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Re: regex in apt preferences

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On Tue, 8 May 2018, Abdullah Ramazanoğlu wrote:

> On Mon, 7 May 2018 08:26:35 +0000 (UTC) David Griffith said:
>
>> Package: *systemd*
>> Pin: release *
>> Pin-Priority: -1
>>
>> This will prevent anything requiring systemd from being accidentally
>> installed.  This also prevents libsystemd0 from being updated.
>
> Package: *systemd*
> Pin: release *
> Pin-Priority: -1
>
> Package: libsystemd0
> Pin: release a=testing
> Pin-Priority: 500
>
> Second entry overrides the first one, so all *systemd* packages except
> libsystemd0 are given -1 priority.

Through trial and error, I found that these worked in this order:

Package: libsystemd0
Pin: release *
Pin-Priority: 500

Package: *systemd*
Pin: release *
Pin-Priority: -1

In the order as you describe, EVERYTHING matching *systemd* was blocked, 
with no allowance for libsystemd0.

When I followed your suggestion, I got this:
 	0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
I have no clue what package is "not upgraded".  Reversing the order of the 
pins did nothing.


-- 
David Griffith
dave@661.org

A: Because it fouls the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?

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regex in apt preferences David Griffith <dave@661.org> - 2018-05-07 10:30 +0200
  Re: regex in apt preferences Abdullah Ramazanoğlu <ar018@yahoo.com> - 2018-05-08 00:20 +0200
  Re: regex in apt preferences Abdullah Ramazanoğlu <ar018@yahoo.com> - 2018-05-08 00:20 +0200
    Re: regex in apt preferences David Griffith <dave@661.org> - 2018-05-08 02:40 +0200
      Re: regex in apt preferences Abdullah Ramazanoğlu <ar018@yahoo.com> - 2018-05-08 03:30 +0200

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