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RFE: Support `distro.like.match()`

Some packaging might use things like this:

{% if distro.match("rhel >= 8") %}
...
{% endif %}

This works nicely but breaks down if someone tries to build the package on e.g. CentOS/Alma/... Ordinarily, aliases would be the solution, but that suffers from several drawbacks:

  • requires the packager to define and maintain a list of all derivatives
  • version inequalities are not supported (an apkg distro alias does not carry a version)

distro module already parses /etc/os-release when available and makes things like like available.

I propose that a new option be added that could work this way:

{% if distro.like.match("rhel >= 8") %}
...
{% elif distro.like.match("debian") %}
...
{% endif %}

This allows the packager to cover the above when it's desired. Yes, they can shoot themselves in the foot if they do distro.like.match("debian > 7") but that's up to them.

I have a local patch that does exactly that if you are interested.