CHANGELOG.md

Changelog

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

All notable changes to this project will be documented in this file.

[0.4.0] - 2026-05-02

🚀 Features

• (parser) Add official serde feature to brush-parser for AST serialization (#783)
• (parser) [breaking] Replace ParsingNearToken with ParsingNear (#1022)
• Introduce notion of marking errors as fatal (#770)
• Expose key bindings for hint acceptance (#802)
• Add 'serde' feature to brush-core (#831)
• Enable using word expander without command substs (#877)
• Enable session leading config (#904)
• Implement \l sequence in prompt expansion (#913)
• (windows) Various path fixes for windows platform (#1075)
• Implement fatal error propagation (#773)
• Implement set -u semantics (#774)
• Source tracking improvements (#805)
• Support asynchronous builtin execution (#810)
• (builtins) Implement caller builtin (#812)
• Implement "compgen -A binding" (#814)
• Emulate exec in subshell (#823)
• Experimental builtin for serializing full shell state (#835)
• Expand tilde expansion support (#842)
• Implement set -e (a.k.a. errexit) + pipefail semantics (#852)
• Experimental shell/terminal integration (#872)
• (hooks) Experimental zsh-style preexec/precmd hooks (#652)
• Rudimentary readline macro support (#880)
• Optional TOML-based config file for brush-shell (#895)
• (read) Fill out more of read builtin (#914)
• Add convenience cmd line option to set up xtrace (#915)
• Scaffolding for winnow parser (#974)
• (completion) Implement COMP_KEY and COMP_TYPE (#1008)
• (options) Implement failglob option (#1011)
• (well-known-vars) Implement BASH_ARGC and BASH_ARGV variables (#1013)
• (getopts) Implement OPTERR semantics (#1048)
• (mapfile) Add -O flag (#558)
• Add coproc AST and placeholder execution (#1029)
• (trap) Implement ERR trap (#1020)
• (windows) Add compat /dev/null handling (#1044)
• (coproc) Implement coprocs (#1068)
• Implement $_ well-known variable for last command argument (#1030)
• Add optional bundling of coreutils builtins behind experimental feature flag (#1031)

