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Development tooling for the Mob mobile framework
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lib/mob_dev/release/android_precheck.ex
defmodule MobDev.Release.AndroidPrecheck do
@moduledoc false
# Shared precondition checks for Android release builds. Both the OTP
# cross-compile and the OpenSSL/crypto NIF cross-compile need to verify
# that an NDK install exists at the expected path before running any
# of their own logic. This module factors that out so the two recipes
# don't drift.
alias MobDev.NdkVersion
alias MobDev.Release.Errors
@doc """
Verify the Android NDK is installed at the path implied by
`opts[:ndk_root]` (or the default location). Returns :ok or raises
via Errors.precondition/1.
Takes a `shell` module so callers can pass in a fake during tests.
"""
@spec verify_ndk(module(), keyword()) :: :ok | no_return()
def verify_ndk(shell, opts) do
ndk_root = opts[:ndk_root] || default_ndk_root(opts[:ndk_version])
if shell.dir?(ndk_root) do
:ok
else
Errors.precondition(
"Android NDK not at #{ndk_root} — install NDK #{NdkVersion.effective()}"
)
end
end
@doc """
Canonical NDK install path: `~/Library/Android/sdk/ndk/<version>`.
Falls back to `NdkVersion.effective/0` when no version is supplied.
"""
@spec default_ndk_root(String.t() | nil) :: String.t()
def default_ndk_root(version \\ nil) do
Path.join([System.user_home!(), "Library/Android/sdk/ndk", version || NdkVersion.effective()])
end
end