{"id":105249,"date":"2022-10-04T15:36:37","date_gmt":"2022-10-04T13:36:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-sistemy-upravleniya-ishodnymi-tekstami-git-2-38"},"modified":"2022-10-04T15:36:37","modified_gmt":"2022-10-04T13:36:37","slug":"vypusk-sistemy-upravleniya-ishodnymi-tekstami-git-2-38","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-sistemy-upravleniya-ishodnymi-tekstami-git-2-38","title":{"rendered":"Vyd\u00e1n\u00ed syst\u00e9mu pro spr\u00e1vu verz\u00ed Git 2.38","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byl vyd\u00e1n nov\u00fd  syst\u00e9m pro spr\u00e1vu verz\u00ed source k\u00f3du Git 2.38. Git je jedn\u00edm z nejpopul\u00e1rn\u011bj\u0161\u00edch, nejspolehliv\u011bj\u0161\u00edch a vysoce v\u00fdkonn\u00fdch syst\u00e9m\u016f pro spr\u00e1vu verz\u00ed, kter\u00fd poskytuje flexibiln\u00ed n\u00e1stroje pro ne-line\u00e1rn\u00ed v\u00fdvoj, zalo\u017een\u00e9 na v\u011btven\u00ed a slu\u010dov\u00e1n\u00ed v\u011btv\u00ed. Pro zaji\u0161t\u011bn\u00ed integrity historie a odolnosti v\u016f\u010di zm\u011bn\u00e1m \"zp\u011btn\u011b\" je pou\u017eito implicitn\u00ed hashov\u00e1n\u00ed cel\u00e9 p\u0159edchoz\u00ed historie v ka\u017ed\u00e9m commitu, a tak\u00e9 je mo\u017en\u00e9 ov\u011b\u0159en\u00ed digit\u00e1ln\u00edmi podpisy v\u00fdvoj\u00e1\u0159\u016f jednotliv\u00fdch tag\u016f a commit\u016f.       <\/p>\n<p>Ve srovn\u00e1n\u00ed s p\u0159edchoz\u00ed verz\u00ed byla do nov\u00e9 verze p\u0159ijata 699 zm\u011bn, p\u0159ipraven\u00fdch za \u00fa\u010dasti 92 v\u00fdvoj\u00e1\u0159\u016f, z nich\u017e 24 se pod\u00edlelo na v\u00fdvoji poprv\u00e9. Hlavn\u00ed novinky:  <\/p>\n<ul>\n<li class=\"l\"> Hlavn\u00ed sou\u010d\u00e1st\u00ed je n\u00e1stroj \"scalar\", vyvinut\u00fd spole\u010dnost\u00ed Microsoft pro spr\u00e1vu velk\u00fdch repozit\u00e1\u0159\u016f. N\u00e1stroj byl p\u016fvodn\u011b naps\u00e1n v jazyce C#, ale do gitu byl zahrnut p\u0159epracovan\u00fd variant v jazyce C. Nov\u00fd n\u00e1stroj se od p\u0159\u00edkazu git li\u0161\u00ed t\u00edm, \u017ee implicitn\u011b p\u0159id\u00e1v\u00e1 dal\u0161\u00ed funkce a nastaven\u00ed, kter\u00e9 ovliv\u0148uj\u00ed v\u00fdkon p\u0159i pr\u00e1ci s velmi velk\u00fdmi repozit\u00e1\u0159i. Nap\u0159\u00edklad p\u0159i pou\u017eit\u00ed scalar se uplat\u0148uje:\n<ul>\n<li class=\"l\"> \u010c\u00e1ste\u010dn\u00e9 klonov\u00e1n\u00ed pro pr\u00e1ci s ne\u00faplnou kopi\u00ed repozit\u00e1\u0159e.\n<li class=\"l\"> Vestav\u011bn\u00fd mechanismus sledov\u00e1n\u00ed zm\u011bn v souborov\u00e9m syst\u00e9mu (FSMonitor), kter\u00fd umo\u017e\u0148uje obej\u00edt se bez prohled\u00e1v\u00e1n\u00ed cel\u00e9ho pracovn\u00ed adres\u00e1\u0159e.\n<li class=\"l\">  Indexy pokr\u00fdvaj\u00edc\u00ed objekty v r\u016fzn\u00fdch bal\u00ed\u010dkov\u00fdch souborech (multi-pack).