-latexdiff

@@ -46,6 +46,8 @@ Options:
     --no-view             don't display the resulting PDF file
     --bibtex, -b          run bibtex as well as latex
                              (pdflatex,bibtex,pdflatex,pdflatex)
+    --biber			          run BibLaTex-Biber as well as latex
+                             (pdflatex,bibtex,pdflatex,pdflatex)
     --view                view the resulting PDF file
                             (default if -o is not used)
     --pdf-viewer <cmd>    use <cmd> to view the PDF file (default: \$PDFVIEWER)
@@ -87,6 +89,7 @@ view=maybe
 cleanup=1
 verbose=0
 bibtex=0
+biber=0
 output=
 initial_dir=$PWD
 
@@ -120,6 +123,9 @@ while test $# -ne 0; do
 	"-b"|"--bibtex")
 	    bibtex=1
 	    ;;
+	"--biber")
+	    biber=1
+	    ;;
 	"--verbose"|"-v")
 	    verbose=1
 	    ;;
@@ -250,9 +256,14 @@ if test -f Makefile ; then
 else
     pdflatex --interaction errorstopmode "$mainbase" || compile_error=1
     if test "$bibtex" = 1 ; then
-	bibtex "$mainbase"  || compile_error=1
-	pdflatex --interaction errorstopmode "$mainbase" || compile_error=1
-	pdflatex --interaction errorstopmode "$mainbase" || compile_error=1
+			bibtex "$mainbase"  || compile_error=1
+			pdflatex --interaction errorstopmode "$mainbase" || compile_error=1
+			pdflatex --interaction errorstopmode "$mainbase" || compile_error=1
+    fi
+    if test "$biber" = 1 ; then
+			biber "$mainbase"  || compile_error=1
+			pdflatex --interaction errorstopmode "$mainbase" || compile_error=1
+			pdflatex --interaction errorstopmode "$mainbase" || compile_error=1
     fi
 fi