diff --git a/scripts/set_tpm_path.sh b/scripts/set_tpm_path.sh
index 2229320..a241636 100755
--- a/scripts/set_tpm_path.sh
+++ b/scripts/set_tpm_path.sh
@@ -3,20 +3,20 @@
 default_tpm_path="$HOME/.tmux/plugins/"
 
 tpm_path_set() {
-    tmux show-environment -g TMUX_PLUGIN_MANAGER_PATH
+	tmux show-environment -g TMUX_PLUGIN_MANAGER_PATH
 }
 
 set_default_tpm_path() {
-    tmux set-environment -g TMUX_PLUGIN_MANAGER_PATH "$default_tpm_path"
+	tmux set-environment -g TMUX_PLUGIN_MANAGER_PATH "$default_tpm_path"
 }
 
 ensure_tpm_path() {
-    if ! tpm_path_set; then
-        set_default_tpm_path
-    fi
+	if ! tpm_path_set; then
+		set_default_tpm_path
+	fi
 }
 
 main() {
-    ensure_tpm_path
+	ensure_tpm_path
 }
 main
diff --git a/scripts/shared_functions.sh b/scripts/shared_functions.sh
index 6e22542..8beae6f 100644
--- a/scripts/shared_functions.sh
+++ b/scripts/shared_functions.sh
@@ -5,27 +5,27 @@ SHARED_TPM_PATH=""
 
 # sets a "global variable" for the current file
 shared_set_tpm_path_constant() {
-    SHARED_TPM_PATH=$(tmux show-environment -g TMUX_PLUGIN_MANAGER_PATH | cut -f2 -d=)
+	SHARED_TPM_PATH=$(tmux show-environment -g TMUX_PLUGIN_MANAGER_PATH | cut -f2 -d=)
 }
 
 shared_get_tpm_plugins_list() {
-    tmux show-option -gqv "$tpm_plugins_variable_name"
+	tmux show-option -gqv "$tpm_plugins_variable_name"
 }
 
 # Allowed plugin name formats:
 # 1. "git://github.com/user/plugin_name.git"
 # 2. "user/plugin_name"
 shared_plugin_name() {
-    local plugin=$1
-    # get only the part after the last slash, e.g. "plugin_name.git"
-    local plugin_basename=$(basename "$plugin")
-    # remove ".git" extension (if it exists) to get only "plugin_name"
-    local plugin_name=${plugin_basename%.git}
-    echo $plugin_name
+	local plugin=$1
+	# get only the part after the last slash, e.g. "plugin_name.git"
+	local plugin_basename=$(basename "$plugin")
+	# remove ".git" extension (if it exists) to get only "plugin_name"
+	local plugin_name=${plugin_basename%.git}
+	echo $plugin_name
 }
 
 shared_plugin_path() {
-    local plugin=$1
-    local plugin_name=$(shared_plugin_name "$plugin")
-    echo "$SHARED_TPM_PATH$plugin_name/"
+	local plugin=$1
+	local plugin_name=$(shared_plugin_name "$plugin")
+	echo "$SHARED_TPM_PATH$plugin_name/"
 }
diff --git a/scripts/source_plugins.sh b/scripts/source_plugins.sh
index 483ec7e..96f76c0 100755
--- a/scripts/source_plugins.sh
+++ b/scripts/source_plugins.sh
@@ -8,29 +8,29 @@ source "$CURRENT_DIR/shared_functions.sh"
 # Files are ran as executables.
 # No errors if the plugin dir does not exist.
 silently_source_all_tmux_files() {
-    local plugin_path=$1
-    local plugin_tmux_files="$plugin_path*.tmux"
-    for tmux_file in $plugin_tmux_files; do
-        # runs *.tmux file as an executable
-        $tmux_file >/dev/null 2>&1
-    done
+	local plugin_path=$1
+	local plugin_tmux_files="$plugin_path*.tmux"
+	for tmux_file in $plugin_tmux_files; do
+		# runs *.tmux file as an executable
+		$tmux_file >/dev/null 2>&1
+	done
 }
 
 source_plugin() {
-    local plugin=$1
-    local plugin_path=$(shared_plugin_path "$plugin")
-    silently_source_all_tmux_files "$plugin_path"
+	local plugin=$1
+	local plugin_path=$(shared_plugin_path "$plugin")
+	silently_source_all_tmux_files "$plugin_path"
 }
 
 source_plugins() {
-    local plugins=$(shared_get_tpm_plugins_list)
-    for plugin in $plugins; do
-        source_plugin "$plugin"
-    done
+	local plugins=$(shared_get_tpm_plugins_list)
+	for plugin in $plugins; do
+		source_plugin "$plugin"
+	done
 }
 
 main() {
-    shared_set_tpm_path_constant
-    source_plugins
+	shared_set_tpm_path_constant
+	source_plugins
 }
 main
diff --git a/scripts/sync_plugins.sh b/scripts/sync_plugins.sh
index 92858f4..0db265a 100755
--- a/scripts/sync_plugins.sh
+++ b/scripts/sync_plugins.sh
@@ -7,86 +7,86 @@ source "$CURRENT_DIR/shared_functions.sh"
 # TMUX messaging is weird. You only get a nice clean pane if you do it with
 # `run-shell` command.
 display_message() {
-    local message=$1
-    tmux run-shell "echo '$message'"
+	local message=$1
+	tmux run-shell "echo '$message'"
 }
 
 end_message() {
-    display_message ""
-    display_message "TMUX environment reloaded."
-    display_message ""
-    display_message "Done, press ENTER to continue."
+	display_message ""
+	display_message "TMUX environment reloaded."
+	display_message ""
+	display_message "Done, press ENTER to continue."
 }
 
 clone() {
-    local plugin=$1
-    cd $SHARED_TPM_PATH &&
-        git clone --recursive $plugin
+	local plugin=$1
+	cd $SHARED_TPM_PATH &&
+		git clone --recursive $plugin
 }
 
