Joshua Jensen venit, vidit, dixit 19.09.2011 21:44:
> ----- Original Message -----
> From: Joshua Jensen
> Date: 9/9/2011 2:04 PM
>> This may be an msysGit 1.7.6 issue, as that is what I am using. It
>> also occurs in msysGit 1.7.5, but I am almost certain it did not
>> happen in msysGit 1.7.2.
>>
>> Given an untracked file in the working directory that has been added
>> to an alternate branch, when switching to that alternate branch, 'git
>> checkout' exits with an error code but does not print anything to the
>> console. It should print an untracked file error.
>>
>> I have been trying to track this down in code. The point where the
>> error messages are printed, display_error_msgs, is never hit.
> Okay, so I've tracked this down, but I am unsure what the correct fix is.
>
> In unpack-trees.c's unpack_trees() function, there are some lines that read:
>
> if (ce->ce_flags & CE_ADDED &&
> verify_absent(ce, ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN, o))
> return -1;
>
> If the 'return -1' is changed to 'goto return_failed', then a proper
> error message appears:
>
> error: The following untracked working tree files would be
> overwritten by checkout:
> one/file/listed/here.txt
> Please move or remove them before you can switch branches.
> Aborting
>
> The thing is, there are multiple files that would be overwritten by
> checkout, and I believe an older version of Git showed me the entire
> list before aborting.
>
> What would be the proper fix here? What am I doing wrong?
Can you provide a simple test case, such as this one:
---%<---
#!/bin/sh
rm -Rf utest || exit 1
mkdir utest || exit 1
cd utest || exit 1
git init
echo tracked >a
git add a
git commit -m a a
git branch side
echo tracked >b
git add b
git commit -m b
cat b
git checkout side
cat b
echo untracked >b
cat b
git checkout master
cat b
---%<---
With 1.7.6 and current next this gives (Linux):
Initialized empty Git repository in /tmp/t/utest/.git/
[master (root-commit) b462c80] a
1 files changed, 1 insertions(+), 0 deletions(-)
create mode 100644 a
[master 22d8f2f] b
1 files changed, 1 insertions(+), 0 deletions(-)
create mode 100644 b
tracked
Switched to branch 'side'
cat: b: No such file or directory
untracked
error: The following untracked working tree files would be overwritten
by checkout:
b
Please move or remove them before you can switch branches.
Aborting
untracked
Does this test reproduce your problem on msysgit?
Michael
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