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packaging/src/recipe.cr

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Crystal
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require "uuid"
require "uri"
require "file_utils"
require "./context.cr"
require "./package.cr"
require "./instructions.cr"
require "./sources.cr"
# 🤔
class URI
def basename
File.basename path
end
end
class Package::Recipe
@context : Context
getter name : String
getter version : String
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getter dirname : String?
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getter sources : Sources
getter packages : Array(Package)
getter instructions = Instructions.new
def initialize(@context, @name, @version)
@sources = Sources.new
@packages = [
Package.new @name, @version
]
@working_uuid = UUID.random
end
def working_directory
@context.working_directory
end
def building_directory
"#{working_directory}/build"
end
def fake_root_directory
"#{working_directory}/root"
end
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def dirname
@dirname || "#{name}-#{version}"
end
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def download
sources.map do |url|
unless File.exists? url.basename
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@context.run @context.sources_directory, "wget", [ url.to_s, "-O", url.basename ]
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end
end
end
def extract
Dir.mkdir_p building_directory
sources.map do |url|
basename = url.basename
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@context.run building_directory, "tar", [ "xvf", @context.sources_directory + "/" + url.basename ]
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end
end
# TODO:
# - Export packaging directory in $PKG.
# - Add (pre|post)-(configure|build|install) instructions.
# - Have some instructions be non-critical, like the (pre|post] ones.
# - Be careful about return values, flee from everything if something
# goes somehow wrong.
# - Make things thread-safe. (those ENV[]= calls are definitely not)
def build
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success = true
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Dir.mkdir_p fake_root_directory
ENV["PKG"] = fake_root_directory
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# Safety precautions.
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old_dir = Dir.current
instructions.to_a.each do |instruction|
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if instruction.run(@context, self).failed?
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break Instructions::Status::Failed
end
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end
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Dir.cd old_dir
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ENV["PKG"] = nil
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success
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end
def package
puts "#{fake_root_directory} -> #{@context.packages_directory}/#{name}##{version}.pkg.tar.xz"
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pp! @context.run fake_root_directory, "tar", ["cJf", "#{@context.packages_directory}/#{name}##{version}.pkg.tar.xz", "."]
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end
def clean
FileUtils.rm_rf building_directory
FileUtils.rm_rf fake_root_directory
end
def to_s
"#{name}-#{version}"
end
end