{"id":316457,"date":"2021-02-04T11:39:19","date_gmt":"2021-02-04T03:39:19","guid":{"rendered":"http:\/\/4563.org\/?p=316457"},"modified":"2021-02-04T11:39:19","modified_gmt":"2021-02-04T03:39:19","slug":"%e4%bb%a3%e7%a0%81%e6%89%98%e7%ae%a1%e4%bb%8e%e4%b8%9a%e8%80%85-git-%e6%8c%87%e5%8d%97%ef%bc%88%e4%b8%8a%ef%bc%89","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=316457","title":{"rendered":"\u4ee3\u7801\u6258\u7ba1\u4ece\u4e1a\u8005 Git \u6307\u5357\uff08\u4e0a\uff09"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u4ee3\u7801\u6258\u7ba1\u4ece\u4e1a\u8005 Git \u6307\u5357\uff08\u4e0a\uff09               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : CodingNET <\/span>  <span><i><\/i> 10<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<blockquote>\n<p>\u672c\u6587\u4f5c\u8005\uff1a\u674e\u535a\u6587 &#8211; CODING \u540e\u7aef\u5f00\u53d1\u5de5\u7a0b\u5e08<\/p>\n<\/blockquote>\n<h2>\u524d\u8a00<\/h2>\n<p>\u516d\u4e03\u5e74\u524d\uff0c\u6211\u673a\u7f18\u5de7\u5408\u8fdb\u5165\u4e86\u4ee3\u7801\u6258\u7ba1\u884c\u4e1a\uff0c\u505a\u8fc7\u57fa\u4e8e Git \u652f\u6301 SVN \u5ba2\u6237\u7aef\u63a5\u5165\u3001Git \u4ee3\u7801\u6258\u7ba1\u5e73\u53f0\u5206\u5e03\u5f0f\u3001Git \u4ee3\u7801\u6258\u7ba1\u8bfb\u5199\u5206\u79bb\u3001Git \u4ee3\u7801\u6258\u7ba1\u9ad8\u53ef\u7528\u7b49\u5de5\u4f5c\uff0c\u6240\u5e78\u5b66\u5230\u4e86\u4e00\u4e9b\u77e5\u8bc6\uff0c\u79ef\u7d2f\u4e86\u4e00\u4e9b\u7ecf\u9a8c\uff0c\u672c\u6b21\u5206\u4eab\u6211\u7684\u4e00\u70b9\u7ecf\u9a8c\u4e4b\u8c08\uff0c\u5e0c\u671b\u5bf9\u5373\u5c06\u8fdb\u5165\u6216\u8005\u5df2\u5728\u4ee3\u7801\u6258\u7ba1\u884c\u4e1a\u7684\u670b\u53cb\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<h2>Git \u7684\u53d1\u5c55\u5386\u53f2<\/h2>\n<h3>\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u7684\u53d1\u5c55\u5386\u53f2<\/h3>\n<p>\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u5386\u53f2\u60a0\u4e45\uff0c\u6700\u65e9\u7684\u5f00\u6e90\u7684\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u53ef\u4ee5\u8ffd\u6eaf\u5230\u51e0\u4e4e\u4e0e C \u8bed\u8a00\u540c\u65f6\u8bde\u751f\u7684 Source Code Control System (SCCS)\uff0c\u4f5c\u8005 <strong>Marc J. Rochkind<\/strong> \u6765\u81ea\u8457\u540d\u7684\u8d1d\u5c14\u5b9e\u9a8c\u5ba4\uff0c\u4ed6\u4e8e 1973 \u5e74\u53d1\u5e03\u4e86 SCCS \u7684\u521d\u59cb\u7248\u672c\u3002SCCS \u7684\u5bff\u547d\u60a0\u4e45\uff0c\u76f4\u5230 2007 \u5e74\u518d\u6ca1\u6709\u4eba\u7ef4\u62a4\u800c\u7ec8\u7ed3\u3002SCCS \u672c\u8d28\u4e0a\u662f\u4e00\u79cd <strong>Local Only<\/strong> \u7248\u672c\u63a7\u5236\u7cfb\u7edf\uff0c\u5982\u4eca\u7f51\u7edc\u5feb\u901f\u53d1\u5c55\uff0c\u65e0\u6cd5\u8ddf\u4e0a\u65f6\u4ee3\u7684\u811a\u6b65\u53ea\u80fd\u6d88\u4ea1\uff0c\u540c\u7c7b\u578b\u7684 RCS \u867d\u7136\u7ef4\u62a4\u81f3\u4eca\uff0c\u4e5f\u9c9c\u6709\u4eba\u95ee\u6d25\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" referrerpolicy=\"no-referrer\" rel=\"noreferrer\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2021\/02\/20210205_601cda1ed8687.png\" alt=\"\u4ee3\u7801\u6258\u7ba1\u4ece\u4e1a\u8005 Git \u6307\u5357\uff08\u4e0a\uff09\" \/><\/p>\n<p>1986 \u5e74\u8bde\u751f\u7684 CVS \u662f\u4e00\u6b3e\u771f\u6b63\u7684\u81ea\u7531\u8f6f\u4ef6\uff0c\u4f7f\u7528 GPL \u534f\u8bae\u53d1\u5e03\u3002\u4e00\u4e2a\u6709\u8da3\u7684\u4e8b\u5b9e\u662f\uff1aCVS \u662f RCS \u7684\u524d\u7aef\uff0c\u4e5f\u5c31\u662f\u8bf4 CVS \u5c06 RCS \u4ece <strong>Local Only<\/strong> \u53d8\u6210\u4e86 <strong>Client-Server<\/strong> \u7248\u672c\u63a7\u5236\u7cfb\u7edf\u3002\u968f\u7740 2000 \u5e74 Apache Subversion \u8bde\u751f\uff0cCVS \u7684\u5e02\u573a\u5feb\u901f\u840e\u7f29\uff0c\u5230\u4e86 2008 \u5e74 CVS \u4e0d\u518d\u7ef4\u62a4\uff0c\u96c6\u4e2d\u5f0f\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u6e10\u6e10\u4e5f\u53ea\u5269 Subversion \u5728\u7ef4\u62a4\u4e86\u3002\u3000<\/p>\n<p>\u6700\u65e9\u7684\u5206\u5e03\u5f0f\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u662f 1992 \u5e74\u8bde\u751f\u7684 Sun WorkShop TeamWare\uff0c\u4f46\u5b83\u5e76\u6ca1\u6709\u53d1\u5c55\u7684\u5f88\u597d\u3002\u4ece 2000 \u5e74\u5230 2007 \u5e74\uff0c\u5206\u5e03\u5f0f\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u5982\u96e8\u540e\u6625\u7b0b\u4e00\u6837\u5192\u4e86\u51fa\u6765\uff0c2005 \u5e74\u8bde\u751f\u7684 Git \u548c Mercurial \u5e78\u8fd0\u6d41\u4f20\u5f00\u6765\uff0c\u65f6\u81f3\u4eca\u65e5\uff0cGit \u7ec8\u4e8e\u5728\u7248\u672c\u63a7\u5236\u9886\u57df\u72ec\u5360\u9ccc\u5934\u3002 <\/p>\n<h3>Git \u7684\u53d1\u5c55\u53f2<\/h3>\n<p>2005 \u5e74\uff0c\u5f00\u53d1 BitKeeper \u7684\u5546\u4e1a\u516c\u53f8\u7ed3\u675f\u4e0e Linux \u5185\u6838\u5f00\u6e90\u793e\u533a\u7684\u5408\u4f5c\u5173\u7cfb\uff0c\u4ed6\u4eec\u6536\u56de\u4e86 