{"id":170397,"date":"2026-05-05T00:24:37","date_gmt":"2026-05-04T22:24:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/brush-v0-4-0"},"modified":"2026-05-05T00:24:37","modified_gmt":"2026-05-04T22:24:38","slug":"brush-v0-4-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/brush-v0-4-0","title":{"rendered":"Brush v0.4.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Brush v0.4.0\" src=\"\/wp-content\/uploads\/2026\/05\/deb96524d1d6aa343c36a9ae0b05d47e.jpg\" style=\"display:block;margin: 0 auto;\" \/>                                    <\/p>\n<p>Brush \u2013 je p\u0159\u00edkazov\u00fd shell napsan\u00fd v jazyce Rust, kter\u00fd spojuje kompatibilitu s POSIX a Bash s garancemi bezpe\u010dnosti pam\u011bti a v\u00fdkonu. Projekt si klade za c\u00edl st\u00e1t se plnohodnotnou alternativou tradi\u010dn\u00edch shell\u016f, umo\u017e\u0148uj\u00edc\u00ed spou\u0161t\u011bn\u00ed st\u00e1vaj\u00edc\u00edch skript\u016f a pou\u017eit\u00ed .bashrc t\u00e9m\u011b\u0159 bez zm\u011bn. Tato verze spojuje n\u011bkolik m\u011bs\u00edc\u016f pr\u00e1ce a v\u00edce ne\u017e 200 slou\u010den\u00fdch pull request\u016f, co\u017e v\u00fdrazn\u011b posunulo shell sm\u011brem k plnohodnotn\u00e9 n\u00e1hrad\u011b Bash a POSIX-kompatibiln\u00edch prost\u0159ed\u00ed.<\/p>\n<p>Hlavn\u00ed sm\u011bry v\u00fdvoje v t\u00e9to verzi:<\/p>\n<ul>\n<li>kompatibilita s Bsh: p\u0159id\u00e1ny set -e, set -u, pipefail, failglob, o\u0161et\u0159ova\u010d ERR, spolupracuj\u00edc\u00ed procesy a mnoho dal\u0161\u00edho;<\/li>\n<li>spolehlivost: bylo zlep\u0161eno zpracov\u00e1n\u00ed v\u00fdjime\u010dn\u00fdch p\u0159\u00edpad\u016f \u2013 zav\u0159en\u00fdch kan\u00e1l\u016f, po\u0161kozen\u00e9ho v\u00fdstupu, ne-UTF8 historie a dal\u0161\u00edch;<\/li>\n<li>platformy: roz\u0161\u00ed\u0159ena podpora pro macOS (funk\u010dnost jako login shell), zlep\u0161ena podpora pro Windows, FreeBSD, Android a 32-bitov\u00e9 syst\u00e9my;<\/li>\n<li>interaktivita: p\u0159id\u00e1ny voliteln\u00e9 TOML konfigurace, preexec\/precmd hooky, vylep\u0161ena podpora makra readline a dal\u0161\u00ed.<\/li>\n<\/ul>\n<h4>Kl\u00ed\u010dov\u00e1 zlep\u0161en\u00ed kompatibility s Bash<\/h4>\n<p>Nejd\u016fle\u017eit\u011bj\u0161\u00edmi vylep\u0161en\u00edmi t\u00e9to verze bylo v\u00fdrazn\u00e9 roz\u0161\u00ed\u0159en\u00ed podpory funkc\u00ed Bash. <strong>Zpracov\u00e1n\u00ed chyb<\/strong>:<\/p>\n<ul>\n<li>set -e (errexit) \u2013 okam\u017eit\u00e9 ukon\u010den\u00ed p\u0159i chyb\u011b;<\/li>\n<li>set -u (nounset) \u2013 chyba p\u0159i p\u0159\u00edstupu k neozna\u010den\u00e9 prom\u011bnn\u00e9;<\/li>\n<li>pipefail \u2013 n\u00e1vratov\u00fd k\u00f3d potrub\u00ed je ur\u010den posledn\u00edm selh\u00e1vaj\u00edc\u00edm p\u0159\u00edkazem;<\/li>\n<li>failglob \u2013 absence shody pro glob v\u00fdrazu nyn\u00ed vede k chyb\u011b.<\/li>\n<\/ul>\n<p><strong>O\u0161et\u0159ova\u010de (Traps) a spolupracuj\u00edc\u00ed procesy<\/strong>:<\/p>\n<ul>\n<li>o\u0161et\u0159ova\u010d ERR \u2013 umo\u017e\u0148uje vykon\u00e1vat p\u0159\u00edkazy p\u0159i v\u00fdskytu chyby;<\/li>\n<li>spolupracuj\u00edc\u00ed procesy (coproc) \u2013 spu\u0161t\u011bn\u00ed pozad\u00ed proces\u016f s obousm\u011brnou komunikac\u00ed.<\/li>\n<\/ul>\n<p><strong>Vestav\u011bn\u00e9 p\u0159\u00edkazy<\/strong>:<\/p>\n<ul>\n<li>vylep\u0161eno zpracov\u00e1n\u00ed mnoha aritmetick\u00fdch konstrukc\u00ed, v\u010detn\u011b liter\u00e1l\u016f s vysok\u00fdm z\u00e1kladem, p\u0159ete\u010den\u00ed a p\u0159i\u0159azovac\u00edch oper\u00e1tor\u016f;<\/li>\n<li>opravy a vylep\u0161en\u00ed se dotkly vestav\u011bn\u00fdch p\u0159\u00edkaz\u016f: caller, read, getopts, printf a dal\u0161\u00edch.