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fix(cli): Ignore SIGPIPE to prevent crashes on broken pipes #40

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Merged
philprime merged 1 commit into from
Sep 30, 2026
Merged

fix(cli): Ignore SIGPIPE to prevent crashes on broken pipes #40

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13 changes: 13 additions & 0 deletions Sources/CLI/main/AppleDocs.swift
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Original file line number Diff line number Diff line change
@@ -1,6 +1,14 @@
import ArgumentParser
import Logging

#if canImport(Darwin)
import Darwin
#elseif canImport(Glibc)
import Glibc
#elseif canImport(Musl)
import Musl
#endif

@main
enum AppleDocs {
private static let logger = Logger(label: "com.techprimate.apple-docs")
Expand All @@ -9,6 +17,11 @@ enum AppleDocs {
static func main() async {
let telemetry = Dependencies.shared.telemetry
telemetry.start()
// Ignore SIGPIPE so writing to a closed pipe (e.g. `apple-docs ... | head`)
// fails with EPIPE instead of terminating the process.
// Must stay after `telemetry.start()`: the crash handler installs its own
// SIGPIPE handler during start, which would otherwise replace SIG_IGN.
signal(SIGPIPE, SIG_IGN)
var loggingConfigured = false

do {
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