{"id":5596,"date":"2021-12-21T17:39:03","date_gmt":"2021-12-21T09:39:03","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress\/?p=5596"},"modified":"2022-01-19T14:11:04","modified_gmt":"2022-01-19T06:11:04","slug":"git%e5%8e%9f%e7%90%86%e7%af%87","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=5596","title":{"rendered":"Git\u539f\u7406\u7bc7"},"content":{"rendered":"<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/git-scm.com\/book\/zh\/v2\/Git-%E5%86%85%E9%83%A8%E5%8E%9F%E7%90%86-%E5%BA%95%E5%B1%82%E5%91%BD%E4%BB%A4%E4%B8%8E%E4%B8%8A%E5%B1%82%E5%91%BD%E4%BB%A4\">https:\/\/git-scm.com\/book\/zh\/v2\/Git-%E5%86%85%E9%83%A8%E5%8E%9F%E7%90%86-%E5%BA%95%E5%B1%82%E5%91%BD%E4%BB%A4%E4%B8%8E%E4%B8%8A%E5%B1%82%E5%91%BD%E4%BB%A4<\/a>\uff08Git\u5b98\u7f51\uff09<\/p>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/www.ruanyifeng.com\/blog\/2018\/10\/git-internals.html\">https:\/\/www.ruanyifeng.com\/blog\/2018\/10\/git-internals.html<\/a> (\u962e\u4e00\u5cf0)<\/p>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/zhuanlan.zhihu.com\/p\/66506485\">https:\/\/zhuanlan.zhihu.com\/p\/66506485<\/a> (\u77e5\u4e4e)<\/p>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/learngitbranching.js.org\/\">https:\/\/learngitbranching.js.org\/<\/a>(\u4ea4\u4e92\u5f0f\u5b66\u4e60git\u7684\u7f51\u7ad9)<\/p>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/backlog.com\/git-tutorial\/cn\/stepup\/stepup7_6.html\">https:\/\/backlog.com\/git-tutorial\/cn\/stepup\/stepup7_6.html<\/a> (Git\u5b66\u4e60\u7f51\u7ad9)<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_16 counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/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-3\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=5596\/#%E6%80%BB%E7%BB%93\" title=\"\u603b\u7ed3\">\u603b\u7ed3<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=5596\/#1%EF%BC%89git%E7%9B%AE%E5%BD%95%E5%8F%8A%E6%96%87%E4%BB%B6\" title=\"1\uff09.git\u76ee\u5f55\u53ca\u6587\u4ef6\">1\uff09.git\u76ee\u5f55\u53ca\u6587\u4ef6<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=5596\/#2%EF%BC%89%E5%B7%A5%E4%BD%9C%E5%8C%BA%E3%80%81%E6%9A%82%E5%AD%98%E5%8C%BA%E3%80%81%E5%8E%86%E5%8F%B2%E5%BA%93\" title=\"2\uff09\u5de5\u4f5c\u533a\u3001\u6682\u5b58\u533a\u3001\u5386\u53f2\u5e93\">2\uff09\u5de5\u4f5c\u533a\u3001\u6682\u5b58\u533a\u3001\u5386\u53f2\u5e93<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=5596\/#3%EF%BC%89git%E5%AF%B9%E8%B1%A1%EF%BC%88blobtreecommittag%EF%BC%89\" title=\"3\uff09git\u5bf9\u8c61\uff08blob,tree,commit,tag\uff09\">3\uff09git\u5bf9\u8c61\uff08blob,tree,commit,tag\uff09<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=5596\/#4%EF%BC%89_%E6%96%87%E4%BB%B6%E7%9A%84%E5%87%A0%E7%A7%8D%E7%8A%B6%E6%80%81\" title=\"4\uff09 \u6587\u4ef6\u7684\u51e0\u79cd\u72b6\u6001\">4\uff09 \u6587\u4ef6\u7684\u51e0\u79cd\u72b6\u6001<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=5596\/#Git%E5%BA%95%E5%B1%82%E5%8E%9F%E7%90%86\" title=\"Git\u5e95\u5c42\u539f\u7406\">Git\u5e95\u5c42\u539f\u7406<\/a><ul class=\"ez-toc-list-level-4\"><li class=\"ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=5596\/#1Git%E5%BC%95%E7%94%A8\" title=\"1.Git\u5f15\u7528\">1.Git\u5f15\u7528<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=5596\/#%E6%8B%93%E5%B1%95\" title=\"\u62d3\u5c55\">\u62d3\u5c55<\/a><ul class=\"ez-toc-list-level-4\"><li class=\"ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=5596\/#git%E9%87%87%E7%94%A8%E7%9A%84sha1%E7%AE%97%E6%B3%95%EF%BC%8C%E4%BC%9A%E4%BA%A7%E7%94%9F%E5%93%88%E5%B8%8C%E7%A2%B0%E6%92%9E%E7%9A%84%E9%A3%8E%E9%99%A9%E5%90%97%EF%BC%9F\" title=\"git\u91c7\u7528\u7684sha1\u7b97\u6cd5\uff0c\u4f1a\u4ea7\u751f\u54c8\u5e0c\u78b0\u649e\u7684\u98ce\u9669\u5417\uff1f\">git\u91c7\u7528\u7684sha1\u7b97\u6cd5\uff0c\u4f1a\u4ea7\u751f\u54c8\u5e0c\u78b0\u649e\u7684\u98ce\u9669\u5417\uff1f<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-10\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=5596\/#sha1%E6%98%AF%E4%B8%8D%E5%8F%AF%E9%80%86%E7%9A%84_%E4%B8%BA%E4%BB%80%E4%B9%88_git_cat-file_-p_%E8%83%BD%E5%A4%9F%E8%BF%98%E5%8E%9F%E6%96%87%E4%BB%B6%E5%86%85%E5%AE%B9%EF%BC%9F\" title=\"sha1\u662f\u4e0d\u53ef\u9006\u7684 \u4e3a\u4ec0\u4e48 git cat-file -p &lt;sha1\u503c&gt; \u80fd\u591f\u8fd8\u539f\u6587\u4ef6\u5185\u5bb9\uff1f\">sha1\u662f\u4e0d\u53ef\u9006\u7684 \u4e3a\u4ec0\u4e48 git cat-file -p &lt;sha1\u503c> \u80fd\u591f\u8fd8\u539f\u6587\u4ef6\u5185\u5bb9\uff1f<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"%E6%80%BB%E7%BB%93\"><\/span>\u603b\u7ed3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u9700\u8981\u7406\u89e3\u7684\u91cd\u8981\u6982\u5ff5<\/strong><\/p>\n<h3><span class=\"ez-toc-section\" id=\"1%EF%BC%89git%E7%9B%AE%E5%BD%95%E5%8F%8A%E6%96%87%E4%BB%B6\"><\/span>1\uff09.git\u76ee\u5f55\u53ca\u6587\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><code>.git\/objects<\/code><br \/>\n\u6570\u636e\u5e93\u3002\u5de5\u4f5c\u76ee\u5f55\u91cc\u7684\u6240\u6709\u6587\u4ef6\uff0c\u4ee3\u7801\u3001\u5e93\u6587\u4ef6\u3001\u56fe\u7247\u7b49\u90fd\u4f1a\u53d8\u6210git\u5bf9\u8c61\u5b58\u5728\u8fd9\u4e2aobjects\u76ee\u5f55\u4e0b\u3002\u6bcf\u4e2a\u6587\u4ef6\u90fd\u662f\u4e00\u4e2a\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002\u53ef\u4ee5\u901a\u8fc7 git cat-file -p SHA1\u503c\u6765\u67e5\u770b\u6587\u4ef6\u7684\u5185\u5bb9\u3002<\/li>\n<li><code>.git\/index<\/code><br \/>\n\u6682\u5b58\u533a\uff08\u7d22\u5f15\uff09\uff0c\u662f\u4e00\u4e2a\u4e8c\u8fdb\u5236\u6587\u4ef6.