{"id":84081,"date":"2025-01-15T17:25:01","date_gmt":"2025-01-15T10:25:01","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=84081"},"modified":"2025-07-10T10:51:09","modified_gmt":"2025-07-10T03:51:09","slug":"ky-thuat-git-nang-cao","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/","title":{"rendered":"Top 10+ k\u1ef9 thu\u1eadt Git n\u00e2ng cao"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/#Luu_tru_tam_thoi_cac_thay_doi_voi_Git_stash\" >L\u01b0u tr\u1eef t\u1ea1m th\u1eddi c\u00e1c thay \u0111\u1ed5i v\u1edbi&nbsp;Git stash<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/#Thay_doi_co_chon_loc_voi_Git_cherry-pick\" >Thay \u0111\u1ed5i c\u00f3 ch\u1ecdn l\u1ecdc v\u1edbi Git cherry-pick<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/#Cac_ky_thuat_Git_nang_cao_dung_de_chinh_sua_lich_su_commit\" >C\u00e1c k\u1ef9 thu\u1eadt Git n\u00e2ng cao d\u00f9ng \u0111\u1ec3 ch\u1ec9nh s\u1eeda l\u1ecbch s\u1eed commit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/#Cac_ky_thuat_Git_nang_cao_dung_de_tim_kiem_trong_repository\" >C\u00e1c k\u1ef9 thu\u1eadt Git n\u00e2ng cao d\u00f9ng \u0111\u1ec3 t\u00ecm ki\u1ebfm trong repository<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/#Xem_lich_su_commit_voi_Git_log\" >Xem l\u1ecbch s\u1eed commit v\u1edbi Git log<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/#So_sanh_giua_cac_nguon_voi_Git_diff\" >So s\u00e1nh gi\u1eefa c\u00e1c ngu\u1ed3n v\u1edbi Git diff<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/#Khoi_phuc_nhanh_commit_bang_Git_reflog\" >Kh\u00f4i ph\u1ee5c nh\u00e1nh, commit b\u1eb1ng Git reflog<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/#Dieu_tra_loi_bang_Git_bisect\" >\u0110i\u1ec1u tra l\u1ed7i b\u1eb1ng Git bisect<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/#Ket_hop_thay_doi_voi_Git_rebase_va_Git_merge\" >K\u1ebft h\u1ee3p thay \u0111\u1ed5i v\u1edbi Git rebase v\u00e0 Git merge<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/#Perfect_commit\" >Perfect commit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/#Cac_cau_hoi_thuong_gap_ve_cac_ky_thuat_Git_nang_cao\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt Git n\u00e2ng cao<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/itviec.com\/blog\/ky-thuat-git-nang-cao\/#Tong_ket_Git_nang_cao\" >T\u1ed5ng k\u1ebft Git n\u00e2ng cao<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><em><strong>Trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c v\u1edbi Git, n\u1ebfu b\u1ea1n \u0111\u00e3 t\u1eebng g\u1eb7p nh\u1eefng s\u1ef1 c\u1ed1 \u0111\u00f2i h\u1ecfi c\u1ea7n nh\u1eefng b\u01b0\u1edbc x\u1eed l\u00fd ph\u1ee9c t\u1ea1p \u0111\u1ec3 kh\u1eafc ph\u1ee5c, th\u00ec \u0111\u00e2y ch\u00ednh l\u00e0 l\u00fac c\u00e1c k\u1ef9 thu\u1eadt Git n\u00e2ng cao ph\u00e1t huy t\u00e1c d\u1ee5ng.<\/strong><\/em><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt Git n\u00e2ng cao nh\u01b0:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">C\u00e1ch s\u1eed d\u1ee5ng Git stash, git cherry-pick<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Ch\u1ec9nh s\u1eeda commit trong l\u1ecbch s\u1eed<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">T\u00ecm ki\u1ebfm th\u00f4ng tin trong reppository<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Qu\u1ea3n l\u00fd l\u1ecbch s\u1eed b\u1eb1ng git log, git reflog<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u0110i\u1ec1u tra l\u1ed7i b\u1eb1ng git bisect<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-l\u01b0u-tr\u1eef-t\u1ea1m-th\u1eddi-cac-thay-d\u1ed5i-v\u1edbi-nbsp-git-stash\"><span class=\"ez-toc-section\" id=\"Luu_tru_tam_thoi_cac_thay_doi_voi_Git_stash\"><\/span><b>L\u01b0u tr\u1eef t\u1ea1m th\u1eddi c\u00e1c thay \u0111\u1ed5i v\u1edbi&nbsp;<\/b><b>Git stash<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Git stash l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd trong Git, cho ph\u00e9p t\u1ea1m th\u1eddi l\u01b0u tr\u1eef c\u00e1c thay \u0111\u1ed5i ch\u01b0a \u0111\u01b0\u1ee3c commit hi\u1ec7n c\u00f3 trong Working Directory v\u00e0 Staging Index, t\u1eeb \u0111\u00f3 tr\u1ea3 l\u1ea1i tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u cho khu v\u1ef1c l\u00e0m vi\u1ec7c. \u0110i\u1ec1u n\u00e0y gi\u00fap vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i tr\u1ea1ng th\u00e1i l\u00e0m vi\u1ec7c ho\u1eb7c x\u1eed l\u00fd c\u00f4ng vi\u1ec7c kh\u00e1c m\u00e0 kh\u00f4ng g\u00e2y xung \u0111\u1ed9t, m\u1ea5t d\u1eef li\u1ec7u.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-git-stash-ho\u1ea1t-d\u1ed9ng\"><b>C\u00e1ch Git stash ho\u1ea1t \u0111\u1ed9ng<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi ch\u1ea1y c\u00e2u l\u1ec7nh \u201c<\/span><b>git stash<\/b><span style=\"font-weight: 400;\">\u201d, b\u1ea1n c\u00f3 th\u1ec3:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">L\u01b0u tr\u1eef tr\u1ea1ng th\u00e1i l\u00e0m vi\u1ec7c hi\u1ec7n t\u1ea1i, bao g\u1ed3m:<\/span>\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">C\u00e1c thay \u0111\u1ed5i ch\u01b0a \u0111\u01b0\u1ee3c staged.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e1c thay \u0111\u1ed5i \u0111\u00e3 staged.<\/span><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">X\u00f3a c\u00e1c thay \u0111\u1ed5i \u0111\u00f3 kh\u1ecfi working directory, \u0111\u01b0a n\u00f3 v\u1ec1 tr\u1ea1ng th\u00e1i \u201cclean\u201d (gi\u1ed1ng nh\u01b0 sau khi checkout branch m\u1edbi).<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u01b0u \u00fd, nh\u1eefng t\u1eadp tin m\u1edbi (ch\u01b0a \u0111\u01b0\u1ee3c theo d\u00f5i b\u1edfi Git) v\u00e0 nh\u1eefng thay \u0111\u1ed5i \u1edf t\u1eadp tin c\u00f3 trong .gitignore s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Sau khi ho\u00e0n th\u00e0nh c\u00e1c c\u00f4ng vi\u1ec7c kh\u00e1c, b\u1ea1n c\u00f3 th\u1ec3 reapply (\u00e1p d\u1ee5ng l\u1ea1i) ho\u1eb7c x\u00f3a b\u1ecf stash.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cac-thao-tac-v\u1ec1-stash\"><b>C\u00e1c thao t\u00e1c v\u1ec1 stash<\/b><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-th\u1ef1c-hi\u1ec7n-l\u01b0u-t\u1ea1m-th\u1eddi-cac-thay-d\u1ed5i\"><strong>Th\u1ef1c hi\u1ec7n l\u01b0u t\u1ea1m th\u1eddi c\u00e1c thay \u0111\u1ed5i<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git stash<\/span><\/code><\/pre>\n\n\n\n<p>M\u1ee5c \u0111\u00edch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">L\u01b0u t\u1ea5t c\u1ea3 c\u00e1c thay \u0111\u1ed5i \u0111\u01b0\u1ee3c theo d\u00f5i (staged v\u00e0 unstaged).<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Kh\u00f4ng bao g\u1ed3m t\u1eadp tin ch\u01b0a \u0111\u01b0\u1ee3c theo d\u00f5i ho\u1eb7c b\u1ecb ignore.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-xem-danh-sach-cac-stash\"><strong>Xem danh s\u00e1ch c\u00e1c stash<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git stash list<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u1ec7nh n\u00e0y s\u1ebd hi\u1ec3n th\u1ecb danh s\u00e1ch c\u00e1c stash \u0111\u00e3 l\u01b0u tr\u01b0\u1edbc \u0111\u00f3:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"848\" height=\"116\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-stash-vippro.jpg\" alt=\"git n\u00e2ng cao - git stash - itviec blog\" class=\"wp-image-84114\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-stash-vippro.jpg 848w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-stash-vippro-300x41.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-stash-vippro-640x88.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-stash-vippro-200x27.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-stash-vippro-768x105.jpg 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-stash-vippro-100x14.jpg 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-stash-vippro-700x96.jpg 700w\" sizes=\"auto, (max-width: 848px) 100vw, 848px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-ap-d\u1ee5ng-l\u1ea1i-stash-va-xoa-stash\"><strong>\u00c1p d\u1ee5ng l\u1ea1i stash v\u00e0 x\u00f3a stash<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git stash pop<\/span><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-ap-d\u1ee5ng-l\u1ea1i-stash-nh\u01b0ng-v\u1eabn-gi\u1eef-l\u1ea1i-stash\"><strong>\u00c1p d\u1ee5ng l\u1ea1i stash nh\u01b0ng v\u1eabn gi\u1eef l\u1ea1i stash<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git stash apply<\/span><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-xoa-t\u1ea5t-c\u1ea3-stash\"><strong>X\u00f3a t\u1ea5t c\u1ea3 stash<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git stash clear<\/span><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-thay-d\u1ed5i-co-ch\u1ecdn-l\u1ecdc-v\u1edbi-git-cherry-pick\"><span class=\"ez-toc-section\" id=\"Thay_doi_co_chon_loc_voi_Git_cherry-pick\"><\/span><b>Thay \u0111\u1ed5i c\u00f3 ch\u1ecdn l\u1ecdc v\u1edbi Git cherry-pick<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Git cherry-pick l\u00e0 l\u1ec7nh d\u00f9ng \u0111\u1ec3 \u00e1p d\u1ee5ng m\u1ed9t ho\u1eb7c nhi\u1ec1u commit c\u1ee5 th\u1ec3 t\u1eeb m\u1ed9t nh\u00e1nh kh\u00e1c v\u00e0o nh\u00e1nh hi\u1ec7n t\u1ea1i (sao ch\u00e9p commits). \u0110i\u1ec1u n\u00e0y r\u1ea5t h\u1eefu \u00edch khi b\u1ea1n ch\u1ec9 mu\u1ed1n ch\u1ecdn l\u1ecdc m\u1ed9t s\u1ed1 thay \u0111\u1ed5i nh\u1ea5t \u0111\u1ecbnh m\u00e0 kh\u00f4ng mu\u1ed1n h\u1ee3p nh\u1ea5t to\u00e0n b\u1ed9 nh\u00e1nh.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p c\u01a1 b\u1ea3n:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git cherry-pick &lt;commit <\/span><span style=\"font-weight: 400;\">hash<\/span><span style=\"font-weight: 400;\">&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, ta c\u00f3 nh\u00e1nh feat\/sample-2 \u0111ang c\u00f3 hai commit m\u1edbi l\u00e0 \u201ccommit 2\u201d v\u00e0 \u201ccommit 3\u201d, v\u00e0 nh\u00e1nh feat\/sample-1:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1058\" height=\"90\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-1-vippro.png\" alt=\"git n\u00e2ng cao - git cherry pick - itviec blog\" class=\"wp-image-84116\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-1-vippro.png 1058w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-1-vippro-300x26.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-1-vippro-640x54.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-1-vippro-200x17.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-1-vippro-768x65.png 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-1-vippro-100x9.png 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-1-vippro-700x60.png 700w\" sizes=\"auto, (max-width: 1058px) 100vw, 1058px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"491\" height=\"75\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-2-vippro.png\" alt=\"git n\u00e2ng cao - git cherry pick - itviec blog\" class=\"wp-image-84115\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-2-vippro.png 491w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-2-vippro-300x46.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-2-vippro-200x31.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cap-git-cherry-pick-2-vippro-100x15.png 100w\" sizes=\"auto, (max-width: 491px) 100vw, 491px\" \/><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\">N\u1ebfu s\u1eed d\u1ee5ng h\u1ee3p nh\u1ea5t (git merge ho\u1eb7c git rebase), th\u00ec s\u1ebd \u00e1p d\u1ee5ng to\u00e0n b\u1ed9 c\u00e1c commits t\u1eeb feat\/sample-2 v\u00e0o feat\/sample-1. Nh\u01b0ng trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n ch\u1ec9 \u0111ang mu\u1ed1n \u00e1p d\u1ee5ng commit 2 cho nh\u00e1nh feat\/sample-1, th\u00ec b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cherry-pick:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git checkout feat\/sample-1 <\/span><span style=\"font-weight: 400;\"># \u0111\u1ea3m b\u1ea3o \u0111ang \u0111\u1ee9ng t\u1ea1i nh\u00e1nh feat\/sample-1<\/span>\n<span style=\"font-weight: 400;\">git cherry-pick 545b48e<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u00fac n\u00e0y, Git s\u1ebd th\u1ef1c hi\u1ec7n sao ch\u00e9p c\u1ee7a commit 2 v\u00e0 \u00e1p d\u1ee5ng commit v\u00e0o nh\u00e1nh feat\/sample-1. Nh\u01b0ng v\u00ec \u0111\u00e2y l\u00e0 m\u1ed9t h\u00e0nh \u0111\u1ed9ng sao ch\u00e9p n\u00ean m\u1eb7c d\u00f9 tr\u00f4ng c\u00f3 v\u1ebb gi\u1ed1ng nhau, tuy nhi\u00ean \u0111\u00e2y v\u1eabn l\u00e0 2 commit ri\u00eang bi\u1ec7t v\u00e0 c\u00f3 th\u00f4ng tin commit-hash kh\u00e1c nhau:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1148\" height=\"116\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-cherry-pick-3-vippro.png\" alt=\"git na\u0302ng cao - git cherry pick - itviec blog\" class=\"wp-image-84117\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-cherry-pick-3-vippro.png 1148w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-cherry-pick-3-vippro-300x30.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-cherry-pick-3-vippro-640x65.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-cherry-pick-3-vippro-200x20.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-cherry-pick-3-vippro-768x78.png 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-cherry-pick-3-vippro-100x10.png 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-cherry-pick-3-vippro-700x71.png 700w\" sizes=\"auto, (max-width: 1148px) 100vw, 1148px\" \/><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\">Tr\u01b0\u1eddng h\u1ee3p \u0111\u1ec3 \u00e1p d\u1ee5ng c\u00f9ng l\u00fac nhi\u1ec1u commits, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n li\u1ec7t k\u00ea c\u1ee5 th\u1ec3 t\u1eebng commits theo c\u00fa ph\u00e1p sau:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git cherry-pick &lt;commit <\/span><span style=\"font-weight: 400;\">hash<\/span><span style=\"font-weight: 400;\"> 1&gt; &lt;commit <\/span><span style=\"font-weight: 400;\">hash<\/span><span style=\"font-weight: 400;\"> 2&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Ho\u1eb7c theo ph\u1ea1m vi:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git cherry-pick &lt;commit <\/span><span style=\"font-weight: 400;\">hash<\/span><span style=\"font-weight: 400;\"> A&gt;..&lt;commit <\/span><span style=\"font-weight: 400;\">hash<\/span><span style=\"font-weight: 400;\"> B&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec1u n\u00e0y s\u1ebd cherry-pick t\u1ea5t c\u1ea3 commit t\u1eeb A \u0111\u1ebfn B (L\u01b0u \u00fd: Commit B s\u1ebd \u0111\u01b0\u1ee3c bao g\u1ed3m, nh\u01b0ng commit A th\u00ec kh\u00f4ng).&nbsp;<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-k\u1ef9-thu\u1eadt-git-nang-cao-dung-d\u1ec3-ch\u1ec9nh-s\u1eeda-l\u1ecbch-s\u1eed-commit\"><span class=\"ez-toc-section\" id=\"Cac_ky_thuat_Git_nang_cao_dung_de_chinh_sua_lich_su_commit\"><\/span><b>C\u00e1c k\u1ef9 thu\u1eadt Git n\u00e2ng cao d\u00f9ng \u0111\u1ec3 ch\u1ec9nh s\u1eeda l\u1ecbch s\u1eed commit<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c v\u1edbi Git, s\u1ebd c\u00f3 nhi\u1ec1u t\u00ecnh hu\u1ed1ng x\u1ea3y ra kh\u00f4ng mong mu\u1ed1n \u0111\u1ed1i v\u1edbi c\u00e1c commit nh\u01b0:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Th\u00f4ng \u0111i\u1ec7p commit c\u00f3 n\u1ed9i dung sai ch\u00ednh t\u1ea3<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Commit b\u1ecb thi\u1ebfu t\u1eadp tin c\u00f3 li\u00ean quan<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00f3 nhi\u1ec1u commit nh\u1ecf l\u1ebb t\u1ebb, d\u01b0 th\u1eeba<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u00fac n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 thao t\u00e1c v\u1edbi l\u1ecbch s\u1eed commit.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-git-commit-amend\"><b>git commit &#8211;amend<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u1ec7nh git commit <code>--amend<\/code> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ec9nh s\u1eeda commit g\u1ea7n nh\u1ea5t trong Git. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 thay \u0111\u1ed5i th\u00f4ng \u0111i\u1ec7p commit, th\u00eam ho\u1eb7c lo\u1ea1i b\u1ecf t\u1eadp tin trong commit, th\u1eadm ch\u00ed l\u00e0 s\u1eeda l\u1ed7i commit tr\u01b0\u1edbc \u0111\u00f3 m\u00e0 kh\u00f4ng c\u1ea7n t\u1ea1o th\u00eam commit m\u1edbi.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p c\u01a1 b\u1ea3n:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git commit --amend<\/span><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-cac-tr\u01b0\u1eddng-h\u1ee3p-s\u1eed-d\u1ee5ng-git-commit-amend\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng git commit &#8211;amend<\/strong><\/h4>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-ch\u1ec9nh-s\u1eeda-thong-di\u1ec7p-c\u1ee7a-commit\"><b>Ch\u1ec9nh s\u1eeda th\u00f4ng \u0111i\u1ec7p c\u1ee7a commit<\/b><\/h5>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git commit --amend -m <\/span><span style=\"font-weight: 400;\">\"th\u00f4ng \u0111i\u1ec7p m\u1edbi\"<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Git s\u1ebd t\u1ef1 \u0111\u1ed9ng thay th\u1ebf th\u00f4ng \u0111i\u1ec7p m\u1edbi cho commit m\u1edbi nh\u1ea5t \u1edf nh\u00e1nh hi\u1ec7n t\u1ea1i.<\/span><\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-b\u1ed5-sung-them-t\u1eadp-tin\"><b>B\u1ed5 sung th\u00eam t\u1eadp tin<\/b><\/h5>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n \u0111\u00e3 th\u1ef1c hi\u1ec7n commit nh\u01b0ng ph\u00e1t hi\u1ec7n c\u00f2n s\u00f3t l\u1ea1i t\u1eadp tin c\u1ea7n b\u1ed5 sung:<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 1:<\/strong> Th\u00eam t\u1eadp tin v\u00e0o staging area<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git add &lt;file&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 2:<\/strong> Th\u1ef1c hi\u1ec7n s\u1eeda commit<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git commit --amend<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u00fac n\u00e0y t\u1eadp tin s\u1ebd \u0111\u01b0\u1ee3c th\u00eam v\u00e0o commit g\u1ea7n nh\u1ea5t v\u00e0 kh\u00f4ng c\u1ea7n t\u1ea1o th\u00eam commit m\u1edbi.<\/span><\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-xoa-b\u1ecf-t\u1eadp-tin-khong-c\u1ea7n-thi\u1ebft\"><b>X\u00f3a b\u1ecf t\u1eadp tin kh\u00f4ng c\u1ea7n thi\u1ebft<\/b><\/h5>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n \u0111\u00e3 v\u00f4 t\u00ecnh \u0111\u01b0a t\u1eadp tin kh\u00f4ng mong mu\u1ed1n v\u00e0o commit:<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 1:<\/strong> Chuy\u1ec3n t\u1eadp tin v\u1ec1 tr\u1ea1ng th\u00e1i tr\u01b0\u1edbc \u0111\u00f3<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git reset HEAD~ -- &lt;file&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 2:<\/strong> Th\u1ef1c hi\u1ec7n s\u1eeda commit<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git commit --amend<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u00fac n\u00e0y thay \u0111\u1ed5i c\u1ee7a t\u1eadp tin s\u1ebd \u0111\u01b0\u1ee3c x\u00f3a kh\u1ecfi commit g\u1ea7n nh\u1ea5t v\u00e0 \u0111\u01b0a tr\u1edf l\u1ea1i khu v\u1ef1c l\u00e0m vi\u1ec7c.<\/span><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><span style=\"font-weight: 400;\"><strong>L\u01b0u \u00fd:<\/strong> Git commit <code>--amend<\/code> ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed1i v\u1edbi c\u00e1c commit v\u1eabn \u0111ang \u1edf kho l\u01b0u tr\u1eef c\u1ee5c b\u1ed9 v\u00e0 ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u1ea9y l\u00ean remote repository.