added a way to mark set/bind/unbind commands as important in ~/.tmux.conf.local, closes #571

inspired by css, any set/bind/unbind command ending with #!important will be
executed honored, e.g.:

bind-key -T copy-mode-vi Escape send-keys -X clear-selection #!important

.tmux.conf

@@ -165,13 +165,9 @@ bind p paste-buffer  # paste from the top paste buffer
 bind P choose-buffer # choose which buffer to paste from
 
 
-# -- user defined overrides ----------------------------------------------------
-
-source -q ~/.tmux.conf.local
-
-
 # -- 8< ------------------------------------------------------------------------
 
+source -q ~/.tmux.conf.local
 run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 
 
@@ -719,22 +715,22 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #   _split_window_ssh "$@"
 # }
 #
-# _apply_overrides() {
+# _apply_24b() {
 #   tmux_conf_theme_24b_colour=${tmux_conf_theme_24b_colour:-auto}
 #   tmux_conf_24b_colour=${tmux_conf_24b_colour:-$tmux_conf_theme_24b_colour}
 #   if [ x"$tmux_conf_24b_colour" = x"auto" ]; then
 #     case "$COLORTERM" in
 #       truecolor|24bit)
-#         apply_overrides=true
+#         apply_24b=true
 #         ;;
 #     esac
-#     if [ x"$apply_overrides" = x"" ] && [ x"$(tput colors)" = x"16777216" ]; then
+#     if [ x"$apply_24b" = x"" ] && [ x"$(tput colors)" = x"16777216" ]; then
-#       apply_overrides=true
+#       apply_24b=true
 #     fi
 #   elif _is_true "$tmux_conf_24b_colour"; then
-#     apply_overrides=true
+#     apply_24b=true
 #   fi
-#   if [ x"$apply_overrides" = x"true" ]; then
+#   if [ x"$apply_24b" = x"true" ]; then
 #     case "$TERM" in
 #       screen-*|tmux-*)
 #         ;;
@@ -1453,6 +1449,20 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #   tmux run -b "cut -c3- ~/.tmux.conf | sh -s __apply_plugins \"$window_active\" \"$tmux_conf_update_plugins_on_launch\" \"$tmux_conf_update_plugins_on_reload\" \"$tmux_conf_uninstall_plugins_on_reload\""
 # }
 #
+# _apply_important() {
+#   cfg=$(mktemp) && trap 'rm -f $cfg*' EXIT
+#
+#   if perl -n -e 'print if /^\s*(?:set|bind|unbind).+?#!important\s*$/' ~/.tmux.conf.local 2>/dev/null > "$cfg.local"; then
+#     if ! tmux source-file "$cfg.local"; then
+#       verbose_flag=$(tmux source-file -v /dev/null 2> /dev/null && printf -- '-v' || true)
+#       while ! out=$(tmux source-file "$verbose_flag" "$cfg.local"); do
+#         line=$(printf "%s" "$out" | tail -1 | cut -d':' -f2)
+#         perl -n -i -e "if ($. != $line) { print }" "$cfg.local"
+#       done
+#     fi
+#   fi
+# }
+#
 # _apply_configuration() {
 #
 #   window_active="$(tmux display -p '#{window_active}' 2>/dev/null || true)"
@@ -1495,15 +1505,16 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #       ;;
 #   esac
 #
-#   _apply_overrides
+#   _apply_24b
 #   _apply_theme&
 #   _apply_bindings&
-#
-#   # shellcheck disable=SC2046
-#   tmux setenv -gu tmux_conf_dummy $(printenv | grep -E -o '^tmux_conf_[^=]+' | awk '{printf "; setenv -gu %s", $0}')
 #   wait
 #
 #   _apply_plugins
+#   _apply_important
+#
+#   # shellcheck disable=SC2046
+#   tmux setenv -gu tmux_conf_dummy $(printenv | grep -E -o '^tmux_conf_[^=]+' | awk '{printf "; setenv -gu %s", $0}')
 # }
 #
 # _urlview() {

.tmux.conf.local

@@ -354,6 +354,9 @@ tmux_conf_copy_to_os_clipboard=false
 # set -g prefix C-a
 # bind C-a send-prefix
 
+# if you don't want Oh my tmux! to alter a binding, use #!important
+# bind v new-window -c #{pane_current_path} #!important
+
 # move status line to top
 #set -g status-position top