svn-bisect


SYNOPSIS
       svn-bisect start [good_rev [bad_rev]]

       svn-bisect {good|bad} [rev]

       svn-bisect run command

       svn-bisect reset

       svn-bisect status

DESCRIPTION
       svn-bisect helps to automate finding a bug or behavior change in a Sub-
       version working copy.  Given  an  initial  "good"  revision,  with  the
       desired  or  original  behavior,  and  a newer "bad" revision, with the
       undesired or modified behavior, svn-bisect  will  do  a  binary  search
       through the revision range to find which revision caused the change.

       svn-bisect  must  be  initialized  in  a  working copy, with svn-bisect
       start.  It also needs to be given at least one good revision (the base-
       line) and one bad revision (known modified behavior) revision.

       Sub-commands:

       start  Initializes  or  reinitializes svn-bisect; optionally takes good
              and bad revision parameters.

       good rev

       bad rev
              Tells svn-bisect that a revision is good  or  bad,  defining  or
              narrowing the search space.  If not specified, revision defaults
              to the current revision in the working  copy.   svn-bisect  will
              then  update  to a revision halfway between the new good and bad
              boundaries.  If this update crosses a point where a  branch  was
              created, it switches in or out of the branch.

       reset  Resets  the  working  copy  to  the  revision  and  branch where
              svn-bisect start was run.  In the simple case this is equivalent
              to  rm  -r  .svn-bisect;  svn  update, but not if it has crossed
              branches, and not if you did not start at the HEAD revision.  In
              any case, svn-bisect never keeps track of mixed-revision working
              copies, so do not use svn-bisect in a  working  copy  that  will
              need to be restored to mixed revisions.

       status Prints a brief status message.

       run command
              Runs  the  bisection  in  a loop.  You must have already defined
              initial  good  and  bad  boundary  conditions.   Each  iteration
              through the loop runs command as a shell command (a single argu-
              ment, quoted if necessary) on the chosen  revision,  then  marks
              the  revision  as  good or bad, based on the exit status of com-

FILES
       .svn-bisect
              The directory containing state information, removed after a suc-
              cessful bisection.

SEE ALSO
       git-bisect(1).

AUTHOR
       Written by Robert Millan and Peter Samuelson, for  the  Debian  Project
       (but may be used by others).



                                  2009-10-22                     SVN-BISECT(1)
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