scm: mercurial: latest changesets support named branch (#7246).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5127 e93f8b46-1217-0410-a6f0-8f06a7374b81

scm: mercurial: latest changesets support named branch (#7246).
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5127 e93f8b46-1217-0410-a6f0-8f06a7374b81
43626232 · Toshi MARUYAMA · Eric Davis · 60745d7e · 43626232
Commit 43626232 authored Mar 14, 2011 by Toshi MARUYAMA Committed by Eric Davis Apr 16, 2011
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Showing with 11 additions and 2 deletions

mercurial.rb app/models/repository/mercurial.rb +11 -2

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--- a/app/models/repository/mercurial.rb
+++ b/app/models/repository/mercurial.rb
@@ -94,8 +94,17 @@ class Repository::Mercurial < Repository

  def latest_changesets_cond(path, rev, limit)
    cond, args = [], []
-
-    if last = rev ? find_changeset_by_name(scm.tagmap[rev] || rev) : nil
+    if scm.branchmap.member? rev
+      # Mercurial named branch is *stable* in each revision.
+      # So, named branch can be stored in database.
+      # Mercurial provides *bookmark* which is equivalent with git branch.
+      # But, bookmark is not implemented.
+      cond << "#{Changeset.table_name}.scmid IN (?)"
+      # Revisions in root directory and sub directory are not equal.
+      # So, in order to get correct limit, we need to get all revisions.
+      # But, it is very heavy.
+      args << scm.nodes_in_branch(rev, :limit => limit)
+    elsif last = rev ? find_changeset_by_name(scm.tagmap[rev] || rev) : nil
      cond << "#{Changeset.table_name}.id <= ?"
      args << last.id
    end