🐛 Bug Fixes

• Fill in more SourceLocation implementations (#804)
• Correct parsing of escaped backslash in ANSI-C quotes (#850)
• Bang formatted without space leads to invalid command (#1109)
• Avoid allocating in pre_exec closure (#777)
• Improve "compgen -A {user,group}" (#815)
• Correct completion word tokenizing (#816)
• Honor mark-directories option (#817)
• Correct scope mismatch on error (#821)
• Suppress color when help is redirected (#822)
• History import robustness (#878)
• Avoid some allocation in brace-expansion (#884)
• Eliminate unneeded clone (#886)
• More direct Intos (#946)
• Remove ref-options (#952)
• Don't clobber builtin usage error if error display fails (#965)
• Use std::env::{split_paths, join_paths} for PATH splitting/combining (#968)
• Handle more readline macro forms (#967)
• Build for freebsd (#980)
• (commands) Use async pipe reads for command substitution
• Do not panic on file clone failure (#1051)
• (wasm) Avoid panic in split_paths on wasm (#1064)
• (android) Address android and 32-bit build issues (#1070)
• Address hang on macos when used as login shell (#1095)
• (windows) Fix /dev/null handling (#1104)
• Expose -c flag via $- (#767)
• Don't allow builtin to invoke disabled builtin (#719)
• Getopts with no provided args (#796)
• Preserve $? during interactive shell prompt expansion (#798)
• Correct initialization of SHELL var (#800)
• Correct exit status handling in assignment-only cmds (#801)
• Extended test redirection (#811)
• Negative substring offsets (#818)
• Do not tilde-expand prompts (#819)
• Escaping in pattern character sets (#824)
• Special-casing for OLDPWD (#825)
• Omit unset vars from set builtin output (#826)
• Getopts short options (#827)
• Update default of COMP_WORDBREAKS (#828)
• Disable reedline for cmd mode / script exec (#845)
• Correct trace depth computation (#847)
• Assorted ANSI-C quote compat fixes (#851)
• True and false must ignore all args (#865)
• Gracefully handle closed stdout (#873)
• Gracefully handle closed stderr (#875)
• Delay profile/rc loading until after input backend attached (#879)
• (completion) Properly escape filenames with spaces or special chars (#870)
• (unset) Allow unsetting non-standard names (#893)
• (test) Correct handling of -- and invalid test exprs (#894)
• Reenable a few tests (#896)
• Handle redir form: >& PATH (#908)
• Compat fixes for [ and ] in prompt expansion (#909)
• Parsing array accesses in array indices (#910)
• Add missing assignment arithmetic operators (|=, ^=) (#911)
• Correct overzealous regex escaping (#912)
• Systematic removal of problematic .unwrap() calls (#921)
• (builtins) Shadowing special builtins with funcs (#922)
• (hash) Accept names with slashes without lookup or error (#924)
• Ignore errors in -x tracing (#928)
• Trim space in test comparisons (#950)
• Exit status in command arg expansion failure (#951)
• Correctly handle pipe errors in builtins (#953)
• (completion) Provide default fallback completion for shell vars (#954)
• (extglob) Handle escaped parens (#960)
• (patterns) Correct backslash preservation (#963)
• (return) Exit code when stderr is not writable (#975)
• Check func names against reserved words (#978)
• (test) Resolve bash to absolute path before running compat tests (#994)
• (pathsearch) Include symlink'd executables in search (#991) (#992)
• Readonly should operate on global scope (#1003)
• (peg) Support legacy $[expr] arithmetic syntax (#1004)
• (arrays) Add set + unset support for negative array indices (#1005)
• (expansion) Allow ${#arr[i]} on unset variables with set -u (#1007)
• (bind) Silently succeed when key bindings unavailable (#1009)
• (compgen) Disable pathname expansion for -W word list (#1010)
• (completion) Only deduplicate completions in interactive presentation (#1012)
• (trap) - with multiple signals should clear all handlers (#1015)
• (heredoc) Preserve quotes in heredoc expansion (rebased) (#1014)
• (arithmetic) Allow space around prefix arithmetic operators (#1016)
• (arithmetic) More faithful overflow/underflow handling (#1017)
• (arithmetic-for) Correct parsing + eval issues (#1018)
• (arithmetic) Implement high-radix literals (#1019)
• (printf) Quote empty strings as '' in printf %q (#1026)
• (expansion) Correct descending brace sequence expansion with step (#1025)
• (builtins) Add builtin commands to compgen -A command(#997) (#1027)
• (expansion) Preserve quoted empty strings with nullglob enabled (#1035)
• (command_subst) Strip NULL bytes from command substitutions (#1049)
• Return 2 for unknown cmdline options (#1050)
• (complete) Complete current and parent directories. (#887)
• (arithmetic) Detect infinite arithmetic var reference recursion (#1021)
• (tokenizer) Prioritize heredoc body over terminating char in next_token_until (#1055)
• (tokenizer) Unquote heredoc end tag in delimit_current_token (#1056) (#1057)
• Use i64 for exit (#1065)
• (heredoc) Handle unbalanced single quotes and backticks in heredoc bodies inside $(…) (#1067)
• (cmdline) Handle -- as option terminator for -c flag (#1076)
• (login) Correctly reflect login option via shopt (#1078)
• (-c) Call EXIT traps on exit; add tests (#1080)
• (builtins) Add reserved keywords to compgen -A command (#1047)
• (-f) Implement -f command line option (#1091)
• (parser) Preserve whitespace in regex operands of extended tests (#1096)
• (wellknownvars) Set OSTYPE on macOS (#1097)

🚜 Refactor

• Reexport parser types (#784)
• Reorganize existing PEG parser (#899)
• Split shell.rs => shell/*.rs (#945)
• Use let chains (#982)
• Make try_iter_open_fds fully iterator-based (#1001)
• Rename TokenLocation -> SourceSpan (#788)
• Merge func call and script stacks (#789)
• Merge brushinfo and brushctl (#813)
• Shell / interactive-shell layering (#832)
• Make Shell fields private (#900)
• Extract build/test/validate commands into xtask (#898)
• Reuse test harness for non-oracle tests (#916)
• [breaking] Make Shell generic over ShellExtensions type param (#941)

📚 Documentation

• Update todo comments (#787)
• Update readme (#853)
• Update readme (#976)
• Minor updates (#1061)
• Update compat tables (#1062)
• Update header image on readme (#1113)
• Update reference docs (#1114)

⚡ Performance

• Assorted performance changes (#936)
• Prealloc capacity for some vectors, remove unnecessary Strings (#940)
• Address regex cache contention (#1043)

🧪 Testing

• (parser) Per syntax element tests (#938)
• Add error handling tests, resolve nextest issue (#768)
• Extend IFS tests (#775)
• Add not-yet-passing call-stack/caller tests (#785)
• Skip confused test (#820)
• Refactor + augment expansion test cases (#846)
• More tests for traps and related options (#947)
• Add mkosi config (#1093)
• Add basic wasm32-wasip2 tests to CI (#1098)
• (nameref) Add large set of nameref-focused tests (#1102)
• Temporarily disable flaky test (#1103)