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec1u n\u00e0y gi\u00fap h\u1ea1n ch\u1ebf x\u1ea3y ra xung \u0111\u1ed9t m\u00e3 ngu\u1ed3n khi l\u00e0m vi\u1ec7c v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi.<\/span><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-interactive-rebase\"><b>Interactive rebase<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 m\u1ed9t ch\u1ee9c n\u0103ng m\u1ea1nh m\u1ebd cung c\u1ea5p nhi\u1ec1u t\u00f9y ch\u1ecdn linh ho\u1ea1t \u0111\u1ec3 ch\u1ec9nh s\u1eeda l\u1ecbch s\u1eed commit. Nh\u1eefng ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a n\u00f3 bao g\u1ed3m:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Thay \u0111\u1ed5i th\u1ee9 t\u1ef1 commit<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Thay \u0111\u1ed5i n\u1ed9i dung ho\u1eb7c th\u00f4ng \u0111i\u1ec7p commit<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">G\u1ed9p commit (squash)<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">X\u00f3a commit kh\u00f4ng mong mu\u1ed1n<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-cu-phap\"><b>C\u00fa ph\u00e1p<\/b><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git rebase -i &lt;base&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong \u0111\u00f3, &lt;base&gt; l\u00e0 ph\u1ea1m vi commit c\u1ea7n \u0111\u01b0\u1ee3c thao t\u00e1c:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\"><code>- HEAD~n<\/code>: b\u1eaft \u0111\u1ea7u t\u1eeb commit \u0111\u1ee9ng tr\u01b0\u1edbc n commit g\u1ea7n nh\u1ea5t v\u00e0 thao t\u00e1c tr\u00ean n commit g\u1ea7n nh\u1ea5t.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><code>- &lt;commit-hash><\/code>: b\u1eaft \u0111\u1ea7u t\u1eeb commit ngay sau commit c\u00f3 hash n\u00e0y v\u00e0 thao t\u00e1c tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c commit t\u1eeb \u0111\u00f3 \u0111\u1ebfn HEAD.<\/span><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-cac-tr\u01b0\u1eddng-h\u1ee3p-s\u1eed-d\u1ee5ng-interactive-rebase\"><b>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng Interactive rebase<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 l\u00e0m r\u00f5 c\u00e1c c\u00f4ng d\u1ee5ng c\u1ee7a <\/span><b>Interactive rebase<\/b><span style=\"font-weight: 400;\">, ch\u00fang ta h\u00e3y c\u00f9ng xem qua v\u00ed d\u1ee5 sau:<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Gi\u1ea3 s\u1eed ta c\u00f3 nh\u00e1nh develop v\u1edbi c\u00e1c commit nh\u01b0 sau:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">07ce17d (HEAD -&gt; develop) commit 4<\/span>\n<span style=\"font-weight: 400;\">8d01940 commit 3<\/span>\n<span style=\"font-weight: 400;\">545b48e commit 2<\/span>\n<span style=\"font-weight: 400;\">d400fbb commit 1<\/span><\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-thay-d\u1ed5i-th\u1ee9-t\u1ef1-cac-commit\"><b>Thay \u0111\u1ed5i th\u1ee9 t\u1ef1 c\u00e1c commit<\/b><\/h5>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 1:<\/strong>&nbsp;V\u00ed d\u1ee5 \u0111\u1ec3 \u0111\u1ed5i ch\u1ed7 v\u1ecb tr\u00ed c\u1ee7a commit 2 v\u00e0 commit 3, ta th\u1ef1c hi\u1ec7n l\u1ec7nh:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git rebase -i d400fbb<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong \u0111\u00f3, d400fbb l\u00e0 hash c\u1ee7a commit 1 (Git s\u1ebd th\u1ef1c hi\u1ec7n rebase cho commit \u0111\u1ee9ng li\u1ec1n sau n\u00f3 l\u00e0 commit 2 \u0111\u1ebfn HEAD). L\u00fac n\u00e0y, Git s\u1ebd m\u1edf tr\u00ecnh so\u1ea1n th\u1ea3o hi\u1ec3n th\u1ecb danh s\u00e1ch commit:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">pick 545b48e commit 2<\/span>\n\n<span style=\"font-weight: 400;\">pick 8d01940 commit 3<\/span>\n\n<span style=\"font-weight: 400;\">pick 07ce17d commit 4<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 2:<\/strong> Th\u1ef1c hi\u1ec7n \u0111\u1ed5i ch\u1ed7 cho commit 2 v\u00e0 commit 3:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">pick 8d01940 commit 3<\/span>\n\n<span style=\"font-weight: 400;\">pick 545b48e commit 2<\/span>\n\n<span style=\"font-weight: 400;\">pick 07ce17d commit 4<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 3:<\/strong> L\u01b0u v\u00e0 tho\u00e1t.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Git s\u1ebd vi\u1ebft l\u1ea1i l\u1ecbch s\u1eed commit theo th\u1ee9 t\u1ef1 m\u1edbi \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh (commit hash c\u1ee7a nh\u1eefng commit trong ph\u1ea1m vi rebase s\u1ebd \u0111\u01b0\u1ee3c thay gi\u00e1 tr\u1ecb m\u1edbi).<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">34370aa (HEAD -&gt; develop) commit 4<\/span>\n\n<span style=\"font-weight: 400;\">0f41ced commit 2<\/span>\n\n<span style=\"font-weight: 400;\">975844f commit 3<\/span>\n\n<span style=\"font-weight: 400;\">d400fbb commit 1<\/span><\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-thay-d\u1ed5i-n\u1ed9i-dung-commit\"><b>Thay \u0111\u1ed5i n\u1ed9i dung commit<\/b><\/h5>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 1:<\/strong>&nbsp;V\u00ed d\u1ee5 \u0111\u1ec3 \u0111\u1ed5i t\u00ean \u201ccommit 2\u201d th\u00e0nh \u201ccommit 2 new\u201d, ta th\u1ef1c hi\u1ec7n rebase -i v\u1edbi commit hash l\u00e0 commit 3 (b\u1edfi v\u00ec b\u00e2y gi\u1edd commit 3 \u0111\u1ee9ng ngay tr\u01b0\u1edbc commit 2):<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git rebase -i 975844f<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u00fac n\u00e0y, Git s\u1ebd m\u1edf tr\u00ecnh so\u1ea1n th\u1ea3o hi\u1ec3n th\u1ecb danh s\u00e1ch commit:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">pick 0f41ced commit 2<\/span>\n\n<span style=\"font-weight: 400;\">pick 34370aa commit 4<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 2:<\/strong>&nbsp;Th\u1ef1c hi\u1ec7n \u0111\u1ed5i t\u00ean cho commit 2 b\u1eb1ng c\u00e1ch thay ch\u1eef \u201cpick\u201d th\u00e0nh ch\u1eef \u201creword\u201d:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">reword 0f41ced commit 2<\/span>\n<span style=\"font-weight: 400;\">pick 34370aa commit 4<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 3:<\/strong> L\u01b0u v\u00e0 tho\u00e1t, Git s\u1ebd t\u1ef1 \u0111\u1ed9ng m\u1edf ti\u1ebfp 1 tr\u00ecnh so\u1ea1n th\u1ea3o \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda th\u00f4ng \u0111i\u1ec7p cho commit 2 th\u00e0nh \u201ccommit 2 new\u201d.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 4:<\/strong>&nbsp;L\u01b0u v\u00e0 tho\u00e1t, l\u1ecbch s\u1eed commit m\u1edbi s\u1ebd c\u00f3 d\u1ea1ng:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">aabb0ad (HEAD -&gt; develop) commit 4<\/span>\n<span style=\"font-weight: 400;\">c785d8d commit 2 new<\/span>\n<span style=\"font-weight: 400;\">975844f commit 3<\/span>\n<span style=\"font-weight: 400;\">d400fbb commit 1<\/span><\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-g\u1ed9p-commit\"><b>G\u1ed9p commit<\/b><\/h5>\n\n\n\n<p><span style=\"font-weight: 400;\">B\u00e2y gi\u1edd, n\u1ebfu ch\u00fang ta mu\u1ed1n g\u1ed9p hai commit 2 v\u00e0 3 th\u00e0nh 1 commit m\u1edbi, \u0111\u1ec3 gi\u1ea3m b\u1edbt s\u1ed1 l\u01b0\u1ee3ng commit, ta c\u00f3 th\u1ec3 l\u00e0m theo c\u00e1c b\u01b0\u1edbc sau:<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 1:<\/strong> Th\u1ef1c hi\u1ec7n rebase -i v\u1edbi commit hash l\u00e0 commit 1<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git rebase -i d400fbb<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 2:<\/strong>&nbsp;Thay ch\u1eef \u201cpick\u201d \u1edf tr\u01b0\u1edbc commit 2 th\u00e0nh ch\u1eef \u201csquash\u201d<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">pick 975844f commit 3<\/span>\n<span style=\"font-weight: 400;\">squash c785d8d commit 2 new<\/span>\n<span style=\"font-weight: 400;\">pick aabb0ad commit 4<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 3:<\/strong> L\u01b0u v\u00e0 tho\u00e1t. Git s\u1ebd th\u1ef1c hi\u1ec7n g\u1ed9p commit 2 v\u1edbi commit tr\u01b0\u1edbc n\u00f3 l\u00e0 commit 3, sau \u0111\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng m\u1edf tr\u00ecnh so\u1ea1n th\u1ea3o \u0111\u1ec3 b\u1ea1n b\u1ed5 sung th\u00f4ng \u0111i\u1ec7p cho commit m\u1edbi<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 4:<\/strong> Sau khi th\u00eam th\u00f4ng \u0111i\u1ec7p v\u00e0 tho\u00e1t, l\u1ecbch s\u1eed commit m\u1edbi s\u1ebd c\u00f3 d\u1ea1ng:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">4698cd8 (HEAD -&gt; develop) commit 4<\/span>\n<span style=\"font-weight: 400;\">16acfbf squash commit 2 &amp; 3<\/span>\n<span style=\"font-weight: 400;\">d400fbb commit 1<\/span><\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-xoa-commit\"><b>X\u00f3a commit<\/b><\/h5>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 b\u00e2y gi\u1edd b\u1ea1n ph\u00e1t hi\u1ec7n n\u1ed9i dung c\u1ee7a commit 1 kh\u00f4ng \u0111\u00fang v\u00e0 mu\u1ed1n lo\u1ea1i b\u1ecf n\u00f3, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n theo b\u01b0\u1edbc sau:<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 1:<\/strong> B\u1edfi v\u00ec commit 1 l\u00e0 commit \u0111\u1ea7u ti\u00ean, n\u00ean \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh v\u1ecb tr\u00ed tr\u01b0\u1edbc commit 1, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00fa ph\u00e1p sau:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git rebase -i --root<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 2:<\/strong> Thay ch\u1eef \u201cpick\u201d \u1edf tr\u01b0\u1edbc commit 1 th\u00e0nh ch\u1eef \u201cdrop\u201d<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">drop d400fbb commit 1<\/span>\n<span style=\"font-weight: 400;\">pick 16acfbf commit 3<\/span>\n<span style=\"font-weight: 400;\">pick 4698cd8 commit 4<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 3:<\/strong> L\u01b0u v\u00e0 tho\u00e1t. Git s\u1ebd t\u1ef1 \u0111\u1ed9ng lo\u1ea1i b\u1ecf commit 1<\/span><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><span style=\"font-weight: 400;\"><strong>L\u01b0u \u00fd:<\/strong> Ch\u1ec9 n\u00ean s\u1eed d\u1ee5ng Interactive rebase \u0111\u1ed1i v\u1edbi nh\u1eefng d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u1ea9y l\u00ean remote repository \u0111\u1ec3 tr\u00e1nh x\u1ea3y ra xung \u0111\u1ed9t v\u1edbi nh\u1eefng ng\u01b0\u1eddi c\u1ed9ng t\u00e1c kh\u00e1c.