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I want to run an autocommand to restore cursor position after undoing with u. After reading the documentation for event, I cannot find a event that is specified for undoing. Which event should I be using?

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  • 2
    there does not exist one. You may be able to map the u key
    – Christian Brabandt
    May 8, 2021 at 16:17
  • There's no autocmd for undo. The way you would usually hook into the "undo" operation is by creating a mapping for the u key, so that it will trigger whatever code you'd like to run around that operation.
    – filbranden ♦
    May 8, 2021 at 16:17
  • 4
    Possible to create one with TextChanged + undotree()
    – Mass
    May 8, 2021 at 16:24

1 Answer 1

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Based on @Mass's comment, you might be able to get started with

augroup whatever
  autocmd!
  autocmd TextChanged * call F()
augroup END

function F() abort
  const undotree = undotree()
  if undotree.seq_cur is# undotree.seq_last
    " no undos
    return
  endif
  " your work here…
endfunction
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    This is awesome. Thanks
    – John Winston
    May 8, 2021 at 23:23

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