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1 <!DOCTYPE html> 2 3 <html lang="en"> 4 5 <head> 6 <meta charset="utf-8"> 7 <meta http-equiv="content-type" content="text/html; charset=utf-8" /> 8 9 <link rel="start" href="https://vincent.demeester.fr" /> 10 11 <title>Vincent Demeester</title> 12 <link rel="canonical" href="https://vincent.demeester.fr/posts/2012-05-08-gitolite-quick-and-dirty-mirror/"> 13 <link href="https://vincent.demeester.fr/index.xml" rel="alternate" type="application/rss+xml" title="Vincent Demeester" /> 14 15 <link rel="openid.server" href="https://indieauth.com/openid" /> 16 <link rel="openid.delegate" href="http://vincent.demeester.fr/" /> 17 <link rel="shortcut icon" type="image/x-icon" href="favicon.ico"> 18 19 <link rel="stylesheet" href="/css/screen.css" type="text/css" /> 20 <link rel="stylesheet" href="/css/sbrain.css" type="text/css" /> 21 <link rel="stylesheet" href="/css/syntax.css" type="text/css" /> 22 23 </head> 24 25 <body lang="" class="gray"> 26 27 28 29 30 31 32 <div id="main-container"> 33 <div id="page"> 34 <article class="post"> 35 <header> 36 <h1 class="emphnext">Gitolite quick and dirty mirror</h1><a href='https://vincent.demeester.fr/posts/2012-05-08-gitolite-quick-and-dirty-mirror/'></a> 37 <address class="signature"> 38 <span class="date">Tue, 8 May, 2012</span> 39 <span class="words">(700 Words)</span> 40 </address> 41 <ul class="tag_box inline"> 42 43 <li class="category"><a href="/categories/#developement">developement</a></li> 44 45 46 47 48 49 <li class="tag tag-gitolite"><a href="/tags/#gitolite">gitolite<span>1</span></a></li> 50 51 52 <li class="tag tag-git"><a href="/tags/#git">git<span>3</span></a></li> 53 54 55 <li class="tag tag-linux"><a href="/tags/#linux">linux<span>4</span></a></li> 56 57 58 <li class="tag tag-mirror"><a href="/tags/#mirror">mirror<span>1</span></a></li> 59 60 61 <li class="tag tag-github"><a href="/tags/#github">github<span>2</span></a></li> 62 63 <br/> 64 65 </ul> 66 </header> 67 68 69 70 71 72 <p>I’m running a gitolite <em>instance</em> on my personal server to manage my repositories 73 (personnal, private or public) ; and I am quickly going to share with you how I 74 setup a <em>quick and dirty</em> mirror feature.</p> 75 76 <p>First, I am using <strong>gitolite 3</strong>. The mirroring we are going to setup is not the 77 <em>supported</em> <a href="http://sitaramc.github.com/gitolite/mirroring.html">mirroring <strong>built-in</strong></a>. 78 We are going to implement a simplier way to set mirror thing :</p> 79 80 <ol> 81 <li>Write a custom gitolite command ; the idea is to be able to write <code>git-config</code> 82 stuff.</li> 83 <li>Write a hook that take a specific <code>git-config</code> (let say <code>mirror.url</code>) and do 84 a simple mirroring.</li> 85 </ol> 86 87 <h1 id="gitolite-commands">Gitolite commands</h1> 88 89 <p>Gitolite 3 has been rewritten to be more flexible : <a href="http://sitaramc.github.com/gitolite/g3why.html">Why a completely new version</a>. 90 The rewrite made it really easy to extend gitolite. <del>I’ve fork <a href="https://github.com/vdemeester/gitolite">gitolite</a> on github</del> 91 I’ve created a <a href="http://github.com/vdemeester/vdemeester-gitolite-local-code">repository git</a> 92 to easily add commands to my gitolite instance via <em>local code</em>. The gitolite command I wrote is 93 a quick and dirty script in shell to add <code>git config</code>. The source should speek 94 for itself ; It <em>should</em> include some way to check if the given config is not 95 already present in the <code>gitolite-admin</code> configuration file — and so might be 96 rewritten in <code>Perl</code>.</p> 97 98 <p>The command is <code>write-git-config</code> because a <code>git-config</code> command already exists 99 in the built-in commands.</p> 100 101 <div class="highlight"><pre class="chroma"><code class="language-bash" data-lang="bash"><span class="cp">#!/bin/sh 102 </span><span class="cp"></span> 103 <span class="c1"># Usage: ssh git@host write-git-config <repo> <key> <value></span> 104 # 105 <span class="c1"># Set git-config value for user-created ("wild") repo.