Minor tweaks to vars

bin/compile

@@ -31,11 +31,10 @@ VENDOR_DIR="$BUILD_DIR/vendor"
 INSTALL_DIR="$VENDOR_DIR/gs/bin"
 mkdir -p $INSTALL_DIR
 INSTALL_FILE="$INSTALL_DIR/gs"
+CACHE_FILE="$CACHE_DIR/gs"
 PACKAGE_DIR="ghostscript-$GHOSTSCRIPT_VERSION-linux-x86_64"
 PACKAGE_FILE="$PACKAGE_DIR.tgz"
 PACKAGE_URL="https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/download/gs$GHOSTSCRIPT_VERSION_NUMBERS_ONLY/$PACKAGE_FILE"
-CACHE_FILE="$CACHE_DIR/gs"
-DOWNLOADED_BIN_FILE="$VENDOR_DIR/$PACKAGE_DIR/gs-$GHOSTSCRIPT_VERSION_NUMBERS_ONLY-linux-x86_64"
 
 if [ ! -f $CACHE_FILE ]; then
   echo "-----> Downloading Ghostscript from $PACKAGE_URL"
@@ -51,7 +50,7 @@ if [ ! -f $CACHE_FILE ]; then
   tar xvf $VENDOR_DIR/$PACKAGE_FILE | indent
 
   echo "-----> Caching Ghostscript installation"
-  mv $DOWNLOADED_BIN_FILE $CACHE_FILE
+  mv $VENDOR_DIR/$PACKAGE_DIR/gs-$GHOSTSCRIPT_VERSION_NUMBERS_ONLY-linux-x86_64 $CACHE_FILE
 fi
 
 echo "-----> Copying binaries"