feat: simplify fzf scripts and extract FZF_DEFAULT_OPTS

bin/ssh-menu

@@ -4,72 +4,50 @@ function _ssh_menu_preview {
     file=$1; shift
     host=$1; shift
 
-    j=$(cat $file \
-        | jc --ssh-conf \
-        | jq -r ".[] \
-            | select(.host == \"$host\") \
-            | .jumps = (\
-                if (.proxyjump | type == \"array\" and length > 0) then \
-                    (.proxyjump | join(\",\")) \
-                else \
-                    \"null\" \
-                end \
-            )" \
-        )
-
-    user=$(jq -r '.user' <<<$j)
-    port=$(jq -r '.port' <<<$j)
-    hostname=$(jq -r '.hostname' <<<$j)
-    jumps=$(jq -r '.jumps' <<<$j)
-
-
-    echo "$(cat <<EOF
-User $user
-HostName $hostname\
-$([[ $port != "null" ]] && echo -e "\nPort $port")\
-$([[ $jumps != "null" ]] && echo -e "\nProxyJump $jumps")
-
-command:
-    ssh $user@$hostname$([[ $port != "null" ]] && echo -n " -p $port")$([[ $jumps != "null" ]] && echo -n " -J $jumps")
-EOF
-    )"
+    # show host block from ssh config
+    awk -v h="$host" '
+        $0 == "Host " h { found=1 }
+        found && /^[^ \t]/ && $0 != "Host " h { exit }
+        found
+    ' "$file"
 
     echo ""
 
-    if command -v host 2>&1 >/dev/null; then
-        host $hostname
+    # resolve hostname for reachability check
+    hostname=$(awk -v h="$host" '
+        $0 == "Host " h { found=1; next }
+        found && /^[^ \t]/ { exit }
+        found && /HostName/ { print $2 }
+    ' "$file")
+
+    if command -v host &>/dev/null; then
+        host "${hostname:-$host}"
         echo ""
     fi
 
-    ping -c 1 -W 1 $hostname &>/dev/null \
-        && echo "Host is reachable!" \
-        || echo "Host is not reachable!"
+    ping -c 1 -W 1 "${hostname:-$host}" &>/dev/null \
+        && echo "reachable" \
+        || echo "not reachable"
 }
 
 export -f _ssh_menu_preview
 
-function ssh-menu {
-    selected="$(rg -N --no-heading '^Host .*' ~/.ssh \
+function _ssh_menu_select {
+    rg -N --no-heading '^Host .*' ~/.ssh \
         | sed 's/Host \(.*\)/\1/' | sort \
-        | SHELL=$(which bash) fzf --cycle \
-            --bind 'tab:toggle-up,btab:toggle-down' \
+        | SHELL=$(which bash) fzf \
             --delimiter ':' \
             --with-nth 2 \
             --preview "_ssh_menu_preview {1} {2}" \
             --preview-label "ssh config info" \
-            --header "Navigate with ARROW KEYS or TAB/S-TAB. Select with ENTER." \
-            --border "double" \
             --border-label "ssh-menu" \
-            --ansi \
-            --highlight-line \
         | cut -d ":" -f2
-        )"
-
-    if [[ -z $selected ]]; then
-        return
-    fi
-
-    ssh "$selected"
 }
 
-ssh-menu
+case "${1:-}" in
+    -s) _ssh_menu_select ;;
+    *)
+        selected="$(_ssh_menu_select)"
+        [[ -n $selected ]] && ssh "$selected"
+        ;;
+esac