\u4f7f\u7528git ls-files --stage\u53ef\u4ee5\u67e5\u770b\u64cd\u4f5c\u7684\u6587\u4ef6\uff0cgit add\u5c06\u6587\u4ef6\u52a0\u5165\u6682\u5b58\u533a\uff0cgit rm --cache\u5c06\u6587\u4ef6\u79fb\u51fa\u6682\u5b58\u533a\u3002<\/li>\n<li><code>.git\/HEAD<\/code><br \/>\n\u4e00\u4e2a\u7b26\u53f7\u5f15\u7528\uff08symbolic reference\uff09\uff0c\u6307\u5411<strong>\u5f53\u524d\u6240\u5728\u7684\u5206\u652f\u6700\u65b0commit<\/strong>\u3002 \u6240\u8c13\u7b26\u53f7\u5f15\u7528\uff0c\u8868\u793a\u5b83\u662f\u4e00\u4e2a\u6307\u5411\u5176\u4ed6\u5f15\u7528\u7684\u6307\u9488\u3002\u6587\u4ef6\u5185\u5bb9\uff1aref: refs\/heads\/\u5206\u652f\u540d<br \/>\ngit checkout \u5206\u652f2\uff0c\u6587\u4ef6\u5185\u5bb9\u5c31\u4f1a\u66f4\u65b0\u4e3a\uff1aref: refs\/heads\/\u5206\u652f2<br \/>\ngit commit \u65f6\uff0c\u8be5\u547d\u4ee4\u4f1a\u521b\u5efa\u4e00\u4e2a\u63d0\u4ea4\u5bf9\u8c61\uff0c\u5e76\u7528 HEAD \u6587\u4ef6\u4e2d\u90a3\u4e2a\u5f15\u7528\u6240\u6307\u5411\u7684 SHA-1 \u503c\u8bbe\u7f6e\u5176\u7236\u63d0\u4ea4\u5b57\u6bb5\u3002<br \/>\n\u67e5\u770bHEAD\u6587\u4ef6\u5185\u5bb9\uff1a<code>cat .git\/HEAD<\/code>\u6216\u8005<code>git symbolic-ref HEAD<\/code><br \/>\n\u8bbe\u7f6eHEAD\u6587\u4ef6\u5185\u5bb9\uff1a<code>git symbolic-ref HEAD refs\/heads\/test<\/code>\uff0c\u76f8\u5f53\u4e8e<code>git checkout test<\/code>\u3002<br \/>\n\u67e5\u770bHEAD\u6307\u5411\u7684commit\u7684sha1\u503c\uff1a<code>git rev-parse [--short] HEAD<\/code>,short\u53c2\u6570\u8868\u793a\u663e\u793a\u77ed7\u4f4d\u7684sha1\u503c\u3002<\/li>\n<\/ul>\n<p>\u4e00\u5f20\u56fe\u8868\u660eHEAD\u662f\u6307\u5411<strong>\u5f53\u524d\u6240\u5728\u7684\u5206\u652f\u6700\u65b0commit<\/strong><\/p>\n<p><img src=\"http:\/\/xinyiworld.top\/wordpress\/wp-content\/uploads\/2021\/12\/7CC6C2F2-FCE0-4642-B0F8-83D59DAE79DE.png\" alt=\"\" \/><\/p>\n<p>\u4f46\u662f\u5f53\u4f60checkout commit-id\u6216\u8005tag\uff0cHEAD\u5c31\u662f\u6307\u5411\u67d0\u4e2a\u5177\u4f53\u7684commit(tag\u4e5f\u662f\u4e00\u4e2acommit\uff0c\u53ea\u662f\u4e0d\u53ef\u6539\u53d8)\uff0c\u67e5\u770bHEAD\u6587\u4ef6\u5185\u5bb9\u5c31\u662f\u8fd9\u4e2acommit\u7684sha1\u503c\u3002<\/p>\n<ul>\n<li><code>.git\/refs<\/code><br \/>\n\u5b58\u50a8HEAD\u3001tag\u53ca\u8fdc\u7a0b\u5f15\u7528<br \/>\n<img