[Kel Modderman]
>> Most of these are bugs, but I suspect some of them should be handle
>> by defining new virtual provides in /etc/insserv.conf.d/. The
>> point is to provide a way for several scripts to provide the same
>> service while still having unique provides strings to avoid the
>> problems with duplicate provides. My proposal is to introduce at
>> least these:
>>
>> $mail-transport-agent - for the MTAs like exim, postfix, etc
>
> $mta or $mail maybe
Perhaps. I've checked the insserv source, and I believe - is allowed
in virtual facilities, and because of this propose to move ahead with
the full name $mail-transport-agent. It allow us to set the
precedence that the new virtual facilities should use the same name as
the virtual package dependency with a $ added to the front. I suspect
it would be useful in the future when deciding which name to use.
I proposed this untested patch for postfix to be the first to
implement it in #543472.
diff -uNr postfix-2.6.3/debian/init.d postfix-2.6.3-pere/debian/init.d
--- postfix-2.6.3/debian/init.d 2009-08-25 12:37:19.000000000 +0200
+++ postfix-2.6.3-pere/debian/init.d 2009-08-25 12:41:56.798914411 +0200
@@ -6,7 +6,7 @@
# based on sendmail's init.d script
### BEGIN INIT INFO
-# Provides: postfix mail-transport-agent
+# Provides: postfix
# Required-Start: $local_fs $remote_fs $syslog $named $network $time
# Required-Stop: $local_fs $remote_fs $syslog $named $network
# Should-Start: postgresql mysql clamav-daemon postgrey spamassassin
diff -uNr postfix-2.6.3/debian/postfix.dirs
postfix-2.6.3-pere/debian/postfix.dirs
--- postfix-2.6.3/debian/postfix.dirs 2009-08-25 12:37:19.000000000 +0200
+++ postfix-2.6.3-pere/debian/postfix.dirs 2009-08-25 12:45:01.225362312
+0200
@@ -1,5 +1,6 @@
DEBIAN
etc/init.d
+etc/insserv.conf.d
etc/ppp/ip-up.d
etc/ppp/ip-down.d
etc/network/if-up.d
diff -uNr postfix-2.6.3/debian/postfix.insserv.conf
+postfix-2.6.3-pere/debian/postfix.insserv.conf
--- postfix-2.6.3/debian/postfix.insserv.conf 1970-01-01 01:00:00.000000000
+0100
+++ postfix-2.6.3-pere/debian/postfix.insserv.conf 2009-08-25
12:42:45.055741452
++0200
@@ -0,0 +1 @@
+$mail-transport-agent postfix
diff -uNr postfix-2.6.3/debian/rules postfix-2.6.3-pere/debian/rules
--- postfix-2.6.3/debian/rules 2009-08-25 12:37:19.000000000 +0200
+++ postfix-2.6.3-pere/debian/rules 2009-08-25 12:44:01.427380791 +0200
@@ -133,6 +133,7 @@
install -m 0644 conf/main.cf.tls $(sharedir)/main.cf.tls
install -m644 debian/postfix.ufw.profile
debian/postfix/etc/ufw/applications.d/postfix
install -m644 debian/rsyslog.conf
debian/postfix/etc/rsyslog.d/postfix.conf
+ install -m644 debian/postfix.insserv.conf
debian/postfix/etc/insserv.conf.d/postfix
install man/man1/*.1 ${base}/usr/share/man/man1
install man/man5/*.5 ${base}/usr/share/man/man5
The way it is done is to add a file /etc/insserv.conf.d/packagename
with the fragment of the virtual dependency that the package want to
take responsibility for, in this case $mail-transport-agent is mapped
to a required dependency on postfix (no + in front mean hard
dependency). This should make it possible for packages to depend on
$mail-transport-agent.
This is the way I propose to use when several packages want to provide
the same service, and I post it here to get feedback and make the
proposal more known.
Happy hacking,
--
Petter Reinholdtsen
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