[fzf-tmux] Fix #200 - Double-quote handling

Related #199

bin/fzf-tmux

@@ -89,19 +89,27 @@ fi
 
 set -e
 
-# Build arguments to fzf
-[ ${#args[@]} -gt 0 ] && fzf_args=$(printf '\\"%s\\" ' "${args[@]}"; echo '')
-
 # Clean up named pipes on exit
 id=$RANDOM
+argsf=/tmp/fzf-args-$id
 fifo1=/tmp/fzf-fifo1-$id
 fifo2=/tmp/fzf-fifo2-$id
 fifo3=/tmp/fzf-fifo3-$id
 cleanup() {
-  rm -f $fifo1 $fifo2 $fifo3
+  rm -f $argsf $fifo1 $fifo2 $fifo3
 }
 trap cleanup EXIT SIGINT SIGTERM
 
+# Build arguments to fzf
+touch $argsf
+if [ ${#args[@]} -gt 0 ]; then
+  str=""
+  for arg in "${args[@]}"; do
+    str="$str \"${arg//\"/\\\"}\""
+  done
+  cat <<< "$str" > $argsf
+fi
+
 fail() {
   >&2 echo "$1"
   exit 1
@@ -117,11 +125,11 @@ mkfifo $fifo2
 mkfifo $fifo3
 if [ -n "$term" -o -t 0 ]; then
   tmux set-window-option -q synchronize-panes off \;\
-    split-window $opt "cd $(printf %q "$PWD");$envs"' sh -c "'$fzf' '"$fzf_args"' > '$fifo2'; echo \$? > '$fifo3' '"$close"'"' $swap
+    split-window $opt "cd $(printf %q "$PWD");$envs"' sh -c "'$fzf' $(cat '$argsf') > '$fifo2'; echo \$? > '$fifo3' '"$close"'"' $swap
 else
   mkfifo $fifo1
   tmux set-window-option -q synchronize-panes off \;\
-    split-window $opt "$envs"' sh -c "'$fzf' '"$fzf_args"' < '$fifo1' > '$fifo2'; echo \$? > '$fifo3' '"$close"'"' $swap
+    split-window $opt "$envs"' sh -c "'$fzf' $(cat '$argsf') < '$fifo1' > '$fifo2'; echo \$? > '$fifo3' '"$close"'"' $swap
   cat <&0 > $fifo1 &
 fi
 cat $fifo2