lint SC2181: exit code indirect $? check removed

getssl

@@ -1071,8 +1071,8 @@ date_epoc() { # convert the date into epoch time
   if [[ "$os" == "bsd" ]]; then
     date -j -f "%b %d %T %Y %Z" "$1" +%s
   elif [[ "$os" == "mac" ]]; then
-    date -j 2>/dev/null
-    if [[ $? -eq 0 ]]; then # macOS uses older BSD style date.
+    if date -j 2>/dev/null;
+    then # macOS uses older BSD style date.
       date -j -f "%b %d %T %Y %Z" "$1" +%s
     else
       date -d "$1" +%s
@@ -1090,8 +1090,8 @@ date_fmt() { # format date from epoc time to YYYY-MM-DD
   if [[ "$os" == "bsd" ]]; then # uses older style date function.
     date -j -f "%s" "$1" +%F
   elif [[ "$os" == "mac" ]]; then # macOS uses older BSD style date.
-    date -j 2>/dev/null
-    if [[ $? -eq 0 ]]; then # macOS uses older BSD style date.
+    if date -j 2>/dev/null;
+    then # macOS uses older BSD style date.
       date -j -f "%s" "$1" +%F
     else
       date -d "@$1" +%F