src=\"http:\/\/xinyiworld.top\/wordpress\/wp-content\/uploads\/2021\/12\/0B988215-B843-44c0-B48A-8043EFCCA386.png\" alt=\"\" \/><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2%EF%BC%89%E5%B7%A5%E4%BD%9C%E5%8C%BA%E3%80%81%E6%9A%82%E5%AD%98%E5%8C%BA%E3%80%81%E5%8E%86%E5%8F%B2%E5%BA%93\"><\/span>2\uff09\u5de5\u4f5c\u533a\u3001\u6682\u5b58\u533a\u3001\u5386\u53f2\u5e93<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<blockquote><p>\n  \u6587\u4ef6\u5728\u5404\u4e2a\u533a\u7684\u8f6c\u5316\u5bf9\u5e94\u7684\u6307\u4ee4:\n<\/p><\/blockquote>\n<pre><code>git add:\u5c06\u6587\u4ef6\u52a0\u5165\u6682\u5b58\u533a\ngit rm --cache\uff1a\u5c06\u6587\u4ef6\u79fb\u51fa\u6682\u5b58\u533a\u3002\n<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"3%EF%BC%89git%E5%AF%B9%E8%B1%A1%EF%BC%88blobtreecommittag%EF%BC%89\"><\/span>3\uff09git\u5bf9\u8c61\uff08blob,tree,commit,tag\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>git\u5bf9\u8c61\u7684\u6570\u636e\u5e93\u7ba1\u7406\u65b9\u6cd5<\/strong><br \/>\ngit cat-file -t sha1\u503c\uff1a\u67e5\u770b\u5bf9\u8c61\u7c7b\u578b<br \/>\ngit cat-file -p sha1\u503c\uff1a\u67e5\u770b\u5bf9\u8c61\u5185\u5bb9<br \/>\ngit cat-file -s sha1\u503c\uff1a\u67e5\u770b\u5bf9\u8c61\u5927\u5c0f<\/p>\n<p><strong>git\u5bf9\u8c61\u7684\u7c7b\u578b<\/strong><\/p>\n<blockquote><p>\n  blob:\u4e8c\u8fdb\u5236\u6587\u4ef6\n<\/p><\/blockquote>\n<p><code>git hash-object<\/code>\uff1a\u5c06\u6587\u4ef6\u5199\u5165\u6570\u636e\u5e93\uff0c\u5728.git\/objects\u751f\u6210\u4e8c\u8fdb\u5236\u5bf9\u8c61.<br \/>\n<code>git cat-file -p sha1\u503c &gt; \u6587\u4ef6\u540d<\/code>\uff1a\u6062\u590d\u6570\u636e\u5e93\u6587\u4ef6\u81f3\u6587\u4ef6.<\/p>\n<blockquote><p>\n  tree\uff1a\u67d0\u6b21commit\u5bf9\u5e94\u7684\u76ee\u5f55\u7684\u5feb\u7167\n<\/p><\/blockquote>\n<p>\u901a\u5e38\uff0cGit \u6839\u636e\u67d0\u4e00\u65f6\u523b\u6682\u5b58\u533a\uff08\u5373 index \u533a\u57df\uff0c\u4e0b\u540c\uff09\u6240\u8868\u793a\u7684\u72b6\u6001\u521b\u5efa\u5e76\u8bb0\u5f55\u4e00\u4e2a\u5bf9\u5e94\u7684\u6811\u5bf9\u8c61\uff0c \u5982\u6b64\u91cd\u590d\u4fbf\u53ef\u4f9d\u6b21\u8bb0\u5f55\uff08\u67d0\u4e2a\u65f6\u95f4\u6bb5\u5185\uff09\u4e00\u7cfb\u5217\u7684\u6811\u5bf9\u8c61\u3002<\/p>\n<p><code>git write-tree<\/code>\uff1a \u5c06\u6682\u5b58\u533a\u5185\u5bb9\u5199\u5165\u4e00\u4e2a\u6811\u5bf9\u8c61<\/p>\n<p>\u5bf9\u8c61\u683c\u5f0f\u6253\u5370\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-shell line-numbers\">040000 tree d564d0bc3dd917926892c55e3706cc116d5b165e    dirTest(\u6709\u975e\u7a7a\u5b50\u76ee\u5f55\u624d\u6709\u8fd9\u4e00\u884c)\n100644 blob a29bdeb434d874c9b1d8969c40c42161b03fafdc    