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comparison.txt
author Sean Meiners <sean.meiners@linspire.com>
Fri, 30 Jun 2006 19:24:02 -0700
changeset 2549 e1831f06eef1
parent 1308 2073e5a71008
permissions -rw-r--r--
Added ability to clone from a local repository to a (new) remote one. Rearranged the clone command a good bit to make sure it validates that the source does exist and that the destination doesn't before doing anything. Before I moved the source repo check it would create the destination repository before it verified the source existed. Moved the responsibility for creating the destination repo root directory entirly into the localrepo class so that local to local cloning doesn't break. This also simplifies the code a bit since it's no longer being done in both clone and init. Changed the names of the 'repo' and 'other' variables to 'dest_repo' and 'src_repo' to maintain my sanity. Passes 82/83 tests. The only failure is the version number test, which I suspect is supposed to fail since it comes from a generated file.
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2ab801e0ea9f A quick set of comparisons between hg, git, and bk
mpm@selenic.com
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                    Mercurial      git                     BK (*)
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storage             revlog delta   compressed revisions    SCCS weave
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17e66e1a0382 Minor updates to comparison
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storage naming      by filename    by revision hash        by filename
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merge               file DAGs      changeset DAG           file DAGs?
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consistency         SHA1           SHA1                    CRC
1308
2073e5a71008 Cleanup of tabs and trailing spaces.
Thomas Arendsen Hein <thomas@intevation.de>
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signable?           yes            yes                     no
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retrieve file tip   O(1)           O(1)                    O(revs)













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add rev             O(1)           O(1)                    O(revs)













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find prev file rev  O(1)           O(changesets)           O(revs)








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annotate file       O(revs)        O(changesets)           O(revs)








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find file changeset O(1)           O(changesets)           ?













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checkout            O(files)       O(files)                O(revs)?













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commit              O(changes)     O(changes)              ?













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                    6 patches/s    6 patches/s             slow













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diff working dir    O(changes)     O(changes)              ?













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                    < 1s           < 1s                    ?













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tree diff revs      O(changes)     O(changes)              ?













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                    < 1s           < 1s                    ?








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hardlink clone      O(files)       O(revisions)            O(files)













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find remote csets   O(log new)     rsync: O(revisions)     ?













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                                   git-http: O(changesets)








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pull remote csets   O(patch)       O(modified files)       O(patch)








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repo growth         O(patch)       O(revisions)            O(patch)








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 kernel history     300M           3.5G?                   250M?








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A quick set of comparisons between hg, git, and bk



mpm@selenic.com


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lines of code       2500           6500 (+ cogito)         ??













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A quick set of comparisons between hg, git, and bk



mpm@selenic.com


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A quick set of comparisons between hg, git, and bk



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* I've never used BK so this is just guesses















mercurial-crew-with-dirclash