Author: julianfoad
Date: Thu Oct 13 07:46:50 2011
New Revision: 1182707
URL: http://svn.apache.org/viewvc?rev=1182707&view=rev
Log:
On the 'tree-read-api' branch: More notes in BRANCH-README.
Modified:
subversion/branches/tree-read-api/BRANCH-README
Modified: subversion/branches/tree-read-api/BRANCH-README
URL:
http://svn.apache.org/viewvc/subversion/branches/tree-read-api/BRANCH-README?rev=1182707&r1=1182706&r2=1182707&view=diff
==============================================================================
--- subversion/branches/tree-read-api/BRANCH-README (original)
+++ subversion/branches/tree-read-api/BRANCH-README Thu Oct 13 07:46:50 2011
@@ -14,9 +14,13 @@ libsvn_client code to be simplified and
more easily.
Then a more interesting stage: we should be able to write e.g. a 'diff'
-routine that compares two arbitrary trees - e.g. in r100 in repo A against
+routine that compares two arbitrary trees, such as r100 in repo A against
r100 in repo B, or the unversioned tree '/tmp/saved-tests' against the WC tree
-'wc/subversion/tests'.
+'wc/subversion/tests'. Diffing large unrelated trees byte-by-byte is
+inherently expensive compared with Subversion's present diff methods, and we
+might want to consider ways to shortcut the full comparison such as by
+comparing checksums, but even without optimization, at least such diffs
+become possible and can be much faster than a manual process.
At the time of this writing, the API is in subversion/libsvn_client/tree.h,
but I expect to move it.
