for master_key in $master_keys; do
if $GPG_CMD --keyring $TMP_KEYRING --check-sigs --with-colons $add_key | grep ^sig | cut -d: -f5 | grep -q $master_key; then
$GPG --import $TMP_KEYRING
for master_key in $master_keys; do
if $GPG_CMD --keyring $TMP_KEYRING --check-sigs --with-colons $add_key | grep ^sig | cut -d: -f5 | grep -q $master_key; then
$GPG --import $TMP_KEYRING