Re: git bug: moved file with local unstaged changes are lost during merge

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On Thu, Apr 12, 2012 at 10:13:04AM -0600, Joe Angell wrote:

> Is this the right place to post bug reports?

It is. Thanks for including a concise test case with your bug report.

Unfortunately, the merge-recursive code is a mess, and has several known
buggy corner cases with renames. Elijah (cc'd) spent a lot of time
trying to sort these out a while ago, but there still some known
failures. t6042 and t6036 detect some of them. But I thought we managed
to clean up all of the overwriting bugs.

Original bug report is below.

-Peff

> On Wed, Apr 11, 2012 at 12:20 PM, Joe Angell <joe.d.angell@xxxxxxxxx> wrote:
> > What steps will reproduce the problem?
> > git init
> > echo "initial checkin" >> readme
> > git add readme
> > git commit -m "inital checkin"
> > git branch b1
> > git checkout b1
> > echo "b1" >> readme
> > git add readme
> > git commit -m "b1 readme"
> > git checkout master
> > git mv readme readme_master
> > git ci -m "moved readme"
> > echo "master" >> readme_master
> > git merge b1
> >
> > What is the expected output? What do you see instead?
> > I expect to have git prevent the merge due to local changes to the
> > file.  Instead it overwrites the file (erasing the local modification
> > "master") and you end up with:
> > cat readme_master
> > initial readme
> > b1
> >
> > What version of the product are you using? On what operating system?
> > Reproduced on 1.7.9.6 and from the git-core repo 1.7.10.128.g7945c.
> > This is on ubuntu 10.04.
> >
> > Please provide any additional information below.
> >
> > This problem only seems to occur after you check in the move, then
> > make local modifications, then do the merge.
> >
> > --
> > ---------------
> > Joe Angell
> > cell: (720) 260-2190
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