Comment # 2 on bug 907702 from Stanislav Brabec

I fixed the script.

Testcases:

Before each test case, I removed apcupsd. Then I did the config change and
installed apcupsd.

1) no /etc/sysconfig/shutdown

No config, nothing to do. No message. Test OK.

2) echo 'HALT_POWERDWN_INSERT=""' >/etc/sysconfig/shutdown

Config exists, but the line in question does not. No message. Test OK.

3) echo 'HALT_POWERDOWN_INSERT="/etc/init.d/apcupsd try-powerdown"'
>/etc/sysconfig/shutdown

Config exists, old line exists. Line is correctly changed. No message. Test OK.

4) echo 'HALT_POWERDOWN_INSERT=""' >/etc/sysconfig/shutdown

Config exists, variable is already empty. No message. Test OK.

5) echo 'HALT_POWERDOWN_INSERT="wrong"' >/etc/sysconfig/shutdown

Config exists, variable contains unknown value. Message:

apcupsd: WARNING: Unknown value of HALT_POWERDOWN_INSERT in
/etc/sysconfig/shutdown.
         Keeping unchanged. If it still exists, it should be:
HALT_POWERDOWN_INSERT=""

Test OK.

I am submitting the fix to Factory only. The message has no side effects.