<\/span><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-k\u1ef9-thu\u1eadt-git-nang-cao-dung-d\u1ec3-tim-ki\u1ebfm-trong-repository\"><span class=\"ez-toc-section\" id=\"Cac_ky_thuat_Git_nang_cao_dung_de_tim_kiem_trong_repository\"><\/span><b>C\u00e1c k\u1ef9 thu\u1eadt Git n\u00e2ng cao d\u00f9ng \u0111\u1ec3 t\u00ecm ki\u1ebfm trong repository<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u00ecm ki\u1ebfm trong Git, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ec7nh kh\u00e1c nhau, t\u00f9y thu\u1ed9c v\u00e0o n\u1ed9i dung b\u1ea1n mu\u1ed1n t\u00ecm ki\u1ebfm. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c c\u00e1ch t\u00ecm ki\u1ebfm ph\u1ed5 bi\u1ebfn trong Git:<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-tim-ki\u1ebfm-n\u1ed9i-dung-b\u1eb1ng-git-grep\"><b>T\u00ecm ki\u1ebfm n\u1ed9i dung b\u1eb1ng Git grep<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Git grep l\u00e0 m\u1ed9t c\u00e2u l\u1ec7nh trong Git d\u00f9ng \u0111\u1ec3 t\u00ecm ki\u1ebfm m\u1ed9t n\u1ed9i dung c\u1ee5 th\u1ec3 trong to\u00e0n b\u1ed9 kho l\u01b0u tr\u1eef ho\u1eb7c trong c\u00e1c t\u1eadp tin \u0111\u00e3 \u0111\u01b0\u1ee3c theo d\u00f5i (tracked) b\u1edfi Git.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1ch s\u1eed d\u1ee5ng:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git grep <\/span><span style=\"font-weight: 400;\">\"keyword\"<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: \u0110\u1ec3 t\u00ecm ki\u1ebfm nh\u1eefng t\u1eadp tin c\u00f3 ch\u1ee9a t\u1eeb \u201chello\u201d:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git grep <\/span><span style=\"font-weight: 400;\">\"hello\"<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u00fac n\u00e0y, git s\u1ebd t\u00ecm ki\u1ebfm t\u1ea5t c\u1ea3 t\u1eadp tin trong repository v\u00e0 tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1104\" height=\"118\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-grep-vippro.jpg\" alt=\"git n\u00e2ng cao - git grep - itviec blog\" class=\"wp-image-84118\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-grep-vippro.jpg 1104w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-grep-vippro-300x32.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-grep-vippro-640x68.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-grep-vippro-200x21.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-grep-vippro-768x82.jpg 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-grep-vippro-100x11.jpg 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-grep-vippro-700x75.jpg 700w\" sizes=\"auto, (max-width: 1104px) 100vw, 1104px\" \/><\/figure>\n\n\n\n<p>M\u1ed9t s\u1ed1 t\u00f9y ch\u1ecdn b\u1ed5 sung:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-hi\u1ec3n-th\u1ecb-s\u1ed1-dong\"><strong>Hi\u1ec3n th\u1ecb s\u1ed1 d\u00f2ng<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git grep -n <\/span><span style=\"font-weight: 400;\">\"TODO\"<\/span><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-gi\u1edbi-h\u1ea1n-ph\u1ea1m-vi-tim-ki\u1ebfm\"><strong>Gi\u1edbi h\u1ea1n ph\u1ea1m vi t\u00ecm ki\u1ebfm<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git grep <\/span><span style=\"font-weight: 400;\">\"TODO\"<\/span><span style=\"font-weight: 400;\"> -- &lt;\u0111\u01b0\u1eddng d\u1eabn t\u1eadp tin&gt;<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-tim-ki\u1ebfm-trong-l\u1ecbch-s\u1eed-commit\"><b>T\u00ecm ki\u1ebfm trong l\u1ecbch s\u1eed commit<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Git log cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00f9y ch\u1ecdn \u0111\u1ec3 c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm commit n\u00e0o c\u00f3 ch\u1ee9a n\u1ed9i dung, th\u00f4ng \u0111i\u1ec7p, ho\u1eb7c thay \u0111\u1ed5i li\u00ean quan \u0111\u1ebfn t\u1eeb kh\u00f3a.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-tim-commit-co-thong-di\u1ec7p-ch\u1ee9a-t\u1eeb-khoa\"><strong>T\u00ecm commit c\u00f3 th\u00f4ng \u0111i\u1ec7p ch\u1ee9a t\u1eeb kh\u00f3a<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git <\/span><span style=\"font-weight: 400;\">log<\/span><span style=\"font-weight: 400;\"> --grep=<\/span><span style=\"font-weight: 400;\">\"t\u1eeb kh\u00f3a\"<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Git s\u1ebd tr\u1ea3 v\u1ec1 danh s\u00e1ch c\u00e1c commit m\u00e0 n\u1ed9i dung th\u00f4ng \u0111i\u1ec7p ch\u1ee9a t\u1eeb kh\u00f3a \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-tim-commit-co-n\u1ed9i-dung-thay-d\u1ed5i-ch\u1ee9a-t\u1eeb-khoa\"><strong>T\u00ecm commit c\u00f3 n\u1ed9i dung thay \u0111\u1ed5i ch\u1ee9a t\u1eeb kh\u00f3a<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git <\/span><span style=\"font-weight: 400;\">log<\/span><span style=\"font-weight: 400;\"> -S <\/span><span style=\"font-weight: 400;\">\"n\u1ed9i dung c\u1ea7n t\u00ecm\"<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Git s\u1ebd tr\u1ea3 v\u1ec1 danh s\u00e1ch c\u00e1c commit c\u00f3 th\u00eam ho\u1eb7c x\u00f3a \u0111o\u1ea1n n\u1ed9i dung ch\u1ee9a th\u00f4ng tin c\u1ea7n t\u00ecm. Ngo\u00e0i ra, Git log c\u00f2n c\u00f3 nhi\u1ec1u c\u00f4ng d\u1ee5ng kh\u00e1c, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam \u1edf m\u1ee5c ti\u1ebfp theo \u0111\u00e2y.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-xem-l\u1ecbch-s\u1eed-commit-v\u1edbi-git-log\"><span class=\"ez-toc-section\" id=\"Xem_lich_su_commit_voi_Git_log\"><\/span><b>Xem l\u1ecbch s\u1eed commit v\u1edbi Git log<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u1ec7nh <\/span><b>git log<\/b><span style=\"font-weight: 400;\"> trong Git \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 xem l\u1ecbch s\u1eed commit c\u1ee7a m\u1ed9t repository. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd gi\u00fap b\u1ea1n theo d\u00f5i c\u00e1c thay \u0111\u1ed5i, xem th\u00f4ng tin chi ti\u1ebft v\u1ec1 commit, v\u00e0 t\u00ecm hi\u1ec3u ai \u0111\u00e3 th\u1ef1c hi\u1ec7n c\u00e1c thay \u0111\u1ed5i g\u00ec trong repository.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p c\u01a1 b\u1ea3n:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git <\/span><span style=\"font-weight: 400;\">log<\/span><span style=\"font-weight: 400;\"> &lt;t\u00f9y ch\u1ecdn&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Theo m\u1eb7c \u0111\u1ecbnh n\u1ebfu kh\u00f4ng ch\u1ec9 \u0111\u1ecbnh t\u00f9y ch\u1ecdn, Git s\u1ebd tr\u1ea3 v\u1ec1 danh s\u00e1ch th\u00f4ng tin c\u00e1c commit trong l\u1ecbch s\u1eed.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1252\" height=\"724\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-vippro.png\" alt=\"git n\u00e2ng cao - git log - itviec blog\" class=\"wp-image-84119\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-vippro.png 1252w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-vippro-300x173.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-vippro-640x370.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-vippro-200x116.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-vippro-768x444.png 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-vippro-100x58.png 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-vippro-700x405.png 700w\" sizes=\"auto, (max-width: 1252px) 100vw, 1252px\" \/><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\">D\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1, ch\u00fang ta c\u00f3 th\u1ec3 xem \u0111\u01b0\u1ee3c l\u1ecbch s\u1eed commit bao g\u1ed3m nh\u1eefng commit n\u00e0o, th\u1ee9 t\u1ef1 c\u00e1c commit v\u00e0 nh\u1eefng th\u00f4ng tin c\u01a1 b\u1ea3n (commit hash, message, author,..).<\/span><\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 t\u00f9y ch\u1ecdn ph\u1ed5 bi\u1ebfn:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-hi\u1ec3n-th\u1ecb-log-d\u01b0\u1edbi-d\u1ea1ng-rut-g\u1ecdn\"><strong>Hi\u1ec3n th\u1ecb log d\u01b0\u1edbi d\u1ea1ng r\u00fat g\u1ecdn<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git <\/span><span style=\"font-weight: 400;\">log<\/span><span style=\"font-weight: 400;\"> --oneline<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 v\u1ec1 k\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"976\" height=\"176\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-2-vippro.jpg\" alt=\"git n\u00e2ng cao - git log - itviec blog\" class=\"wp-image-84120\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-2-vippro.jpg 976w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-2-vippro-300x54.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-2-vippro-640x115.