diff --git a/plugins/common/functions b/plugins/common/functions
index d0e74c209..d377888b1 100755
--- a/plugins/common/functions
+++ b/plugins/common/functions
@@ -847,7 +847,7 @@ internal_get_app_urls() {
   declare desc="print an app's available urls"
   source "$PLUGIN_AVAILABLE_PATH/certs/functions"
   source "$PLUGIN_AVAILABLE_PATH/config/functions"
-  
+
   local APP="$2"
   local RAW_TCP_PORTS="$(get_app_raw_tcp_ports "$APP")"
   local URLS_FILE="$DOKKU_ROOT/$APP/URLS"
diff --git a/plugins/git/post-app-rename-setup b/plugins/git/post-app-rename-setup
index 960d10461..5ecec4cdb 100755
--- a/plugins/git/post-app-rename-setup
+++ b/plugins/git/post-app-rename-setup
@@ -13,7 +13,7 @@ trigger-git-post-app-rename-setup() {
   fi
 
   fn-plugin-property-clone "git" "$OLD_APP" "$NEW_APP"
-  fn-plugin-property-destroy "git" "$OLD_APP" 
+  fn-plugin-property-destroy "git" "$OLD_APP"
 }
 
 trigger-git-post-app-rename-setup "$@"
diff --git a/plugins/nginx-vhosts/command-functions b/plugins/nginx-vhosts/command-functions
index 21ed3ddc2..ff91b754a 100755
--- a/plugins/nginx-vhosts/command-functions
+++ b/plugins/nginx-vhosts/command-functions
@@ -95,7 +95,6 @@ cmd-nginx-show-config() {
   cat "$DOKKU_ROOT/$APP/nginx.conf"
 }
 
-
 cmd-nginx-validate-config() {
   declare desc="validates and optionally cleans up invalid nginx configurations"
   declare cmd="nginx:validate-config"
diff --git a/plugins/nginx-vhosts/functions b/plugins/nginx-vhosts/functions
index d46d1610d..0bc260837 100755
--- a/plugins/nginx-vhosts/functions
+++ b/plugins/nginx-vhosts/functions
@@ -453,7 +453,7 @@ nginx_build_config() {
         LISTENERS="$(plugn trigger network-get-listeners "$APP" "$PROC_TYPE" | xargs)"
         UPP_PROC_TYPE="${PROC_TYPE^^}"
         UPP_PROC_TYPE="${UPP_PROC_TYPE//-/_}"
-        SIGIL_PARAMS+=( "DOKKU_APP_${UPP_PROC_TYPE}_LISTENERS=$LISTENERS" )
+        SIGIL_PARAMS+=("DOKKU_APP_${UPP_PROC_TYPE}_LISTENERS=$LISTENERS")
       done <"$DOKKU_SCALE_FILE"
 
       if grep DOKKU_APP_LISTENERS "$NGINX_TEMPLATE"; then
diff --git a/plugins/nginx-vhosts/post-app-rename-setup b/plugins/nginx-vhosts/post-app-rename-setup
index 35f93e675..c7dad6cd6 100755
--- a/plugins/nginx-vhosts/post-app-rename-setup
+++ b/plugins/nginx-vhosts/post-app-rename-setup
@@ -11,7 +11,7 @@ trigger-nginx-vhosts-post-app-rename-setup() {
   declare OLD_APP="$1" NEW_APP="$2"
 
   fn-plugin-property-clone "nginx" "$OLD_APP" "$NEW_APP"
-  fn-plugin-property-destroy "nginx" "$OLD_APP" 
+  fn-plugin-property-destroy "nginx" "$OLD_APP"
   plugn trigger proxy-clear-config "$NEW_APP"
 }
 
diff --git a/plugins/ps/functions b/plugins/ps/functions
index df19f2565..9a53b57de 100755
--- a/plugins/ps/functions
+++ b/plugins/ps/functions
@@ -196,12 +196,12 @@ ps_scale() {
 
   # shellcheck disable=SC2015
   [[ ! -e $DOKKU_PROCFILE ]] && extract_procfile "$APP" "$IMAGE_TAG" >/dev/null 2>&1 || true
-  if [[ ! -e $DOKKU_SCALE_FILE ]] ; then
+  if [[ ! -e $DOKKU_SCALE_FILE ]]; then
     generate_scale_file "$APP" "$IMAGE_TAG" >/dev/null 2>&1
-  elif [[ -e $DOKKU_PROCFILE ]] ; then
+  elif [[ -e $DOKKU_PROCFILE ]]; then
     for PROC_NAME in $(procfile-util list --procfile "$DOKKU_PROCFILE"); do
       if ! grep -qE "^${PROC_NAME}=" "$DOKKU_SCALE_FILE"; then
-        echo "$PROC_NAME=0" >> "$DOKKU_SCALE_FILE"
+        echo "$PROC_NAME=0" >>"$DOKKU_SCALE_FILE"
       fi
     done
   fi
diff --git a/plugins/scheduler-docker-local/post-app-rename-setup b/plugins/scheduler-docker-local/post-app-rename-setup
index c810bc8db..7ce9297f9 100755
--- a/plugins/scheduler-docker-local/post-app-rename-setup
+++ b/plugins/scheduler-docker-local/post-app-rename-setup
@@ -10,7 +10,7 @@ trigger-scheduler-docker-local-post-app-rename-setup() {
   local APP_DIR="$DOKKU_ROOT/$NEW_APP"
 
   fn-plugin-property-clone "scheduler-docker-local" "$OLD_APP" "$NEW_APP"
-  fn-plugin-property-destroy "scheduler-docker-local" "$OLD_APP" 
+  fn-plugin-property-destroy "scheduler-docker-local" "$OLD_APP"
 }
 
 trigger-scheduler-docker-local-post-app-rename-setup "$@"
diff --git a/tests/unit/test_helper.bash b/tests/unit/test_helper.bash
index edf4994bb..dc29a93c0 100644
--- a/tests/unit/test_helper.bash
+++ b/tests/unit/test_helper.bash
@@ -217,7 +217,7 @@ assert_nonssl_domain() {
 assert_app_domain() {
   local domain=$1
   run /bin/bash -c "dokku domains:report $TEST_APP --domains-app-vhosts | tr \" \" \"\n\" | grep -xF ${domain}"
-  echo "app domains: $(dokku domains:report $TEST_APP --domains-app-vhosts | tr \" \" \"\n\" )"
+  echo "app domains: $(dokku domains:report $TEST_APP --domains-app-vhosts | tr \" \" \"\n\")"
   echo "output: $output"
   echo "status: $status"
   assert_output "${domain}"
@@ -262,8 +262,8 @@ assert_urls() {
   run /bin/bash -c "dokku urls $TEST_APP"
   echo "output: $output"
   echo "status: $status"
-  echo "urls:" "$(tr ' ' '\n' <<< "${urls}" | sort)"
-  assert_output < <(tr ' ' '\n' <<< "${urls}" | sort)
+  echo "urls:" "$(tr ' ' '\n' <<<"${urls}" | sort)"
+  assert_output < <(tr ' ' '\n' <<<"${urls}" | sort)
 }
 
 deploy_app() {