[Nix-dev] Why does my system rebuild rustc and cargo?

[zimbatm]

Maybe one of the sqlite3 files is corrupted. What does this give you ?
```
find /nix/var -name "*.sqlite" -exec sh -c "echo .exit | sqlite3 -cmd
'PRAGMA integrity_check;' {}" \;
```

On Sun, 22 Nov 2015 at 16:30 Matthias Beyer <mail at beyermatthias.de> wrote:

> On 22-11-2015 12:18:30, Matthias Beyer wrote:
> > On 21-11-2015 23:35:04, James Cook wrote:
> > > * Is the path always exactly the same
> > > (/nix/store/iybrbljd5nzk4n4zmfgvibrhh2zjvp04-rustc-1.4.0.drv) or does
> > > it change?
> >
> > I'm not sure, but I think so. Will test asap.
>
> This path is always the same.
>
> >
> > >
> > > * If the answer is "always the same", then does the derivation
> > > successfully get built? What I mean is, when you a message like
> > > "building path(s) ‘/nix/store/XXX", then after that's done, does
> > > /nix/store/XXX exist? (Note: this is not the same as the
> > > /nix/store/iybrbljd5nzk4n4zmfgvibrhh2zjvp04-rustc-1.4.0.drv path! Look
> > > for a different path when you see the "building path(s)" message.)
> > >
> >
> > The problem is: It takes hours to build on my thinkpad! I will test on
> > my workstation asap.
>
> I build it. The output is available after the build (`which rustc` returns
> a
> store path, while outside of the nix-shell there is no rustc binary
> available).
>
> --
> Mit freundlichen Grüßen,
> Kind regards,
> Matthias Beyer
>
> Proudly sent with mutt.
> Happily signed with gnupg.
>
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