V8.00.000.2025.06.17

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

lib/cdi_0005_guard/0008_guard_variable.sh

@@ -32,6 +32,9 @@ ensure_lowercase() {
   ref="${ref,,}"
   return 0
 }
+### Prevents accidental 'unset -f'.
+# shellcheck disable=SC2034
+readonly -f ensure_lowercase
 
 #######################################
 # Converts the value of a passed variable to uppercase.
@@ -53,6 +56,9 @@ ensure_uppercase() {
   ref="${ref^^}"
   return 0
 }
+### Prevents accidental 'unset -f'.
+# shellcheck disable=SC2034
+readonly -f ensure_uppercase
 
 #######################################
 # Removes leading and trailing spaces in the value.
@@ -75,6 +81,9 @@ ensure_trimmed() {
   ref="${ref%"${ref##*[![:space:]]}"}"
   return 0
 }
+### Prevents accidental 'unset -f'.
+# shellcheck disable=SC2034
+readonly -f ensure_trimmed
 
 #######################################
 # Resets the value of the variable to a default value if it is empty or contains only whitespace.
@@ -102,6 +111,9 @@ reset_to_default() {
   fi
   return 0
 }
+### Prevents accidental 'unset -f'.
+# shellcheck disable=SC2034
+readonly -f reset_to_default
 
 #######################################
 # Checks whether the content of a variable matches a specific regex.
@@ -129,4 +141,7 @@ assert_match() {
   fi
   return 0
 }
+### Prevents accidental 'unset -f'.
+# shellcheck disable=SC2034
+readonly -f assert_match
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh