Re: Sparse checkout not working as expected (colons in filenames on Windows)

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On Fri, Mar 20, 2015 at 6:07 AM, Philip Oakley <philipoakley@xxxxxxx> wrote:
> Hi, I was expecting that sparse checkout could be used to avoid the checking
> out, by git, of files which have colons in their name into the worktree when
> on Windows.
>
> Yue Lin Ho reported on the Msygit list [1] that he had a repo where there
> was already committed a file with a colon in it's name, which was a needed
> file and had been committed by a Linux user. The problem was how to work
> with that repo on a Windows box where such a file is prohibited to exist on
> the FS (hence the expectation that a sparse checkout would suffice). Yue has
> created a short test repo [2]
>
> Even after getting the pathspec escaping right, I still haven't been able to
> make this expected behaviour work [3].
>
> Am I wrong to expect that sparse checkout (and the skip-worktree bit) can be
> used to avoid files with undesirable filenames hitting the OS's file system?
>
> If it should be OK, what's the correct recipe?
>
> --
> Philip
>
> [1]
> https://groups.google.com/forum/?hl=en_US?hl%3Den#!topic/msysgit/D4HcHRpxPgU
> "How to play around with the filename with colon on Windows?"
> [2] Test repo https://github.com/t-pascal/tortoisegit-colons
>
> [3] test sequence::
> $ mkdir colons && cd colons
> $ git clone -n https://github.com/t-pascal/tortoisegit-colons
> $ cd tortoisegit-colons/
> $ git config core.sparseCheckout true
> $ cat .git/info/sparse-checkout # external editor
> /*
> !ifcfg-eth0\:0

Colons have no special meaning in gitignore rules and therefore need
not be escaped. The backslash is considered a literal character in
this case, probably not what you want.

> $ git update-index --skip-worktree -- ifcfg-eth0\:0
> Ignoring path ifcfg-eth0:0
> $ git checkout -b test 7f35d34bc6160cc # tip commit, we are still unborn!
> error: Invalid path 'ifcfg-eth0:0
> D       ifcfg-eth0:0
> Switched to a new branch 'test'
-- 
Duy
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