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POGit: How to Undo commit *and* revert to last branch
 

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    <p>Uh oh... I mistakenly committed a pretty complex change (including subdirectory and files renames) without really knowing what I am doing (or what Git would be doing).</p> <p>I now want to undo everything such that:</p> <ol> <li>commit is completely reversed (as if it has never been done, perhaps removing it from history as well)</li> <li>Restore current working directory (where <code>.git</code> is) to a certain branch (last one will do for now).</li> </ol> <p>I found references to <a href="https://stackoverflow.com/questions/927358/git-undo-last-commit/927386#927386">git reset --soft</a> and <a href="https://stackoverflow.com/questions/2923055/how-to-move-a-branch-backwards-in-git/2923142#2923142">git reset --hard</a> but I have already proven to myself that I can do real damage by prematurely using a command without fully understanding it. :)</p> <p>I found the <a href="http://git-scm.com/docs/git-reset" rel="nofollow noreferrer">git reset man page</a> but I am still confused as to:</p> <ol> <li>What is <code>HEAD</code>?</li> <li>What is the difference between <code>HEAD</code> and <code>* master</code>?</li> <li>In my situation (see above) do I need to use <code>--soft</code>, <code>--hard</code> or other (3 more options)?</li> <li>Do I need to run another command (after doing <code>git reset</code>) to "finalize" the reversal?</li> </ol> <p><strong>UPDATE:</strong> After reading the answer below:</p> <ol> <li>Do I understand correctly that all I need to do in my situation is issue a single command <code>git reset --hard HEAD^</code>?</li> <li>How do I verify that reversal was performed correctly?</li> </ol>
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    1. COSince you are learning git, let me recommend two books to you: [git community book](http://book.git-scm.com/index.html) and [pro git](http://progit.org/book/), which are both completely online.
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    2. CO@Shelhamer Thanks!
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