46 lines
1.4 KiB
Elixir
46 lines
1.4 KiB
Elixir
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defmodule Mix.EctoSQL do
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@moduledoc false
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@doc """
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Ensures the given repository's migrations paths exists on the file system.
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"""
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@spec ensure_migrations_paths(Ecto.Repo.t(), Keyword.t()) :: [String.t()]
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def ensure_migrations_paths(repo, opts) do
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paths = Keyword.get_values(opts, :migrations_path)
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paths = if paths == [], do: [Path.join(source_repo_priv(repo), "migrations")], else: paths
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if not Mix.Project.umbrella?() do
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for path <- paths, not File.dir?(path) do
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raise_missing_migrations(Path.relative_to_cwd(path), repo)
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end
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end
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paths
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end
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defp raise_missing_migrations(path, repo) do
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Mix.raise("""
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Could not find migrations directory #{inspect(path)}
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for repo #{inspect(repo)}.
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This may be because you are in a new project and the
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migration directory has not been created yet. Creating an
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empty directory at the path above will fix this error.
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If you expected existing migrations to be found, please
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make sure your repository has been properly configured
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and the configured path exists.
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""")
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end
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@doc """
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Returns the private repository path relative to the source.
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"""
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def source_repo_priv(repo) do
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config = repo.config()
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priv = config[:priv] || "priv/#{repo |> Module.split() |> List.last() |> Macro.underscore()}"
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app = Keyword.fetch!(config, :otp_app)
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Path.join(Mix.Project.deps_paths()[app] || File.cwd!(), priv)
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end
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end
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