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-2-vippro-200x36.jpg 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-2-vippro-768x138.jpg 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-2-vippro-100x18.jpg 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-log-2-vippro-700x126.jpg 700w\" sizes=\"auto, (max-width: 976px) 100vw, 976px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-l\u1ecdc-commit-d\u1ef1a-tren-di\u1ec1u-ki\u1ec7n\"><strong>L\u1ecdc commit d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ecdc-theo-tac-gi\u1ea3\"><strong>L\u1ecdc theo t\u00e1c gi\u1ea3:<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git <\/span><span style=\"font-weight: 400;\">log<\/span><span style=\"font-weight: 400;\"> --author=<\/span><span style=\"font-weight: 400;\">\"t\u00ean t\u00e1c gi\u1ea3\"<\/span><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ecdc-theo-ngay-thang-t\u1ea1o-commit\"><strong>L\u1ecdc theo ng\u00e0y th\u00e1ng t\u1ea1o commit:<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git <\/span><span style=\"font-weight: 400;\">log<\/span><span style=\"font-weight: 400;\"> --since=<\/span><span style=\"font-weight: 400;\">\"2024-12-01\"<\/span><span style=\"font-weight: 400;\"> --until=<\/span><span style=\"font-weight: 400;\">\"2024-12-31\"<\/span><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-l\u1ecdc-theo-n\u1ed9i-dung-thong-di\u1ec7p-commit\"><strong>L\u1ecdc theo n\u1ed9i dung th\u00f4ng \u0111i\u1ec7p commit:<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git <\/span><span style=\"font-weight: 400;\">log<\/span><span style=\"font-weight: 400;\"> --grep=<\/span><span style=\"font-weight: 400;\">\"fix bug\"<\/span><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-hi\u1ec3n-th\u1ecb-commit-lien-quan-d\u1ebfn-t\u1eadp-tin-c\u1ee5-th\u1ec3\"><strong>Hi\u1ec3n th\u1ecb commit li\u00ean quan \u0111\u1ebfn t\u1eadp tin c\u1ee5 th\u1ec3:<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git <\/span><span style=\"font-weight: 400;\">log<\/span><span style=\"font-weight: 400;\"> -- &lt;t\u00ean t\u1eadp tin&gt;<\/span><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-so-sanh-gi\u1eefa-cac-ngu\u1ed3n-v\u1edbi-git-diff\"><span class=\"ez-toc-section\" id=\"So_sanh_giua_cac_nguon_voi_Git_diff\"><\/span><b>So s\u00e1nh gi\u1eefa c\u00e1c ngu\u1ed3n v\u1edbi Git diff<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><b>Git diff<\/b><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t l\u1ec7nh Git \u0111a d\u1ee5ng, khi \u0111\u01b0\u1ee3c th\u1ef1c thi s\u1ebd ch\u1ea1y ch\u1ee9c n\u0103ng diff tr\u00ean c\u00e1c ngu\u1ed3n d\u1eef li\u1ec7u Git (commit, nh\u00e1nh, t\u1eadp tin,..) v\u00e0 tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 kh\u00e1c bi\u1ec7t gi\u1eefa hai ngu\u1ed3n.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u1ec7nh git diff th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi git status v\u00e0 git log \u0111\u1ec3 ph\u00e2n t\u00edch tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a m\u1ed9t repo Git.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p chung:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git diff &#91;t\u00f9y ch\u1ecdn] &#91;ph\u1ea1m vi]<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong \u0111\u00f3:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">[t\u00f9y ch\u1ecdn]: C\u00e1c t\u00f9y ch\u1ecdn \u0111i\u1ec1u ch\u1ec9nh c\u00e1ch hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 c\u1ee7a git diff ho\u1eb7c gi\u1edbi h\u1ea1n ph\u1ea1m vi so s\u00e1nh<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">[ph\u1ea1m vi]:\u00a0 x\u00e1c \u0111\u1ecbnh c\u00e1c tr\u1ea1ng th\u00e1i m\u00e0 b\u1ea1n mu\u1ed1n so s\u00e1nh trong repository<\/span><\/li>\n<\/ul>\n\n\n\n<p>M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-so-sanh-nh\u1eefng-thay-d\u1ed5i-\u1edf-khu-v\u1ef1c-lam-vi\u1ec7c-va-ch\u01b0a-d\u01b0\u1ee3c-d\u01b0a-vao-staging-area\"><b>So s\u00e1nh nh\u1eefng thay \u0111\u1ed5i \u1edf khu v\u1ef1c l\u00e0m vi\u1ec7c v\u00e0 ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o staging area<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 h\u00e0nh vi m\u1eb7c \u0111\u1ecbnh khi s\u1eed d\u1ee5ng git diff, ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3 l\u00e0 cho th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i trong working directory v\u00e0 staging index (n\u1ebfu staging index kh\u00f4ng c\u00f3 n\u1ed9i dung th\u00ec s\u1ebd so s\u00e1nh v\u1edbi kho l\u01b0u tr\u1eef).<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git diff<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 v\u1ec1 output:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1186\" height=\"426\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-vippro.png\" alt=\"git n\u00e2ng cao - git diff - itviec blog\" class=\"wp-image-84121\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-vippro.png 1186w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-vippro-300x108.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-vippro-640x230.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-vippro-200x72.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-vippro-768x276.png 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-vippro-100x36.png 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-vippro-700x251.png 700w\" sizes=\"auto, (max-width: 1186px) 100vw, 1186px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-so-sanh-thay-d\u1ed5i-trong-m\u1ed9t-t\u1eadp-tin-c\u1ee5-th\u1ec3\"><b>So s\u00e1nh thay \u0111\u1ed5i trong m\u1ed9t t\u1eadp tin c\u1ee5 th\u1ec3<\/b><\/h4>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-so-sanh-n\u1ed9i-dung-thay-d\u1ed5i-gi\u1eefa-hai-commit\"><b>So s\u00e1nh n\u1ed9i dung thay \u0111\u1ed5i gi\u1eefa hai commit<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">D\u00f9ng \u0111\u1ec3 ki\u1ec3m tra nh\u1eefng thay \u0111\u1ed5i \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n gi\u1eefa hai \u0111i\u1ec3m th\u1eddi gian c\u1ee5 th\u1ec3 c\u1ee7a hai commit b\u1ea5t k\u00ec. C\u00fa ph\u00e1p:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git diff &lt;commit-hash-1&gt; &lt;commit-hash-2&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1416\" height=\"828\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-2-vippro.png\" alt=\"git n\u00e2ng cao - git diff - itviec blog\" class=\"wp-image-84122\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-2-vippro.png 1416w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-2-vippro-300x175.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-2-vippro-640x374.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-2-vippro-200x117.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-2-vippro-768x449.png 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-2-vippro-100x58.png 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-2-vippro-700x409.png 700w\" sizes=\"auto, (max-width: 1416px) 100vw, 1416px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-so-sanh-gi\u1eefa-m\u1ed9t-commit-va-working-directory\"><b>So s\u00e1nh gi\u1eefa m\u1ed9t commit v\u00e0 working directory<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">M\u1ee5c \u0111\u00edch \u0111\u1ec3 so s\u00e1nh tr\u1ea1ng th\u00e1i c\u1ee7a commit v\u1edbi c\u00e1c thay \u0111\u1ed5i hi\u1ec7n t\u1ea1i trong working directory. C\u00fa ph\u00e1p:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git diff &lt;commit <\/span><span style=\"font-weight: 400;\">hash<\/span><span style=\"font-weight: 400;\">&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, khi ch\u00fang ta ch\u1ec9nh s\u1eeda t\u1eadp tin xyz.txt, git s\u1ebd so s\u00e1nh s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a t\u1eadp tin n\u00e0y \u1edf commit ch\u1ec9 \u0111\u1ecbnh v\u00e0 th\u01b0 m\u1ee5c l\u00e0m vi\u1ec7c hi\u1ec7n t\u1ea1i:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1674\" height=\"388\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-3-vippro.png\" alt=\"git n\u00e2ng cao - git diff - itviec blog\" class=\"wp-image-84123\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-3-vippro.png 1674w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-3-vippro-300x70.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-3-vippro-640x148.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-3-vippro-200x46.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-3-vippro-768x178.png 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-3-vippro-1536x356.png 1536w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-3-vippro-100x23.png 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-3-vippro-700x162.png 700w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-diff-3-vippro-1600x371.png 1600w\" sizes=\"auto, (max-width: 1674px) 100vw, 1674px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-so-sanh-gi\u1eefa-hai-nhanh\"><b>So s\u00e1nh gi\u1eefa hai nh\u00e1nh<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c tr\u00ean nhi\u1ec1u nh\u00e1nh, b\u1ea1n c\u00f3 th\u1ec3 s\u1ebd c\u1ea7n ki\u1ec3m tra s\u1ef1 thay \u0111\u1ed5i gi\u1eefa nh\u00e1nh n\u00e0y v\u00e0 nh\u00e1nh kia, tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng nh\u01b0 h\u1ee3p nh\u1ea5t. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o n\u1ed9i dung h\u1ee3p nh\u1ea5t s\u1ebd lu\u00f4n \u0111\u01b0\u1ee3c ki\u1ec3m duy\u1ec7t, tr\u00e1nh ph\u00e1t sinh l\u1ed7i.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p so s\u00e1nh:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git diff &lt;t\u00ean nh\u00e1nh 1&gt; &lt;t\u00ean nh\u00e1nh 2&gt;<\/span><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-khoi-ph\u1ee5c-nhanh-commit-b\u1eb1ng-git-reflog\"><span class=\"ez-toc-section\" id=\"Khoi_phuc_nhanh_commit_bang_Git_reflog\"><\/span><b>Kh\u00f4i ph\u1ee5c nh\u00e1nh, commit b\u1eb1ng Git reflog<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Git reflog l\u00e0 m\u1ed9t t\u1ec7p nh\u1eadt k\u00fd tham chi\u1ebfu (reference log) l\u01b0u tr\u1eef danh s\u00e1ch theo th\u1ee9 t\u1ef1 th\u1eddi gian c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c thay \u0111\u1ed5i \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed1i v\u1edbi con tr\u1ecf HEAD trong repository Git c\u1ee7a b\u1ea1n. HEAD lu\u00f4n tr\u1ecf \u0111\u1ebfn commit m\u1edbi nh\u1ea5t, v\u00e0 reflog v\u1ec1 c\u01a1 b\u1ea3n theo d\u00f5i m\u1ecdi commit tr\u01b0\u1edbc \u0111\u00e2y t\u1eebng t\u1ed3n t\u1ea1i trong repository.