comparison.txt
author Thomas Arendsen Hein <thomas@intevation.de>
Tue, 02 May 2006 18:44:02 +0200
changeset 2175 b2ae81a7df29
parent 1308 2073e5a71008
permissions -rw-r--r--
Make hg update more verbose by default (issue12) (including small changes to revert and backout to not show these stats with the exception of backout --merge) Show update stats (unless -q), e.g.: K files updated, L files merged, M files removed, N files unresolved Inform the user what to do after a merge: (branch merge, don't forget to commit) Inform the user what to do if a branch merge failed: There are unresolved merges, you can redo the full merge using: hg update -C X hg merge Y Inform the user what to do if a working directory merge failed: There are unresolved merges with locally modified files.

                    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