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scm: git: brush up model fetch_changesets() comment. 

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5858 e93f8b46-1217-0410-a6f0-8f06a7374b81
This commit is contained in:
Toshi MARUYAMA 2011-05-19 22:58:38 +00:00
parent 27a491766f
commit f1f4362b50
1 changed files with 6 additions and 5 deletions
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11
app/models/repository/git.rb
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@ -89,18 +89,19 @@ class Repository::Git < Repository
end
# In Git and Mercurial, revisions are not in date order.
# Mercurial fixed issues.
# Redmine Mercurial fixed issues.
# * Redmine Takes Too Long On Large Mercurial Repository
# http://www.redmine.org/issues/3449
# * Sorting for changesets might go wrong on Mercurial repos
# http://www.redmine.org/issues/3567
#
# Database revision column is text, so Redmine can not sort by revision.
# Mercurial has revision number, and revision number guarantees revision order.
# Mercurial adapter uses "hg log -r 0:tip --limit 10"
# to get limited revisions from old to new.
# And Mercurial model stored revisions ordered by database id in database.
# So, Mercurial can use correct order revisions.
# Redmine Mercurial model stored revisions ordered by database id to database.
# So, Redmine Mercurial model can use correct ordering revisions.
#
# Redmine Mercurial adapter uses "hg log -r 0:tip --limit 10"
# to get limited revisions from old to new.
# But, Git 1.7.3.4 does not support --reverse with -n or --skip.
#
# The repository can still be fully reloaded by calling #clear_changesets