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Reflog kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a ch\u00ednh repository (n\u00f3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef ri\u00eang bi\u1ec7t v\u1edbi c\u00e1c commit) v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c bao g\u1ed3m trong c\u00e1c thao t\u00e1c push, fetch ho\u1eb7c clone; n\u00f3 ho\u00e0n to\u00e0n l\u00e0 d\u1eef li\u1ec7u c\u1ee5c b\u1ed9. \u0110i\u1ec1u n\u00e0y c\u1ef1c k\u1ef3 h\u1eefu \u00edch khi b\u1ea1n:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">V\u00f4 t\u00ecnh commit th\u1ee9 g\u00ec \u0111\u00f3 kh\u00f4ng n\u00ean commit.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">X\u00f3a nh\u1ea7m m\u1ed9t commit ho\u1eb7c m\u1ed9t nh\u00e1nh.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u1ea7n nh\u1edb l\u1ea1i nh\u1eefng g\u00ec \u0111\u00e3 x\u1ea3y ra v\u1edbi m\u1ed9t tham chi\u1ebfu c\u1ee5 th\u1ec3 t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m n\u00e0o \u0111\u00f3.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p ch\u00ednh:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git reflog<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 v\u1ec1 output:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">abc1234 HEAD@{0}: reset: moving to HEAD~1<\/span>\n<span style=\"font-weight: 400;\">def5678 HEAD@{1}: commit: Update README<\/span>\n<span style=\"font-weight: 400;\">456abcd HEAD@{2}: checkout: moving from feature to main<\/span>\n<span style=\"font-weight: 400;\">7890123 HEAD@{3}: commit: Add new feature<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong \u0111\u00f3:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">abc1234: m\u00e3 hash tham chi\u1ebfu c\u1ee7a h\u00e0nh \u0111\u1ed9ng<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">HEAD@{0}: V\u1ecb tr\u00ed c\u1ee7a h\u00e0nh \u0111\u1ed9ng \u0111\u00e3 di\u1ec5n ra (v\u1edbi 0 l\u00e0 h\u00e0nh \u0111\u1ed9ng g\u1ea7n nh\u1ea5t)<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">reset: moving to HEAD~1: m\u00f4 t\u1ea3 h\u00e0nh \u0111\u1ed9ng \u0111\u00e3 di\u1ec5n ra<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-m\u1ed9t-s\u1ed1-tr\u01b0\u1eddng-h\u1ee3p-s\u1eed-d\u1ee5ng-git-reflog\"><b>M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng Git reflog<\/b><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-hoan-tac-hanh-d\u1ed9ng-reset-hard-ho\u1eb7c-h\u1ee3p-nh\u1ea5t\"><b>Ho\u00e0n t\u00e1c h\u00e0nh \u0111\u1ed9ng reset &#8211;hard ho\u1eb7c h\u1ee3p nh\u1ea5t<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n v\u00f4 t\u00ecnh s\u1eed d\u1ee5ng l\u1ec7nh git reset <code>--hard<\/code>, d\u1eabn \u0111\u1ebfn l\u00e0m m\u1ea5t nh\u1eefng commit quan tr\u1ecdng hay b\u1ea1n \u0111\u00e3 th\u1ef1c hi\u1ec7n h\u1ee3p nh\u1ea5t nh\u01b0ng \u0111\u00e3 c\u00f3 l\u1ed7i v\u00e0 b\u1ea1n mu\u1ed1n quay l\u1ea1i, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng git reflog \u0111\u1ec3 kh\u1eafc ph\u1ee5c \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch:<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 1:<\/strong> M\u1edf l\u1ecbch s\u1eed h\u00e0nh \u0111\u1ed9ng b\u1eb1ng git reflog<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git reflog<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 2:<\/strong> T\u00ecm \u0111\u1ebfn v\u1ecb tr\u00ed ngay tr\u01b0\u1edbc v\u1ecb tr\u00ed c\u1ee7a h\u00e0nh \u0111\u1ed9ng reset<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">abc1234 HEAD@{0}: reset: moving to HEAD~1<\/span>\n<span style=\"font-weight: 400;\">def5678 HEAD@{1}: commit: Update README<\/span>\n<span style=\"font-weight: 400;\">456abcd HEAD@{2}: checkout: moving from feature to main<\/span>\n<span style=\"font-weight: 400;\">7890123 HEAD@{3}: commit: Add new feature<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Nh\u00ecn v\u00e0o l\u1ecbch s\u1eed ta th\u1ea5y \u0111\u01b0\u1ee3c HEAD@{1} s\u1ebd l\u00e0 v\u1ecb tr\u00ed ngay tr\u01b0\u1edbc h\u00e0nh \u0111\u1ed9ng reset g\u00e2y m\u1ea5t commit.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 3:<\/strong> Th\u1ef1c thi l\u1ec7nh reset \u0111\u1ec3 quay tr\u1edf l\u1ea1i tr\u1ea1ng th\u00e1i tr\u01b0\u1edbc khi reset<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git reset --hard HEAD@{1}<\/span><\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><span style=\"font-weight: 400;\"><strong>L\u01b0u \u00fd:<\/strong> \u0110i\u1ec1u n\u00e0y s\u1ebd ghi \u0111\u00e8 t\u1ea5t c\u1ea3 c\u00e1c thay \u0111\u1ed5i hi\u1ec7n t\u1ea1i v\u00e0 \u0111\u01b0a l\u1ecbch s\u1eed commit quay v\u1ec1 tr\u1ea1ng th\u00e1i tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng HEAD@{0}.<\/span><\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-khoi-ph\u1ee5c-commit-da-b\u1ecb-m\u1ea5t\"><b>Kh\u00f4i ph\u1ee5c commit \u0111\u00e3 b\u1ecb m\u1ea5t<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n ch\u1ec9 mu\u1ed1n l\u1ea5y l\u1ea1i m\u1ed9t commit c\u1ee5 th\u1ec3, thay v\u00ec ph\u1ea3i ho\u00e0n t\u00e1c to\u00e0n b\u1ed9 thay \u0111\u1ed5i tr\u01b0\u1edbc \u0111\u00f3 nh\u01b0 \u1edf tr\u01b0\u1eddng h\u1ee3p 1, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng theo c\u00e1c b\u01b0\u1edbc sau:<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 1:<\/strong> T\u00ecm t\u1edbi v\u1ecb tr\u00ed th\u1ef1c hi\u1ec7n commit trong reflog<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">abc1234 HEAD@{0}: reset: moving to HEAD~5<\/span>\n<span style=\"font-weight: 400;\">def5678 HEAD@{1}: commit: Update README<\/span>\n<span style=\"font-weight: 400;\">456abcd HEAD@{2}: checkout: moving from feature to main<\/span>\n<span style=\"font-weight: 400;\">7890123 HEAD@{3}: commit: Add new feature<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, git reset \u0111\u00e3 x\u00f3a b\u1ecf commit \u1edf HEAD{1} v\u00e0 HEAD{3}, v\u00e0 b\u00e2y gi\u1edd b\u1ea1n ch\u1ec9 mu\u1ed1n l\u1ea5y l\u1ea1i commit \u1edf HEAD@{3}<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 2:<\/strong> S\u1eed d\u1ee5ng switch ho\u1eb7c checkout \u0111\u1ec3 truy c\u1eadp v\u00e0o commit \u0111\u00f3<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git switch &lt;v\u1ecb tr\u00ed commit&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u00fac n\u00e0y con tr\u1ecf HEAD s\u1ebd chuy\u1ec3n \u0111\u1ebfn v\u1ecb tr\u00ed c\u1ee7a commit n\u00e0y, v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t nh\u00e1nh m\u1edbi v\u1edbi l\u1ecbch s\u1eed c\u00f3 ch\u1ee9a commit \u0111\u00f3.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 3:<\/strong> T\u00e1ch ra m\u1ed9t nh\u00e1nh m\u1edbi ch\u1ee9a commit c\u1ea7n \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git switch -c &lt;t\u00ean nh\u00e1nh&gt;<\/span><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-khoi-ph\u1ee5c-nhanh-b\u1ecb-xoa\"><b>Kh\u00f4i ph\u1ee5c nh\u00e1nh b\u1ecb x\u00f3a<\/b><\/h4>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi m\u1ed9t nh\u00e1nh b\u1ecb x\u00f3a, commit cu\u1ed1i c\u00f9ng c\u1ee7a nh\u00e1nh v\u1eabn \u0111\u01b0\u1ee3c l\u01b0u trong git reflog. \u0110\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i nh\u00e1nh, b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m nh\u01b0 sau:<\/span><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">M\u1edf git reflog v\u00e0 t\u00ecm \u0111\u1ebfn v\u1ecb tr\u00ed commit cu\u1ed1i c\u00f9ng c\u1ee7a nh\u00e1nh<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng switch ho\u1eb7c checkout \u0111\u1ec3 t\u00e1ch ra m\u1ed9t nh\u00e1nh m\u1edbi v\u1edbi l\u1ecbch s\u1eed \u0111\u00f3<\/span><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git switch -c &lt;t\u00ean nh\u00e1nh&gt; &lt;v\u1ecb tr\u00ed commit&gt;<\/span><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-di\u1ec1u-tra-l\u1ed7i-b\u1eb1ng-git-bisect\"><span class=\"ez-toc-section\" id=\"Dieu_tra_loi_bang_Git_bisect\"><\/span><b>\u0110i\u1ec1u tra l\u1ed7i b\u1eb1ng Git bisect<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u1ec7nh <\/span><b>git bisect<\/b><span style=\"font-weight: 400;\"> trong Git gi\u00fap b\u1ea1n t\u00ecm ra commit ch\u00ednh x\u00e1c g\u00e2y ra l\u1ed7i trong m\u1ed9t repository. V\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n t\u00ecm ki\u1ebfm nh\u1ecb ph\u00e2n \u0111\u1ec3 ki\u1ec3m tra c\u00e1c commit, git bisect gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian so v\u1edbi vi\u1ec7c ki\u1ec3m tra t\u1eebng commit th\u1ee7 c\u00f4ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p c\u01a1 b\u1ea3n:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git bisect &lt;action&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1ch s\u1eed d\u1ee5ng:<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 1:<\/strong> B\u1eaft \u0111\u1ea7u git bisect<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git bisect start<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 2:<\/strong> \u0110\u00e1nh d\u1ea5u commit l\u1ed7i (Theo m\u1eb7c \u0111\u1ecbnh th\u00ec commit m\u1edbi nh\u1ea5t s\u1ebd c\u00f3 l\u1ed7i)<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git bisect bad<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 3:<\/strong> \u0110\u00e1nh d\u1ea5u commit t\u1ed1t (x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed commit m\u00e0 b\u1ea1n bi\u1ebft ch\u1eafc r\u1eb1ng n\u00f3 v\u1eabn ho\u1ea1t \u0111\u1ed9ng t\u1ed1t)<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git bisect good &lt;commit-hash&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 4:<\/strong> Ki\u1ec3m tra t\u1eebng commit: Git s\u1ebd chuy\u1ec3n HEAD \u0111\u1ebfn commit gi\u1eefa. Ki\u1ec3m tra xem l\u1ed7i c\u00f3 x\u1ea3y ra kh\u00f4ng:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">N\u1ebfu th\u1ea5y c\u00f3 l\u1ed7i h\u1ec7 th\u1ed1ng:<\/span><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git bisect bad<\/span><\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">N\u1ebfu kh\u00f4ng c\u00f3 l\u1ed7i:<\/span><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git bisect good<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u1eb7p l\u1ea1i b\u01b0\u1edbc n\u00e0y cho \u0111\u1ebfn khi Git x\u00e1c \u0111\u1ecbnh commit duy nh\u1ea5t l\u00e0 bad.