⚙️ Miscellaneous Tasks

• Rename feature: fuzz-testing => arbitrary (#844)
• Switch non-Unix plats to use std::env::home_dir (#830)
• Update dependencies (#985)
• (clippy) Fix nightly lints (#998)
• Enable windows tests (#1083)
• Replace git expectrl dependency with v0.8.0 release (#779)
• Workflow sync + cleanup (#790)
• Upgrade several dependencies (#843)
• Add placeholders for new named options (not yet supported) (#848)
• Remove pprof dependency (#891)
• Update dependencies (#892)
• Update dependencies (#923)
• Upgrade deps (#942)
• Update dependencies (#966)
• Update dependencies (#977)
• Upgrade MSRV to 1.88 and update deps (#981)
• Upgrade dependencies (#1063)
• Address clippy error in xtask (#1108)

Build

• (deps) Bump utf8-chars from 3.0.5 to 3.0.6 in the cargo group (#781)
• (deps) Bump the cargo group with 2 updates (#807)
• (deps) Bump the cargo group with 3 updates (#836)
• (deps) Bump uuid from 1.18.1 to 1.19.0 in the cargo group (#840)
• (deps) Bump the cargo group with 3 updates (#882)
• (deps) Bump the cargo group with 3 updates (#925)
• (deps) Bump thiserror from 2.0.17 to 2.0.18 in the cargo group (#961)
• (deps) Bump the cargo group with 8 updates (#1024)
• (deps) Bump the cargo group with 4 updates (#1032)
• (deps) Bump the cargo group with 6 updates (#1041)
• (deps) Bump the cargo group with 7 updates (#1059)
• (deps) Bump the cargo group with 4 updates (#1081)
• (deps) Bump the cargo group with 4 updates (#1088)
• (deps) Bump the cargo group with 5 updates (#1112)

[0.3.0] - 2025-11-17

🚀 Features

• Add ShellBuilder, ParserBuilder (#651)
• [breaking] Refactor SourcePosition to use Arc (#727)
• (bind) Extend key binding support (#740)
• Enable custom error formatting (#722)
• [breaking] Introduce SourceLocation (#728)
• Implement fc builtin (#739)
• Implement alternate arithmetic for syntax (#744)
• Implement BASH_XTRACEFD (#747)
• Revisit how ExecutionParameters layer open files atop the Shell (#749)
• Basic support for trap EXIT (#750)
• Implement opt-in fd inheritance from host env (#753)

🐛 Bug Fixes

• Workaround error on nightly (#711)
• Comment unsafe blocks + better harden 1 block (#733)
• Don't fail importing unreadable history lines (#710)
• Tokenizer handling of here docs in quoted command substitutions (#716)
• Address lint errors from stable + nightly (#723)
• (builtins) Correct read var update on empty input (#729)
• Address race conditions in basic input tests (#730)
• Do not pass along exported-but-unset vars (#732)
• (builtins) Suppress error when type -p sees no command (#745)
• Command substitutions with large output (#748)
• Expansion in select double-quoted parameter exprs (#751)
• Correct expansion behavior in prompts (#756)
• Escaping and pipeline parse issues (#762)

🚜 Refactor

• Use Shell builder pattern in more code (#688)
• Os_pipe::pipe() -> std::io::pipe() (#695)
• Extract script + function call stacks to their own modules (#709)
• Update Shell::new() to take creation options as owned (#689)
• Move builtins into their own crate (#690)
• Shell struct API improvements (#692)
• Error/result type overhaul (#720)
• Move more platform-specific code under sys (#735)

📚 Documentation

• Update readme (#742)

🧪 Testing

• Add not-yet-passing tests for set -u and set -e (#736)
• Add new command substitution test case (#752)

⚙️ Miscellaneous Tasks

• Run static code checks on linux + macOS too (#678)
• Fix build error with cargo nightly (#687)
• (msrv) [breaking] Upgrade MSRV to 1.87.0 (#693)
• Fix benchmark execution (#691)
• Update dependencies (#696)
• Update dependencies (#757)
• Add brush crate + docs publishing (#760)

Build

• (deps) Bump procfs from 0.17.0 to 0.18.0 in the cargo group across 1 directory (#671)
• (deps) Bump bon from 3.7.2 to 3.8.0 in the cargo group (#698)
• (deps) Bump the cargo group with 4 updates (#676)
• (deps) Bump serde from 1.0.221 to 1.0.223 in the cargo group (#680)
• (deps) Bump the cargo group with 5 updates (#684)
• (deps) Bump the cargo group with 3 updates (#686)
• (deps) Bump the cargo group with 5 updates (#708)
• (deps) Bump the cargo group with 8 updates (#713)
• (deps) Bump the cargo group with 3 updates (#755)

