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Re:Gitjk – command to undo what you just did in git by lunixbochs on Monday May 26, 2014 @04:30PM (#7801465)
If anyone wants a fish function:

    function jk
        history | head -n+10 | tail -r | gitjk_cmd
    end
Maybe git full undo via automatic snapshotting (branch/stash)? It's fine unless you hit a perf wall on huge repos.

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