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 5:<\/strong> K\u1ebft th\u00fac bisect<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git bisect reset<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Gi\u1ea3 s\u1eed ta c\u00f3 m\u1ed9t nh\u00e1nh t\u00ednh n\u0103ng v\u1edbi c\u00e1c commit nh\u01b0 sau:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1054\" height=\"252\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-vippro.png\" alt=\"git n\u00e2ng cao - git bisect - itviec blog\" class=\"wp-image-84124\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-vippro.png 1054w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-vippro-300x72.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-vippro-640x153.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-vippro-200x48.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-vippro-768x184.png 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-vippro-100x24.png 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-vippro-700x167.png 700w\" sizes=\"auto, (max-width: 1054px) 100vw, 1054px\" \/><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong \u0111\u00f3 commit 6 \u0111\u00e3 c\u00f3 l\u1ed7i, tuy nhi\u00ean \u0111\u1ebfn khi commit 7 ch\u00fang ta m\u1edbi ph\u00e1t hi\u1ec7n h\u1ec7 th\u1ed1ng g\u1eb7p l\u1ed7i, v\u00e0 b\u00e2y gi\u1edd c\u1ea7n \u0111i\u1ec1u tra xem n\u00f3 \u0111\u00e3 b\u1ecb l\u1ed7i \u1edf \u0111\u00e2u v\u00e0 t\u1eeb khi n\u00e0o.<\/span><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Th\u1ef1c hi\u1ec7n git bisect v\u1edbi b\u1eaft \u0111\u1ea7u l\u00e0 commit 7 bad v\u00e0 commit 1 good<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Git s\u1ebd x\u00e1c \u0111\u1ecbnh t\u1eebng commit \u1edf gi\u1eefa ph\u1ea1m vi n\u00e0y theo thu\u1eadt to\u00e1n nh\u1ecb ph\u00e2n<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">B\u1ea1n s\u1ebd x\u00e1c \u0111\u1ecbnh t\u1ea1i v\u1ecb tr\u00ed commit \u0111\u00f3, h\u1ec7 th\u1ed1ng c\u00f2n c\u00f3 l\u1ed7i hay kh\u00f4ng, n\u1ebfu c\u00f3 l\u1ed7i th\u00ec b\u00e1o bisect bad, n\u1ebfu kh\u00f4ng c\u00f3 l\u1ed7i b\u00e1o bisect good<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">L\u1eb7p l\u1ea1i \u0111i\u1ec1u n\u00e0y cho \u0111\u1ebfn khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c duy nh\u1ea5t commit g\u00e2y l\u1ed7i<\/span><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1356\" height=\"830\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-2-vippro.png\" alt=\"git n\u00e2ng cao - git bisect - itviec blog\" class=\"wp-image-84125\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-2-vippro.png 1356w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-2-vippro-300x184.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-2-vippro-640x392.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-2-vippro-200x122.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-2-vippro-768x470.png 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-2-vippro-100x61.png 100w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/01\/git-nang-cao-git-bisect-2-vippro-700x428.png 700w\" sizes=\"auto, (max-width: 1356px) 100vw, 1356px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-k\u1ebft-h\u1ee3p-thay-d\u1ed5i-v\u1edbi-git-rebase-va-git-merge\"><span class=\"ez-toc-section\" id=\"Ket_hop_thay_doi_voi_Git_rebase_va_Git_merge\"><\/span><b>K\u1ebft h\u1ee3p thay \u0111\u1ed5i v\u1edbi Git rebase v\u00e0 Git merge<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Git rebase v\u00e0 Git merge \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft h\u1ee3p thay \u0111\u1ed5i t\u1eeb hai nh\u00e1nh trong Git. Tuy nhi\u00ean, ch\u00fang ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau v\u00e0 c\u00f3 c\u00e1c t\u00ecnh hu\u1ed1ng s\u1eed d\u1ee5ng ri\u00eang bi\u1ec7t. Vi\u1ec7c l\u1ef1a ch\u1ecdn s\u1eed d\u1ee5ng c\u00e1i n\u00e0o c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee5 th\u1ec3 trong d\u1ef1 \u00e1n.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3n so s\u00e1nh t\u00f3m t\u1eaft s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa 2 k\u1ef9 thu\u1eadt n\u00e0y:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>Ti\u00eau ch\u00ed<\/b><\/td><td><b>Git merge<\/b><\/td><td><b>Git rebase<\/b><\/td><\/tr><tr><td><b>C\u00fa ph\u00e1p<\/b><\/td><td><span style=\"font-weight: 400;\">git merge &lt;t\u00ean nh\u00e1nh&gt;<\/span><\/td><td><span style=\"font-weight: 400;\">git rebase &lt;t\u00ean nh\u00e1nh&gt;<\/span><\/td><\/tr><tr><td><b>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng<\/b><\/td><td><span style=\"font-weight: 400;\">T\u1ea1o m\u1ed9t merge commit \u0111\u1ec3 k\u1ebft h\u1ee3p hai nh\u00e1nh<\/span><\/td><td><span style=\"font-weight: 400;\">T\u00e1i t\u1ea1o commit c\u1ee7a nh\u00e1nh c\u1ea7n h\u1ee3p nh\u1ea5t tr\u00ean nh\u00e1nh \u0111\u00edch<\/span><\/td><\/tr><tr><td><b>L\u1ecbch s\u1eed commit<\/b><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng l\u00e0m x\u00e1o tr\u1ed9n l\u1ecbch s\u1eed, ch\u1ec9 b\u1ed5 sung th\u00eam commit merge (n\u1ebfu c\u00f3)<\/span><\/td><td><span style=\"font-weight: 400;\">S\u1eafp x\u1ebfp l\u1ea1i l\u1ecbch s\u1eed commit, \u0111\u01b0a c\u00e1c commit c\u1ee7a nh\u00e1nh hi\u1ec7n t\u1ea1i l\u00ean \u0111\u1ea7u c\u1ee7a nh\u00e1nh m\u1ee5c ti\u00eau. L\u1ecbch s\u1eed commit tr\u1edf n\u00ean tuy\u1ebfn t\u00ednh<\/span><\/td><\/tr><tr><td><b>Merge commit<\/b><\/td><td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 t\u1ea1o ra commit merge (khi th\u1ef1c hi\u1ec7n Three-way merge)<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng t\u1ea1o ra commit merge<\/span><\/td><\/tr><tr><td><b>X\u1eed l\u00fd xung \u0111\u1ed9t<\/b><\/td><td><span style=\"font-weight: 400;\">X\u1eed l\u00fd xung \u0111\u1ed9t m\u1ed9t l\u1ea7n duy nh\u1ea5t trong qu\u00e1 tr\u00ecnh merge<\/span><\/td><td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 c\u1ea7n x\u1eed l\u00fd xung \u0111\u1ed9t nhi\u1ec1u l\u1ea7n \u0111\u1ed1i v\u1edbi t\u1eebng commit khi rebase<\/span><\/td><\/tr><tr><td><b>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/b><\/td><td><ol><br><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng khi c\u1ea7n gi\u1eef l\u1ecbch s\u1eed \u0111\u1ea7y \u0111\u1ee7, \u0111\u1eb7c bi\u1ec7t khi h\u1ee3p nh\u1ea5t c\u00e1c nh\u00e1nh ch\u00ednh nh\u01b0 main ho\u1eb7c develop.<\/span><\/li><br><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng khi l\u00e0m vi\u1ec7c v\u1edbi nh\u00f3m \u0111\u1ec3 tr\u00e1nh thay \u0111\u1ed5i l\u1ecbch s\u1eed m\u00e0 ng\u01b0\u1eddi kh\u00e1c \u0111\u00e3 l\u00e0m vi\u1ec7c<\/span><\/li><\/ol><\/td><td><ol><br><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Khi mu\u1ed1n gi\u1eef cho l\u1ecbch s\u1eed commit \u0111\u01b0\u1ee3c s\u1ea1ch s\u1ebd v\u00e0 \u0111\u01a1n gi\u1ea3n<\/span><\/li><br><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Khi b\u1ea1n l\u00e0 ng\u01b0\u1eddi duy nh\u1ea5t l\u00e0m vi\u1ec7c tr\u00ean nh\u00e1nh, rebase gi\u00fap \u0111\u1ed3ng b\u1ed9 v\u1edbi nh\u00e1nh ch\u00ednh m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ng\u01b0\u1eddi kh\u00e1c.<\/span><\/li><br><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng trong nh\u00e1nh feature \u0111\u1ec3 tr\u00e1nh l\u1ecbch s\u1eed ph\u00e2n nh\u00e1nh ph\u1ee9c t\u1ea1p<\/span><\/li><\/ol><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ecdc th\u00eam:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/itviec.com\/blog\/git-rebase-la-gi\/\" target=\"_blank\" rel=\"noopener\">Git rebase: H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/itviec.com\/blog\/git-merge-la-gi\/\" target=\"_blank\" rel=\"noopener\">Git Merge: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch s\u1eed d\u1ee5ng Git Merge<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-perfect-commit\"><span class=\"ez-toc-section\" id=\"Perfect_commit\"><\/span><b>Perfect commit<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Commit l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ea5u t\u1ea1o n\u00ean m\u1ed9t h\u1ec7 th\u1ed1ng Git. M\u1ed7i commit ghi l\u1ea1i m\u1ed9t tr\u1ea1ng th\u00e1i c\u1ee5 th\u1ec3 c\u1ee7a m\u00e3 ngu\u1ed3n, \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t c\u1ed9t m\u1ed1c trong l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a d\u1ef1 \u00e1n.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">M\u1ed9t commit ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng ch\u1ec9 ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c nh\u1eefng thay \u0111\u1ed5i m\u00e0 c\u00f2n gi\u00fap ng\u01b0\u1eddi kh\u00e1c (ho\u1eb7c ch\u00ednh b\u1ea1n trong t\u01b0\u01a1ng lai) d\u1ec5 d\u00e0ng hi\u1ec3u \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch v\u00e0 nguy\u00ean nh\u00e2n c\u1ee7a c\u00e1c thay \u0111\u1ed5i \u0111\u00f3.