[Bug 687275] [NEW] Fix "graceful" action in init script when mod_chroot is enabled

[Daniel Hahler]

Public bug reported:

Binary package hint: apache2

The init script uses "$APACHE2CTL graceful $2" to gracefully
restart/reload Apache.

This will fail however when using mod_chroot (where Apache itself gets
chrooted), and therefore the init script should fallback to "restart" in
this case for "reload", "force-reload" and "graceful".

This might get done by adding the following code to "reload":
	if [ -f /etc/apache2/mods-enabled/mod_chroot.load ]; then
    # mod_chroot is loaded. "graceful" won't work.
		apache_restart
	else
		# normal reload code
	fi

The current block from "restart" would get abstracted into a
"apache_restart" function, which would get called in case mod_chroot is
loaded/enabled and for when "restart" itself is requested.

I have code like this in the "dpkg-old" init script, but do not remember
if I had written it myself.

This should get forwarded/applied to the Debian package, too - I'd just
like to get some feedback before forwarding it.

** Affects: apache2 (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/687275

Title:
  Fix "graceful" action in init script when mod_chroot is enabled