refactor: add regularity to spaces

1) switch all the miscellaneous indentation to 4 spaces

2) remove the space before the parenthesis of function

3) add indentation inside of if

4) remove miscellaneous spaces at the end of lines

zfs-inplace-rebalancing.sh

@@ -30,14 +30,13 @@ function print_usage() {
 }
 
 # print a given text entirely in a given color
-function color_echo () {
+function color_echo() {
     color=$1
     text=$2
     echo -e "${color}${text}${Color_Off}"
 }
 
-
-function get_rebalance_count () {
+function get_rebalance_count() {
     file_path=$1
 
     line_nr=$(grep -xF -n "${file_path}" "./${rebalance_db_file_name}" | head -n 1 | cut -d: -f1)
@@ -53,7 +52,7 @@ function get_rebalance_count () {
 }
 
 # rebalance a specific file
-function rebalance () {
+function rebalance() {
     file_path=$1
 
     # check if file has >=2 links in the case of --skip-hardlinks
@@ -89,7 +88,7 @@ function rebalance () {
     fi
 
     current_index="$((current_index + 1))"
-    progress_percent=$(printf '%0.2f' "$((current_index*10000/file_count))e-2")
+    progress_percent=$(printf '%0.2f' "$((current_index * 10000 / file_count))e-2")
     color_echo "${Cyan}" "Progress -- Files: ${current_index}/${file_count} (${progress_percent}%)"
 
     if [[ ! -f "${file_path}" ]]; then
@@ -195,8 +194,8 @@ function rebalance () {
         line_nr=$(grep -xF -n "${file_path}" "./${rebalance_db_file_name}" | head -n 1 | cut -d: -f1)
         if [ -z "${line_nr}" ]; then
             rebalance_count=1
-        echo "${file_path}" >> "./${rebalance_db_file_name}"
-        echo "${rebalance_count}" >> "./${rebalance_db_file_name}"
+            echo "${file_path}" >>"./${rebalance_db_file_name}"
+            echo "${rebalance_count}" >>"./${rebalance_db_file_name}"
         else
             rebalance_count_line_nr="$((line_nr + 1))"
             rebalance_count="$((rebalance_count + 1))"
@@ -214,13 +213,13 @@ if [[ "$#" -eq 0 ]]; then
     exit 0
 fi
 
-while true ; do
+while true; do
     case "$1" in
-        -h | --help )
+    -h | --help)
         print_usage
         exit 0
         ;;
-        -c | --checksum )
+    -c | --checksum)
         if [[ "$2" == 1 || "$2" =~ (on|true|yes) ]]; then
             checksum_flag="true"
         else
@@ -228,7 +227,7 @@ while true ; do
         fi
         shift 2
         ;;
-        --skip-hardlinks )
+    --skip-hardlinks)
         if [[ "$2" == 1 || "$2" =~ (on|true|yes) ]]; then
             skip_hardlinks_flag="true"
         else
@@ -236,7 +235,7 @@ while true ; do
         fi
         shift 2
         ;;
-        -p | --passes )
+    -p | --passes)
         passes_flag=$2
         shift 2
         ;;
@@ -244,7 +243,7 @@ while true ; do
         break
         ;;
     esac
-done;
+done
 
 root_path=$1