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#+TITLE: October 2021 News Post
#+DATE: 2021-10-25
#+AUTHOR: Cem Keylan
After a long absence during the summer and working my way through moving to
Berlin, I think it's the appropriate time to write a new blog post about the
changes that arrived to the distribution. I have started writing this post in
August, and now it's finished! Only a few months late. Since I have been holding
this post for so long, there are quite a numerous details to be discussed.
#+TOC: headlines 1 local
* Repository meta file
:PROPERTIES:
:CUSTOM_ID: repository-meta-file
:END:
You might have noticed that most packages now contain a file named =meta=. This
file contains a small description, license for the package, and the maintainer
information of the package. A sample meta file looks like the following:
#+begin_example
description: Carbs Packaging Tools
license: MIT
maintainer: Cem Keylan <cem@carbslinux.org>
#+end_example
Inclusion of this file makes it easier to query package information, as it is
now implemented inside the =cpt-search= utility. Running ~cpt-search -q~ puts
the utility in query mode, and makes use of the package descriptions when
searching for packages. Unlike the default operation mode, using the =-q= flag
makes the tool output in a pretty format, which is not meant to be parsed by
other tools. The format is similar to the output of =apt search=. Below is an
example of running ~cpt-search -q carbs~:
#+begin_example
baselayout@/home/cem/repos/main/core/baselayout 3-1
Carbs Linux base directories / scripts / configuration
carbs-docs@/home/cem/repos/main/core/carbs-docs 20201226-1
Carbs Linux documentation
carbs-init@/home/cem/repos/main/core/carbs-init 1.2.2-3
Carbs Linux init scripts
cl-utils@/home/cem/repos/main/core/cl-utils 1.0.1-1
Carbs Linux repository utilities
cpt@/home/cem/repos/main/core/cpt 6.2.0-1
Carbs Packaging Tools
#+end_example
The package manager library provides the =pkg_query_meta()= function to easily
parse the =meta= file, which is further explained in the package manager
documentation. Also see =cpt-search(1)= for more information on the flags and
their behaviours.
* Blake3 checksums
:PROPERTIES:
:CUSTOM_ID: blake3-checksums
:END:
The package manager now uses BLAKE3 to generate checksums, however this change
is backwards compatible, and does not break any old packages that are lying
about. If for some reason you need a package to have old SHA256 checksums, you
can generate the checksums using ~cpt-checksum -s~, which is what I'm using the
generate the checksums for the =cpt= package itself.
* Message of the Day files
:PROPERTIES:
:CUSTOM_ID: message-of-the-day-files
:END:
With the release of the version =6.1.0= of CPT, I have added a =MOTD= file for
displaying updates and important information from the repository. This file is a
simple plaintext file that should be present on the root of the repository, and
it is printed to the standard output during the =cpt-update= command.
* Adding the core repository to the tarball
:PROPERTIES:
:CUSTOM_ID: adding-the-core-repository-to-the-tarball
:END:
I am thinking of adding a copy of the =core= repository to the release tarballs.
By adding it, it will be a good incentive to remove the =git= package from the
tarball, and let the user choose which repository backend they want to install
(=git/fossil/rsync=) instead of enforcing =git=.
* Packaging Linux Kernel headers
:PROPERTIES:
:CUSTOM_ID: packaging-linux-kernel-headers
:END:
The kernel header files are now packaged from a separate source tarball that
/only/ contains the kernel headers so that the downloads are much smaller. For
comparison, the kernel tarball is sized ~110 Megabytes, while our header tarball
is 1.6 Megabytes. The sources for the headers can be found on
[[https://fossil.carbslinux.org/linux-headers]].
You can also fork the package and install LTS headers that are also provided by
this repository, if they better fit your needs.
* Website Update
:PROPERTIES:
:CUSTOM_ID: website-update
:END:
No blog post is complete without me butchering this website, trying to shove it
into a different static site generation software, breaking lots of links in the
process, and write it up here as if it were some sort of achievement or
something. I've switched to [[https://gohugo.io][Hugo]] this time, because it's obviously better(TM)
than using org-publish. Well, let's see how long my position on that will last.
I have created symlinks for the time being, but you will need to update your RSS
feeds for the blog and the news:
- [[https://carbslinux.org/blog/index.xml]]
- [[https://carbslinux.org/news/index.xml]]
I will also no longer be serving plaintext pages, with the exception of the
installation guide. The documentation is available offline through =cpt= and
=carbs-docs= packages (in both multiple formats), and the website is clean
enough to be easily navigated through a terminal browser.
|