</span> 106 107 die<span class="o">()</span> <span class="o">{</span> <span class="nb">echo</span> <span class="s2">"</span><span class="nv">$@</span><span class="s2">"</span> ><span class="p">&</span><span class="m">2</span><span class="p">;</span> <span class="nb">exit</span> <span class="m">1</span><span class="p">;</span> <span class="o">}</span> 108 usage<span class="o">()</span> <span class="o">{</span> perl -lne <span class="s1">'print substr($_, 2) if /^# Usage/../^$/'</span> < <span class="nv">$0</span><span class="p">;</span> <span class="nb">exit</span> <span class="m">1</span><span class="p">;</span> <span class="o">}</span> 109 <span class="o">[</span> -z <span class="s2">"</span><span class="nv">$1</span><span class="s2">"</span> <span class="o">]</span> <span class="o">&&</span> <span class="o">[</span> -z <span class="s2">"</span><span class="nv">$2</span><span class="s2">"</span> <span class="o">]</span> <span class="o">&&</span> <span class="o">[</span> -z <span class="s2">"</span><span class="nv">$3</span><span class="s2">"</span> <span class="o">]</span> <span class="o">&&</span> usage 110 <span class="o">[</span> <span class="s2">"</span><span class="nv">$1</span><span class="s2">"</span> <span class="o">=</span> <span class="s2">"-h"</span> <span class="o">]</span> <span class="o">&&</span> usage 111 <span class="o">[</span> -z <span class="s2">"</span><span class="nv">$GL_USER</span><span class="s2">"</span> <span class="o">]</span> <span class="o">&&</span> die GL_USER not <span class="nb">set</span> 112 113 <span class="c1"># ----------------------------------------------------------------------</span> 114 <span class="nv">repo</span><span class="o">=</span><span class="nv">$1</span><span class="p">;</span> <span class="nb">shift</span> 115 <span class="nv">key</span><span class="o">=</span><span class="nv">$1</span><span class="p">;</span> <span class="nb">shift</span> 116 <span class="nv">value</span><span class="o">=</span><span class="nv">$1</span><span class="p">;</span> <span class="nb">shift</span> 117 118 <span class="c1"># this shell script takes arguments that are completely under the user's</span> 119 <span class="c1"># control, so make sure you quote those suckers!</span> 120 121 <span class="k">if</span> gitolite query-rc -q WRITER_CAN_UPDATE_DESC 122 <span class="k">then</span> 123 gitolite access -q <span class="s2">"</span><span class="nv">$repo</span><span class="s2">"</span> <span class="nv">$GL_USER</span> W any <span class="o">||</span> die You are not authorised 124 <span class="k">else</span> 125 gitolite creator <span class="s2">"</span><span class="nv">$repo</span><span class="s2">"</span> <span class="nv">$GL_USER</span> <span class="o">||</span> die You are not authorised 126 <span class="k">fi</span> 127 128 <span class="c1"># if it passes, $repo is a valid repo name so it is known to contain only sane</span> 129 <span class="c1"># characters. This is because 'gitolite creator' return true only if there</span> 130 <span class="c1"># *is* a repo of that name and it has a gl-creator file that contains the same</span> 131 <span class="c1"># text as $GL_USER.</span> 132 133 <span class="nv">configfile</span><span class="o">=</span><span class="sb">`</span>gitolite query-rc GL_REPO_BASE<span class="sb">`</span>/<span class="s2">"</span><span class="nv">$repo</span><span class="s2">"</span>.git/config 134 135 git config --file <span class="s2">"</span><span class="nv">$configfile</span><span class="s2">"</span> <span class="s2">"</span><span class="nv">$key</span><span class="s2">"</span> <span class="s2">"</span><span class="nv">$value</span><span class="s2">"</span></code></pre></div> 136 137 <h1 id="gitolite-hooks">Gitolite hooks</h1> 138 139 <p>The next step is to write a quick <code>post-receive</code> hook that check if there is a 140 certain <code>git-config</code> entry and run <code>git push --mirror</code>. The file is in 141 <code>$HOME/.gitolite/hooks/common/post-receive</code> ; you could add a better system to 142 hooks (to be able to add “dynamic” hooks, …).</p> 143 144 <div class="highlight"><pre class="chroma"><code class="language-bash" data-lang="bash"><span class="cp">#!