So you are saying that there is no way to rollback to an old version using
git?  what is the point then, just to store a bunch of comments?

On Fri, Jun 28, 2013 at 12:59 PM, John McKown

> I will have to note that you seem to have a non-standard definition of
> version control. git, and other version control software such as
> Subversion, Mercurial, CVS, Visual Source Safe (or whatever MS calls it),
> don't track all changes to every file every time the file is modified. They
> only supply commands so that, at the direction of a user, a "snapshot" of
> the file(s) can be taken and tracked. With git, this is the "git add" and
> "git commit" commands. The "git commit" is what takes the actual snapshot.
> The "git add" puts the contents of the files to be updated/added in the
> snapshot into the "index". The "git commit" actually snapshots the "index"
> information into the local git "data base" (kept in the .git subdirectory)
> . Perhaps, you eventually update the bare repository using a "git push"
> command. Assuming you even keep a bare directory. On some of my personal
> stuff, I don't because I don't share it with others.
> Neither is git a security system. If you have been granted write access to
> a file, it is done using the host operating system's security mechanisms;
> whatever they may be. In Linux, that is with attributes, ACLS and maybe
> SELinux profiles. I don't know Windows. But the git software itself is not
> designed to stop you. That is the OS's responsibility.
> What it sounds like you want is a versioning file system. That is a file
> system which keeps old versions of a file each time you modify it, and
> usually has commands to revert to a previous version.
> ref:
> The only system which I have ever used which had this was long ago. It was
> called TOPS-20 and ran on a DEC System-20 machine. Every time you changed a
> file, the old version got a version number attached to it and the new
> version got the old name. So you could go back to previous versions using
> various commands.
> Now, if for some reason I wanted such a thing, I could likely implement
> something in Linux using incrond. This software allows you to specify a
> command to be run every time a monitored file or file in a subdirectory is
> changed. So if you wanted to use it, you would monitor the subdirectory so
> that when a file was changed a "git add -A ." and and "git commit -m 'some
> comment'" would automatically be issued.
> ref:
> But this is not a standard part of git. It is simply not part of the
> design. And I don't even know if something like this could be implemented
> in Windows.
> On Fri, Jun 28, 2013 at 2:07 PM, Ed Pataky <> wrote:
>> One thing I am concerned about is that it seems like there is no
>> protection from someone in via ftp and changing files .. i assumed that
>> version control meant that the files are protected .. why doesn't git
>> protect the files?  What i mean is, this seems to only work if everyone
>> does it correctly .. but if someone simply goes in by ftp and modifies
>> files, then git has no "control" over that .. is this correct?
> --
> This is a test of the Emergency Broadcast System. If this had been an
> actual emergency, do you really think we'd stick around to tell you?
> Maranatha! <><
> John McKown
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