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copied!<p>I'd recommend using the <a href="http://rtyley.github.com/bfg-repo-cleaner/" rel="nofollow">BFG Repo-Cleaner</a>, a simpler, faster alternative to <code>git-filter-branch</code> specifically designed for rewriting files from Git history. One way in which it makes your life easier here is that it actually handles <em>all</em> references by default (all tags, branches, etc) but it's also <a href="https://docs.google.com/spreadsheet/ccc?key=0AsR1d5Zpes8HdER3VGU1a3dOcmVHMmtzT2dsS2xNenc" rel="nofollow">10 - 50x</a> faster.</p> <p>You should carefully follow these steps here: <a href="http://rtyley.github.com/bfg-repo-cleaner/#usage" rel="nofollow">http://rtyley.github.com/bfg-repo-cleaner/#usage</a> - but the core bit is just this: download the <a href="http://rtyley.github.com/bfg-repo-cleaner/#download" rel="nofollow">BFG's jar</a> (requires Java 6 or above) and run this command:</p> <pre><code>$ java -jar bfg.jar --replace-text replacements.txt my-repo.git </code></pre> <p>The <code>replacements.txt</code> file should contain all the substitutions you want to do, in a format like this (one entry per line - note the comments shouldn't be included):</p> <pre class="lang-bsh prettyprint-override"><code>pa$$word # Replace literal string 'pa$$word' - with '***REMOVED***' by default Copyright Volte==>Copyright MegaCorp # Replace, specifiying replacement text regex:Copyright \w+==>Copyright MegaCorp # Replace, using a regex regex:Copyright (\d{4}) \w+==>Copyright $1 MegaCorp # Replace with reference </code></pre> <p>Your entire repository history will be scanned, and any non-binary files (under 1MB in size) will have the substitutions performed: any matching string (that isn't in your <em>latest</em> commit) will be replaced.</p>

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