tmux: Enable mouse wheel scrolling by default

packages/tmux/build.sh

@@ -2,6 +2,7 @@ TERMUX_PKG_HOMEPAGE=http://tmux.github.io/
 TERMUX_PKG_DESCRIPTION="Terminal multiplexer implementing switching between several programs in one terminal, detaching them and reattaching them to a different terminal"
 TERMUX_PKG_DEPENDS="ncurses, libevent, libutil"
 TERMUX_PKG_VERSION=2.1
+TERMUX_PKG_BUILD_REVISION=1
 TERMUX_PKG_SRCURL=https://github.com/tmux/tmux/releases/download/${TERMUX_PKG_VERSION}/tmux-${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_BUILD_IN_SRC=yes
 

packages/tmux/tmux.conf

@@ -1,2 +1,7 @@
 set -g mouse on
 set -s escape-time 0
+
+# Version 2.1 of tmux removed mouse wheel scrolling support by default,
+# but these two lines from https://github.com/tmux/tmux/issues/145 add it back:
+bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'"
+bind -n WheelDownPane select-pane -t= \; send-keys -M