chore(deps): bump nix from 0.29.0 to 0.30.1 in /backend

[dependabot]

Bumps nix from 0.29.0 to 0.30.1.

Changelog

Sourced from nix's changelog.

[0.30.1] - 2025-05-04

Fixed

• doc.rs build (#2634)

[0.30.0] - 2025-04-29

Added

• Add socket option IPV6_PKTINFO for BSDs/Linux/Android, also IPV6_RECVPKTINFO for DragonFlyBSD (#2113)
• Add fcntl's F_PREALLOCATE constant for Apple targets. (#2393)
• Improve support for extracting the TTL / Hop Limit from incoming packets and support for DSCP (ToS / Traffic Class). (#2425)
• Add socket option IP_TOS (nix::sys::socket::sockopt::IpTos) IPV6_TCLASS (nix::sys::socket::sockopt::Ipv6TClass) on Android/FreeBSD (#2464)
• Add SeekData and SeekHole to Whence for hurd and apple targets (#2473)
• Add From trait implementation between SocketAddr and Sockaddr, Sockaddr6 (#2474)
• Added wrappers for posix_spawn API (#2475)
• Add the support for Emscripten. (#2477)
• Add fcntl constant F_RDADVISE for Apple target (#2480)
• Add fcntl constant F_RDAHEAD for Apple target (#2482)
• Add F_LOG2PHYS and F_LOG2PHYS_EXT for Apple target (#2483)
• MAP_SHARED_VALIDATE was added for all linux targets. & MAP_SYNC was added for linux with the exclusion of mips architecures, and uclibc (#2499)
• Add getregs()/getregset()/setregset() for Linux/musl/aarch64 (#2502)
• Add FcntlArgs F_TRANSFEREXTENTS constant for Apple targets (#2504)
• Add MapFlags::MAP_STACK in sys::man for netbsd (#2526)
• Add support for libc::LOCAL_PEERTOKEN in getsockopt. (#2529)
• Add support for syslog, openlog, closelog on all unix.

... (truncated)

Commits

• 3cf9007 chore: drop 0.30.1
• 2845ab9 Compile sys::mman on Redox (#2637)
• fccb4ab Fix fuchsia target triple to unbreak docs.rs build (#2634)
• b834171 ci: disable hurd (#2638)
• 9c97e1d Clippy cleanup: dangerous_implicit_autorefs and uninlined_format_args
• 989291d chore: release 0.30.0
• 6a1c5b8 Remove Copy from PollFd (#2631)
• eba0f41 chore: pin libc to 0.2.171 & bump CI image (#2632)
• b561476 socket::sockopt AttachReusePortCbpf for Linux addition. (#2621)
• 684b79e Add sockopt::PeerPidfd (SO_PEERPIDFD) sockopt support to socket::sockopt (#2620)
• Additional commits viewable in compare view

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[greptile-apps]

Greptile Overview

Greptile Summary

This PR bumps the nix crate dependency from version 0.29.0to 0.30.1 in the backend Cargo.toml. The nix crate provides UNIX systems programming functionality and is used by Atuin Desktop's Rust backend for signal handling. This is a straightforward dependency update that maintains the same feature set (signal feature) while upgrading to a version with bug fixes and platform improvements. The update appears to be routine maintenance to keep dependencies current.

Important Files Changed

Changed Files

Filename	Score	Overview
backend/Cargo.toml	5/5	Updated nix dependency from 0.29.0 to0.30.1 while maintaining the signal feature

Confidence Score: 5/5

This is a low-risk dependency update with no breaking changes. The nix crate is a well-maintained library and the version jump brings bug fixes and new platform support without affecting existing functionality.

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