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As such, it’s "reasonably stable", but at the same time also reasonably unique, i.e., two patches that have the same "patch ID" are almost guaranteed to be the same thing.</p></div> <div class="paragraph"><p>IOW, you can use this thing to look for likely duplicate commits.</p></div> <div class="paragraph"><p>When dealing with <em>git diff-tree</em> output, it takes advantage of the fact that the patch is prefixed with the object name of the commit, and outputs two 40-byte hexadecimal strings. The first string is the patch ID, and the second string is the commit ID. This can be used to make a mapping from patch ID to commit ID.</p></div> </div> </div> <div class="sect1"> <h2 id="_options">OPTIONS</h2> <div class="sectionbody"> <div class="dlist"><dl> <dt class="hdlist1"> <patch> </dt> <dd> <p> The diff to create the ID of. </p> </dd> </dl></div> </div> </div> <div class="sect1"> <h2 id="_git">GIT</h2> <div class="sectionbody"> <div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div> </div> </div> </div> <div id="footnotes"><hr /></div> <div id="footer"> <div id="footer-text"> Last updated 2013-06-10 20:01:55 UTC </div> </div> </body> </html>