/bin/sh 145 </span><span class="cp"></span> 146 <span class="c1"># Simple gitolite mirroring</span> 147 148 <span class="c1"># flush STDIN coming from git, because gitolite's own post-receive.mirrorpush</span> 149 <span class="c1"># script does the same thing</span> 150 <span class="o">[</span> -t <span class="m">0</span> <span class="o">]</span> <span class="o">||</span> cat >/dev/null 151 152 <span class="o">[</span> -z <span class="s2">"</span><span class="nv">$GL_REPO</span><span class="s2">"</span> <span class="o">]</span> <span class="o">&&</span> die GL_REPO not <span class="nb">set</span> 153 154 <span class="nv">target</span><span class="o">=</span><span class="sb">`</span>git config --get mirror.url<span class="sb">`</span> 155 <span class="o">[</span> -z <span class="s2">"</span><span class="nv">$target</span><span class="s2">"</span> <span class="o">]</span> <span class="o">&&</span> <span class="nb">exit</span> <span class="m">0</span> 156 157 <span class="c1"># Support a REPO variable for wildcard mirrors</span> 158 <span class="nv">gl_repo_escaped</span><span class="o">=</span><span class="k">$(</span><span class="nb">echo</span> <span class="nv">$GL_REPO</span> <span class="p">|</span> sed <span class="s1">'s/\//\\\//g'</span><span class="k">)</span> 159 <span class="nv">target</span><span class="o">=</span><span class="k">$(</span><span class="nb">echo</span> <span class="nv">$target</span> <span class="p">|</span> sed -e <span class="s2">"s/REPO/</span><span class="nv">$gl_repo_escaped</span><span class="s2">/g"</span><span class="k">)</span> 160 161 <span class="c1"># Do the mirror push</span> 162 git push --mirror <span class="nv">$target</span></code></pre></div> 163 164 <p>The next, and final step is to run <code>gitolite compile</code> to update links to hooks 165 for every repositories.</p> 166 167 <h1 id="for-real">For real</h1> 168 169 <p>And finaly, this is the final step you’ll do.</p> 170 171 <pre><code>$ ssh git@host write-git-config vincent/vcsh-home mirror.url git@github.com:vdemeester/vcsh-home.git 172 $ git push 173 Counting objects: 5, done. 174 Delta compression using up to 2 threads. 175 Compressing objects: 100% (3/3), done. 176 Writing objects: 100% (3/3), 294 bytes, done. 177 Total 3 (delta 2), reused 0 (delta 0) 178 remote: To git@github.com:vdemeester/vcsh-home.git 179 remote: 65681a8..701c990 master -> master 180 To git@host:vincent/vcsh-home.git 181 65681a8..701c990 master -> master 182 </code></pre> 183 184 <p>And that should be it !</p> 185 186 <p><strong>Update 2012/10/04</strong> : Moved from gitolite fork to <em>gitolite local code</em> 187 repository.</p> 188 189 190 </article> 191 <hr /> 192 <div class="prev-next"> 193 194 <a class="paging-link prev" href="/posts/2012-05-13-jekyll-foreman-guard-bundler/" title="Jekyll Forman Guard Bundler">← Previous post</a> 195 196 197 198 <a class="paging-link next" href="/posts/2012-05-07-reinit-and-jekyll/" title="Reinit and Jekyll">Next post →</a> 199 200 </div> 201 202 </div> 203 </div> 204 205 <footer> 206 <nav> 207 208 <a href="/">home</a> 209 <span class="text-muted"> | </span> 210 211 <a href="/about">about</a> 212 <span class="text-muted"> | </span> 213 214 <a href="/archive">archive</a> 215 <span class="text-muted"> | </span> 216 217 <a href="/categories">categories</a> 218 <span class="text-muted"> | </span> 219 220 <a href="/tags">tags</a> 221 <span class="text-muted"> | </span> 222 223 <a href="https://twitter.com/vdemeest">twitter</a> 224 <span class="text-muted"> | </span> 225 226 <a href="https://github.com/vdemeester">github</a> 227 <span class="text-muted"> | </span> 228 229 <a href="https://vincent.demeester.fr/index.xml">rss</a> 230 </nav> 231 <br/> 232 <address> 233 <span class="copyright"> 234 Content and design by Vincent Demeester 235 (<a rel="licence" href="http://creativecommons.org/licenses/by-nc-sa/3.0/">Some rights reserved</a>) 236 </span><br /> 237 <span class="engine"> 238 Powered by <a href="https://gohugo.io/">Hugo</a> and <a href="https://github.com/kaushalmodi/ox-hugo/">ox-hugo</a> 239 </span> 240 </address> 241 </footer> 242 </body> 243