ytfzf: 1.0.1 -> 1.1.0

Prevent ytfzf from installing its own updates.
Add all programs that are possibly used in the script to $PATH.
A 10M increase in closure size seems very acceptable.

pkgs/tools/misc/ytfzf/no-update.patch

@@ -0,0 +1,30 @@
+diff --git a/ytfzf b/ytfzf
+index 5238682..c5c3a1a 100755
+--- a/ytfzf
++++ b/ytfzf
+@@ -757,23 +757,8 @@ clear_history () {
+ }
+ 
+ update_ytfzf () {
+-	branch="$1"
+-	updatefile="/tmp/ytfzf-update"
+-	curl -L "https://raw.githubusercontent.com/pystardust/ytfzf/$branch/ytfzf" -o "$updatefile"
+-
+-	if sed -n '1p' < "$updatefile" | grep -q '#!/bin/sh' ; then
+-		chmod 755 "$updatefile"
+-		if [ "$(uname)" = "Darwin" ]; then
+-			sudo cp "$updatefile" "/usr/local/bin/ytfzf"
+-		else
+-			sudo cp "$updatefile" "/usr/bin/ytfzf"
+-		fi
+-	else
+-		printf "%bFailed to update ytfzf. Try again later.%b" "$c_red" "$c_reset"
+-	fi
+-
+-	rm "$updatefile"
+-	exit
++	printf "%bUpdates have to be installed through Nix.%b\n" "$c_red" "$c_reset"
++	exit 1
+ }
+ 
+