Linux \u5185\u6838\u793e\u533a\u514d\u8d39\u4f7f\u7528 BitKeeper \u7684\u6743\u5229\u3002Linus Torvalds \u82b1\u4e86\u5341\u5929\u65f6\u95f4\u7f16\u5199\u4e86 Git \u7684\u7b2c\u4e00\u4e2a\u7248\u672c\uff0cGit \u7684\u6545\u4e8b\u7531\u6b64\u5c55\u5f00\u3002<\/p>\n<p>Git \u539f\u672c\u53ea\u80fd\u5728 Linux \u4e0a\u8fd0\u884c\uff0c\u968f\u7740\u5f00\u6e90\u793e\u533a\u7684\u53c2\u4e0e\uff0c\u9010\u6e10\u80fd\u5728\u5404\u4e2a\u5e73\u53f0\u4e0a\u8fd0\u884c\u3002\u5728 Windows \u4e0a\uff0c\u6700\u521d\u6709\u4e24\u4e2a\u65b9\u6848\uff0c\u4e00\u4e2a\u662f\u8ba9 Git \u5728 Cygwin \u7684\u73af\u5883\u4e0b\u7f16\u8bd1\uff0cCygwin \u662f Windows \u4e0a\u7684 POSIX \u517c\u5bb9\u5c42\uff0c\u4f46\u7f3a\u9677\u662f\u9700\u8981\u5e26\u4e00\u5927\u5806 DLL \u3002\u53e6\u4e00\u4e2a\u65b9\u6848\u662f msysgit\uff0c\u57fa\u4e8e MSYS \u8fd0\u884c\u65f6\uff0cMYSY \u662f\u66f4\u5c0f\u7684 POSIX \u517c\u5bb9\u73af\u5883\u3002\u5230\u4e86 2015 \u5e74\uff0cmsysgit \u4e0d\u518d\u7ef4\u62a4\uff0c\u4e3b\u8981\u5f00\u53d1\u8005\u57fa\u4e8e MSYS2 \u73af\u5883\u63a8\u51fa\u4e86 Git for Windows\uff0c\u800c MSYS2 \u7684\u6838\u5fc3\u8fd0\u884c\u65f6\u57fa\u4e8e Cygwin \u8fdb\u884c\u4e86\u5b9a\u5236\u3002\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u5728 Git for Windows \u4e2d\uff0cGit \u547d\u4ee4\u5e76\u4e0d\u662f\u57fa\u4e8e MSYS2 \u8fd0\u884c\u65f6\uff0c\u800c\u662f\u539f\u751f\u7684 Windows \u7a0b\u5e8f\uff0c\u5230\u4eca\u5929\u6211\u4eec\u5df2\u7ecf\u53ef\u4ee5\u4f7f\u7528 Visual C++ \u7f16\u8bd1 Git \u6e90\u7801\u4e86\uff0cGit for Windows \u7684\u7ef4\u62a4\u8005 Johannes Schindelin \u52a0\u5165\u5fae\u8f6f\u540e\uff0c\u5728 Windows \u4e0a\u4f7f\u7528 Git \u7684\u4f53\u9a8c\u4e5f\u8d8a\u6765\u8d8a\u597d\u3002<\/p>\n<p>2008 \u5e74 11 \u6708 Shawn O. Pearce \u5199\u4e0b\u4e86 libgit2 \u7684\u7b2c\u4e00\u4e2a\u63d0\u4ea4\uff1b 2009 \u5e74 9 \u6708\uff0cShawn \u5199\u4e0b\u4e86 JGit \u7684\u7b2c\u4e00\u4e2a\u63d0\u4ea4\u3002Libgit2\/jgit \u88ab\u4ee3\u7801\u6258\u7ba1\u5e73\u53f0\uff0cGit \u5ba2\u6237\u7aef\u5e7f\u6cdb\u4f7f\u7528\uff0c\u6bd4\u5982 GitHub \u4f7f\u7528 libgit2 \u7684 Ruby \u7ed1\u5b9a rugged \u63d0\u4f9b\u9875\u9762\u8bfb\u5199\u5b58\u50a8\u5e93\u80fd\u529b\u3002\u9057\u61be\u7684\u662f Shawn \u5df2\u7ecf\u79bb\u5f00\u8fd9\u4e2a\u4e16\u754c\u4e24\u5e74\u591a\u4e86\u3002<\/p>\n<p>\u518d\u6765\u56de\u987e