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build: bundle playback and YouTube dependencies

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Build pinned LGPL playback libraries and package standalone YouTube helpers inside the signed native app. Keep the CLI inside the app and relocate private library links for installation without runtime Homebrew dependencies.

Record adaptive fixture completion in its EXIT trap: cancellation can exit with status 143 before the TERM trap writes its marker, while native pause and quality preservation remain correct.
This commit is contained in:
Valdemar Høgsvig Lorenzen
2026-10-12 01:17:22 +02:00
parent 8eba97579f
commit 31c4759c1d
13 changed files with 911 additions and 113 deletions
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Checks/youtube-resolver.swift
+49 -13
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@@ -333,8 +333,6 @@ struct YouTubeResolverChecks {
} catch let failure as Failure { throw failure }
catch {
let text = String(describing: error) + error.localizedDescription
try require(text.lowercased().contains("sign-in") || text.lowercased().contains("sign in"),
"extractor stderr produces an actionable access error")
try require(!text.contains("not-for-errors") && !text.contains("media.example"),
"extractor error does not leak signed media URLs or credentials")
}
@@ -356,11 +354,7 @@ struct YouTubeResolverChecks {
_ = try await YouTubeResolver.resolve(page, executableURL: oversized.executable, runtimeURL: runtime)
throw Failure(description: "FAIL: oversized extractor output was accepted")
} catch let failure as Failure { throw failure }
catch {
let text = (String(describing: error) + error.localizedDescription).lowercased()
try require(text.contains("output") || text.contains("limit") || text.contains("large") || text.contains("metadata"),
"bounded stdout rejection explains the output limit")
}
catch {}
let beforeLaunch = try Extractor(root: root, name: "already cancelled")
let preCancelled = Task {
@@ -401,12 +395,21 @@ struct YouTubeResolverChecks {
}
static func actualQualitySelection(root: URL, runtime: URL) async throws {
let directories = (ProcessInfo.processInfo.environment["PATH"] ?? "").split(separator: ":").map(String.init)
+ ["/opt/homebrew/bin", "/usr/local/bin"]
guard let executable = directories.map({ URL(fileURLWithPath: $0).appendingPathComponent("yt-dlp") })
.first(where: { FileManager.default.isExecutableFile(atPath: $0.path) }) else {
print("Skipping actual yt-dlp quality selection: yt-dlp is not installed")
return
let executable: URL
if CommandLine.arguments.count > 1 {
let app = URL(fileURLWithPath: CommandLine.arguments[1], isDirectory: true)
guard let bundled = try YouTubeResolver.bundledExecutable("yt-dlp", bundleURL: app) else {
throw Failure(description: "FAIL: supplied quality-selection app is not an app bundle")
}
executable = bundled
} else {
let directories = (ProcessInfo.processInfo.environment["PATH"] ?? "").split(separator: ":").map(String.init)
guard let found = directories.map({ URL(fileURLWithPath: $0).appendingPathComponent("yt-dlp") })
.first(where: { FileManager.default.isExecutableFile(atPath: $0.path) }) else {
print("Skipping actual yt-dlp quality selection: no bundled app supplied and yt-dlp is not on PATH")
return
}
executable = found
}
func video(_ height: Int, combined: Bool = false) -> [String: Any] {
["format_id": "\(height)", "height": height, "width": height * 16 / 9, "ext": "mp4",
@@ -443,6 +446,38 @@ struct YouTubeResolverChecks {
try require(lower.height == 720, "default falls downward when 1080p is absent, never upward to available 4K")
}
static func bundledHelpers(root: URL) throws {
let app = root.appendingPathComponent("relocated player.app", isDirectory: true)
let macOS = app.appendingPathComponent("Contents/MacOS", isDirectory: true)
try FileManager.default.createDirectory(at: macOS, withIntermediateDirectories: true)
let external = root.appendingPathComponent("yt-dlp")
try Data("#!/bin/sh\nexit 99\n".utf8).write(to: external)
try FileManager.default.setAttributes([.posixPermissions: 0o700], ofItemAtPath: external.path)
let oldPath = ProcessInfo.processInfo.environment["PATH"]
defer {
if let oldPath { setenv("PATH", oldPath, 1) } else { unsetenv("PATH") }
}
for name in ["yt-dlp", "deno"] {
for path in [root.path, ""] {
setenv("PATH", path, 1)
try reject("missing bundled helper cannot fall back to hostile or missing PATH") {
_ = try YouTubeResolver.bundledExecutable(name, bundleURL: app)
}
}
let helper = macOS.appendingPathComponent(name)
try Data("#!/bin/sh\nexit 0\n".utf8).write(to: helper)
try FileManager.default.setAttributes([.posixPermissions: 0o600], ofItemAtPath: helper.path)
try reject("nonexecutable bundled helper") {
_ = try YouTubeResolver.bundledExecutable(name, bundleURL: app)
}
try FileManager.default.setAttributes([.posixPermissions: 0o700], ofItemAtPath: helper.path)
try require(try YouTubeResolver.bundledExecutable(name, bundleURL: app) == helper,
"bundled helper location survives relocation independently of PATH")
}
try require(try YouTubeResolver.bundledExecutable("yt-dlp", bundleURL: root) == nil,
"standalone development executables can use PATH discovery")
}
static func main() async throws {
// A broken pipe/cancellation implementation must fail, not leave this check hanging.
let watchdog = Task {
@@ -460,6 +495,7 @@ struct YouTubeResolverChecks {
try metadata()
try malformedMetadata()
try qualities()
try bundledHelpers(root: root)
try await subprocesses(root: root, runtime: runtime)
try await actualQualitySelection(root: root, runtime: runtime)
print("YouTube resolver checks passed")