[0.2.23] - 2025-08-30

🐛 Bug Fixes

• (cmdline) Correct exit code for --version + --help (#667)

[0.2.22] - 2025-08-29

🚀 Features

• (diag) Add minimal miette support to parser (#648)

🐛 Bug Fixes

• Exclude bind-bound commands from history (#650)
• (cmdline) Improve error handling for unknown cmdline options (#656)

📚 Documentation

• Update readme (#657)

⚙️ Miscellaneous Tasks

• Additional clippy fixes (#661)
• Downgrade homedir (#662)
• Address warnings on windows targets (#663)

Build

• (deps) Bump the cargo group with 4 updates (#654)
• (deps) Bump the cargo group with 4 updates (#659)
• (deps) Bump tracing-subscriber from 0.3.19 to 0.3.20 in the cargo group (#664)

[0.2.21] - 2025-08-13

🚀 Features

• (history) Implement history builtin (#599)

🐛 Bug Fixes

• (parser) Resolve issue with parser confusing subshell for arith expr (#624)
• (expansion) Support broader set of nested brace expansions (#625)
• Correct obvious string indexing errors (#641)
• Fixes for preexec-style bash extensions (#643)
• Prepare tests to run against bash-5.3 (#610)
• (unset) Correct unset of associative array element (#626)
• (declare) Refine varname validation (#629)
• Hyphenated script args (#630)
• Special case for command subst (#632)

📚 Documentation

• (readme) Update Arch Linux install instructions (#604)
• Adds homebrew section to README installation instructions (#638)

⚙️ Miscellaneous Tasks

• Publish license notices in CD flow (#622)
• Update dependencies (#623)
• Cleanup allow attributes, switch to expect where possible (#642)

Build

• (deps) Bump indenter from 0.3.3 to 0.3.4 in the cargo group (#627)
• (deps) Bump the cargo group with 3 updates (#612)
• (deps) Bump the cargo group with 2 updates (#613)
• (deps) Bump the cargo group with 2 updates (#619)
• (deps) Bump the cargo group across 1 directory with 5 updates (#609)
• (deps) Bump tokio from 1.46.1 to 1.47.0 in the cargo group (#616)
• (deps) Bump the cargo group with 2 updates (#621)

[0.2.20] - 2025-07-04

🚀 Features

• (api) API usability improvements for Shell::invoke_function (#596)
• Enable -o/+o on brush command line (#590)

🐛 Bug Fixes

• (dot) Only shadow args when some provided to source (#582)

🚜 Refactor

• (ShellValue) Take in an Into (#598)

📚 Documentation

• README.md installation updates (#580)
• Update README.md badges (#588)

🧪 Testing

• Tag test binary dependencies (#585)
• Add test cases for open issues (#587)
• Add not-yet-passing history tests (#591)

⚙️ Miscellaneous Tasks

• Update dependencies + deny policy (#586)
• Remove unneeded dev deps from 'test-with' (#594)
• Update dependencies (#601)

Build

• (deps) Bump test-with from 0.15.1 to 0.15.2 in the cargo group (#593)

[0.2.19] - 2025-06-25

🚀 Features

• (AndOrList) Add iteration abilities (#512)
• Generic Shell functions to parse a script from bytes (#509)
• Ability to clear all functions from shell environment (#546)
• (vars) Implement correct updating for -u/-c/-l vars (#529)
• (env) Introduce BRUSH_VERSION variable (#531)
• Enable cargo-binstall to work with brush (#536)
• (parser) Add gettext enabled quotes (#446)
• (printf) Replace printf impl with uucore wrapper (#552)
• (args) Add --rcfile command-line option (#568)

🐛 Bug Fixes

• (vars) Ensure effective GID is first in GROUPS (#526)
• (traps) Add stub definition for RETURN trap (#559)
• (typeset) Mark typeset as a declaration builtin (#517)
• (tokenizer) Correctly treat $( (...) ) as a cmd substitution (#521)
• (backquote) Correctly handle trailing backslash in backquoted command (#524)
• (test) Reuse -ef, -nt, -ot support (#525)
• (arithmetic) Permit space after unary operators (#527)
• (tokenizer) Correctly handle here docs terminated by EOF (#551)
• (interactive) Fix behavior of cmds piped to stdin (#539)
• (functions) Allow func names to contain slashes (#560)
• (tokenizer) Handle escaped single-quote in ANSI-C quoted string (#561)
• (arithmetic) Correct left shift handling (#562)
• (local) Enable use of local to detect function (#565)
• (expansion) Handle signed numbers in brace-expansion ranges (#566)
• (redirection) Assorted fixes to redirection (#567)
• (prompt) Implement \A (#569)
• (expansion) Correct ${!PARAM@...} (#570)
• (expansion) Fix parsing escaped single-quotes in ANSI-C strs (#571)
• (for/case) Allow reserved words in for word lists (#578)

