V8.00.000.2025.06.17

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>

lib/cdi_0005_guard/0005_guard_sourcing.sh

@@ -16,23 +16,23 @@
 # Globals:
 #   BASH_SOURCE
 # Arguments:
-#   1: Explicitly provided Argument: filename of the caller LIB. (Better let the guard_sourcing() determine dynamically.)
+#   1: Explicitly provided Argument: filename of the caller LIB. (Better let the guard_sourcing || return "${ERR_GUARD_SOURCE}"() determine dynamically.)
 # Returns:
 #   0: Returns '0' in both cases as they are intended to be successful.
 #######################################
-guard_sourcing() {
+guard_sourcing || return "${ERR_GUARD_SOURCE}"() {
   ### Determine the caller script (the library being sourced).
-  declare var_src="${1:-${BASH_SOURCE[1]}}"
+  declare    var_src="${1:-${BASH_SOURCE[1]}}"
   ### Strip path, keep only the filename
-  declare var_file_name="${var_src##*/}"
+  declare    var_file_name="${var_src##*/}"
   ### Sanitize to valid var name.
-  declare var_safe_name="${var_file_name//[^a-zA-Z0-9_]/_}"
+  declare    var_safe_name="${var_file_name//[^a-zA-Z0-9_]/_}"
   ### Build guard-variable name.
-  declare var_guard_var="_${var_safe_name}_LOADED"
+  declare    var_guard_var="_${var_safe_name}_LOADED"
 
   ### If already loaded, abort sourcing
   if [[ -n "${!var_guard_var:-}" ]]; then
-    return 0
+    return "${ERR_GUARD_SOURCE}"
   fi
 
   ### Mark as loaded (readonly + exported)
@@ -41,5 +41,5 @@ guard_sourcing() {
 }
 ### Prevents accidental 'unset -f'.
 # shellcheck disable=SC2034
-readonly -f guard_sourcing
+readonly -f guard_sourcing || return "${ERR_GUARD_SOURCE}"
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh