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[tmp]% bzr init foo

Created a standalone tree (format: 2a)                                                              

[tmp]% cd foo

[foo]% echo hello > hello.txt

[foo]% bzr grep hello hello.txt

bzr: ERROR: bzrlib.errors.NoSuchRevision: CHKInventoryRepository('file:///home/parthm/tmp/foo/.bzr/repository/') has no revision null:

 

*** Bazaar has encountered an internal error.  This probably indicates a

    bug in Bazaar.  You can help us fix it by filing a bug report at

        https://bugs.launchpad.net/bzr/+filebug

    attaching the crash file

        /home/parthm/.cache/crash/bzr-20100301053333-3950.crash

    and including a description of the problem.

 

    The crash file is plain text and you can inspect or edit it to remove

    private information.

[foo]%