Torsten Bögershausen <[email protected]> writes:
> On 2014-10-01 19.10, Junio C Hamano wrote:
>> Hilco Wijbenga <[email protected]> writes:
>>
>>> Perhaps I completely misunderstand the meaning of core.filemode but I
>>> thought it determined whether Git cared about changes in file
>>> properties?
>>
>> By setting it to "false", you tell Git that the filesystem you
>> placed the repository does not correctly represent the filemode
>> (especially the executable bit).
>>
>> "core.fileMode" in "git config --help" reads:
>>
>> core.fileMode
>> If false, the executable bit differences between the
>> index and the working tree are ignored; useful on broken
>> filesystems like FAT. See git-update- index(1).
>
> Out of my head: Could the following be a starting point:
>
> core.fileMode
> If false, the executable bit differences between the
> index and the working tree are ignored.
> This may be usefull when visiting a cygwin repo with a non-cygwin
> Git client. (should we mention msysgit ? should we mention
> JGit/EGit ?)
Between these two sentences, there may still be the same cognitive
gap that may have lead to the original confusion.
The first sentence says what happens, as it should.
But it is not directly clear what makes the executable bit differ
and when it is a useful thing to ignore the differences, so the
second sentence that says "This may be useful" does not give the
reader very much.
Here is my attempt.
Tells Git if the executable bit of files in the working tree
is to be honored.
Some filesystems lose the executable bit when a file that is
marked as executable is checked out, or checks out an
non-executable file with executable bit on. "git init" and
"git clone" probe the filesystem to see if it records
executable bit correctly when they create a new repository
and this variable is automatically set as necessary.
A repository, however, may be on a filesystem that records
the filemode correctly, and this variable is set to 'true'
when created, but later may be made accessible from another
environment that loses the filemode (e.g. exporting ext4 via
CIFS mount, visiting a Cygwin managed repository with
MsysGit). In such a case, it may be necessary to set this
to 'false'.
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