fixup

Author: mattiaswal

utils/kernel-upgrade.sh

@@ -263,10 +263,17 @@ update_changelog() {
         log_info "Updated existing kernel version entry to $NEW_VERSION"
     else
         # Add new kernel upgrade entry after first "### Changes"
-        # Find line number of first "### Changes" and insert after it
-        LINE_NUM=$(grep -n "^### Changes" doc/ChangeLog.md | head -1 | cut -d: -f1)
-        sed -i "${LINE_NUM}a\\
-- Upgrade Linux kernel to $NEW_VERSION (LTS)" doc/ChangeLog.md
+        # Use awk to insert at the right place
+        awk -v new_line="- Upgrade Linux kernel to $NEW_VERSION (LTS)" '
+            /^### Changes/ && !done {
+                print
+                print ""
+                print new_line
+                done=1
+                next
+            }
+            {print}
+        ' doc/ChangeLog.md > doc/ChangeLog.md.tmp && mv doc/ChangeLog.md.tmp doc/ChangeLog.md
         log_info "Added new kernel version entry: $NEW_VERSION"
     fi
 }