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Re: Service refactoring
From: |
Ludovic Courtès |
Subject: |
Re: Service refactoring |
Date: |
Thu, 10 Sep 2015 18:14:21 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
The ‘wip-service-refactor’ currently does the easy part of the service
refactoring, which essentially turns the service procedures into regular
procedures (rather than monadic procedures.)
I think it’s important because it allows users to ‘map’ over
%base-services, for instance, possibly replacing some of the entries,
without actually touching the store (whereas currently, one would first
have to “bind” each item of %base-services, possibly affecting the
store.)
It also makes it easier for newcomers to fiddle with services in their
OS config file.
To do so, the branch adds a few “file-like objects” that really are just
counterparts of existing monadic procedures:
• ‘computed-file’ returns an object with the same meaning as a
‘gexp->derivation’ call;
• ‘program-file’ is the declarative counterpart of ‘gexp->script’.
These objects can be used anywhere in a gexp, which is probably going to
be useful in other places.
--8<---------------cut here---------------start------------->8---
+ 56d3d68 system: Make service procedures non-monadic.
+ 807d34a gexp: Add 'mixed-text-file'.
+ 03d2914 gexp: Add 'program-file'.
+ 82ad249 gexp: Add 'computed-file'.
+ 7dfa966 services: 'mingetty-service' no longer takes monadic values.
--8<---------------cut here---------------end--------------->8---
More to come!
Ludo’.
- [PATCHES] Get elogind-service working as intended, Mark H Weaver, 2015/09/03
- Re: Service refactoring, Ludovic Courtès, 2015/09/20
- Re: Service refactoring, Andy Wingo, 2015/09/21
- Re: Service refactoring, Ludovic Courtès, 2015/09/21
- Re: Service refactoring, Thompson, David, 2015/09/23
- Re: Service refactoring, Ludovic Courtès, 2015/09/24
- Re: Service refactoring, 宋文武, 2015/09/24
- Re: Service refactoring, Ludovic Courtès, 2015/09/24
- Re: Service refactoring, Christopher Allan Webber, 2015/09/25
- Re: Service refactoring, Ludovic Courtès, 2015/09/26
Re: [PATCHES] Get elogind-service working as intended, Ludovic Courtès, 2015/09/10