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|
defmodule NixpkgsGitHubUpdate.CLI do
@moduledoc """
Run updates on Nix Expressions that use fetchFromGitHub.
Arguments the script accepts:
--attribute <attribute_path>
Example usage:
```
./nixpkgs_github_update --attribute "notes-up"
```
"""
alias NixpkgsGitHubUpdate.{Nix, GitHubLatestVersion}
def help do
IO.puts("""
Run updates on Nix Expressions that use fetchFromGitHub.
Arguments the script accepts:
--attribute <attribute_path>
Example usage:
./nixpkgs_github_update --attribute "notes-up"
""")
end
def main([]) do
help()
end
def main(args) do
opts = parse_args(args)
attribute = opts[:attribute]
case Nix.attribute_exists?(attribute) do
true -> update(attribute)
_ -> exit("Requested attribute doesn't exist.")
end
end
def parse_args(args) do
{options, _, _} =
args
|> OptionParser.parse(strict: [attribute: :string])
options
end
def update(attribute) do
version =
Nix.get_owner_repo(attribute)
|> GitHubLatestVersion.fetch()
|> decode_response()
|> construct_version()
Nix.update_source_version(attribute, version)
end
def decode_response({:ok, response}), do: response
def decode_response({:error, error}) do
IO.puts("Error getting latest release from GitHub: #{error["message"]}")
System.halt(2)
end
def construct_version(response) do
Map.get(response, "tag_name")
|> String.trim_leading("v")
end
end
|
