temp directory.

Matt Mackall mpm at selenic.com
Wed Nov 17 22:42:04 UTC 2010


On Wed, 2010-11-17 at 16:13 -0600, Kevin Bullock wrote:
> On Nov 17, 2010, at 2:25 PM, Paolo Minazzi wrote:
> 
> >> If you want to avoid needless writes on the USB pen, I'd suggest doing
> >> all your work on a separate clone on the hard disk, and push to the
> >> pen drive after commit. Mercurial won't need a working copy inside the
> >> pen drive repository, and it'll only write what's needed to record the
> >> new revisions. And you'd get the additional benefit of an independent
> >> separate copy of your project's whole history.
> >> Regards,
> >> Wagner
> > 
> > Hi Wagner,
> > thanks for your reply.
> > Excuse me. My case is a little different.
> > I have two PCs for developing.
> > I want avoid to continue to copy/clone repository.
> > My idea is to use only a USB pen, modify sources on it and do the build on harddisk.
> > 
> > I have seen that if I use
> >> mount -remount,ro /my_code (my_code is on the USB pen)
> > "hg diff" does not work because it is a read-only filesystem.
> > This means that "hg diff" try to write files on my USB pen.
> > I want avoid this.

Send us a traceback from hg diff --traceback. 

> I don't think it's really possible to do this. Most likely `hg diff`
> is taking a lock on the repo, which requires it to be writeable.

There's no locking for readers in Mercurial.

-- 
Mathematics is the supreme nostalgia of our time.





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