1753     follow = opts.get('follow') or opts.get('follow_first')

  1753     follow = opts.get('follow') or opts.get('follow_first')

  1754     revs = _logrevs(repo, opts)

  1754     revs = _logrevs(repo, opts)

  1755     if not revs:

  1755     if not revs:

  1756         return []

  1756         return []

  1757     wanted = set()

  1757     wanted = set()

  1759     fncache = {}

  1760     fncache = {}

  1760     change = repo.changectx

  1761     change = repo.changectx

  1761 

  1762 

  1762     # First step is to fill wanted, the set of revisions that we want to yield.

  1763     # First step is to fill wanted, the set of revisions that we want to yield.

  1763     # When it does not induce extra cost, we also fill fncache for revisions in

  1764     # When it does not induce extra cost, we also fill fncache for revisions in

  1833                 wanted = wanted - [x]

  1834                 wanted = wanted - [x]

  1834 

  1835 

  1835     # Now that wanted is correctly initialized, we can iterate over the

  1836     # Now that wanted is correctly initialized, we can iterate over the

  1836     # revision range, yielding only revisions in wanted.

  1837     # revision range, yielding only revisions in wanted.

  1837     def iterate():

  1838     def iterate():

  1839             ff = _followfilter(repo, onlyfirst=opts.get('follow_first'))

  1840             ff = _followfilter(repo, onlyfirst=opts.get('follow_first'))

  1840             def want(rev):

  1841             def want(rev):

  1841                 return ff.match(rev) and rev in wanted

  1842                 return ff.match(rev) and rev in wanted

  1842         else:

  1843         else:

  1843             def want(rev):

  1844             def want(rev):