Rusty Bash (a.k.a. sushi 🍣 shell)

IMPORTANT: the main branch is switched to the shell develped for articles on SoftwareDesign. （今までのメインブランチは、連載のものに比べて散らかりすぎなので、連載のものをmainに切り替えました。）

• old main branch

What's this?

A clone of Bash, which is developed as a hobby of our group and for monthly articles on SoftwareDesign magazine published by Gijutsu-Hyohron Co., Ltd.

Quick Start

$ git clone https://github.com/shellgei/rusty_bash.git
$ cd rusty_bash
$ cargo run
・・・
    Finished dev [unoptimized + debuginfo] target(s) in 0.04s
     Running `target/debug/sush`
ueda@uedaP1g6:main🌵~/GIT/rusty_bash(debug)🍣

Install

$ git clone https://github.com/shellgei/rusty_bash.git
$ cd rusty_bash
$ cargo build --release
### ↓  Change /bin/ to /usr/local/bin/ or another path in $PATH if you are using Mac or BSD ###
$ sudo cp target/release/sush /bin/
$ cp .sushrc_for_linux ~/.sushrc # edit if some errors occur
$ sush
ueda@uedaP1g6:main🌵~/GIT/rusty_bash🍣

For Contributors

Please give us issues or pull requests in a way you think sensible. We do not have a rigid rule at this stage.

List of Features

• ✔️ :available
• 🚧 :partially available (or having known bugs)
• 🙅 : not implemented

simple commands

features	status	features	status	features	status
command	✔️	substitutions	✔️	function definition	✔️

compound commands

features	status	features	status	features	status
if	✔️	while	✔️	()	✔️
{}	✔️	case	✔️	until	🙅
for	✔️	[[ ]]	✔️

control operator

features	status	features	status	features	status
||	✔️	&&	✔️	;	✔️
;;	✔️	|	✔️	&	✔️
|&	✔️

expansion

features	status	features	status	features	status
brace {a,b}	✔️	brace	✔️	tilde	✔️
arithmetic	✔️	word splitting	✔️	path name	✔️
command substitution	✔️	parameter/variable $A ${A}	✔️	${name:offset}, ${name:offset:length}	✔️

special parameters

features	status	features	status	features	status
$	✔️	?	✔️	*	✔️
@	✔️	#	✔️	-	✔️
!	🙅	_	✔️

builtin commands

features	status	features	status	features	status
cd	✔️	pwd	✔️	read	🚧
exit	✔️	source	✔️	set	🚧
shopt	🚧	:	✔️	.	✔️
alias	✔️	bg	🚧	bind	🙅
break	✔️	builtin	🙅	caller	🙅
command	🙅	compgen	🚧	complete	🚧
compopt	🙅	continue	✔️	declare	🙅
dirs	🙅	disown	🙅	echo	🙅
enable	🙅	eval	✔️	exec	🙅
fc	🙅	fg	🚧	getopts	🙅
hash	🙅	help	🙅	history	🚧
jobs	🚧	kill	🙅	let	🙅
local	✔️	logout	🙅	mapfile	🙅
popd	🙅	printf	🙅	pushd	🙅
read	🙅	readonly	🙅	return	✔️
shift	🙅	suspend	🙅	test	🙅
times	🙅	trap	🙅	true	✔️
type	🙅	typeset	🙅	ulimit	🙅
umask	🙅	unalias	🙅	unset	🚧
wait	🚧	export	🙅	false	✔️

options

features	status	features	status	features	status
-c	✔️	-i	✔️	-l, --login	🙅
-r	🙅	-s	🙅	-D	🙅
[-+]O	🙅	--	🙅	--debugger	🙅
--dimp-po-strings	🙅	--help	🙅	--init-file	🙅
--rcfile	🙅	--noediting	🙅	--noprofile	🙅
--norc	🙅	--posix	🙅	--restricted	🙅
-v, --verbose	🙅	--version	✔️	-e	✔️
--pipefail	✔️	-B	✔️