🚜 Refactor

• (parser) Abstract parse errors (#574)

⚡ Performance

• Remove redundant lookups in path searching (#573)

🧪 Testing

• (parser) Enable serde::Serialize on AST et al. for test targets (#544)
• (tokenizer) Adopt insta for tokenizer tests (#550)
• (parser) Start using insta crate for snapshot-testing parser (#545)

⚙️ Miscellaneous Tasks

• Upgrade MSRV to 1.85.0 (#553)
• Upgrade crates to Rust 2024 edition (#554)
• Enable more lints + fixes (#555)
• Upgrade dependencies (#556)

Build

• (deps) Bump pprof from 0.14.0 to 0.15.0 in the cargo group (#542)
• (deps) Bump the cargo group with 3 updates (#522)

[0.2.18] - 2025-05-22

🚀 Features

• (apply_unary_predicate_to_str) Implement -R operand
• (apply_binary_predicate) Implement -ef operand
• (apply_binary_predicate) Implement -nt operand
• (ShellValue) Add is_set method
• (apply_binary_predicate) Implement -ot operand
• (Shell) Add methods to add environmental variables and builtins (#447)
• Implement {cd,pwd} -{L,P} (#458)
• (builtins) Implement initial (partial) bind -x support (#478)
• (mapfile) Register also as readarray (#486)
• (funcs) Implement function exporting/importing (#492)
• (mapfile) Implement -n, -d, -s (#490)
• (ulimit) Implement ulimit builtin (#482)

🐛 Bug Fixes

• (break,continue) Use default_value_t for flag values (#493)
• (help) Better compact argument help (#499)
• (tests) Wrong boolean operator
• (trap) Handle '-' unregistration syntax (#452)
• (complete) Fixes + tests for "declare -r" (#462)
• Enable unnameable_types lint and mitigate errors (#459)
• (builtin) Fix issues with 'builtin' invoking declaration builtins (#466)
• (declare) Suppress errors for non-existent functions in declare -f / -F (#467)
• (expansion) Allow negative subscripts with indexed arrays + slices (#468)
• Allow "bind" usage in .bashrc (#485)
• (expansion) Fix issues parsing backquoted commands nested in single/double-quoted strings (#491)
• Fix typos + add spell-checking PR check (#501)

📚 Documentation

• Update readme (#481)
• Add discord invite to readme (#494)

🧪 Testing

• (extended-tests) Explicitly set modified date on test files (#453)
• Add compat test for $_ (#480)
• Add known-failing tests to reproduce reported issues (#483)

⚙️ Miscellaneous Tasks

• Enable (and fix) current checks across all workspace crates (#457)
• (extended_tests) Add -ef, -nt, and -ot
• Upgrade dependencies: reedline, nix, clap, thiserror, etc. (#456)
• Better log + connect unimpl functionality with GH issues (#476)

Build

• (deps) Bump the cargo group with 3 updates (#461)
• (deps) Bump the cargo group with 2 updates (#487)

Ref

• (Shell) Turn &Path parameters into AsRef<Path> (#448)

[0.2.17] - 2025-04-24

🚀 Features

• (Shell) Add get_env_var method for more generic variable returns (#438)

🐛 Bug Fixes

• Honor COMP_WORDBREAKS in completion tokenization (#407)
• Handle complete builtin run without options (#435)

📚 Documentation

• Add instructions for installing from the AUR (#433)

🧪 Testing

• Implement --skip in brush-compat-tests harness (#432)

⚙️ Miscellaneous Tasks

• (Shell) Use relaxed typing for string input (#437)
• Enable building for wasm32-unknown-unknown (#425)

Build

• (deps) Bump rand from 0.9.0 to 0.9.1 in the cargo group (#431)
• (deps) Bump the cargo group with 3 updates (#426)
• (deps) Bump the cargo group with 2 updates (#427)

[0.2.16] - 2025-03-25

🚀 Features

• (arithmetic) Support explicit base#literal in arithmetic (#388)
• Implement command -p (#402)

🐛 Bug Fixes

• Default PS1 and PS2 in interactive mode (#390)
• (builtins) Implement command-less exec semantics with open fds (#384)
• (builtins) Correct read handling of IFS/space (#385)
• (extglob) Correct handling of extglobs with empty branches (#386)
• Correct path tests on empty strings (#391)
• Allow newline in empty array assignment (#405)
• Improve panic handling output (#409)
• (regex) Enable multiline mode for extended test regexes (#416)
• Parse '#' as char only if inside a variable expansion (#418)

