diff --git a/contrib/bash/polybar b/contrib/bash/polybar
index 22982d37..d8a40de6 100644
--- a/contrib/bash/polybar
+++ b/contrib/bash/polybar
@@ -1,94 +1,94 @@
 _polybar_config_file() {
-	local config_path=${XDG_CONFIG_HOME:-$HOME/.config}/polybar/config
+  local config_path=${XDG_CONFIG_HOME:-$HOME/.config}/polybar/config
 
-	for ((i = 0; i < COMP_CWORD; i++)); do
-		case ${COMP_WORDS[i]} in
-		--config)
-			config_path=${COMP_WORDS[i + 2]}
-			break
-			;;
-		-c)
-			config_path=${COMP_WORDS[i + 1]}
-			break
-			;;
-		esac
-	done
+  for ((i = 0; i < COMP_CWORD; i++)); do
+    case ${COMP_WORDS[i]} in
+    --config)
+      config_path=${COMP_WORDS[i + 2]}
+      break
+      ;;
+    -c)
+      config_path=${COMP_WORDS[i + 1]}
+      break
+      ;;
+    esac
+  done
 
-	# Use eval + cd for to get bash's parameter/tilde expansion etc
-	(eval cd $(dirname "$config_path"); echo $PWD/$(basename "$config_path"))
+  # Use eval + cd for to get bash's parameter/tilde expansion etc
+  (eval cd $(dirname "$config_path"); echo $PWD/$(basename "$config_path"))
 }
 
 _polybar_bars() {
-	local config_file=$(_polybar_config_file)
+  local config_file=$(_polybar_config_file)
 
-	if [ -r "$config_file" ]; then
-		grep -Po '\[bar/\K(.*)(?=\])' "$config_file"
-	fi
+  if [ -r "$config_file" ]; then
+    grep -Po '\[bar/\K(.*)(?=\])' "$config_file"
+  fi
 }
 
 _polybar() {
-	local options='-h --help
-	               -v --version
-	               -l --log=
-	               -q --quiet
+  local options='-h --help
+                 -v --version
+                 -l --log=
+                 -q --quiet
                  -c --config=
-	               -r --reload
-	               -d --dump=
-	               -m --list-monitors
-	               -M --list-all-monitors
-	               -w --print-wmname
-	               -s --stdout
-	               -p --png='
+                 -r --reload
+                 -d --dump=
+                 -m --list-monitors
+                 -M --list-all-monitors
+                 -w --print-wmname
+                 -s --stdout
+                 -p --png='
 
-	local log_levels='error
-	                  warning
-	                  info
-	                  trace'
+  local log_levels='error
+                    warning
+                    info
+                    trace'
 
-	COMPREPLY=()
+  COMPREPLY=()
 
-	local cur=${COMP_WORDS[COMP_CWORD]}
-	case "$cur" in
-	-*)
-		COMPREPLY=( $(compgen -W "$options" -- "$cur") )
-		;;
-	*)
-		local prev=${COMP_WORDS[COMP_CWORD - 1]}
-		if [ "$prev" = "=" ]; then
-			prev=${COMP_WORDS[COMP_CWORD - 2]}
-		fi
+  local cur=${COMP_WORDS[COMP_CWORD]}
+  case "$cur" in
+  -*)
+    COMPREPLY=( $(compgen -W "$options" -- "$cur") )
+    ;;
+  *)
+    local prev=${COMP_WORDS[COMP_CWORD - 1]}
+    if [ "$prev" = "=" ]; then
+      prev=${COMP_WORDS[COMP_CWORD - 2]}
+    fi
 
-		case "$prev" in
-		-l|--log)
-			COMPREPLY=( $(compgen -W "$log_levels" -- "$cur") )
-			return 0
-			;;
-		-c|--config)
-			COMPREPLY=( $(compgen -f "$cur") )
-			return 0
-			;;
-		-p|--png)
-			COMPREPLY=( $(compgen -f -X "!*.png" "$cur") )
-			return 0
-			;;
-		# TODO: read properties of the selected bar from config
-		-d|--dump)
-			return 0
-			;;
-		*)
-			COMPREPLY=( $(compgen -W "$options $(_polybar_bars)" -- "$cur") )
-			;;
-		esac
-	esac
+    case "$prev" in
+    -l|--log)
+      COMPREPLY=( $(compgen -W "$log_levels" -- "$cur") )
+      return 0
+      ;;
+    -c|--config)
+      COMPREPLY=( $(compgen -f "$cur") )
+      return 0
+      ;;
+    -p|--png)
+      COMPREPLY=( $(compgen -f -X "!*.png" "$cur") )
+      return 0
+      ;;
+    # TODO: read properties of the selected bar from config
+    -d|--dump)
+      return 0
+      ;;
+    *)
+      COMPREPLY=( $(compgen -W "$options $(_polybar_bars)" -- "$cur") )
+      ;;
+    esac
+  esac
 
-	for ((i = 0; i < ${#COMPREPLY[@]}; i++)); do
-		case ${COMPREPLY[i]} in
-		--*=) ;;
-		-*) COMPREPLY[i]+=" "
-		esac
-	done
+  for ((i = 0; i < ${#COMPREPLY[@]}; i++)); do
+    case ${COMPREPLY[i]} in
+    --*=) ;;
+    -*) COMPREPLY[i]+=" "
+    esac
+  done
 
-	return 0
+  return 0
 }
 
 complete -o filenames -o noquote -o nospace -F _polybar polybar