test.txt\n<\/code><\/pre>\n<blockquote><p>\n  commit\uff1a\u6bcf\u6b21commit\u6210\u529f\uff0c\u5c31\u4f1a\u751f\u6210\u5bf9\u5e94\u7684commit\u5bf9\u8c61\u3002\n<\/p><\/blockquote>\n<p>\u5bf9\u8c61\u683c\u5f0f\u6253\u5370\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-shell line-numbers\">tree 30da65dc22dabb8618043d58e14cf3d9b3473c41\nparent cb293ac71cd34a7d81eba08cea0e9d3103588868 (\u9996\u6b21commit\u6ca1\u6709\u8fd9\u4e00\u884c)\nauthor \u7528\u6237\u540d \u90ae\u7bb1 1640156249 +0800\ncommitter \u7528\u6237\u540d \u90ae\u7bb1 1640156249 +0800\ncommit\u4fe1\u606f\n<\/code><\/pre>\n<p><img src=\"http:\/\/xinyiworld.top\/wordpress\/wp-content\/uploads\/2021\/12\/236B291A-E9D3-4076-9A2A-80CFD36B6BBB.png\" alt=\"\" \/><\/p>\n<blockquote><p>\n  \u5bf9\u8c61\u5b58\u50a8\n<\/p><\/blockquote>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/git-scm.com\/book\/zh\/v2\/Git-%E5%86%85%E9%83%A8%E5%8E%9F%E7%90%86-Git-%E5%AF%B9%E8%B1%A1\">https:\/\/git-scm.com\/book\/zh\/v2\/Git-%E5%86%85%E9%83%A8%E5%8E%9F%E7%90%86-Git-%E5%AF%B9%E8%B1%A1<\/a><\/p>\n<blockquote><p>\n  tag\uff1a\n<\/p><\/blockquote>\n<p>\u6807\u7b7e\u5bf9\u8c61\u901a\u5e38\u6307\u5411\u4e00\u4e2a\u63d0\u4ea4\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u6811\u5bf9\u8c61\u3002 \u5b83\u50cf\u662f\u4e00\u4e2a\u6c38\u4e0d\u79fb\u52a8\u7684\u5206\u652f\u5f15\u7528\u2014\u2014\u6c38\u8fdc\u6307\u5411\u540c\u4e00\u4e2a\u63d0\u4ea4\u5bf9\u8c61\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4%EF%BC%89_%E6%96%87%E4%BB%B6%E7%9A%84%E5%87%A0%E7%A7%8D%E7%8A%B6%E6%80%81\"><\/span>4\uff09 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\u5bf9\u8c61\u6570\u636e\u5e93\uff09\uff0c\u5e76\u8fd4\u56de\u6307\u5411\u8be5\u6570\u636e\u5bf9\u8c61\u7684\u552f\u4e00\u7684\u952e.<br \/>\n<code>git cat-file -t sha1\u503c<\/code>\uff1a\u83b7\u53d6\u5b58\u50a8\u7684\u5bf9\u8c61\u7c7b\u578b<br \/>\n<code>git cat-file -p sha1\u503c<\/code>:\u67e5\u770b\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u5185\u5bb9\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Git%E5%BA%95%E5%B1%82%E5%8E%9F%E7%90%86\"><\/span>Git\u5e95\u5c42\u539f\u7406<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"1Git%E5%BC%95%E7%94%A8\"><\/span>1.Git\u5f15\u7528<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>HEAD\u5f15\u7528\u3001tag\u5f15\u7528\u3001\u8fdc\u7a0b\u5f15\u7528<\/p>\n<ul>\n<li>HEAD\u5f15\u7528<br \/>\n<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/blog.csdn.net\/albertsh\/article\/details\/106448035\">https:\/\/blog.csdn.net\/albertsh\/article\/details\/106448035<\/a>\uff08\u5b9e\u8df5\u8bf4\u660e\uff09<\/p>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/segmentfault.com\/a\/1190000022506884\">https:\/\/segmentfault.com\/a\/1190000022506884<\/a><\/p>\n<p>HEAD~\u4e0eHEAD^\u7684\u533a\u522b\uff1a<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/www.cnblogs.com\/mengff\/p\/12809911.html\">https:\/\/www.cnblogs.com\/mengff\/p\/12809911.html<\/a>\uff0c\u5982\u679c\u67d0\u4e2acommit\u6709\u5206\u53c9\uff08\u65b0\u5efa\u4e86\u5206\u652f\uff09\uff0cHEAD^N\u5c31\u4f1a\u8d70\u7b2c\u51e0\u4e2a\u53c9\u3002<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%E6%8B%93%E5%B1%95\"><\/span>\u62d3\u5c55<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"git%E9%87%87%E7%94%A8%E7%9A%84sha1%E7%AE%97%E6%B3%95%EF%BC%8C%E4%BC%9A%E4%BA%A7%E7%94%9F%E5%93%88%E5%B8%8C%E7%A2%B0%E6%92%9E%E7%9A%84%E9%A3%8E%E9%99%A9%E5%90%97%EF%BC%9F\"><\/span>git\u91c7\u7528\u7684sha1\u7b97\u6cd5\uff0c\u4f1a\u4ea7\u751f\u54c8\u5e0c\u78b0\u649e\u7684\u98ce\u9669\u5417\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u4f1a\u6709\u78b0\u649e\u7684\u98ce\u9669\uff0c\u4f46\u662f\u98ce\u9669\u7cfb\u7edf\u6781\u5c0f\uff0c\u5982\u706b\u661f\u649e\u5730\u7403\u7684\u6982\u7387\u3002\u4e00\u822cgit\u6e90\u4ee3\u7801\u5e73\u53f0\u90fd\u4f1a\u6709sha1\u54c8\u5e0c\u78b0\u649e\u68c0\u6d4b\u65b9\u6cd5\u3002<br \/>\n<a class=\"wp-editor-md-post-content-link\" href=\"http:\/\/seanchense.github.io\/2018\/01\/24\/git-implementation-sha1-collision\/\">http:\/\/seanchense.github.io\/2018\/01\/24\/git-implementation-sha1-collision\/<\/a><\/p>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/blog.csdn.net\/weixin_33724046\/article\/details\/90538691\">https:\/\/blog.csdn.net\/weixin_33724046\/article\/details\/90538691<\/a><\/p>\n<h4><span class=\"ez-toc-section\" id=\"sha1%E6%98%AF%E4%B8%8D%E5%8F%AF%E9%80%86%E7%9A%84_%E4%B8%BA%E4%BB%80%E4%B9%88_git_cat-file_-p_%E8%83%BD%E5%A4%9F%E8%BF%98%E5%8E%9F%E6%96%87%E4%BB%B6%E5%86%85%E5%AE%B9%EF%BC%9F\"><\/span>sha1\u662f\u4e0d\u53ef\u9006\u7684 \u4e3a\u4ec0\u4e48 git cat-file -p &lt;sha1\u503c> \u80fd\u591f\u8fd8\u539f\u6587\u4ef6\u5185\u5bb9\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u6839\u636efile\u751f\u6210\u6587\u4ef6\u7684sha1\u503c\uff0c \u800c\u8fd9\u4e2a\u503c\u57fa\u672c\u4e0a\u53ef\u4ee5\u8ba4\u5b9a\u4e3a\u662f\u552f\u4e00\u7684\uff0c \u800c\u4e14\u9488\u5bf9\u6587\u4ef6\u7684\u6bcf\u6b21\u4fee\u6539\uff0c sha1\u503c\u90fd\u662f\u53d8\u5316\u7684\u3002git\u7cfb\u7edf\u4e2d\u4fdd\u5b58\u4e86sha1\u548cfile\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c 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