util (restore-vars): work around "set -u" [lib: add "util.bgproc" for…

… "ble/util/bgproc"]
akinomyoga · Apr 3, 2023 · d60758a · d60758a
1 parent 4ed4fd4
commit d60758a
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/ble-core.sh b/ble-core.sh
@@ -63,11 +63,11 @@ function ble/util/save-arrs {
 }
 function ble/util/restore-vars {
   local __name __prefix=$1; shift
-  for __name; do eval "$__name=\"\$$__prefix$__name\""; done
+  for __name; do eval "$__name=\"\${$__prefix$__name-}\""; done
 }
 function ble/util/restore-arrs {
   local __name __prefix=$1; shift
-  for __name; do eval "$__name=(\"\${$__prefix$__name[@]}\")"; done
+  for __name; do eval "$__name=(\${$__prefix$__name[@]+\"\${$__prefix$__name[@]}\"})"; done
 }
 
 #%if !release