right. it was trying to fetch the class comment from the now missing 
source file. I just gave it a fallback much like methods dropping back 
to t1 t2 t3 when local names are not available.

Cheers,
Bob

On 3/15/13 7:28 AM, Frank Shearar wrote:
> On 15 March 2013 11:19, Bob Arning <arning315 at comcast.net> wrote:
>> Not sure what sort of failures you are seeing, but I tried to replicate
>> anyway. I deleted the changes file, started the image, OK'd the warning and
>> filed out a recently-added class. I got one walkback which I fixed with:
>>
>> 'From Squeak4.4 of 1 March 2013 [latest update: #12489] on 15 March 2013 at
>> 7:14:23 am'!
>>
>> !BasicClassOrganizer methodsFor: 'fileIn/Out'!
>> fileOutCommentOn: t1 moveSource: t2 toFile: t3
>>      | t4 |
>>      classComment
>>          ifNotNil: [t1 cr.
>>              t4 := RemoteString
>>                          newString: (classComment text ifNil: '**missing
>> comment**')
>>                          onFileNumber: t3
>>                          toFile: t1.
>>              t2
>>                  ifTrue: [classComment := t4]]! !
>>
>> Otherwise, the fileout seems fine.
> OK, that looks like the same walkback I saw. To be clear, it looks
> like you turned `classComment text` into `classComment text ifNil:
> '**missing comment**'` ?
>
> frank
>
>> Cheers,
>> Bob
>>
>> On 3/15/13 6:10 AM, Frank Shearar wrote:
>>
>> So I freely confess: I should not have deleted the directory from
>> which I was running an image. When I saved the image, the image still
>> worked, but of course its changes file was broken.
>>
>> I now have a few tens of hours of work in an image that I need to
>> extract only the following techniques all fail:
>> * filing out the class
>> * making a new changeset and filing that out
>> * saving the package through MC
>> * deleting the corrupted changes file
>>
>> So one option that I don't particularly want to do is to open a new
>> image and hand cut-n-paste (via emacs, because on Linux the line
>> endings get messed up copying between Squeak images directly), method
>> by method, the source.
>>
>> Is there an easier way of recovering from this mess?
>>
>> frank
>>
>>
>>
>>
>>
>>
>

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