On 31 May 2013 09:46, Thomas Rast <tr...@inf.ethz.ch> wrote:
> Alex Bennée <kernel-hac...@bennee.com> writes:
>
>> I think you are right. I was brave (well I assumed the tags would come
>> back from the upstream repo) and ran:
>>
>> git for-each-ref | grep "refs/tags" | grep "commit" | cut -d '/' -f 3
>> | xargs git tag -d
>
> So that deleted all unannotated tags pointing at commits, and then it
> was fast. Curious.
>
>> However I have some big commits it seems:
>>
>> 09:37 ajb@sloy/x86_64 [work.git] >(git for-each-ref | grep ' commit' |
>> cut -d\ -f1 | xargs -n1 git cat-file commit) | wc -c
>> 1147231984
>
> How many unique entries are there in that list, i.e., what does
>
> git for-each-ref | grep ' commit' | cut -d\ -f1 | sort -u | wc -l
09:49 ajb@sloy/x86_64 [work.git] >git for-each-ref | grep ' commit' |
cut -d\ -f1 | sort -u | wc -l
1508
> say? Perhaps you can also find the biggest commit, e.g. like so:
>
> git for-each-ref | grep ' commit' | cut -d\ -f1 |
> while read sha; do git cat-file commit $sha | wc -c; done |
> sort -n
Yeah there is a range from a few hundred bytes to a large number of 3M
commits. I guess I need to identify which commits they are and remove
the tags or convert them to annotated reference tags.
> However, if that turns out to be the culprit, it's not fixable
> currently[1]. Having commits with insanely long messages is just, well,
> insane.
>
>
> [1] unless we do a major rework of the loading infrastructure, so that
> we can teach it to load only the beginning of a commit as long as we are
> only interested in parents and such
I'll do a bit of scripting to dig into the nature of these
uber-commits and try and work out how they cam about. I suspect they
are simply start of branch states in our broken and disparate history.
I'll get back to you once I've dug a little deeper.
>
> --
> Thomas Rast
> trast@{inf,student}.ethz.ch
--
Alex, homepage: http://www.bennee.com/~alex/
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