42 lines
1,012 B
Crystal
42 lines
1,012 B
Crystal
require "yaml"
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require "json"
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class PrefetchJSON
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JSON.mapping(sha256: String)
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end
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class ShardLock
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YAML.mapping(
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version: String,
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shards: Hash(String, Hash(String, String))
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)
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end
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File.open "shards.nix", "w+" do |file|
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file.puts %({)
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yaml = ShardLock.from_yaml(File.read("shard.lock"))
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yaml.shards.each do |key, value|
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owner, repo = value["github"].split("/")
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url = "https://github.com/#{value["github"]}"
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rev = if value["version"]?
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"v#{value["version"]}"
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else
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value["commit"]
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end
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sha256 = ""
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args = ["--url", url, "--rev", rev]
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Process.run("nix-prefetch-git", args: args) do |x|
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x.error.each_line { |e| puts e }
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sha256 = PrefetchJSON.from_json(x.output).sha256
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end
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file.puts %( #{key} = {)
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file.puts %( owner = "#{owner}";)
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file.puts %( repo = "#{repo}";)
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file.puts %( rev = "#{rev}";)
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file.puts %( sha256 = "#{sha256}";)
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file.puts %( };)
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end
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file.puts %(})
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end
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