\n<li class=\"l\"> Soubory commit-graph s indexem grafu commit\u016f, kter\u00e9 se aplikuj\u00ed na optimalizaci p\u0159\u00edstupu k informac\u00edm o commitech.\n<li class=\"l\"> Pozad\u00ed periodick\u00e9 pr\u00e1ce pro udr\u017een\u00ed optim\u00e1ln\u00ed struktury repozit\u00e1\u0159e na pozad\u00ed, ani\u017e by blokovalo interaktivn\u00ed relaci (jednou za hodinu se prov\u00e1d\u00ed \u00fadr\u017eba p\u0159edb\u011b\u017en\u00e9ho na\u010d\u00edt\u00e1n\u00ed nov\u00fdch objekt\u016f z vzd\u00e1len\u00e9ho repozit\u00e1\u0159e a aktualizace souboru s grafem commit\u016f, a ka\u017edou noc se spou\u0161t\u00ed proces balen\u00ed repozit\u00e1\u0159e).\n<li class=\"l\"> Re\u017eim \"sparseCheckoutCone\", kter\u00fd omezuje povolen\u00e9 \u0161ablony p\u0159i \u010d\u00e1ste\u010dn\u00e9m klonov\u00e1n\u00ed.  <\/ul>\n<li class=\"l\"> Do p\u0159\u00edkazu \"git rebase\" byla p\u0159id\u00e1na mo\u017enost \"--update-refs\" pro aktualizaci z\u00e1visl\u00fdch v\u011btv\u00ed, kter\u00e9 se p\u0159ekr\u00fdvaj\u00ed s p\u0159esouvan\u00fdmi v\u011btvemi, aby se manu\u00e1ln\u011b nemusela prov\u00e1d\u011bt operace checkout pro ka\u017edou z\u00e1vislou v\u011btev pro p\u0159epnut\u00ed na po\u017eadovan\u00fd commit.\n<li class=\"l\"> Zaji\u0161t\u011bna kompatibilita p\u0159\u00edkazu \"git rm\" s \u010d\u00e1ste\u010dn\u00fdmi indexy.\n<li class=\"l\"> Zlep\u0161eno chov\u00e1n\u00ed p\u0159\u00edkazu \"git mv A B\" p\u0159i p\u0159esouv\u00e1n\u00ed souboru z pracovn\u00edho prostoru s \u010d\u00e1ste\u010dn\u00fdmi indexy v re\u017eimu \"cone\" do vn\u011bj\u0161\u00ed oblasti, pro kterou tento re\u017eim nen\u00ed aplikov\u00e1n.\n<li class=\"l\"> Byla provedena optimalizace form\u00e1tu bitmapov\u00fdch soubor\u016f pro pr\u00e1ci s velk\u00fdmi repozit\u00e1\u0159i \u2014 p\u0159id\u00e1na voliteln\u00e1 indexov\u00e1 tabulka se seznamem vybran\u00fdch commit\u016f a jejich posun\u016f.\n<li class=\"l\"> V p\u0159\u00edkazu \"git merge-tree\" byl implementov\u00e1n nov\u00fd re\u017eim, ve kter\u00e9m je na z\u00e1klad\u011b dvou zadan\u00fdch commit\u016f vypo\u010d\u00edt\u00e1na struktura s v\u00fdsledkem slou\u010den\u00ed, tak jakoby byly historie t\u011bchto commit\u016f slou\u010deny.\n<li class=\"l\"> Byla p\u0159id\u00e1na konfigurace \u201esafe.barerepository\u201c pro \u0159\u00edzen\u00ed mo\u017enosti umis\u0165ov\u00e1n\u00ed bare-repozit\u00e1\u0159\u016f (repozit\u00e1\u0159\u016f, kter\u00e9 neobsahuj\u00ed pracovn\u00ed strom) uvnit\u0159 jin\u00fdch git-repozit\u00e1\u0159\u016f. Pokud je nastavena na hodnotu \u201eexplicit\u201c, bude povoleno pracovat s bare-repozit\u00e1\u0159i um\u00edst\u011bn\u00fdmi pouze v horn\u00edm adres\u00e1\u0159i. Pro mo\u017enost umis\u0165ov\u00e1n\u00ed bare-repozit\u00e1\u0159\u016f v podadres\u00e1\u0159\u00edch by m\u011bla b\u00fdt pou\u017eita hodnota \u201eall\u201c.