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    <p>I don't believe there's anything built-in for this. It's made tricky by the fact that it's rare for a single line to change several times without the rest of the file changing substantially too, so you'll tend to end up with the line numbers changing a lot.</p> <p>If you're lucky enough that the line always has <em>some</em> identifying characteristic, e.g. an assignment to a variable whose name never changed, you could use the regex choice for <code>git blame -L</code>. For example:</p> <pre><code>git blame -L '/variable_name *= */',+1 </code></pre> <p>But this only finds the <em>first</em> match for that regex, so if you don't have a good way of matching the line, it's not too helpful.</p> <p>You could hack something up, I suppose. I don't have time to write out code just now, but... something along these lines. Run <code>git blame -n -L $n,$n $file</code>. The first field is the previous commit touched, and the second field is the line number in <em>that</em> commit, since it could've changed. Grab those, and run <code>git blame -n $n,$n $commit^ $file</code>, i.e. the same thing starting from the commit before the last time the file was changed.</p> <p>(Note that this will fail you if the last commit that changed the line was a merge commit. The primary way this could happen if the line was changed as part of a merge conflict resolution.)</p> <p>Edit: I happened across <a href="http://git.661346.n2.nabble.com/In-depth-git-blame-td6082521.html" rel="noreferrer">this mailing list post</a> from March 2011 today, which mentions that <code>tig</code> and <code>git gui</code> have a feature that will help you do this. It looks like the feature has been considered, but not finished, for git itself.</p>
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