remove defensive assignments in dist/bin/scalac

Author: philwalk

dist/bin/scalac

@@ -60,21 +60,21 @@ classpathArgs () {
   # echo "sbt-intface: $SBT_INTF"
 
   toolchain=""
-  [ -n "${SCALA_LIB-}" ] && toolchain+="$SCALA_LIB$PSEP"
-  [ -n "${DOTTY_LIB-}" ] && toolchain+="$DOTTY_LIB$PSEP"
-  [ -n "${SCALA_ASM-}" ] && toolchain+="$SCALA_ASM$PSEP"
-  [ -n "${SBT_INTF-}" ] && toolchain+="$SBT_INTF$PSEP"
-  [ -n "${DOTTY_INTF-}" ] && toolchain+="$DOTTY_INTF$PSEP"
-  [ -n "${DOTTY_COMP-}" ] && toolchain+="$DOTTY_COMP$PSEP"
-  [ -n "${TASTY_CORE-}" ] && toolchain+="$TASTY_CORE$PSEP"
-  [ -n "${DOTTY_STAGING-}" ] && toolchain+="$DOTTY_STAGING$PSEP"
-  [ -n "${DOTTY_TASTY_INSPECTOR-}" ] && toolchain+="$DOTTY_TASTY_INSPECTOR$PSEP"
+  toolchain+="$SCALA_LIB$PSEP"
+  toolchain+="$DOTTY_LIB$PSEP"
+  toolchain+="$SCALA_ASM$PSEP"
+  toolchain+="$SBT_INTF$PSEP"
+  toolchain+="$DOTTY_INTF$PSEP"
+  toolchain+="$DOTTY_COMP$PSEP"
+  toolchain+="$TASTY_CORE$PSEP"
+  toolchain+="$DOTTY_STAGING$PSEP"
+  toolchain+="$DOTTY_TASTY_INSPECTOR$PSEP"
 
   # jine
-  [ -n "${JLINE_READER-}" ] && toolchain+="$JLINE_READER$PSEP"
-  [ -n "${JLINE_TERMINAL-}" ] && toolchain+="$JLINE_TERMINAL$PSEP"
-  [ -n "${JLINE_TERMINAL_JNA-}" ] && toolchain+="$JLINE_TERMINAL_JNA$PSEP"
-  [ -n "${JNA-}" ] && toolchain+="$JNA$PSEP"
+  toolchain+="$JLINE_READER$PSEP"
+  toolchain+="$JLINE_TERMINAL$PSEP"
+  toolchain+="$JLINE_TERMINAL_JNA$PSEP"
+  toolchain+="$JNA$PSEP"
 
   jvm_cp_args="-classpath \"$toolchain\""
 }