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comparison.txt
author Thomas Arendsen Hein <thomas@intevation.de>
Wed, 15 Jun 2005 07:07:05 +0100
changeset 340 97a897d32dfc
parent 139 17e66e1a0382
child 1308 2073e5a71008
permissions -rw-r--r--
Handle the case where the current working copy is not based on a checkout. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Handle the case where the current working copy is not based on a checkout. Print 'unknown' in verbose mode and nothing otherwise. manifest hash: 5742c3c3a762b77ee1aeb62ed53b8f2d8e47a05d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFCr8WJW7P1GVgWeRoRAtNkAJ9Qea4u8GG8zdSk87qLApT88KMrgQCeO22w bJ12ieVHvLzc2NNAGV+zbeQ= =IYni -----END PGP SIGNATURE-----

                    Mercurial      git                     BK (*)
storage             revlog delta   compressed revisions    SCCS weave
storage naming      by filename    by revision hash        by filename
merge               file DAGs      changeset DAG           file DAGs?
consistency         SHA1           SHA1                    CRC
signable?           yes            yes                     no       

retrieve file tip   O(1)           O(1)                    O(revs)
add rev             O(1)           O(1)                    O(revs)
find prev file rev  O(1)           O(changesets)           O(revs)
annotate file       O(revs)        O(changesets)           O(revs)
find file changeset O(1)           O(changesets)           ?

checkout            O(files)       O(files)                O(revs)?
commit              O(changes)     O(changes)              ?
                    6 patches/s    6 patches/s             slow
diff working dir    O(changes)     O(changes)              ?
                    < 1s           < 1s                    ?
tree diff revs      O(changes)     O(changes)              ?
                    < 1s           < 1s                    ?
hardlink clone      O(files)       O(revisions)            O(files)

find remote csets   O(log new)     rsync: O(revisions)     ?
                                   git-http: O(changesets)
pull remote csets   O(patch)       O(modified files)       O(patch)

repo growth         O(patch)       O(revisions)            O(patch)
 kernel history     300M           3.5G?                   250M?
lines of code       2500           6500 (+ cogito)         ??

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