Re: git fast-export/import bug with -M -C

From: Juraj Oršulić <juraj.orsulic@fer.hr>
Date: Sep 20, 2017, 16:55 UTC
Message-ID: <CAEPqvowWEdFdJoyqsmBt7KRU8xWyuLnFwV7CJ7zH2QRa2AQCtg@mail.gmail.com>
In-Reply-To: <CAEPqvoyVJFe2EOvhnZD4vdF=1-VuoZrMP92TeGJ2WAE0X+B5Tw@mail.gmail.com>

Hi, did anyone manage to take a look at this bug? Friendly ping.

Juraj

On Fri, Sep 15, 2017 at 12:01 AM, Juraj Oršulić <juraj.orsulic@fer.hr> wrote:

Show 15 quoted lines

> The commands should be self explanatory. 0.2.0~20 is the first commit
> where the reconstructed repository diverges, that commit had a
> simultaneous copy and edit of one file. It seems that copy/rename
> detection, enabled with -M -C is confused by this. I reproduced it
> with git 2.14 next @ 8fa685d.
>
> git clone https://github.com/googlecartographer/cartographer_ros
> mkdir copy && cd copy && git init
> (cd ../cartographer_ros; git fast-export --all --date-order -M -C) |
> git fast-import
> git rev-parse 0.2.0~20 #2237e1d0a974977fbcb0737dd1fb5876a2b8e29d
> git rev-parse 0.2.0~21 #cd1276a99ccffcc491d0b2e50296ec04347ba5f2
> cd ../cartographer_ros
> git rev-parse 0.2.0~20 #9d5b221ed41783b15c84bc90b71527194b8d9a49
> git rev-parse 0.2.0~21 #cd1276a99ccffcc491d0b2e50296ec04347ba5f2