lots: shellcheck, streaming stuff, fixes

[distro-setup] / exim-nn-iptables

diff --git a/exim-nn-iptables b/exim-nn-iptables
index 119eaf0396daf3de56b2a6fdaed0b17505b1a167..67024c3f1622d894adca660d75a3077420f3798f 100755 (executable)
--- a/exim-nn-iptables
+++ b/exim-nn-iptables
@@ -17,11 +17,11 @@ trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" exit status: $?, PIPESTATUS: ${P
 # on the systemd automatic restart. Ugh. So, better to use Wants instead
 # and this.
 
-if !/usr/sbin/iptables -C OUTPUT -p tcp -m tcp --dport 25 -o veth1-mail -j REJECT &>/dev/null; then
+if ! /usr/sbin/iptables -C OUTPUT -p tcp -m tcp --dport 25 -o veth1-mail -j REJECT &>/dev/null; then
  /usr/sbin/iptables -I OUTPUT -p tcp -m tcp --dport 25 -o veth1-mail -j REJECT
 fi
 
 
-if !/usr/sbin/ip6tables -C OUTPUT -p tcp -m tcp --dport 25 -o veth1-mail -j REJECT &>/dev/null; then
+if ! /usr/sbin/ip6tables -C OUTPUT -p tcp -m tcp --dport 25 -o veth1-mail -j REJECT &>/dev/null; then
  /usr/sbin/ip6tables -I OUTPUT -p tcp -m tcp --dport 25 -o veth1-mail -j REJECT
 fi