/brz/remove-bazaar

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  • Committer: John Arbash Meinel
  • Date: 2009-04-16 22:06:25 UTC
  • mto: This revision was merged to the branch mainline in revision 4323.
  • Revision ID: john@arbash-meinel.com-20090416220625-hejrugy3r5qwlut9
Restore the ability to handle None as a key.
We now use _null_key instead of None to indicate the end-of-refs.
This means we now check that _null_key isn't used as an actual key.
This slows us down from 7.1 => 7.3s or so.
Interestingly, the globals lookup of _null_key was faster than
node is self._lru (7.5s+). I was a bit surprised at that.

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Lines of Context:
notes/roundtripping.txt
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Bzr revision metadata that doesn't exist in git:
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 - revision ids
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 - revision properties
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 - ghost parents
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 - file ids
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  * git-sha+path -> fileid mapping
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refs/bzr/<revid> refs to be able to find Git revisions based on Bazaar revision
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ids.