[pology] Automatically setting PO header using set-header sieve when merging

[Chusslove Illich]

> [: Karl Ove Hufthammer :]
> But I can’t figure out what ‘* magic stuff *’ should be to properly run
> the ‘set-header’ sieve. Can anyone help?

There's no direct way to call the set-header sieve itself, but the same
operation can be performed easily enough by writing a short hook function:

  def normalize_header (hdr, cat):

      hdr.title[:] = ['Translation of %s to MyLangName' % cat.name, '']
      hdr.license = None
      hdr.copyright = None
      hdr.comment[:] = []
      return 0


  S.hook_on_merge_head.extend([
      (normalize_header,),
  ])

-- 
Chusslove Illich (Часлав Илић)
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