[Pkg-erlang-devel] Proposed new requirements for emacsen add-on packages
Danai SAE-HAN (韓達耐)
danai.sae-han at edpnet.be
Wed Jan 22 06:57:16 UTC 2014
It looks like your proposal is the best way forward, so I am in favour of
adding this dependency in all the Emacs-dependent packages.
On 20 January 2014 14:20, Stephane Crivisier <stephane at crivisier.fr> wrote:
> Stephane Crivisier
> On Mon, Jan 20, 2014 at 2:43 AM, Rob Browning <rlb at defaultvalue.org>wrote:
>> Recently I've been fixing some non-trivial problems I introduced in
>> emacsen-common 2.0.0 -- and to finish fixing them it looks like it may
>> be best to change (and augment) some of the add-on package requirements.
>> Originally, I'd really tried to make it so that as of emacsen-common
>> 2.*, add-on packages didn't have to depend on *anything*, but that's
>> proving difficult to unworkable, so I'm leaning toward adding a
>> requirement that add-on packages depend on "emacsen-common >= 2.0.8".
>> If it helps, emacsen-common is only about 140k installed.
>> Here's what I have so far from the hypothetical 2.0.8 changelog:
>> Require add-on packages to depend on emacsen-common >= 2.0.8.
>> This should be simpler and safer, and emacsen-common is only ~140k,
>> which shouldn't be too big a burden. One specific problem this solves
>> is the handling of /var/lib/emacsen-common -- in particular
>> /var/lib/emacsen-common/state/package/installed/* if/when
>> emacsen-common is purged. Without the dependency, emacsen-common
>> can't remove the tree without clobbering the state for every add-on,
>> but if emacsen-common can't remove it, who can?
>> It seems better to add this requirement for now (which should also
>> simplify the emacsen infrastructure in general), than to have every
>> add-on try to decide when it's safe to remove
>> /var/lib/emacsen-common/state/package (i.e. when they're the last
>> add-on being removed from the system).
>> This release changes the following requirements for add-on packages
>> (see debian-emacs-policy for the details):
>> - They must now depend on emacsen-common >= 2.0.8.
>> - They don't need to conflict with emacsen-common anymore.
>> - They don't need to guard their calls to emacs-install-package.
>> - They don't need to guard their calls to emacs-remove-package.
>> - They should no longer manage their package/installed/ file directly.
>> In addition emacsen flavor packages should now depend on
>> emacsen-common >= 2.0.8.
>> Thoughts? Strong objections?
>> (And for whatever it's worth, I've been posting some relevant bits to
>> debian-emacsen at lists.debian.org lately, but I imagined that many/most
>> of you aren't subscribed.)
>> Rob Browning
>> rlb @defaultvalue.org and @debian.org
>> GPG as of 2011-07-10 E6A9 DA3C C9FD 1FF8 C676 D2C4 C0F0 39E9 ED1B 597A
>> GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
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