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HG: find where a deleted line was removed

I am looking for the mercurial equivalent of the solution to this question:

How do I "git blame" a deleted line?

In short, I am looking at a mercurial commit where a line was added, and in the current revision this line is no longer present, and I want to find when and why it was removed.

Solution

  • hg histgrep will let you search a change log for a pattern, such as a deleted string. If you are looking for more than just the first occurrence, be sure to include the --all flag. For me it looked something like this:

    hg histgrep --all -r 9876:tip "pattern" path/to/file

    Thanks to Anton for the helpful comments and krtek for his related answer.