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List:       subversion-issues
Subject:    [Issue 4565] New - reverse blame, aka kidney blame
From:       julianfoad () tigris ! org
Date:       2015-02-20 15:48:50
Message-ID: iz4565 () subversion ! tigris ! org
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http://subversion.tigris.org/issues/show_bug.cgi?id=4565
                 Issue #|4565
                 Summary|reverse blame, aka kidney blame
               Component|subversion
                 Version|1.8.x
                Platform|All
                     URL|
              OS/Version|All
                  Status|NEW
       Status whiteboard|
                Keywords|
              Resolution|
              Issue type|ENHANCEMENT
                Priority|P3
            Subcomponent|cmdline client
             Assigned to|issues@subversion
             Reported by|julianfoad






------- Additional comments from julianfoad@tigris.org Fri Feb 20 07:48:50 -0800 2015 \
------- A normal 'blame' shows when (and by whom) each line was *last* changed \
*before* the version being annotated.

Proposed enhancement: show when (and by whom) each line was *next* changed
*after* the version being annotated.

I seem to recall that the code-name 'kidney blame' came from Daniel Shahaf
selecting a random word that is not already used to describe something in
Subversion. Adjectives such as 'forward' and 'reverse' are ambiguous both in
describing the meaning of the original blame, and because they are separately
used in reference to the direction in which the blame code internally scans
revisions, which is independent of the result it generates.

This enhancement was discussed in the email thread "Kidney blame's behaviour and
edge cases" starting on 2013-06-13, archived at e.g.
http://mail-archives.apache.org/mod_mbox/subversion-dev/201306.mbox/%3C20130613083546.GA2773@tarsus.local2%3E
 and http://svn.haxx.se/dev/archive-2013-06/0230.shtml

It was initially implemented in http://svn.apache.org/r1493027 .

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