Re: Clarifying "invalid tag signature file" error message from git filter-branch (and others)

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"James Youngman" <jay@xxxxxxx> wrote:
> On Thu, Dec 11, 2008 at 11:13 PM, Brandon Casey <casey@xxxxxxxxxxxxxxx> wrote:
>
>>> Before conversion:
>>> $ git cat-file tag FINDUTILS-4_1-10
>>> object ce25eb352de8dc53a9a7805ba9efc1c9215d28c2
>>> type commit
>>> tag FINDUTILS-4_1-10
>>> tagger Kevin Dalley
>>
>> The tagger field is missing an email address, a timestamp, and a timezone. It
>> should look something like:
>>
>>  tagger Kevin Dalley <kevin.dalley@xxxxxxxxxxxxx> 1229036026 -0800
>>
>> git-mktag prevents improperly formatted tags from being created by checking
>> that these fields exist and are well formed.
>>
>> If you know the correct values for the missing fields, then you could
>
> Yes for the email address.      But as for the timestamp, it's not in
> the tag file; that only contains the sha1.
> There is a timestamp in the object being tagged, is that the timestamp
> you are talking about?
>
> $ git show --pretty=raw  ce25eb352de8dc53a9a7805ba9efc1c9215d28c2
> commit ce25eb352de8dc53a9a7805ba9efc1c9215d28c2
> tree 752cca144d39bc55d05fbe304752b274ba22641c
> parent 9a998755249b0c8c47e8657cff712fa506aa30fc
> author Kevin Dalley <kevin@xxxxxxxx> 830638152 +0000
> committer Kevin Dalley <kevin@xxxxxxxx> 830638152 +0000
>
>     *** empty log message ***
>
> diff --git a/debian.Changelog b/debian.Changelog
> index e3541eb..d0cd295 100644
> --- a/debian.Changelog
> +++ b/debian.Changelog
> @@ -1,5 +1,7 @@
>  Sat Apr 27 12:29:06 1996  Kevin Dalley
> <kevin@xxxxxxxxxxxxxxxxxxxxxxx (Kevin Dalley)>
>
> +       * find.info, find.info-1, find.info-2: updated to match find.texi
> +
>         * debian.rules (debian): update debian revision to 10
>
>         * getline.c (getstr): verify that nchars_avail is *really* greater
>
>
>
>
>
>> recreate the tags before doing the filter-branch. If they are unknown, it
>> seems valid enough to use the values from the commit that the tag points
>> to.
>>
>> i.e.
>>
>>  tagger Kevin Dalley <kevin@xxxxxxxx> 830638152 -0000
>>
>> What tool was used to convert this repository to git? It should be corrected
>> to produce valid annotated tags. Especially if it is a tool within git.
>
> I don't know, Jim Meyering will know though, so I CC'ed him.

I used parsecvs, probably with git-master from the date of
the initial conversion (check the archives for actual date).
That was long enough ago that it was almost certainly before
git-mktag learned to be more strict about its inputs.

James, since you're about to rewrite the history, you may want to
start that process from a freshly-cvs-to-git-converted repository.

I'm not very happy about using cvsparse (considering it's not
really being maintained, afaik), so if the git crowd
can recommend something better, I'm all ears.
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