📚 Documentation

• Symlink licenses under crate dirs (#400)

🧪 Testing

• Add more linux distros to test matrix (#412)
• Enable testing on nixos/nix container image (#413)

⚙️ Miscellaneous Tasks

• Upgrade cached crate (#398)
• Rewrite dir diffing test code to avoid deps

Build

• (deps) Bump the cargo group with 2 updates (#393)
• (deps) Bump whoami from 1.5.2 to 1.6.0 in the cargo group (#423)
• (deps) Bump the cargo group with 2 updates (#389)
• (deps) Bump serde from 1.0.218 to 1.0.219 in the cargo group (#401)
• (deps) Bump the cargo group with 2 updates (#410)

[0.2.15] - 2025-02-03

🚀 Features

• (continue) Implement continue n for n >= 2 (#326)
• (options) Implement dotglob semantics (#332)
• (options) Implement "set -t" (#333)
• (options) Implement "set -a" (#336)
• (env) Introduce dynamic variables (#360)

🐛 Bug Fixes

• (builtins) Skip unenumerable vars in set builtin (#322)
• (expansion) Handle negative substring offset (#372)
• (completion) Better handle native errors in completion funcs (#373)
• (builtins) Correct parsing of bind positional arg (#381)
• (patterns) Fix incorrect parse of char ranges (#323)
• (exit) Correct exit semantics in various compund statements (#347)
• (for) Correct semantics for "for" without "in" (#348)
• Correct semantics of = in non-extended test commands (#349)
• (return) Error if return used outside sourced script or function (#350)
• (arithmetic) Recursively evaluate var references (#351)
• (arithmetic) Fixes for nested parenthesis parsing in arithmetic (#353)
• (builtins) Fix set builtin handling of - and -- (#354)
• (builtins) Do not interpret --help in command builtin command args (#355)
• (builtins) Correct more 'set' argument parsing (#356)
• (variables) More correct handling of integer variables (#357)
• (redirection) Make sure redirection fd + operator are contiguous (#359)
• Better error when cwd is gone (#370)
• (builtins) Fix read builtin ignoring tab chars (#371)
• Propagate execution parameters more thoroughly (#374)
• (redirection) Allow continuing past redir errors (#375)

⚡ Performance

• Remove unneeded string cloning for arithmetic eval (#324)
• Simplify export enumeration (#363)
• Skip word parsing if no expansion required (#365)
• Minor optimizations for shell create + command run (#362)

🧪 Testing

• (perf) Update tokenizer/parser benchmarks (#321)
• Resolve false errors about side effects in bash-completion tests (#379)

⚙️ Miscellaneous Tasks

• Remove some unneeded pub(crate) visibility annotations (#346)
• Remove unneeded result wrappings (#367)
• Remove a few object clones (#368)
• Update readme (#331)
• Add pattern and expansion tests to track newly filed issues (#330)
• Minor cleanups and test additions (#364)
• Fix rng warnings (#378)

Build

• (deps) Bump indexmap from 2.7.0 to 2.7.1 in the cargo group (#334)
• (deps) Bump the cargo group across 1 directory with 4 updates (#320)
• (deps) Bump the cargo group with 3 updates (#376)

[0.2.14] - 2025-01-10

🚀 Features

• (prompts) Enable PS0, custom right-side prompts, more (#278)
• (completion) Programmable completion support for filters + commands
• (non-posix) Implement time keyword (#310)
• (builtins) Implement suspend (#311)
• (set) Implement nullglob option (#279)
• (set) Implement nocaseglob + nocasematch options (#282)
• (builtins) Add minimal mapfile + bind impls
• (debug) Improved function tracing capabilities
• (options) Implement lastpipe option
• Implement brace expansion (#290)
• (options) Implement noclobber option (a.k.a. -C) (#291)
• (builtins) Implement more of kill builtin (#305)
• (builtins) Implement times builtin (#309)

🐛 Bug Fixes

• Correct sh mode vs posix mode confusion for syntax extensions
• Assorted non-fatal clippy warnings (#274)
• (builtins) Correct behavior of set builtin with no args
• More consistently honor shell options when invoking the tokenizer
• Update COMP_WORDBREAKS default value
• Honor extglob for expansion transformations
• Sync PWD with actual workdir on launch
• (jobs) Only report job status when job control option is enabled (#306)
• Stop incorrectly parsing assignment as function def (#273)
• Multiple issues blocking docker cmd completion (#275)
• Improve substring ops with multi-byte chars (#280)
• Better handle escape chars in pattern bracket exprs (#281)
• (completion) Multiple fixes for compgen builtin usage
• (regex) Work around incompatibilities between shell + rust regexes
• (extendedtests) Add missing arithmetic eval in extended tests
• (command) Handle sending basic command errors to redirected stderr
• Improve accuracy of negative extglobs
• Implement date and time in prompts (#298)
• (completion) Handle -o {default,dirnames,plusdirs} (#300)
• (expansion) Correct length for 1-element arrays (#316)
• Correct issues with ! extglobs and compgen -X (#317)

