On Thu, Aug 27, 2015 at 12:40 PM, Enzo Chi <enzo.chi...@gmail.com> wrote:

> I think git track executable permission, right?
>
> If so, files in git is "read only" and "not deployment too", why it track
> "x" permission?
>

x permissions alter the functionality of the file.

For example, if you have a build system that needs scripts to build and
those scripts need to be x, then the x better be stored or the scripts are
useless.


>
> Keep "read only" permission is useful in some scenario. And most important
> thing is there's on harm to keep it (I am not a software developer, correct
> me if I am wrong)?
>

That does not achieve anything from a safety perspective. If you lose/alter
a file then you just checkout the version in HEAD again.

Getting r/w permissions right would be hell anyway.

Consider this:

Start with a readonly file.

Now I need to change it, so I make is locally writable and change it.
Then I do a commit and push it again. Oops! I forgot to make it read only
again before I pushed it, so now it is writable in the repo too.

Better to just dodge this hangover by not having r/w.



>
>
>
> On Thursday, August 27, 2015 at 6:55:55 AM UTC+10, Philip Oakley wrote:
>>
>>
>> I have post an question at
>> http://superuser.com/questions/962861/how-to-use-git-to-commit-read-only-file
>>
>>
>> I just want to know why GIT doesn't track read/write permission?
>>
>> What I want is just GIT keep what every I checked in? ( I am OK with the
>> executable permission control)
>>
>>
>> It's sort of a philosophical issue. If you are placing a file into a
>> repository, it is by definition "read only". You can never 'write' the same
>> revision, but with a different content - it would be a contradiction. Hence
>> the r/w flags are ignored.
>>
>> It's important to remember that as concieved, Git is not a deployment
>> tool, so it didn't need r/w permissions, and as open source DVCS,
>> everything checked out would be local so the user would have full control,
>> so read-only couldn't be relied on anyway, and we hope the user will
>> contribute a change/improvement so 'write' it is!
>>
>> Likewise it doesn't store timestamps (of the files) either..
>>
>> There is a Linus 'rant' somewhere on the issue..
>>
>> Philip
>>
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