Re: Creating an Emacs Home Configuration Service

[Zain Jabbar]

Aloha All,

Thank you for your input! It's all been very constructive. I will do
my best on that patch.

On Wed, Oct 19, 2022 at 10:56 AM <jbranso@dismail.de> wrote:
>
> October 19, 2022 4:25 PM, "Zain Jabbar" <zaijab2000@gmail.com> wrote:
>
> > Aloha All,
> >
> > Thank you for your insightful messages. Sorry my code did not work as
> > smoothly as I would have liked. I have a =home-environment= definition
> > that hopefully works for you. You can put everything into one
> > configuration as you described. I do that in the following source
> > block. For some reason I liked the idea of separate definitions of
> > each package, so that Guile and Guix Home kind of acts like a
> > =use-package= declaration. Though that was needless abstraction on my
> > end.
>
> I do not know if it is a needless abstraction.  I am just bouncing ideas
> around with you.  :)
>
> >
> > #+BEGIN_SRC scheme
> > (use-modules (srfi srfi-1)
> > (ice-9 pretty-print)
> > (gnu home)
> > (gnu packages)
> > (gnu services)
> > (gnu home services)
> > (gnu services configuration)
> > (guix gexp)
> > (guix transformations))
> >
> > (define file-likes? (list-of file-like?))
> >
> > (define-configuration/no-serialization emacs-configuration
> > (emacs-packages
> > (file-likes (list (specification->package "emacs-next"))) "Files")
> > (early-init
> > (list '()) "Early-Init")
> > (init
> > (list '()) "Init"))
> >
> > (define-public emacs-configuration-service
> > (service-type (name (symbol-append 'emacs-configuration))
> > (extensions
> > (list (service-extension
> > home-profile-service-type
> > (lambda (config) (emacs-configuration-emacs-packages config)))
> > (service-extension
> > home-xdg-configuration-files-service-type
> > (lambda (config)
> > (list
> > `("emacs/init.el" ,(scheme-file "init.el"
> > (emacs-configuration-init config)
> > #:splice? #:t))
> > `("emacs/early-init.el" ,(scheme-file "early-init.el"
> > (emacs-configuration-early-init config)
> > #:splice? #:t)))))))
> > (default-value (emacs-configuration))
> > (description "Configures Emacs init.el")))
> >
> > (define-public minimal-home-environment
> > (home-environment
> > (services
> > (list
> > (service emacs-configuration-service
> > (emacs-configuration
> > (emacs-packages
> > (list
> > (specification->package "bash")
> > (specification->package "emacs-next")
> > (specification->package "emacs-debbugs")
> > (specification->package "emacs-evil")
> > (specification->package "emacs-paredit")
> > (specification->package "emacs-anzu")))
> > (init '((evil-mode 1)
> > ;; Please add more config here
> > ;; Begining of emacs init configuration after evil-mode 1
> >
> > ;; End emacs init configuration
> > ))
> > (early-init '((setq warning-suppress-log-types '((comp) (comp)))
> > (setq warning-suppress-types '((comp) (comp))))))))))) ; A
> > serious stack of pringles here
> >
> > minimal-home-environment
> > #+END_SRC
> >
> > I saved this file to =minimal-working-example.scm= and ran a container using
> > =guix home -N --share=/tmp container ./minimal-working-example.scm=.
> > This should spawn a shell in which you can run =emacs= (as terminal).
> > Furthermore we can also run the info help command and get to the
> > debbugs page.
> >
> > The =init= and =early-init= configuration options take in
> > S-Expressions not files. Under the hood the service uses =scheme-file=
> > which takes in an expression. I am open to suggestions for other file
> > mechanisms, like if, for example, G-Expressions are more natural here.
> > I found that I did not know how to naturally append G-Expressions
> > together and that the S-Expressions can "bleed" into the config using
> > backquotes. So I chose just sticking in a list of expressions for
> > Emacs. Something Andrew Tropin taught me, if you are working in a
> > =*.scm= file and you want to evaluate elisp, use =M-x eval-region= or
> > =M-x edit-indirect-region= (with the usual stipulation that if you do
> > this very often we can bind it to a key).
>
> I would say when you submit your service to guix-devel others will give
> you some options too.  I like the idea of S-expressions though.
>
>
> > If my interpretation of 13.1 Declaring the Home Environment is
> > correct, we should expect an error associated with XDG_RUNTIME_DIR as
> > the necessary variables will be set via the Operating-System
> > declaration. The next error I believe is emacs wanting to make a file
> > where the home container does not have read or write permissions. My
> > =guix home= declaration with the =share= parameter should hopefully
> > help with this error. Oddly enough if we do not specify the
> > installation of =bash=, Emacs says it cannot uncompress the info
> > manuals because there is no =sh=. That is why I included =bash= into
> > the emacs packages list. I do think a lot of these "solutions" will be
> > unncessecary if users were to use =guix home reconfigure= rather than
> > user the container. Though it's nice to debug them there.
>
> Thanks for the explanation!



-- 
Thank you,
Zain Jabbar