[Bug 717397] Re: package squid 2.7.STABLE7-1ubuntu12.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

Well, that's because the postinst isn't using the init script policy
layer.

if status squid | grep "start/running" > /dev/null; then
        restart squid
fi

if [ "$FIXLINES" = "false" ]; then
  echo "squid.conf contains 2.2.5 syntax - cache_dir directive - not starting "
  echo "Run 'dpkg-reconfigure -plow squid' to fix this automatically," 
  echo "or fix the 'cache_dir'-entry in your squid.conf manually." 
  echo "See documentation in /usr/share/doc/squid for nearer instructions."
else
  if status squid | grep "start/running" > /dev/null; then
        restart squid
  fi
fi

Why isn't this "invoke-rc.d squid restart" like it should be?  Also, the
fixlines check is pointless given that it's preceded by a squid restart
command.  This all seems to have been a wrong fix for bug #552360 and/or
bug #509307.

This ought to be fixed up in SRU, probably at the same time.

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https://bugs.launchpad.net/bugs/717397

Title:
  package squid 2.7.STABLE7-1ubuntu12.1 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1