Packaging with Roast and Roast SCM

Hello!

In the iteration of all the changes for roast, we have finally released a new major version, 7.x series. Although, I really don't care much about the strictness of version numbers, this release brings a new addition, a feature flag called obs. This is OpenBuildService specific, and it allows it to become an alternative to obs-service-set_version + obs-service-obs_scm, hence, a combination of both services.

roast itself is using this to package itself to b-o-o using the following _service file configuration.

<services>
  <service name="roast_scm" mode="manual">
     <param name="url">https://codeberg.org/Rusty-Geckos/roast</param>
     <param name="revision">v7.1.1</param>
     <param name="versionrewriteregex">v(.*)</param>
     <param name="versionrewritepattern">${1}</param>
     <param name="changesgenerate">true</param>
     <param name="changesauthor">Soc Virnyl Estela</param>
     <param name="changesemail">uncomfyhalomacro@opensuse.org</param>
  </service>
  <service name="cargo_vendor" mode="manual">
     <param name="src">roast*.tar.zst</param>
     <param name="update">true</param>
  </service>
</services>

which can be seen here.

In the future, I will release a small video tutorial on how to use roast_scm for b-o-o.

Because the crate is written in Rust, I intentionally made it part of obs-service-cargo because of this PR which is now merged. With this, sources can now be fetched from git sources and vendored in just one XML file, like for obs-service-cargo itself:

<services>
  <service name="cargo_vendor" mode="manual">
    <param name="src">https://github.com/openSUSE-Rust/obs-service-cargo</param>
    <param name="update">true</param>
    <param name="versionrewriteregex">^v?(.*)</param>
    <param name="versionrewritepattern">${1}</param>
    <param name="changesgenerate">true</param>
    <param name="revision">master</param>
    <param name="changesauthor">Soc Virnyl Estela</param>
    <param name="changesemail">uncomfyhalomacro@opensuse.org</param>
  </service>
</services>

which can also be seen here.

Since I am one of the active Rust packagers in openSUSE, I plan to just switch and use this new feature for vendoring auto-magically.

Well, that's just it for this short update.