Update change log & whitespace changes

Closes tmux-plugins#8

Author: Bruno Sutic

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 ### master
+- enable extensibility via search engines (@vasconcelloslf)
 
 ### v2.0.0, Nov 01, 2014
 - 'open editor' command can now open files that have spaces

open.tmux

@@ -36,10 +36,10 @@ command_generator() {
 }
 
 search_command_generator() {
-  local command_string="$1"
-  local engine="$2"
+	local command_string="$1"
+	local engine="$2"
 
-  echo "xargs -I {} tmux run-shell 'cd #{pane_current_path}; $command_string $engine\"{}\" > /dev/null'"
+	echo "xargs -I {} tmux run-shell 'cd #{pane_current_path}; $command_string $engine\"{}\" > /dev/null'"
 }
 
 generate_open_command() {
@@ -54,6 +54,7 @@ generate_open_command() {
 }
 
 generate_open_search_command() {
+	local engine="$1"
 	if is_osx; then
 		echo "$(search_command_generator "open" "$engine")"
 	elif command_exists "xdg-open"; then
@@ -95,17 +96,17 @@ set_copy_mode_open_editor_bindings() {
 }
 
 set_copy_mode_open_search_bindings() {
-  local stored_engine_vars="$(stored_engine_vars)"
-  local engine_var
-  local engine
-  local key
+	local stored_engine_vars="$(stored_engine_vars)"
+	local engine_var
+	local engine
+	local key
 
-  for engine_var in $stored_engine_vars; do
-    engine="$(get_engine "$engine_var")"
+	for engine_var in $stored_engine_vars; do
+		engine="$(get_engine "$engine_var")"
 
-    tmux bind-key -t vi-copy    "$engine_var" copy-pipe "$(generate_open_search_command "$engine")"
-    tmux bind-key -t emacs-copy "$engine_var" copy-pipe "$(generate_open_search_command "$engine")"
-  done
+		tmux bind-key -t vi-copy    "$engine_var" copy-pipe "$(generate_open_search_command "$engine")"
+		tmux bind-key -t emacs-copy "$engine_var" copy-pipe "$(generate_open_search_command "$engine")"
+	done
 }
 
 main() {

scripts/helpers.sh

@@ -35,10 +35,10 @@ display_message() {
 }
 
 stored_engine_vars() {
-  tmux show-options -g | grep -i "^@open" | cut -d '-' -f2 | cut -d ' ' -f1 | xargs
+	tmux show-options -g | grep -i "^@open" | cut -d '-' -f2 | cut -d ' ' -f1 | xargs
 }
 
 get_engine() {
-  local engine_var="$1"
-  tmux show-options -g | grep -i "^@open-$engine_var" | cut -d ' ' -f2 | xargs
+	local engine_var="$1"
+	tmux show-options -g | grep -i "^@open-$engine_var" | cut -d ' ' -f2 | xargs
 }