fixup! makefile: add command release-tag for generating a release git tag

Author: ffranr

scripts/get-git-tag-name.sh

@@ -53,11 +53,17 @@ get_git_tag_name() {
   # empty.
   if [ "$git_tag_include_status" = true ] && [ -n "$app_status" ]; then
       tag_name+="-${app_status}"
-  fi
 
-  # Append app_pre_release if it is not empty
-  if [ -n "$app_pre_release" ]; then
-      tag_name+=".${app_pre_release}"
+      # Append app_pre_release if it is not empty.
+      if [ -n "$app_pre_release" ]; then
+          tag_name+=".${app_pre_release}"
+      fi
+  else
+      # If the app_status field is not to be included, then append
+      # app_pre_release using a dash prefix.
+      if [ -n "$app_pre_release" ]; then
+          tag_name+="-${app_pre_release}"
+      fi
   fi
 
   echo "$tag_name"