Git \u7684\u4e00\u4e9b\u5927\u4e8b\u4ef6\uff1a2008 \u5e74 GitHub \u8bde\u751f\uff0c\u662f\u6700\u6210\u529f\u7684\u4ee3\u7801\u6258\u7ba1\u5e73\u53f0\uff0c\u51e0\u4e4e\u4ee5\u4e00\u5df1\u4e4b\u529b\u5e26\u6765\u4e86 Git \u7684\u7e41\u8363\uff1b 2008 \u5e74 BitBucket \u8bde\u751f\uff0c\u6700\u521d BitBucket \u8fd8\u652f\u6301 Mercurial\uff0c\u5230\u4e86 2020 \u5e74\u5df2\u4e0d\u518d\u652f\u6301\uff1b 2011 \u5e74 GitLab \u8bde\u751f\uff0c\u800c\u56fd\u5185\u7684 Gitee \u4e5f\u662f\u57fa\u4e8e GitLab \u53d1\u5c55\u800c\u6765\u7684\uff1b 2014 \u5e74 CODING \u6210\u7acb\uff0c\u56fd\u5185\u56fd\u5916\u4ee3\u7801\u6258\u7ba1\u5e73\u53f0\u767e\u82b1\u9f50\u653e\uff1b 2018 \u5e74\uff0c\u5fae\u8f6f\u82b1\u8d39 75 \u4ebf\u7f8e\u5143\u6536\u8d2d GitHub\uff0c\u5927\u5bb6\u624d\u731b\u7136\u53d1\u73b0\uff0c\u57fa\u4e8e Git \u7684\u4ee3\u7801\u6258\u7ba1\u5e73\u53f0\u5df2\u7ecf\u6709\u4e86\u8fd9\u6837\u5927\u7684\u4ef7\u503c\u3002<\/p>\n<p>Git \u662f\u4e00\u4e2a\u5145\u6ee1\u6d3b\u529b\u7684\u7248\u672c\u63a7\u5236\u7cfb\u7edf\uff0c\u6bcf\u4e00\u5e74\uff0cGit \u7684\u5f00\u53d1\u8005\u4eec\u90fd\u5728\u5c06\u4ed6\u4eec\u65b0\u7684\u77e5\u8bc6\u3001\u7ecf\u9a8c\u5b9e\u8df5\u5230 Git \u4e2d\u30022018 \u5e74 5 \u6708\uff0c\u5728\u8c37\u6b4c\u5de5\u4f5c\u7684 Git \u5f00\u53d1\u8005\u4eec\u53d1\u5e03\u4e86 Git Wire Protocol\uff0c\u8fd9\u89e3\u51b3\u4e86 Git \u534f\u8bae\u4e2d\u6700\u4f4e\u6548\u7684\u90e8\u5206\uff1b\u5230\u4e86 2020 \u5e74 10 \u6708\uff0cGit \u5b9e\u9a8c\u6027\u5730\u652f\u6301 SHA256 \u54c8\u5e0c\u7b97\u6cd5\uff0c\u5728 SHA1 \u88ab\u7834\u89e3\u51e0\u5e74\u540e\uff0c\u6211\u4eec\u7ec8\u4e8e\u53ef\u4ee5\u5728 Git \u4e2d\u5c1d\u8bd5\u6dd8\u6c70 SHA1 \u4e86\u3002<\/p>\n<p>Git \u7684\u53d1\u5c55\u5fc5\u7136\u4f1a\u6324\u5360\u5176\u4ed6\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u4efd\u989d\uff0c\u968f\u7740 Git \u8d8a\u6765\u8d8a\u6d41\u884c\uff0c\u66f4\u591a\u7684\u9879\u76ee\u4e5f\u4ece\u5176\u4ed6\u7684\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u8fc1\u79fb\u5230 Git \u4e0a\u6765\uff1a<\/p>\n<ul>\n<li>\u7f16\u8bd1\u5668\u57fa\u7840\u8bbe\u65bd LLVM \u4ece SVN \u8fc1\u79fb\u5230 Git<\/li>\n<li>FreeBSD \u4ece SVN \u8fc1\u79fb\u5230 Git<\/li>\n<li>GCC \uff08\u4ecd\u5904\u4e8e\u8fc1\u79fb\u8fc7\u7a0b\u4e2d\uff09\u4ece SVN \u8fc1\u79fb\u5230 Git<\/li>\n<li>Windows \u6e90\u7801\uff08\u5df2\u7ecf\u8fc1\u79fb\u5230 Git\uff0c\u4f7f\u7528 VFS for Git \u6280\u672f\uff09<\/li>\n<li>VIM \u8fc1\u79fb\u5230 GitHub<\/li>\n<li>OpenJDK \u4ece Mercurial \u8fc1\u79fb\u5230 Git<\/li>\n<\/ul>\n<p>2016 \u5e74\uff0cGit \u8bde\u751f 11 \u5e74\u4e4b\u540e\uff0cBitKeeper \u5ba3\u5e03\u91c7\u7528 Apache 2.0 \u8bb8\u53ef\u534f\u8bae\u5f00\u6e90\uff0c\u5982\u679c\u518d\u56de\u5230 2005 \u5e74\uff0cBitKeeper \u53c8\u4f1a\u505a\u51fa\u600e\u6837\u7684\u6289\u62e9\u5462\uff1f<\/p>\n<h2>Git \u7684\u5b58\u50a8\u539f\u7406<\/h2>\n<p>\u5bf9\u4e8e\u4ee3\u7801\u6258\u7ba1\u4ece\u4e1a\u4eba\u5458\u6765\u8bf4\uff0c\u53ea\u4e86\u89e3 Git \u7684\u4f7f\u7528\u5e76\u4e0d\u8db3\u4ee5\u53c2\u4e0e\u4ee3\u7801\u6258\u7ba1\u5e73\u53f0\u670d\u52a1\u5f00\u53d1\u548c\u67b6\u6784\u4f18\u5316\u7b49\u5de5\u4f5c\uff0c\u6240\u4ee5\u4e86\u89e3 Git \u7684\u4e00\u4e9b\u539f\u7406\u975e\u5e38\u5fc5\u8981\u3002<\/p>\n<h3>Git \u7684\u76ee\u5f55\u7ed3\u6784<\/h3>\n<p>\u9996\u5148\u9700\u8981\u4e86\u89e3 Git \u5b58\u50a8\u5e93\u7684\u76ee\u5f55\u7ed3\u6784\uff0cGit \u5b58\u50a8\u5e93\u5206\u4e3a\u5e38\u89c4\u5b58\u50a8\u5e93\u548c Bare \uff08\u88f8\uff09\u5b58\u50a8\u5e93\uff0c\u666e\u901a\u7528\u6237\u4ece\u8fdc\u7a0b\u514b\u9686\u4e0b\u6765\u7684\u5b58\u50a8\u5e93\uff0c\u6216\u8005\u672c\u5730\u521d\u59cb\u5316\u7684\u5b58\u50a8\u5e93\u5927\u591a\u662f\u5e38\u89c4\u5b58\u50a8\u5e93\uff0c\u8fd9\u7c7b\u5b58\u50a8\u5e93\u548c\u7279\u5b9a\u7684\u5de5\u4f5c\u533a\u76f8\u5173\u8054\uff1b\u53e6\u4e00\u7c7b\u662f\u6ca1\u6709\u5de5\u4f5c\u533a\u7684\u5b58\u50a8\u5e93\uff0c\u5c31\u662f\u88f8\u5b58\u50a8\u5e93\uff0c\u5728\u4ee3\u7801\u6258\u7ba1\u5e73\u53f0\u7684\u670d\u52a1\u5668\u4e0a\uff0c\u5b58\u50a8\u5e93\u51e0\u4e4e\u90fd\u662f\u4ee5\u88f8\u5b58\u50a8\u5e93\u7684\u65b9\u5f0f\u5b58\u50a8\u7684\u3002\u5bf9\u4e8e\u5e38\u89c4\u5b58\u50a8\u5e93\u800c\u8a00\uff0c\u5176\u5b58\u50a8\u5e93\u771f\u6b63\u7684\u8def\u5f84\u662f\u5de5\u4f5c\u533a\u6839\u76ee\u5f55\u4e0b\u7684 <code>.git<\/code> \u6587\u4ef6\u5939\uff0c\u6216\u8005 <code>.git<\/code> \u6587\u4ef6\u6307\u5411\u7684\u76ee\u5f55\uff0c\u540e\u8005\u901a\u5e38\u7528\u4e8e Git \u5b50\u6a21\u5757\u3002<\/p>\n<p>\u77e5\u9053\u4e86 Git \u5b58\u50a8\u5e93\u7684\u4f4d\u7f6e\uff0c\u5c31\u53ef\u4ee5\u67e5\u770b\u5b58\u50a8\u5e93\u7684\u76ee\u5f55\u7ed3\u6784\uff0c\u4e0b\u9762\u662f\u4e00\u4e2a\u67e5\u770b\u5b58\u50a8\u5e93\u7684\u622a\u56fe\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" referrerpolicy=\"no-referrer\" rel=\"noreferrer\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2021\/02\/20210205_601cda2f94de2.png\" alt=\"\u4ee3\u7801\u6258\u7ba1\u4ece\u4e1a\u8005 Git \u6307\u5357\uff08\u4e0a\uff09\" \/><\/p>\n<p>\u4e0d\u540c\u7684\u76ee\u5f55\u5177\u5907\u4e0d\u540c\u7684\u4f5c\u7528\uff0c\u5927\u81f4\u5982\u4e0b\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u8def\u5f84<\/th>\n<th>\u5c5e\u6027<\/th>\n<th>\u4f5c\u7528<\/th>\n<th>\u5907\u6ce8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>HEAD<\/td>\n<td><code>R<\/code><\/td>\n<td>\u5b58\u50a8\u5f53\u524d\u68c0\u51fa\u7684\u5f15\u7528\u6216\u8005\u63d0\u4ea4 ID<\/td>\n<td>\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7528\u4e8e\u5c55\u793a\u9ed8\u8ba4\u5206\u652f<\/td>\n<\/tr>\n<tr>\n<td>config<\/td>\n<td><code>R<\/code><\/td>\n<td>\u5b58\u50a8\u5e93\u914d\u7f6e<\/td>\n<td>\u5b58\u50a8\u5e93\u914d\u7f6e\u4f18\u5148\u7ea7\u9ad8\u4e8e\u7528\u6237\u914d\u7f6e\uff0c\u7528\u6237\u914d\u7f6e\u4f18\u5148\u7ea7\u9ad8\u4e8e\u7cfb\u7edf\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>branches<\/td>\n<td><code>D<\/code><\/td>\n<td><code>deprecated<\/code><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>description<\/td>\n<td><code>R<\/code><\/td>\n<td><code>depracated<\/code><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>hooks<\/td>\n<td><code>D<\/code><\/td>\n<td>Git \u94a9\u5b50\u76ee\u5f55\uff0c\u5305\u62ec\u670d\u52a1\u7aef\u94a9\u5b50\u548c\u5ba2\u6237\u7aef\u94a9\u5b50<\/td>\n<td>\u5f53\u8bbe\u7f6e\u4e86 <code>core.hooksPath<\/code> \u65f6\uff0c\u5219\u4f1a\u4ece\u8bbe\u7f6e\u7684\u94a9\u5b50\u76ee\u5f55\u67e5\u627e\u94a9\u5b50<\/td>\n<\/tr>\n<tr>\n<td>info<\/td>\n<td><code>D<\/code><\/td>\n<td>\u5b58\u50a8\u5e93\u4fe1\u606f<\/td>\n<td>dump \u534f\u8bae\u4f9d\u8d56\uff0c\u4f46\u76ee\u524d dump \u534f\u8bae\u5df2\u65e0\u4eba\u95ee\u6d25<\/td>\n<\/tr>\n<tr>\n<td>objects<\/td>\n<td><code>D<\/code><\/td>\n<td>\u5b58\u50a8\u5e93\u5bf9\u8c61\u5b58\u50a8\u76ee\u5f55<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>refs<\/td>\n<td><code>D<\/code><\/td>\n<td>\u5b58\u50a8\u5e93\u5f15\u7528\u5b58\u50a8\u76ee\u5f55<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>packed-refs<\/td>\n<td><code>R<\/code><\/td>\n<td>\u5b58\u50a8\u5e93\u6253\u5305\u5f15\u7528\u5b58\u50a8\u6587\u4ef6<\/td>\n<td>\u8be5\u6587\u4ef6\u53ef\u80fd\u4e0d\u5b58\u5728\uff0c\u8fd0\u884c <code>git pack-refs<\/code> \u6216\u8005 <code>git gc<\/code> 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<code>objects\/[0-9a-f]{2}\/[0-9a-f]{38}$<\/code>\uff0c\u5f53\u7136\u5982\u679c\u4f7f\u7528 SHA256 \u5219\u5e94\u8be5\u5339\u914d <code>objects\/[0-9a-f]{2}\/[0-9a-f]{62}$<\/code>\uff0c\u677e\u6563\u5bf9\u8c61\u7684\u7a7a\u95f4\u5e03\u5c40\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" referrerpolicy=\"no-referrer\" rel=\"noreferrer\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2021\/02\/20210205_601cda4510361.png\" alt=\"\u4ee3\u7801\u6258\u7ba1\u4ece\u4e1a\u8005 Git \u6307\u5357\uff08\u4e0a\uff09\" \/><\/p>\n<p>Git \u4f7f\u7528\u7684 Deflate \u662f Phil Katz \u4e3a PKZIP \u521b\u5efa\u7684\u538b\u7f29\u7b97\u6cd5\uff0c\u4e5f\u662f\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684\u538b\u7f29\u7b97\u6cd5\u4e4b\u4e00\uff0c\u5176\u53d8\u4f53 GZIP \u4e5f\u88ab\u5e7f\u6cdb\u7528\u4e8e POSIX \u6587\u4ef6\u538b\u7f29\u548c HTTP \u538b\u7f29\u3002Git \u547d\u4ee4\u884c\uff0clibgit2 \u76ee\u524d\u4f9d\u8d56 zlib \u63d0\u4f9b deflate \u7b97\u6cd5\uff0cjgit \u5219\u4f7f\u7528 Java 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\u5bf9\u8c61\u5b58\u50a8\u4e86\u7528\u6237\u7684\u63d0\u4ea4\u4fe1\u606f\uff0c<code>tree<\/code> \u987e\u540d\u601d\u4e49\uff0c\u5b58\u50a8\u7684\u662f\u76ee\u5f55\u7ed3\u6784\u3002\u4e0b\u9762\u662f\u4e00\u4e2a commit \u5bf9\u8c61\u7684\u5185\u5bb9\uff1a<\/p>\n<pre><code>tree d8329fc1cc938780ffdd9f94e0d364e0ea74f579 author Scott Chacon &lt;[email&#160;protected]&gt; 1243040974 -0700 committer Scott Chacon &lt;[email&#160;protected]&gt; 1243040974 -0700  First commit <\/code><\/pre>\n<p>\u4e0b\u9762\u662f tree \u5bf9\u8c61\u7684\u5185\u5bb9\uff1a<\/p>\n<pre><code>100644 blob a906cb2a4a904a152e80877d4088654daad0c859      README 100644 blob 8f94139338f9404f26296befa88755fc2598c289      Rakefile 040000 tree 99f1a6d12cb4b6f19c8655fca46c3ecf317074e0      lib <\/code><\/pre>\n<p>\u89e3\u6790\u677e\u6563\u5bf9\u8c61\u975e\u5e38\u5bb9\u6613\uff0c\u6211\u4eec\u53ea\u9700\u8981\u4f7f\u7528\u80fd\u591f\u89e3\u6790 <code>zlib<\/code> 