[install] Always download binary when --pre is set

install

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
-version=0.10.1
-[[ "$@" =~ --pre ]] && version=0.10.2
+[[ "$@" =~ --pre ]] && version=0.10.2 pre=1 ||
+                       version=0.10.1 pre=0
 
 cd $(dirname $BASH_SOURCE)
 fzf_base=$(pwd)
@@ -46,12 +46,14 @@ symlink() {
 
 download() {
   echo "Downloading bin/fzf ..."
-  if [[ ! $1 =~ dev && -x "$fzf_base"/bin/fzf ]]; then
+  if [ $pre = 0 ]; then
+    if [ -x "$fzf_base"/bin/fzf ]; then
       echo "  - Already exists"
       check_binary && return
     elif [ -x "$fzf_base"/bin/$1 ]; then
       symlink $1 && check_binary && return
     fi
+  fi
   mkdir -p "$fzf_base"/bin && cd "$fzf_base"/bin
   if [ $? -ne 0 ]; then
     binary_error="Failed to create bin directory"