Add TAB3 formatting var to core (#4496)

misc/alpine-install.func

@@ -17,6 +17,7 @@ color() {
   BFR="\\r\\033[K"
   BOLD=$(echo "\033[1m")
   TAB="  "
+  TAB3="      "
 
   # System
   RETRY_NUM=10

misc/build.func

@@ -32,6 +32,7 @@ color() {
   BOLD=$(echo "\033[1m")
   HOLD=" "
   TAB="  "
+  TAB3="      "
 
   # Icons
   CM="${TAB}✔️${TAB}"
@@ -528,16 +529,16 @@ advanced_settings() {
     exit_script
   fi
 
-
   BRIDGES=""
   IFACE_FILEPATH_LIST="/etc/network/interfaces"$'\n'$(find "/etc/network/interfaces.d/" -type f)
-  OLD_IFS=$IFS; IFS=$'\n'
+  OLD_IFS=$IFS
+  IFS=$'\n'
 
   for iface_filepath in ${IFACE_FILEPATH_LIST}; do
     iface_indexes_tmpfile=$(mktemp -q -u '.iface-XXXX')
 
-    ( grep -Pn '^\s*iface' "${iface_filepath}" | cut -d':' -f1 && wc -l "${iface_filepath}" | cut -d' ' -f1 ) | \
-    awk 'FNR==1 {line=$0; next} {print line":"$0-1; line=$0}' > "${iface_indexes_tmpfile}"
+    (grep -Pn '^\s*iface' "${iface_filepath}" | cut -d':' -f1 && wc -l "${iface_filepath}" | cut -d' ' -f1) |
+      awk 'FNR==1 {line=$0; next} {print line":"$0-1; line=$0}' >"${iface_indexes_tmpfile}"
 
     if [ -f "${iface_indexes_tmpfile}" ]; then
       while read -r pair; do
@@ -549,7 +550,7 @@ advanced_settings() {
           BRIDGES="${iface_name}"$'\n'"${BRIDGES}"
         fi
 
-        done < "${iface_indexes_tmpfile}"
+      done <"${iface_indexes_tmpfile}"
       rm -f "${iface_indexes_tmpfile}"
     fi
 
@@ -974,7 +975,6 @@ config_file() {
     fi
   fi
 
-
   if [[ ! -z "$APT_CACHER_IP" ]]; then
     if [[ "$APT_CACHER_IP" =~ $ip_regex ]]; then
       APT_CACHER="yes"

misc/install.func

@@ -19,6 +19,7 @@ color() {
   BOLD=$(echo "\033[1m")
   HOLD=" "
   TAB="  "
+  TAB3="      "
 
   # System
   RETRY_NUM=10