📚 Documentation

• Update README to reflect test expansion

⚡ Performance

• Cache parsing for arithmetic expressions (#301)
• Remove unneeded async from arithmetic eval (#312)
• Remove setup operations from microbenchmarks (#307)
• Reimplement colon command as a "simple builtin" (#315)

🧪 Testing

• (completion) Add another completion test
• (completion) Enable use of pexpect et al. with basic input backend

⚙️ Miscellaneous Tasks

• Update comments
• Improve tracing for completion function invocation
• Remove unneeded helper code
• Address warnings (#313)

Build

• (deps) Bump the cargo group with 3 updates (#285)
• (deps) Bump the cargo group with 4 updates (#289)
• (deps) Bump the cargo group with 3 updates (#294)
• (deps) Bump anyhow from 1.0.94 to 1.0.95 in the cargo group (#297)
• (deps) Bump the cargo group with 2 updates (#299)
• (deps) Bump the cargo group with 2 updates (#304)

[0.2.13] - 2024-11-26

🚀 Features

• (ast) Derive PartialEq and Eq for testing (#259)

🐛 Bug Fixes

• Correct parsing of parens in arithmetic command (#270)

⚙️ Miscellaneous Tasks

• Upgrade dependencies (#271)

Build

• (deps) Bump the cargo group with 3 updates (#258)
• (deps) Bump the cargo group with 7 updates (#267)

[0.2.12] - 2024-11-03

🚀 Features

• Implement support for ;;& and ;& in case items (#223)
• Implement |& extension (#240)
• Implement kill -l (#221)
• Implement |& for function declarations (#244)

🐛 Bug Fixes

• Omit dirs from executable searches (#236)
• Handle PS2 prompts that require prompt-expansion (#239)
• Allow usually-operator chars in regex parens (#224)
• Assorted correctness issues in getopts builtin (#225)
• Assorted completion-related issues (#226)
• String replacement with slashes (#231)
• Correct pattern removal expansions on arrays (#232)
• (completion) Fix -- handling in getopts (#235)
• (completion) Correct behavior of slice past end of array (#237)
• Support here documents in command substitutions (#255)

🧪 Testing

• Run completion tests using bash-completion 2.14.0 (#238)
• Add os-targeted integration tests (#241)

⚙️ Miscellaneous Tasks

• Upgrade crate dependencies (#247)

Build

• (deps) Bump the cargo group with 2 updates (#220)

[0.2.11] - 2024-10-18

🚀 Features

• Experimentally enable reedline as an input backend (#186)
• Default to reedline and add syntax highlighting support (#187)
• Add a panic handler via human-panic (#191)
• Several fixes for bash-completion + tests (#192)
• Implement cd - (#201)
• Implement command hashing (#206)

🐛 Bug Fixes

• Deduplicate completion candidates (#189)
• Cleanup transient completion variables (#213)
• Allow newlines in extended test exprs (#188)
• Fixes for short-circuit precedence + parameter expr replacement (#193)
• Workarounds for edge word parsing cases (#194)
• Assorted completion issues with ~ and vars (#199)
• Slight compat improvements to set -x (#205)
• Matching newline chars in glob patterns (#207)
• Honor IFS in read builtin (#208)
• Correct behavior of break in arithmetic for loop (#210)
• Address issues with array unset (#211)
• Handle expansion in here documents (#212)

📚 Documentation

• Update readme (#182)
• Update readme with new links (#204)

🧪 Testing

• Enable setting min oracle version on tests (#184)

⚙️ Miscellaneous Tasks

• Where possible replace async-trait with native async trait support in 1.75+ (#197)

Build

• (deps) Bump futures from 0.3.30 to 0.3.31 in the cargo group (#190)
• Leave rustyline disabled by default (#196)
• (deps) Bump the cargo group with 4 updates (#203)
• Remove rustyline support (#216)

[0.2.10] - 2024-09-30

🐛 Bug Fixes

• Allow source to be used with process substitution (#175)
• Address multiple issues with foreground controls for pipeline commands (#180)

🧪 Testing

• Move to cargo nextest (#176)
• Correctly report skipped tests for nextest (#178)
• Convert more test skips to known failures (#179)

Build

• (deps) Bump the cargo group with 2 updates (#177)

