Fix start-swank/start-slime

[aadcg]

Description

Closes #3153
Closes #3159

@jmercouris you can test connecting via slime by building the Flatpak from the git checkout.

@fosskers I'm not sure if you're able to test it, but I've tested with sly and it now works. Out of curiosity, how are getting Nyxt?

This PR has pre-requisites to be merged:

• Fix #470: Handle case when there is no emacs-connection. joaotavora/sly#619
• https://debbugs.gnu.org/cgi/bugreport.cgi?bug=66143
• https://debbugs.gnu.org/cgi/bugreport.cgi?bug=66722

If these won't be accepted in time, I'll patch the flatpak so that the fix lands in the next release on Monday.

Please do NOT merge.

[fosskers]

I was getting it as a prebuilt binary through Arch's package manager pacman. There is also a community-package version I could try that is based on the git master.

[aadcg]

@fosskers You can send this patch without the line relative to slime to the Arch maintainers to fix start-slynk/swank. This is a temporary measure until this PR is merged.

[aadcg]

Commands start-swank/slynk are now fixed on Flathub. On Guix, they have always worked. In short, these commands work on all official means of distribution.

This PR is dependent on the acceptance of some patches. Once merged, the commands will work on platforms that install Nyxt via the .tar that bundles the CL dependencies as git submodules.

[fosskers]

Thank you! No rush though, I can wait.

[aadcg]

Unfortunately, zero progress. Knocking the same doors, waiting for responses.

[aadcg]

Waiting for the two patches sent to Guix to be accepted.

[aadcg]

Waiting on https://debbugs.gnu.org/cgi/bugreport.cgi?bug=66722 to be merged.

[aadcg]

The saga continues. I have now realized that yet another fix is needed. Waiting on slime/slime#797.

[aadcg]

Waiting on https://debbugs.gnu.org/cgi/bugreport.cgi?bug=67146, but this PR can be merged before the patch is accepted by Guix.

For those using nyxt-make-guix-cl-for-nyxt, please temporarily comment the line swank/exts at nyxt.asd. That won't be needed anymore as soon as the patch mentioned above is accepted.

[aadcg]

@fosskers the fix will land in the next Nyxt release. Please re-open #3153 in case you find issues.

[fosskers]

Thank you! I'll wait for the next release to be packaged by my distro and then reattempt the sly connections.