More on pandoc pdf exporter

Author: thomasjm

modules/exporters/pandoc/pdf.nix

@@ -1,4 +1,5 @@
 { callPackage
+, coreutils
 , pandoc
 , texliveToUse
 }:
@@ -18,8 +19,16 @@ common.writeShellScriptBinWithAttrs {
 } "export" ''
   echo_and_run() { echo "$*" ; "$@" ; }
   echo_and_run export PATH="''${PATH:+''${PATH}:}${pandoc}/bin:${texliveToUse}/bin"
-  echo_and_run ${pandoc}/bin/pandoc -f markdown+tex_math_dollars+tex_math_single_backslash+raw_html+smart \
-    -t pdf \
-    "$1" \
-    "-o" "$2"
+
+  filename=$(${coreutils}/bin/basename -- "$2")
+  EXTENSION="''${filename##*.}"
+  FILENAME="''${filename%.*}"
+
+  echo "Got extension: $EXTENSION"
+  EXTRA_ARGS=""
+  if [[ "$EXTENSION" == "md" ]]
+    EXTRA_ARGS="-f markdown+tex_math_dollars+tex_math_single_backslash+raw_html+smart"
+  fi
+
+  echo_and_run ${pandoc}/bin/pandoc $EXTRA_ARGS -t pdf "$1" -o "$2"
 ''