<\/li>\n<\/ul>\n<h4>Roz\u0161\u00ed\u0159en\u00ed podpory platforem:<\/h4>\n<p>Verze v0.4.0 zp\u0159\u00edstup\u0148uje shell na \u0161ir\u0161\u00edm spektru za\u0159\u00edzen\u00ed:<\/p>\n<ul>\n<li>macOS: opraven probl\u00e9m, kter\u00fd zp\u016fsobil, \u017ee shell zamrzl p\u0159i p\u0159ihl\u00e1\u0161en\u00ed. Nyn\u00ed lze brush pou\u017e\u00edvat jako login shell;<\/li>\n<li>Windows: zlep\u0161en\u00ed zpracov\u00e1n\u00ed cest, p\u0159id\u00e1na emulace \/dev\/null, co\u017e v\u00fdrazn\u011b zvy\u0161uje u\u017eivatelsk\u00fd komfort na Windows;<\/li>\n<li>FreeBSD a Android: je podporov\u00e1na kompilace pro tyto platformy;<\/li>\n<\/ul>\n<h4>Interaktivn\u00ed funkce a API<\/h4>\n<ul>\n<li><strong>Konfigurace<\/strong>: byla p\u0159id\u00e1na podpora voliteln\u00e9ho TOML konfigura\u010dn\u00edho souboru (~\/.config\/brush\/config.toml) pro nastaven\u00ed specifick\u00e1 pro brush;<\/li>\n<li><strong>P\u0159izp\u016fsoben\u00ed<\/strong>: byly implementov\u00e1ny zsh styly preexec\/precmd hook\u016f (za experiment\u00e1ln\u00edho p\u0159\u00edznaku), kter\u00e9 jsou u\u017eite\u010dn\u00e9 pro vytv\u00e1\u0159en\u00ed vlastn\u00edch v\u00fdzev a n\u00e1stroj\u016f pro m\u011b\u0159en\u00ed \u010dasu;<\/li>\n<li><strong>API pro v\u00fdvoj\u00e1\u0159e<\/strong>: typ Shell je nyn\u00ed parametrizov\u00e1n pomoc\u00ed roz\u0161\u00ed\u0159en\u00ed (ShellExtensions), co\u017e v\u00fdvoj\u00e1\u0159\u016fm umo\u017e\u0148uje p\u0159id\u00e1vat vlastn\u00ed integrovan\u00e9 p\u0159\u00edkazy a m\u011bnit chov\u00e1n\u00ed prom\u011bnn\u00fdch bez nutnosti forkov\u00e1n\u00ed projektu;<\/li>\n<li><strong>R\u016fzn\u00e9<\/strong>:\n<ul> <noindex><\/p>\n<li>byla zlep\u0161ena podpora makra readline pro kompatibilitu s <a rel=\"nofollow\" href=\"https:\/\/github.com\/starship\/starship\">starship<\/a>, <a rel=\"nofollow\" href=\"https:\/\/atuin.sh\/\">atuin<\/a> a <a rel=\"nofollow\" href=\"https:\/\/github.com\/junegunn\/fzf\">fzf (github.com)<\/a>;<\/li>\n<p><\/noindex> <\/p>\n<li>byly p\u0159id\u00e1ny mo\u017enosti serializace AST a stavu shellu prost\u0159ednictv\u00edm serde;<\/li>\n<li>nyn\u00ed jsou v brush-parser a brush-core dostupn\u00e9 funkce serde pro mo\u017enost serializace AST a stavu shellu.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/opensource\/18282635\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Brush &ndash; \u044d\u0442\u043e \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u0430\u044f \u043e\u0431\u043e\u043b\u043e\u0447\u043a\u0430, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u0430\u044f \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0441\u043e\u0447\u0435\u0442\u0430\u0435\u0442 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441 POSIX \u0438 Bash \u0441 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u044f\u043c\u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043f\u0430\u043c\u044f\u0442\u0438 \u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u044e. \u041f\u0440\u043e\u0435\u043a\u0442 \u043d\u0430\u0446\u0435\u043b\u0435\u043d \u043d\u0430 \u0442\u043e, \u0447\u0442\u043e\u0431\u044b \u0441\u0442\u0430\u0442\u044c \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u043e\u0439 \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043e\u0439 \u0442\u0440\u0430\u0434\u0438\u0446\u0438\u043e\u043d\u043d\u044b\u043c \u043e\u0431\u043e\u043b\u043e\u0447\u043a\u0430\u043c, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u0441\u043a\u0440\u0438\u043f\u0442\u044b \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c .bashrc \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0431\u0435\u0437 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439. \u042d\u0442\u0430 \u0432\u0435\u0440\u0441\u0438\u044f \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u044f\u0435\u0442 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0431\u043e\u0442\u044b \u0438 \u0431\u043e\u043b\u0435\u0435 200 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0451\u043d\u043d\u044b\u0445 \u043f\u0443\u043b\u043b-\u0440\u0435\u043a\u0432\u0435\u0441\u0442\u043e\u0432, \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043f\u0440\u043e\u0434\u0432\u0438\u0433\u0430\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":170398,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-170397","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com 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