Re: Bug when stashing previously-ignored file plus associated .gitignore change

[Sam Partington <sam@whiteoctober.co.uk>]

Hello Kevin,

Yes, you're right - I didn't commit the change to the .gitignore file,
so that addition is also being stashed.

Thanks
Sam
Sam Partington
Senior Developer



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On 14 August 2017 at 05:47, Kevin Daudt <me@ikke.info> wrote:
> On Fri, Aug 11, 2017 at 04:55:38PM +0100, Sam Partington wrote:
>> Hi there,
>>
>> I'm running git 2.7.4 on Ubuntu 16.04.  I've found a couple of
>> problems when "un-ignoring" files in tandem with git stash.
>>
>> Here's how to reproduce:
>>
>> Say you have a project using git, with a .gitignore file which
>> contains the following line:
>>
>> bin/*
>>
>> You can then see the problems by doing this:
>>
>> $ touch bin/mynewfile # this file will be ignored at this point >
>> and then updating .gitignore to look like this (adding that second line):
>>
>> bin/*
>> !bin/mynewfile
>>
>> So far, so good; the new file is no longer ignored.
>>
>> But now, try stashing the changes and including untracked files in the stash:
>>
>> $ git stash save -u
>>
>> Here's the first problem, bin/mynewfile is still there:
>>
>> $ ls bin/mynewfile
>> bin/mynewfile
>>
>> But you'd expect it to not be there and be in the stash, I think.
>> This is what would normally happen with the untracked-files option for
>> git stash.
>>
>> This leads to the second problem - you can't now pop the stash:
>>
>> $ git stash pop
>> bin/mynewfile already exists, no checkout
>> Could not restore untracked files from stash
>>
>> If you want to apply the stash, you have to remove the file:
>>
>> $ rm bin/mynewfile
>> $ git stash pop # this works, and re-creates bin/mynewfile
>>
>> This is quite an unusual edge case, but I have hit it two or three
>> times now and so thought it worth reporting, but I'll understand if
>> it's deemed not worth fixing!
>>
>> Do let me know if you need any more information from me here.
>>
>> Thanks
>> Sam
>>
>> PS Sorry for the lack of formatting - I'm sending this as plain text
>> as my original HTML emails was rejected as possible spam by your
>> mailserver.
>>
>> Sam Partington
>> Senior Developer
>>
>
> Hello Sam,
>
> Is it the case that you did not commit the addition of '!bin/mynewfile'
> yet? I suspect that by running git stash save -u, you also are stashing
> this addition to the .gitigore file. Can you confirm this?
>
> Kevin