view comparison.txt @ 612:9cd745437269

On Sat, Jul 02, 2005 at 02:11:34PM -0700, Matt Mackall wrote: # HG changeset patch # User Alecs King <alecsk@gmail.com> On Sat, Jul 02, 2005 at 02:11:34PM -0700, Matt Mackall wrote: > On Sun, Jul 03, 2005 at 12:49:27AM +0800, Alecs King wrote: > > Hg is really very nice. The only feature i miss from git is the > > whatchanged -p, which shows a diff along with a changeset. > > python before, i just dig into the mercurial/commands.py a while and > > see what diff(), dodiff(), export(), show_changeset(), log() would > > normally do. There might be one thing or two missed or wrong. But here > > it is: a '-d' option to 'hg log' showing the diff info. You can use 'hg > > log -d' to show the whole history with the diff or 'hg log -d <file>' to > > show that info of a particular file. And also works with the '-r' > > option. > > Let's use -p. We're going to be combining the global and per command > switch namespace shortly and the global -p will disappear. Okay. '-d' changed to '-p'. Just like 'whatchanged -p', now we have 'hg log -p'. > Also, the argument list for show_changeset is getting a bit unwieldy. This time i remain show_changeset untouched at all. Only changed some bits of log().
author Alecs King <alecsk@gmail.com>
date Mon, 04 Jul 2005 12:15:44 -0800
parents 17e66e1a0382
children 2073e5a71008
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                    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