\n<li class=\"l\"> Do p\u0159\u00edkazu \u201egit grep\u201c byla p\u0159id\u00e1na mo\u017enost \u201e-m\u201c (\u201e--max-count\u201c), ekvivalentn\u00ed stejnojmenn\u00e9 mo\u017enosti v GNU grep, kter\u00e1 umo\u017e\u0148uje omezit po\u010det zobrazovan\u00fdch shod.\n<li class=\"l\"> V p\u0159\u00edkazu \u201els-files\u201c byla implementov\u00e1na mo\u017enost \u201e--format\u201c pro nastaven\u00ed zobrazovan\u00fdch pol\u00ed (nap\u0159\u00edklad lze zahrnout v\u00fdstup n\u00e1zvu objektu, re\u017eim\u016f atd.).\n<li class=\"l\"> V \u201egit cat-file\u201c p\u0159i zobrazov\u00e1n\u00ed obsahu objekt\u016f byla implementov\u00e1na mo\u017enost zohledn\u011bn\u00ed vazeb autor\u016f k email\u016fm uveden\u00fdm v souboru mailmap.  <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57868\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u043c\u0438 \u0442\u0435\u043a\u0441\u0442\u0430\u043c\u0438 Git 2.38. Git \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0434\u043d\u043e\u0439 \u0438\u0437 \u0441\u0430\u043c\u044b\u0445 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u044b\u0445, \u043d\u0430\u0434\u0451\u0436\u043d\u044b\u0445 \u0438 \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0432\u0435\u0440\u0441\u0438\u044f\u043c\u0438, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u0433\u0438\u0431\u043a\u0438\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u043d\u0435\u043b\u0438\u043d\u0435\u0439\u043d\u043e\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438, \u0431\u0430\u0437\u0438\u0440\u0443\u044e\u0449\u0438\u0435\u0441\u044f \u043d\u0430 \u043e\u0442\u0432\u0435\u0442\u0432\u043b\u0435\u043d\u0438\u0438 \u0438 \u0441\u043b\u0438\u044f\u043d\u0438\u0438 \u0432\u0435\u0442\u043e\u043a. \u0414\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u0438 \u0438\u0441\u0442\u043e\u0440\u0438\u0438 \u0438 \u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u0438 \u043a \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f\u043c &#171;\u0437\u0430\u0434\u043d\u0438\u043c \u0447\u0438\u0441\u043b\u043e\u043c&#187; \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u043d\u0435\u044f\u0432\u043d\u043e\u0435 \u0445\u0435\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0432\u0441\u0435\u0439 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0435\u0439 \u0438\u0441\u0442\u043e\u0440\u0438\u0438 \u0432 \u043a\u0430\u0436\u0434\u043e\u043c \u043a\u043e\u043c\u043c\u0438\u0442\u0435, \u0442\u0430\u043a\u0436\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u0443\u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u0435\u043d\u0438\u0435 \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u043c\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105249","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u043c\u0438 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