libsystemd-rs

Changes:

• cargo: update nix requirement from ^0.26 to ^0.27
• cargo: update MSRV to 1.65
• logging: fix build in armv7
• logging: directly use memfd_create syscall
• lib: fix IO safety
• feat: Enhancing Id128 structure
• logging: fix typo in connected_to_journal docs
• logging: forgo validation of MESSAGE and PRIORITY fields at runtime
• sysusers: internal Context helper to simplify error handling
• id128: use internal Context helper to simplify error handling
• daemon: use internal Context helper to simplify error handling
• credentials: use internal Context helper to simplify error handling
• activation: use internal Context helper to simplify error handling

Changes:

• activation: fix build for compatibility with newer nix
• cargo: bump MSRV to 1.56
• ci: update workflow
• credentials: add helpers for accessing credential data
• daemon/notify: add support for abstract Unix sockets
• daemon/notify: add support for sending file descriptors
• daemon/notify: sanity-check state entries
• errors: add internal helpers to simplify error handling
• id128: add get_boot() and get_boot_app_specific()
• logging: use std API to extract journal stream from FD
• logging: fix connected_to_journal() logic
• logging: only check stderr for protocol upgrading
• logging: reduce the amount of allocations in hotpath
• logging: un-export some JournalStream methods

Changes:

• cargo: update sha2 and hmac to new version
• sysusers: introduce new module for 'sysusers.d' configuration fragments
• sysusers: add parsing logic
• sysusers: expose more field details
• sysusers: add serialization support

Changes:

• logging: close our side of memfd
• logging: reuse sending socket

Changes:

• logging: Detect journal connection
• logging: Make Priority Copy and Clone

Changes:

• logging: fix checks for invalid journal fields

Changes:

• activation: do not discard unknown descriptors
• errors: switch to thiserror
• logging: properly encode multiline journal messages
• cargo: refresh all dependencies
• ci: upgrade to GitHub-native Dependabot
• ci: bump toolchains
• ci: move Travis jobs to GitHub actions

Changes:

• activation: return errors on FD reception failures
• ci: update travis and run on arm64
• logging: conditionally run journald tests

Changes:

• cargo: switch to edition 2018
• logging: add support for writing to journald
• logging: add logic to support sending structured entries to journald
• misc CI and project cleanups
• daemon: optimize NotifyState
• activation: add sd_listen_fds and sd_listen_fds_with_names
• docs: add licenses and copyrights
• id128: derive Clone

• unit: add escape helpers
• id128: add 128-bits IDs
• cargo: update all dependencies