hg log shows nothing after upgrade.

[Matt Mackall]

On Tue, 2015-01-13 at 03:05 -0600, Rob Landley wrote:
> 
> On 01/13/2015 02:29 AM, Matt Mackall wrote:
> > On Tue, 2015-01-13 at 01:10 -0600, Rob Landley wrote:
> >> Last week I backed up my home partition and reinstalled from ubuntu
> >> 12.04 to 14.04, and now my old mercurial directories don't work. "hg
> >> log" shows nothing, hg identify says:
> >>
> >>   warning: ignoring unknown working parent 382d5b9ff2d5!
> >>   000000000000+ tip"
> > 
> > It's not your upgrade. Nothing has changed in the repository format
> > since 1.7 (2010) and the latest Mercurial will happily and transparently
> > read formats back to 0.5 (the format the main hg repo happens to still
> > be in!). Your Ubuntu has 2.0.2, your new one had 2.8.2, all ancient news
> > now. No one's ever reported any issue like this on upgrade.
> > 
> >>From your error message, I can see you have a .hg/dirstate file. It
> > points to a hash. It also knows there are modifications. So far so good.
> > 
> > What's not good is that hash is unknown and you have no log entries.
> > What that suggests is that you don't have a .hg/store/00changelog.i
> > file.
> 
> $ ls -l .hg/store/00changelog.i
> -rw-rw-r-- 1 landley landley 105152 Jan  2 00:44 .hg/store/00changelog.i

Do you have a .hg/requires file? If so, what are its contents?

-- 
Mathematics is the supreme nostalgia of our time.