Re: Interest in locking mechanism?

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On Tue, Jan 12, 2010 at 2:33 PM, Martin Langhoff
<martin.langhoff@xxxxxxxxx> wrote:
> On Tue, Jan 12, 2010 at 8:24 PM, Avery Pennarun <apenwarr@xxxxxxxxx> wrote:
>> really).  Just make a 'co' command that writes your username to
>> .filename.lock and chmods the file; then write a ci command that
>> checks the lockfile to make sure it's yours, deletes the lock file,
>> git commits it, and chmods the file back again.
>
> Actually -- on the same track but even better: if you are using a
> unixy system, you are likely to have all the users belong to a group,
> and the files are editable by the group because they are rwx by group
> members.
>
> So write your own "git-lock" command that does "chmod g-w $@";
> git-unlock reenables the group-writable bit. Done.

The trick is to track which user has the file checked out; you don't
want some random person to (accidentally) check in someone else's
file.  That's the whole point.  Of course, you can arrange for this
with some simple shell scripting.

I doubt ACLs are needed really.  RCS certainly works(1) fine without them.

Have fun,

Avery

(1) depending on your definition of "works"
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