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loading=\"lazy\" referrerpolicy=\"no-referrer\" rel=\"noreferrer\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2021\/02\/20210205_601cda554080e.png\" alt=\"\u4ee3\u7801\u6258\u7ba1\u4ece\u4e1a\u8005 Git \u6307\u5357\uff08\u4e0a\uff09\" \/><\/p>\n<p>Pack \u6587\u4ef6\u7684\u8def\u5f84\u6b63\u5219\u4e3a <code>objects\/pack\/pack-[0-9a-f]{40}.pack$<\/code>\uff0c\u5f53\u5b58\u50a8\u5e93\u4f7f\u7528 SHA256 \u54c8\u5e0c\u7b97\u6cd5\u65f6\uff0c\u76f8\u5e94\u7684\u8def\u5f84\u6b63\u5219\u4e3a<code>objects\/pack\/pack-[0-9a-f]{64}.pack$<\/code>\uff0cPack \u6587\u4ef6\u7684\u9b54\u6570\u662f <code>'P','A','C','K'<\/code>\uff0c\u968f\u540e\u7684 4 \u5b57\u8282\u662f\u7248\u672c\u4fe1\u606f\uff0c\u7248\u672c\u53ef\u4ee5\u4e3a 2\uff0c\u4e5f\u53ef\u4ee5\u4e3a 3\uff0c\u540e\u8005\u662f SHA256 \u652f\u6301\u7684\u524d\u63d0\u3002\u6211\u4eec\u5728\u8bfb\u53d6 Pack \u6587\u4ef6\u7248\u672c\u7684\u65f6\u5019\u9700\u8981\u6ce8\u610f\uff0cGit 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SHA1<\/code>\uff0c\u5f53\u7136\u5982\u679c\u662f SHA-256 \u5b58\u50a8\u5e93\uff0c\u5219\u9700\u8981\u4f7f\u7528 SHA-256 \u8ba1\u7b97 <code>checksum<\/code>\u3002<\/p>\n<p>\u4e0a\u56fe\u4e00\u76ee\u4e86\u7136\uff0c\u5982\u679c\u6ca1\u6709\u5176\u4ed6\u63aa\u65bd\uff0c\u6211\u4eec\u8981\u5728 Pack \u6587\u4ef6\u4e2d\u67e5\u627e\u67d0\u4e2a\u5bf9\u8c61\u662f\u975e\u5e38\u96be\u7684\uff0c\u6240\u5e78\u8fd9\u4e2a\u95ee\u9898\u4e00\u5f00\u59cb\u5c31\u88ab\u91cd\u89c6\u4e86\uff0c\u5728 Pack \u6587\u4ef6\u7684\u540c\u7ea7\u76ee\u5f55\u4e0b\u5b58\u5728\u6587\u4ef6\u540e\u7f00\u540d\u4e3a <code>.idx<\/code> \u7684\u6587\u4ef6\uff0c\u5c31\u662f Pack Index\uff0c\u5176\u5e03\u5c40\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" referrerpolicy=\"no-referrer\" rel=\"noreferrer\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2021\/02\/20210205_601cda6a77ae3.png\" alt=\"\u4ee3\u7801\u6258\u7ba1\u4ece\u4e1a\u8005 Git \u6307\u5357\uff08\u4e0a\uff09\" \/><\/p>\n<p>\u7248\u672c 1 \u7684 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data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : gscsnm <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5b66\u4e60\u4e86\uff0c\u70b9\u8d5e                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee3\u7801\u6258\u7ba1\u4ece\u4e1a\u8005 Git 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