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng commit ch\u1ea5t l\u01b0\u1ee3ng (perfect commit), b\u1ea1n c\u1ea7n \u0111\u00e1p \u1ee9ng nh\u1eefng y\u1ebfu t\u1ed1 sau:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\"><strong>X\u00e2y d\u1ef1ng commit nguy\u00ean t\u1eed (Atomic commit):<\/strong> H\u00e3y \u0111\u1ea3m b\u1ea3o commit ch\u1ec9 n\u00ean bao g\u1ed3m <\/span><b>thay \u0111\u1ed5i v\u1ec1 m\u1ed9t m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3<\/b><span style=\"font-weight: 400;\"> (one logical change), tr\u00e1nh g\u1ed9p nhi\u1ec1u thay \u0111\u1ed5i kh\u00f4ng li\u00ean quan v\u00e0o c\u00f9ng m\u1ed9t commit. <\/span><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span>\n<ul class=\"wp-block-list\">\n<li><b>T\u1ed1t:<\/b><span style=\"font-weight: 400;\"> Commit th\u00eam t\u00ednh n\u0103ng m\u1edbi ho\u1eb7c s\u1eeda l\u1ed7i trong m\u1ed9t module c\u1ee5 th\u1ec3.<\/span><\/li>\n\n\n\n<li><b>Kh\u00f4ng t\u1ed1t:<\/b><span style=\"font-weight: 400;\"> V\u1eeba th\u00eam t\u00ednh n\u0103ng, v\u1eeba s\u1eeda l\u1ed7i v\u00e0 v\u1eeba refactor code.<\/span><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>\u0110\u1eb7t th\u00f4ng \u0111i\u1ec7p commit r\u00f5 r\u00e0ng:<\/strong> N\u1ed9i dung th\u00f4ng \u0111i\u1ec7p c\u1ee7a commit ph\u1ea3i r\u00f5 r\u00e0ng, m\u00f4 t\u1ea3 \u0111\u01b0\u1ee3c c\u00e1i g\u00ec \u0111\u00e3 thay \u0111\u1ed5i v\u00e0 t\u1ea1i sao l\u1ea1i thay \u0111\u1ed5i. Tuy nhi\u00ean tr\u00e1nh ghi n\u1ed9i dung qu\u00e1 d\u00e0i d\u00f2ng. V\u00ed d\u1ee5: git <code>commit -m \u201cfix search issue with username\u201d<\/code><\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>Kh\u00f4ng ch\u1ee9a code d\u01b0 th\u1eeba:<\/strong> Commit kh\u00f4ng n\u00ean bao g\u1ed3m c\u00e1c th\u00f4ng tin code kh\u00f4ng c\u1ea7n thi\u1ebft nh\u01b0 nh\u1eefng \u0111o\u1ea1n code th\u1eed nghi\u1ec7m trong th\u1eddi \u0111i\u1ec3m ph\u00e1t tri\u1ec3n, ghi ch\u00fa t\u1ea1m th\u1eddi, kh\u00f4ng c\u00f2n gi\u00e1 tr\u1ecb. \u0110i\u1ec1u n\u00e0y gi\u00fap n\u1ed9i dung commit \u0111\u01b0\u1ee3c tinh g\u1ecdn, gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng m\u00e3 x\u1ea5u, v\u00e0 gi\u00fap qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec \u0111\u01b0\u1ee3c d\u1ec5 d\u00e0ng.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\"><strong>Ki\u1ec3m tra k\u1ef9 c\u00e1c thay \u0111\u1ed5i tr\u01b0\u1edbc khi commit:<\/strong> S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 c\u00f3 s\u1eb5n nh\u01b0 git diff, git status \u0111\u1ec3 ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng n\u1ed9i dung thay \u0111\u1ed5i. Tr\u00e1nh m\u00e3 code ch\u1ee9a c\u00e1c l\u1ed7i c\u00fa ph\u00e1p, l\u1ed7i ch\u00ednh t\u1ea3 kh\u00f4ng \u0111\u00e1ng c\u00f3.<\/span><\/li>\n<\/ul>\n\n\n\n<p><b>Quy tr\u00ecnh t\u1ea1o Perfect Commit:<\/b><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 1:<\/strong> Ki\u1ec3m tra tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a m\u00e3 ngu\u1ed3n:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git status<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 2:<\/strong> Th\u00eam c\u00e1c t\u1eadp tin thay \u0111\u1ed5i v\u00e0o staging index:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><span style=\"font-weight: 400;\">git add -p &lt;t\u1eadp tin&gt;<\/span><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00f9y ch\u1ecdn -p c\u1ee7a git add \u0111\u1ec3 c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn t\u1eebng ph\u1ea7n thay \u0111\u1ed5i trong c\u00f9ng m\u1ed9t t\u1eadp tin, t\u1eeb \u0111\u00f3 d\u1ec5 d\u00e0ng chia t\u00e1ch c\u00e1c n\u1ed9i dung thay \u0111\u1ed5i kh\u00f4ng li\u00ean quan \u0111\u1ebfn nhau.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 3:<\/strong> Ki\u1ec3m tra l\u1ea1i c\u00e1c thay \u0111\u1ed5i \u0111\u00e3 th\u00eam v\u00e0o staging index:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git diff --staged<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 4:<\/strong> T\u1ea1o commit v\u1edbi th\u00f4ng \u0111i\u1ec7p r\u00f5 r\u00e0ng:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git commit -m <\/span><span style=\"font-weight: 400;\">\"th\u00f4ng \u0111i\u1ec7p\"<\/span><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-cau-h\u1ecfi-th\u01b0\u1eddng-g\u1eb7p-v\u1ec1-cac-k\u1ef9-thu\u1eadt-git-nang-cao\"><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_cac_ky_thuat_Git_nang_cao\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt Git n\u00e2ng cao<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-git-stash-co-l\u01b0u-cac-file-ch\u01b0a-d\u01b0\u1ee3c-theo-doi-khong\"><b>git stash c\u00f3 l\u01b0u c\u00e1c file ch\u01b0a \u0111\u01b0\u1ee3c theo d\u00f5i kh\u00f4ng?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Theo m\u1eb7c \u0111\u1ecbnh, git stash s\u1ebd lo\u1ea1i tr\u1eeb nh\u1eefng file th\u00eam m\u1edbi, ch\u01b0a \u0111\u01b0\u1ee3c theo d\u00f5i v\u00e0 nh\u1eefng file \u0111\u01b0\u1ee3c khai b\u00e1o trong .gitignore. Tuy nhi\u00ean b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00f9y ch\u1ecdn -u \u0111\u1ec3 bao g\u1ed3m c\u1ea3 nh\u1eefng file ch\u01b0a \u0111\u01b0\u1ee3c theo d\u00f5i (untracked):<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git stash -u<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-git-cherry-pick-khac-gi-v\u1edbi-git-merge\"><b>git cherry-pick kh\u00e1c g\u00ec v\u1edbi git merge?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">git cherry-pick ch\u1ec9 sao ch\u00e9p m\u1ed9t ho\u1eb7c nhi\u1ec1u commit c\u1ee5 th\u1ec3 t\u1eeb m\u1ed9t nh\u00e1nh sang nh\u00e1nh kh\u00e1c (kh\u00f4ng th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng h\u1ee3p nh\u1ea5t v\u00e0 kh\u00f4ng t\u1ea1o ra commit merge), trong khi git merge h\u1ee3p nh\u1ea5t to\u00e0n b\u1ed9 l\u1ecbch s\u1eed c\u1ee7a nh\u00e1nh ngu\u1ed3n v\u00e0o nh\u00e1nh hi\u1ec7n t\u1ea1i.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-di\u1ec1u-gi-x\u1ea3y-ra-n\u1ebfu-ch\u1ec9nh-s\u1eeda-commit-da-d\u1ea9y-len-remote\"><b>\u0110i\u1ec1u g\u00ec x\u1ea3y ra n\u1ebfu ch\u1ec9nh s\u1eeda commit \u0111\u00e3 \u0111\u1ea9y l\u00ean remote?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Khi m\u1ed9t commit \u0111\u01b0\u1ee3c ch\u1ec9nh s\u1eeda, commit hash c\u1ee7a n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u1ea1i, \u0111i\u1ec1u n\u00e0y khi\u1ebfn b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i s\u1eed d\u1ee5ng \u201c<code>git push --force<\/code>\u201d \u0111\u1ec3 \u0111\u1ea9y n\u1ed9i dung thay \u0111\u1ed5i l\u00ean remote n\u1ebfu tr\u01b0\u1edbc \u0111\u00f3 commit \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ea9y l\u00ean. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn r\u1ee7i ro m\u1ea5t d\u1eef li\u1ec7u cho remote repository.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, vi\u1ec7c thay \u0111\u1ed5i m\u1ed9t commit \u0111\u00e3 c\u00f3 tr\u00ean remote, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn xung \u0111\u1ed9i m\u00e3 ngu\u1ed3n v\u1edbi c\u00e1c th\u00e0nh vi\u00ean kh\u00e1c trong d\u1ef1 \u00e1n. V\u00ec v\u1eady ch\u1ec9 n\u00ean ch\u1ec9nh s\u1eeda commit khi n\u00f3 v\u1eabn \u0111ang \u1edf local repository.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-co-th\u1ec3-l\u1ecdc-commit-c\u1ee7a-m\u1ed9t-tac-gi\u1ea3-c\u1ee5-th\u1ec3-khong\"><b>C\u00f3 th\u1ec3 l\u1ecdc commit c\u1ee7a m\u1ed9t t\u00e1c gi\u1ea3 c\u1ee5 th\u1ec3 kh\u00f4ng?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 l\u1ecdc l\u1ea1i nh\u1eefng commit c\u1ee7a m\u1ed9t t\u00e1c gi\u1ea3 c\u1ee5 th\u1ec3 b\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng t\u00f9y ch\u1ecdn <code>--author<\/code>. V\u00ed d\u1ee5 \u0111\u1ec3 t\u00ecm ki\u1ebfm nh\u1eefng commit c\u1ee7a t\u00e1c gi\u1ea3 c\u00f3 t\u00ean \u201cJohn\u201d:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">git <\/span><span style=\"font-weight: 400;\">log<\/span><span style=\"font-weight: 400;\"> --author=<\/span><span style=\"font-weight: 400;\">\"John\"<\/span><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-t\u1ed5ng-k\u1ebft-git-nang-cao\"><span class=\"ez-toc-section\" id=\"Tong_ket_Git_nang_cao\"><\/span><b>T\u1ed5ng k\u1ebft Git n\u00e2ng cao<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Git l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd trong qu\u1ea3n l\u00fd m\u00e3 ngu\u1ed3n, v\u00e0 vi\u1ec7c n\u1eafm v\u1eefng c\u00e1c k\u1ef9 thu\u1eadt Git n\u00e2ng cao s\u1ebd gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1ee3c quy tr\u00ecnh l\u00e0m vi\u1ec7c v\u00e0 d\u1ec5 d\u00e0ng x\u1eed l\u00fd c\u00e1c t\u00ecnh hu\u1ed1ng ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 x\u1ea3y ra trong d\u1ef1 \u00e1n.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Qua b\u00e0i vi\u1ebft n\u00e0y, ITViec hi v\u1ecdng \u0111\u00e3 mang \u0111\u1ebfn cho b\u1ea1n \u0111\u1ecdc nh\u1eefng th\u00f4ng tin b\u1ed5 \u00edch v\u1ec1 c\u00e1c c\u00e2u l\u1ec7nh, k\u1ef9 thu\u1eadt Git n\u00e2ng cao, t\u1eeb \u0111\u00f3 gi\u00fap b\u1ea1n n\u00e2ng cao \u0111\u01b0\u1ee3c k\u1ef9 n\u0103ng l\u00e0m vi\u1ec7c v\u1edbi git v\u00e0 c\u00f3 nh\u1eefng b\u01b0\u1edbc ti\u1ebfn m\u1edbi trong c\u00f4ng vi\u1ec7c.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c v\u1edbi Git, n\u1ebfu b\u1ea1n \u0111\u00e3 t\u1eebng g\u1eb7p nh\u1eefng s\u1ef1 c\u1ed1 \u0111\u00f2i h\u1ecfi c\u1ea7n nh\u1eefng b\u01b0\u1edbc x\u1eed l\u00fd ph\u1ee9c t\u1ea1p \u0111\u1ec3 kh\u1eafc ph\u1ee5c, th\u00ec \u0111\u00e2y ch\u00ednh l\u00e0 l\u00fac c\u00e1c k\u1ef9 thu\u1eadt Git n\u00e2ng cao ph\u00e1t huy t\u00e1c d\u1ee5ng. \u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt Git [&hellip;]<\/p>\n","protected":false},"author":235,"featured_media":84127,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109],"tags":[],"class_list":["post-84081","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.7) - 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