 # tries cloning:
 # 1. plugin name directly - works if it's a valid git url
 # 2. expands the plugin name to point to a github repo and tries cloning again
 clone_plugin() {
-    local plugin=$1
-    clone "$plugin" ||
-        clone "https://github.com/$plugin"
+	local plugin=$1
+	clone "$plugin" ||
+		clone "https://github.com/$plugin"
 }
 
 plugin_already_cloned() {
-    local plugin=$1
-    local plugin_path=$(shared_plugin_path "$plugin")
-    cd $plugin_path &&
-        git remote
+	local plugin=$1
+	local plugin_path=$(shared_plugin_path "$plugin")
+	cd $plugin_path &&
+		git remote
 }
 
 pull_changes() {
-    local plugin=$1
-    local plugin_path=$(shared_plugin_path "$plugin")
-    cd $plugin_path &&
-        git pull &&
-        git submodule update --init --recursive
+	local plugin=$1
+	local plugin_path=$(shared_plugin_path "$plugin")
+	cd $plugin_path &&
+		git pull &&
+		git submodule update --init --recursive
 }
 
 # pull new changes or clone plugin
 sync_plugin() {
-    local plugin=$1
-    if plugin_already_cloned "$plugin"; then
-        # plugin is already cloned - update it
-        display_message "Updating $plugin"
-        pull_changes "$plugin" &&
-            display_message "  $plugin update success" ||
-            display_message "  $plugin update fail"
-    else
-        # plugin wasn't cloned so far - clone it
-        display_message "Downloading $plugin"
-        clone_plugin "$plugin" &&
-            display_message "  $plugin download success" ||
-            display_message "  $plugin download fail"
-    fi
+	local plugin=$1
+	if plugin_already_cloned "$plugin"; then
+		# plugin is already cloned - update it
+		display_message "Updating $plugin"
+		pull_changes "$plugin" &&
+			display_message "  $plugin update success" ||
+			display_message "  $plugin update fail"
+	else
+		# plugin wasn't cloned so far - clone it
+		display_message "Downloading $plugin"
+		clone_plugin "$plugin" &&
+			display_message "  $plugin download success" ||
+			display_message "  $plugin download fail"
+	fi
 }
 
 sync_plugins() {
-    local plugins=$(shared_get_tpm_plugins_list)
-    for plugin in $plugins; do
-        sync_plugin "$plugin"
-    done
+	local plugins=$(shared_get_tpm_plugins_list)
+	for plugin in $plugins; do
+		sync_plugin "$plugin"
+	done
 }
 
 ensure_tpm_path_exists() {
-    mkdir -p $SHARED_TPM_PATH
+	mkdir -p $SHARED_TPM_PATH
 }
 
 reload_tmux_environment() {
-    tmux source-file ~/.tmux.conf >/dev/null 2>&1
+	tmux source-file ~/.tmux.conf >/dev/null 2>&1
 }
 
 main() {
-    reload_tmux_environment
-    shared_set_tpm_path_constant
-    ensure_tpm_path_exists
-    sync_plugins
-    reload_tmux_environment
-    end_message
+	reload_tmux_environment
+	shared_set_tpm_path_constant
+	ensure_tpm_path_exists
+	sync_plugins
+	reload_tmux_environment
+	end_message
 }
 main
diff --git a/tpm b/tpm
index 92199fa..58b0143 100755
--- a/tpm
+++ b/tpm
@@ -9,27 +9,27 @@ CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 # Put this in `.tmux.conf` to override the default:
 # `set-environment -g TMUX_PLUGIN_MANAGER_PATH "/some/other/path/"`
 set_tpm_path() {
-    $CURRENT_DIR/scripts/set_tpm_path.sh >/dev/null 2>&1
+	$CURRENT_DIR/scripts/set_tpm_path.sh >/dev/null 2>&1
 }
 
 # 1. Fetches plugin names from `@tpm_plugins` user variable.
 # 2. Creates full plugin path
 # 3. Sources all *.tmux files from each of the plugin directories
-#    - no errors raised if directory does not exist
+#	 - no errors raised if directory does not exist
 # Files are sourced as tmux config files, not as shell scripts!
 source_plugins() {
-    $CURRENT_DIR/scripts/source_plugins.sh >/dev/null 2>&1
+	$CURRENT_DIR/scripts/source_plugins.sh >/dev/null 2>&1
 }
 
 # Defines key binding:
 # prefix + I - downloads TPM plugins and reloads TMUX environment.
 set_tpm_key_binding() {
-    $CURRENT_DIR/scripts/key_binding.sh
+	$CURRENT_DIR/scripts/key_binding.sh
 }
 
 main() {
-    set_tpm_path
-    set_tpm_key_binding
-    source_plugins
+	set_tpm_path
+	set_tpm_key_binding
+	source_plugins
 }
 main