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fix: import GPG keys when installing swiftly #453

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fix: import GPG keys when installing swiftly #453

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824f867
refactor: verify GPG keys func
louisunlimited Nov 2, 2025
3d501af
feat: import GPG keys when verify signatures
louisunlimited Nov 2, 2025
7fe287e
Merge branch 'main' into louis/self-update-gpg-verify
louisunlimited Nov 7, 2025
58f4b29
fix: use inherit env
louisunlimited Nov 8, 2025
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31 changes: 21 additions & 10 deletions Sources/LinuxPlatform/Linux.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -285,16 +285,7 @@ public struct Linux: Platform {
throw SwiftlyError(message: msg)
}

let tmpFile = self.getTempFilePath()
try await fs.create(.mode(0o600), file: tmpFile, contents: nil)
try await fs.withTemporary(files: tmpFile) {
try await ctx.httpClient.getGpgKeys().download(to: tmpFile)
if let mockedHomeDir = ctx.mockedHomeDir {
try await sys.gpg()._import(key: tmpFile).run(environment: .inherit.updating(["GNUPGHOME": (mockedHomeDir / ".gnupg").string]), quiet: true)
} else {
try await sys.gpg()._import(key: tmpFile).run(quiet: true)
}
}
try await self.importGpgKeys(ctx)
}

guard let manager = manager else {
Expand Down Expand Up @@ -430,6 +421,9 @@ public struct Linux: Platform {
public func verifyToolchainSignature(
_ ctx: SwiftlyCoreContext, toolchainFile: ToolchainFile, archive: FilePath, verbose: Bool
) async throws {
// Ensure GPG keys are imported before attempting signature verification
try await self.importGpgKeys(ctx)

if verbose {
await ctx.message("Downloading toolchain signature...")
}
Expand All @@ -452,9 +446,26 @@ public struct Linux: Platform {
}
}

/// Import Swift.org GPG keys for signature verification
private func importGpgKeys(_ ctx: SwiftlyCoreContext) async throws {
let tmpFile = self.getTempFilePath()
try await fs.create(.mode(0o600), file: tmpFile, contents: nil)
try await fs.withTemporary(files: tmpFile) {
try await ctx.httpClient.getGpgKeys().download(to: tmpFile)
if let mockedHomeDir = ctx.mockedHomeDir {
try await sys.gpg()._import(key: tmpFile).run(environment: .inherit.updating(["GNUPGHOME": (mockedHomeDir / ".gnupg").string]), quiet: true)
} else {
try await sys.gpg()._import(key: tmpFile).run(quiet: true)
}
}
}

public func verifySwiftlySignature(
_ ctx: SwiftlyCoreContext, archiveDownloadURL: URL, archive: FilePath, verbose: Bool
) async throws {
// Ensure GPG keys are imported before attempting signature verification
try await self.importGpgKeys(ctx)

if verbose {
await ctx.message("Downloading swiftly signature...")
}
Expand Down