Optimize startup on versionLessThan function (#2979)

scripts/start-utils

@@ -161,9 +161,112 @@ function normalizeMemSize() {
  echo $((val * scale))
 }
 
+function compare_version() {
+ local left_version=$1
+ local comparison=$2
+ local right_version=$3
+
+ if [[ -z "$left_version" ]]; then
+ echo "Left version is required"
+ return 1
+ fi
+
+ if [[ -z "$right_version" ]]; then
+ echo "Right version is required"
+ return 1
+ fi
+
+ # Handle version channels ('a', 'b', or numeric)
+ if [[ $left_version == a* || $left_version == b* ]]; then
+ left_version=${left_version:1}
+ fi
+
+ if [[ $right_version == a* || $right_version == b* ]]; then
+ right_version=${right_version:1}
+ fi
+
+
+ local left_version_channel=${left_version:0:1}
+ if [[ $left_version_channel =~ [0-9] ]]; then
+ left_version_channel='r'
+ fi
+
+ local right_version_channel=${right_version:0:1}
+ if [[ $right_version_channel =~ [0-9] ]]; then
+ right_version_channel='r'
+ fi
+
+ if [[ $comparison == "lt" && $left_version_channel < $right_version_channel ]]; then
+ return 0
+ elif [[ $comparison == "lt" && $left_version_channel > $right_version_channel ]]; then
+ return 1
+ elif [[ $comparison == "gt" && $left_version_channel > $right_version_channel ]]; then
+ return 0
+ elif [[ $comparison == "gt" && $left_version_channel < $right_version_channel ]]; then
+ return 1
+ elif [[ $comparison == "le" && $left_version_channel < $right_version_channel ]]; then
+ return 0
+ elif [[ $comparison == "le" && $left_version_channel == $right_version_channel ]]; then
+ return 0
+ elif [[ $comparison == "ge" && $left_version_channel > $right_version_channel ]]; then
+ return 0
+ elif [[ $comparison == "ge" && $left_version_channel == $right_version_channel ]]; then
+ return 0
+ elif [[ $comparison == "eq" && $left_version_channel == $right_version_channel ]]; then
+ return 0
+ fi
+
+ # Compare the versions using sort -V
+ local result
+
+ case $comparison in
+ "lt")
+ if [[ $(echo -e "$left_version\n$right_version" | sort -V | head -n1) == "$left_version" && "$left_version" != "$right_version" ]]; then
+ result=0
+ else
+ result=1
+ fi
+ ;;
+ "le")
+ if [[ $(echo -e "$left_version\n$right_version" | sort -V | head -n1) == "$left_version" ]]; then
+ result=0
+ else
+ result=1
+ fi
+ ;;
+ "eq")
+ if [[ "$left_version" == "$right_version" ]]; then
+ result=0
+ else
+ result=1
+ fi
+ ;;
+ "ge")
+ if [[ $(echo -e "$left_version\n$right_version" | sort -V | tail -n1) == "$left_version" ]]; then
+ result=0
+ else
+ result=1
+ fi
+ ;;
+ "gt")
+ if [[ $(echo -e "$left_version\n$right_version" | sort -V | tail -n1) == "$left_version" && "$left_version" != "$right_version" ]]; then
+ result=0
+ else
+ result=1
+ fi
+ ;;
+ *)
+ echo "Unsupported comparison operator: $comparison"
+ return 1
+ ;;
+ esac
+
+ return $result
+}
+
 function versionLessThan() {
  # Use if-else since strict mode might be enabled
- if mc-image-helper compare-versions "${VERSION}" lt "${1?}"; then
+ if compare_version "${VERSION}" "lt" "${1?}"; then
  return 0
  else
  return 1