Class: Dependabot::Nix::Channel

Inherits:
VersionedName show all
Extended by:
T::Sig
Defined in:
lib/dependabot/nix/channel.rb

Overview

A NixOS channel: a VersionedName plus helpers for channel tarball URLs (channels.nixos.org//nixexprs.tar.xz).

Constant Summary collapse

CHANNEL_HOST = 
"channels.nixos.org"
DEFAULT_EXTENSION = 
"xz"
CHANNEL_URL_PATTERN =

e.g. https://channels.nixos.org/nixos-26.05/nixexprs.tar.xz The suffix is captured so a bump keeps the flake's existing format.

%r{
  \Ahttps?://channels\.nixos\.org/
  (?<channel>[a-zA-Z0-9][a-zA-Z0-9._-]*)
  /nixexprs\.tar\.(?<extension>xz|gz|bz2)\z
}x

Constants inherited from VersionedName

VersionedName::VERSIONED_NAME_PATTERN

Instance Attribute Summary

Attributes inherited from VersionedName

#name

Class Method Summary collapse

Methods inherited from VersionedName

#initialize, #newer_than?, #prefix, #same_family?, #suffix, #version, #version_string, #versioned?

Constructor Details

This class inherits a constructor from Dependabot::Nix::VersionedName

Class Method Details

.channel_name_from_url(url) ⇒ Object 



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# File 'lib/dependabot/nix/channel.rb', line 34

def self.channel_name_from_url(url)
  return unless url

  CHANNEL_URL_PATTERN.match(url)&.[](:channel)
end

.channel_url?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dependabot/nix/channel.rb', line 27

def self.channel_url?(url)
  return false unless url

  CHANNEL_URL_PATTERN.match?(url)
end

.extension_from_url(url) ⇒ Object 



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# File 'lib/dependabot/nix/channel.rb', line 42

def self.extension_from_url(url)
  return unless url

  CHANNEL_URL_PATTERN.match(url)&.[](:extension)
end

.url_for(channel_name, extension: DEFAULT_EXTENSION) ⇒ Object 



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# File 'lib/dependabot/nix/channel.rb', line 50

def self.url_for(channel_name, extension: DEFAULT_EXTENSION)
  "https://#{CHANNEL_HOST}/#{channel_name}/nixexprs.tar.#{extension}"
end