shopt

features	status	features	status	features	status
autocd	🙅	cdable_vars	🙅	cdspell	🙅
checkhash	🙅	checkjobs	🙅	checkwinsize	🙅
cmdhist	🙅	compat31	🙅	compat32	🙅
compat40	🙅	compat41	🙅	dirspell	🙅
dotglob	🙅	execfail	🙅	expand_aliases	🙅
extdebug	🙅	extglob	✔️	extquote	🙅
failglob	🙅	force_fignore	🙅	globstar	🙅
gnu_errfmt	🙅	histappend	🙅	histreedit	🙅
histverify	🙅	hostcomplete	🙅	huponexit	🙅
interactive_comments	🙅	lastpipe	🙅	lithist	🙅
login_shell	🙅	mailwarn	🙅	no_empty_cmd_completion	🙅
nocaseglob	🙅	nocasematch	🙅	nullglob	🙅
progcomp	🙅	promptvars	🙅	restricted_shell	🙅
shift_verbose	🙅	sourcepath	🙅	xpg_echo	🙅

variables

Born Shell Variables

features	status	features	status	features	status
CDPATH	🙅	HOME	✔️	IFS	🙅
MAIL	🙅	MAILPATH	🙅	OPTARG	🙅
OPTIND	🙅	PATH	✔️	PS1	✔️
PS2	✔️

Bash Variables

features	status	features	status	features	status
_	✔️	BASH	🙅	BASHOPTS	🙅
BASHPID	✔️	BASH_ALIASES	🙅	BASH_ARGC	🙅
BASH_ARGV	🙅	BASH_ARGV0	🙅	BASH_CMDS	🙅
BASH_COMMAND	🙅	BASH_COMPAT	🙅	BASH_ENV	🙅
BASH_EXECUTION_STRING	🙅	BASH_LINENO	🙅	BASH_LOADABLES_PATH	🙅
BASH_REMATCH	🙅	BASH_SOURCE	🙅	BASH_SUBSHELL	✔️
BASH_VERSINFO	✔️	BASH_VERSION	✔️	BASH_XTRACEFD	🙅
CHILD_MAX	🙅	COLUMNS	🙅	COMP_CWORD	🙅
COMP_LINE	🙅	COMP_POINT	🙅	COMP_TYPE	🙅
COMP_KEY	🙅	COMP_WORDBREAKS	🙅	COMP_WORDS	🙅
COMPREPLY	🙅	COPROC	🙅	DIRSTACK	🙅
EMACS	🙅	ENV	🙅	EPOCHREALTIME	✔️
EPOCHSECONDS	✔️	EUID	🙅	EXECIGNORE	🙅
FCEDIT	🙅	FIGNORE	🙅	FUNCNAME	🙅
FUNCNEST	🙅	GLOBIGNORE	🙅	GROUPS	🙅
histchars	🙅	HISTCMD	🙅	HISTCONTROL	🙅
HISTFILE	✔️	HISTFILESIZE	✔️	HISTIGNORE	🙅
HISTSIZE	🙅	HISTTIMEFORMAT	🙅	HOSTFILE	🙅
HOSTNAME	🙅	HOSTTYPE	✔️	IGNOREEOF	🙅
INPUTRC	🙅	INSIDE_EMACS	🙅	LANG	✔️
LC_ALL	🙅	LC_COLLATE	🙅	LC_CTYPE	🙅
LC_MESSAGES	🙅	LC_NUMERIC	🙅	LC_TIME	🙅
LINENO	✔️	LINES	🙅	MACHTYPE	✔️
MAILCHECK	🙅	MAPFILE	🙅	OLDPWD	✔️
OPTERR	🙅	OSTYPE	✔️	PIPESTATUS	✔️
POSIXLY_CORRECT	🙅	PPID	🙅	PROMPT_COMMAND	🙅
PROMPT_DIRTRIM	🙅	PS0	🙅	PS3	🙅
PS4	✔️	PWD	✔️	RANDOM	✔️
READLINE_ARGUMENT	🙅	READLINE_LINE	🙅	READLINE_MARK	🙅
READLINE_POINT	🙅	REPLY	🙅	SECONDS	✔️
SHELL	✔️	SHELLOPTS	🙅	SHLVL	✔️
SRANDOM	✔️	TIMEFORMAT	🙅	TMOUT	🙅
TMPDIR	🙅	UID	🙅

beyond Bash

features	status
branch display in prompt	✔️

Thanks to

Partially in Japanese.

• blog articles
  • Rustでシェル作った | κeenのHappy Hacκing Blog
  • Rustで始める自作シェル その1 | ぶていのログでぶログ
  • Rustのターミナル操作crateいろいろ | meganehouser
  • 原理原則で理解するフォアグラウンドプロセスとバックグラウンドプロセスの違い | @tajima_taso
  • Bashタブ補完自作入門 | Cybouzu Inside Out

Copyright

© 2022-2024 shellgei group

• Ryuichi Ueda: @[email protected], @[email protected]
• @[email protected]