[0.2.9] - 2024-09-26

🚀 Features

• Launch processes in their own process groups (#166)

🐛 Bug Fixes

• Posix compliant argument parsing for -c mode (#147)

🧪 Testing

• Add more basic interactive tests (#168)
• Bring up macos testing (#172)

Build

• (deps) Bump thiserror from 1.0.63 to 1.0.64 in the cargo group (#167)
• Temporarily disable failing test (#170)
• Refactor PR workflow to better support multi-platform build + test (#169)

[0.2.8] - 2024-09-17

🐛 Bug Fixes

• Implement ~USER syntax (#160)
• Compgen needs to expand target arg (#162)
• Do not invoke debug traps during completion funcs (#163)
• Disable flaky test until it can be root-caused

📚 Documentation

• Generate man page via xtask (#157)

⚡ Performance

• Short-term optimization for common-case printf

⚙️ Miscellaneous Tasks

• Extract InteractiveShell as trait + refactor (#159)

Build

• (deps) Bump tokio from 1.39.3 to 1.40.0 in the cargo group (#156)
• (deps) Bump the cargo group with 6 updates (#158)
• (deps) Bump the cargo group with 2 updates (#161)

[0.2.7] - 2024-09-01

🚀 Features

• Move MSRV up to 1.75.0 (#139)

🐛 Bug Fixes

• Correct echo -e escape expansion for \x sequences (#143)
• Disable displaying tracing target (#140)
• Correct multiple issues with process substitution + redirection (#145)

Build

• (deps) Bump tokio from 1.39.1 to 1.39.2 in the cargo group (#141)
• (deps) Bump the cargo group with 3 updates (#148)
• (deps) Bump serde from 1.0.204 to 1.0.206 in the cargo group (#150)
• (deps) Bump the cargo group with 2 updates (#152)
• (deps) Bump serde from 1.0.208 to 1.0.209 in the cargo group (#154)

[0.2.6] - 2024-07-23

🐛 Bug Fixes

• Correct relative path resolution cases
• Relative path completion fixes (#137)

[0.2.5] - 2024-07-23

🐛 Bug Fixes

• Build error outside git (#134)

Build

• (deps) Bump the cargo group with 2 updates (#133)

[0.2.4] - 2024-07-19

🚀 Features

• Initial support for non-linux
• Enable simpler builtins implemented outside brush (#130)
• Get building on windows and wasm-wasip1 targets (#116)
• Add brushctl builtin, seed with event toggling support

🐛 Bug Fixes

• Absorb breaking change in homedir crate
• Clippy and check warnings (#123)
• Correct completion fallback logic when spec matches but 0 results (#125)
• Various build warnings on windows build (#126)
• Exclude tags from git version info (#115)

📚 Documentation

• Update readme (#127)

⚙️ Miscellaneous Tasks

• Merge builtin and builtins modules
• Update comments (#129)

Build

• (deps) Bump the cargo group across 1 directory with 5 updates

[0.2.3] - 2024-07-03

🚀 Features

• Enable -O and +O on command line (#105)
• Start using cargo-fuzz for testing (#106)
• Enable fuzz-testing arithmetic eval (#108)
• Include more details in version info (#112)

🐛 Bug Fixes

• Correct expansion when PWD is / (#96)
• Ensure parser error actually impls Error (#98)
• Realign newline parsing with spec (#99)
• Correct handling of unterminated expansions (#101)
• Add &>> implementation (#103)
• Correct metadata for fuzz crate (#107)
• Resolve assorted arithmetic eval issues (#110)
• Correct ** overflow behavior (#111)

⚙️ Miscellaneous Tasks

• Update Cargo.lock (#113)
• Release

Build

• Take targeted dependency updates (#93)
• Update config (#97)

[0.2.2] - 2024-06-19

🚀 Features

• Implement 'command' builtin (#77)
• Add stubs for help man page generation
• Fill out read builtin impl
• Rework here doc files (#85)
• Set + validate intentional MSRV (1.72.0) (#86)
• Add basic changelog
• Add basic changelog (#87)

🐛 Bug Fixes

• Compgen -W expansion (#78)
• Don't split completions that aren't file paths (#79)
• Allow interrupting read builtin, run pipeline cmds in subshell (#81)
• Add missing flush calls
• Tweak manifests to work with release flow (#89)
• Ensure brush-core builds outside workspace (#90)

📚 Documentation

• Add crate shields to readme (#74)
• Add missing code documentation

⚙️ Miscellaneous Tasks

• (release) Bump version to 0.2.0 (#88)

Build

• Update dependencies
• Adjust clippy warnings

[0.1.0] - 2024-06-11

Build

• Prepare for initial release (#68)
• Enable publishing (#71)