{"id":21,"date":"2026-06-17T11:07:06","date_gmt":"2026-06-17T09:07:06","guid":{"rendered":"https:\/\/it2507.sspu-opava.eu\/?page_id=21"},"modified":"2026-06-17T11:30:32","modified_gmt":"2026-06-17T09:30:32","slug":"historie-a-vraceni-zmen","status":"publish","type":"page","link":"https:\/\/it2507.sspu-opava.eu\/?page_id=21","title":{"rendered":"Historie a vracen\u00ed zm\u011bn"},"content":{"rendered":"\n<div class=\"content-card\">\n  <h1>Historie a vracen\u00ed zm\u011bn<\/h1>\n  <p>Git funguje jako dokonal\u00fd stroj \u010dasu. Cokoliv jsi do n\u011bj ulo\u017eil, m\u016f\u017ee\u0161 si znovu prohl\u00e9dnout nebo obnovit.<\/p>\n  \n  <h3>Pr\u016fzkum minulosti<\/h3>\n  \n  <p><strong>Zkr\u00e1cen\u00fd v\u00fdpis historie:<\/strong> Zobraz\u00ed p\u0159ehledn\u00fd seznam minul\u00fdch ulo\u017een\u00ed s jejich unik\u00e1tn\u00edm k\u00f3dem (hashem).<\/p>\n  <pre><code>git log --oneline<\/code><\/pre>\n\n  <p><strong>Detailn\u00ed porovn\u00e1n\u00ed (Diff):<\/strong> Uk\u00e1\u017ee p\u0159esn\u011b \u0159\u00e1dek po \u0159\u00e1dku (\u010derven\u011b smazan\u00e9, zelen\u011b p\u0159idan\u00e9), co se zm\u011bnilo p\u0159edt\u00edm, ne\u017e to ulo\u017e\u00ed\u0161.<\/p>\n  <pre><code>git diff<\/code><\/pre>\n\n  <h3>Opravy chyb<\/h3>\n  \n  <div class=\"info-box\">\n    Pokud n\u011bco opravdu pokaz\u00ed\u0161, nezoufej. Git m\u00e1 n\u00e1stroje na ka\u017edou situaci.\n  <\/div>\n\n  <p><strong>Slu\u0161n\u00e9 zru\u0161en\u00ed (Revert):<\/strong> Vytvo\u0159\u00ed \u00fapln\u011b <em>nov\u00fd<\/em> commit, kter\u00fd ud\u011bl\u00e1 p\u0159esn\u00fd opak toho nepoveden\u00e9ho. Neni\u010d\u00ed historii, tak\u017ee je bezpe\u010dn\u00fd pro t\u00fdmovou pr\u00e1ci.<\/p>\n  <pre><code>git revert &lt;hash-rozbiteho-commitu&gt;<\/code><\/pre>\n\n  <p><strong>Cesta v \u010dase zp\u011bt (Reset):<\/strong> Zru\u0161\u00ed v\u0161echny commity a\u017e do vybran\u00e9ho bodu v \u010dase. P\u0159i pou\u017eit\u00ed parametru <code class=\"inline\">--hard<\/code> sma\u017ee i rozpracovan\u00e9 \u00fapravy soubor\u016f.<\/p>\n  <pre><code>git reset --hard &lt;hash-dobreho-commitu&gt;<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Historie a vracen\u00ed zm\u011bn Git funguje jako dokonal\u00fd stroj \u010dasu. Cokoliv jsi do n\u011bj ulo\u017eil, m\u016f\u017ee\u0161 si znovu prohl\u00e9dnout nebo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-21","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Historie a vracen\u00ed zm\u011bn - Git<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/it2507.sspu-opava.eu\/?page_id=21\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Historie a vracen\u00ed zm\u011bn - Git\" \/>\n<meta property=\"og:description\" content=\"Historie a vracen\u00ed zm\u011bn Git funguje jako dokonal\u00fd stroj \u010dasu. 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