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diff --git a/.html/git/scratch.html b/.html/git/scratch.html deleted file mode 100644 index ff1bdff..0000000 --- a/.html/git/scratch.html +++ /dev/null @@ -1,134 +0,0 @@ -<!DOCTYPE html> -<html> -<head> - <title> - The Codex » - Git Is Not Magic - </title> - - <link - rel='stylesheet' - type='text/css' - href='http://fonts.googleapis.com/css?family=Buenard:400,700&subset=latin,latin-ext'> - <link - rel="stylesheet" - type="text/css" - href="../media/css/reset.css"> - <link - rel="stylesheet" - type="text/css" - href="../media/css/grimoire.css"> -</head> -<body> - -<div id="shell"> - - <ol id="breadcrumbs"> - - <li class="crumb-0 not-last"> - - <a href="../">index</a> - - </li> - - <li class="crumb-1 not-last"> - - <a href="./">git</a> - - </li> - - <li class="crumb-2 last"> - - scratch - - </li> - - </ol> - - - - <div id="article"> - <h1 id="git-is-not-magic">Git Is Not Magic</h1> -<p>I'm bored. Let's make a git repository out of whole cloth.</p> -<p>Git repos are stored in .git:</p> -<pre><code>fakegit$ mkdir .git -</code></pre> -<p>They have a “symbolic ref” (which are text files, see <a href="http://jk.gs/git-symbolic-ref.html"><code>man -git-symbolic-ref</code></a>) named <code>HEAD</code>, pointing -to the currently checked-out branch. Let's use <code>master</code>. Branches are refs -under <code>refs/heads</code> (see <a href="http://jk.gs/git-branch.html"><code>man git-branch</code></a>):</p> -<pre><code>fakegit ((unknown))$ echo 'ref: refs/heads/master' > .git/HEAD -</code></pre> -<p>The have an object database and a refs database, both of which are simple -directories (see <a href="http://jk.gs/gitrepository-layout.html"><code>man -gitrepository-layout</code></a> and <a href="http://jk.gs/gitrevisions.html"><code>man -gitrevisions</code></a>). Let's also enable the reflog, -because it's a great safety net if you use history-editing tools in git:</p> -<pre><code>fakegit ((ref: re...))$ mkdir .git/refs .git/objects .git/logs -fakegit (master #)$ -</code></pre> -<p>Now <code>__git_ps1</code>, at least, is convinced that we have a working git repository. -Does it work?</p> -<pre><code>fakegit (master #)$ echo 'Hello, world!' > hello.txt -fakegit (master #)$ git add hello.txt -fakegit (master #)$ git commit -m 'Initial commit' -[master (root-commit) 975307b] Initial commit -1 file changed, 1 insertion(+) -create mode 100644 hello.txt - -fakegit (master)$ git log -commit 975307ba0485bff92e295e3379a952aff013c688 -Author: Owen Jacobson <owen.jacobson@grimoire.ca> -Date: Wed Feb 6 10:07:07 2013 -0500 - - Initial commit -</code></pre> -<p><a href="https://www.youtube.com/watch?v=3VwVpaWUu30">Eeyup</a>.</p> -<hr> -<p>Should you do this? <strong>Of course not.</strong> Anywhere you could run these commands, -you could instead run <code>git init</code> or <code>git clone</code>, which set up a number of -other structures, including <code>.git/config</code> and any unusual permissions options. -The key part here is that a directory's identity as “a git repository” is -entirely a function of its contents, not of having been blessed into being by -<code>git</code> itself.</p> -<p>You can infer a lot from this: for example, you can infer that it's “safe” to -move git repositories around using FS tools, or to back them up with the same -tools, for example. This is not as obvious to everyone as you might hope; people </p> - </div> - - - -<div id="comments"> -<div id="disqus_thread"></div> -<script type="text/javascript"> - /* * * CONFIGURATION VARIABLES: EDIT BEFORE PASTING INTO YOUR WEBPAGE * * */ - var disqus_shortname = 'grimoire'; // required: replace example with your forum shortname - - /* * * DON'T EDIT BELOW THIS LINE * * */ - (function() { - var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true; - dsq.src = 'http://' + disqus_shortname + '.disqus.com/embed.js'; - (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq); - })(); -</script> -<noscript>Please enable JavaScript to view the <a href="http://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript> -<a href="http://disqus.com" class="dsq-brlink">comments powered by <span class="logo-disqus">Disqus</span></a> -</div> - - - - <div id="footer"> - <p> - - The Codex — - - Powered by <a href="http://markdoc.org/">Markdoc</a>. - -<a href="https://bitbucket.org/ojacobson/grimoire.ca/src/master/wiki/git/scratch.md">See this page on Bitbucket</a> (<a href="https://bitbucket.org/ojacobson/grimoire.ca/history-node/master/wiki/git/scratch.md">history</a>). - - </p> - </div> - -</div> -</body> -</html>
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