[debbugs-tracker] bug#36207: closed (Circular dependency in gnu/services: mcron -> base -> admin -> mcron)

[GNU bug Tracking System]

Your message dated Sat, 15 Jun 2019 18:42:15 +0200
with message-id <address@hidden>
and subject line Re: bug#36207: Circular dependency in gnu/services: mcron -> 
base -> admin -> mcron
has caused the debbugs.gnu.org bug report #36207,
regarding Circular dependency in gnu/services: mcron -> base -> admin -> mcron
to be marked as done.

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36207: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=36207
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> --- Begin Message ---
>
>
>
> Subject: 
>
> Circular dependency in gnu/services: mcron -> base -> admin -> mcron
>
>
>
>
> Date: 
>
> Fri, 14 Jun 2019 11:49:16 -0400 (EDT)
>
>
>
>
> User-agent: 
>
> Alpine 2.20 (DEB 67 2015-01-07)
>
>
>
>
> Hi Guix,
>
> As discussed on IRC with Ludo’ and Ricardo, 
> 4252dace19945f56192477e8cb07973c20a526ba introduced a circular dependency 
> among gnu/services modules, by adding a dependency between from base -> 
> admin, resulting in the full dependency chain:
>
>  mcron -> base -> admin -> mcron
>
> I ran into this when building a channel. The error reported by guix pull 
> was:
>
> ```
> (repl-version 0 0)
> (exception misc-error (value #f) (value "Unbound variable: ~s") (value 
> (mcron-service-type)) (value #f))
> ```
>
> Ludo’ determined the full error was:
>
> ```
> gnu/services/admin.scm:161:21: Unbound variable: mcron-service-type
> ```
>
> by running the repl directly:
>
> ```
> echo '(primitive-load 
> "/gnu/store/vf892np8mnh2zx9dppcv9k25xk648n2d-inferior-script.scm")' \
> | "/gnu/store/j7vxgnaqwimrzsnd8zhq9x1jdp7afl0s-guix-ca45da9fc/bin/guix" "repl"
> ```
>
> Options for solving this problem include moving the guix-publish service 
> into another module. However, this would break the API of (gnu service base),
> so we should be careful when doing that.
>
> It doesn't look like guix-publish is used elsewhere in the Guix code 
> proper currently.
>
> For now, we might want to revert 4252dace19945f56192477e8cb07973c20a526ba.
>
> Best,
> Jack
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#36207: Circular dependency in gnu/services: mcron -> base -> admin -> mcron
>
>
>
>
> Date: 
>
> Sat, 15 Jun 2019 18:42:15 +0200
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)
>
>
>
>
> Hi Jack,
>
> Jack Hill <address@hidden> skribis:
>
> > As discussed on IRC with Ludo’ and Ricardo,
> > 4252dace19945f56192477e8cb07973c20a526ba introduced a circular
> > dependency among gnu/services modules, by adding a dependency between
> > from base -> 
> > admin, resulting in the full dependency chain:
> >
> >  mcron -> base -> admin -> mcron
> >
> > I ran into this when building a channel. The error reported by guix
> > pull was:
> >
> > ```
> > (repl-version 0 0)
> > (exception misc-error (value #f) (value "Unbound variable: ~s") (value 
> > (mcron-service-type)) (value #f))
> > ```
>
> This is fixed (surprisingly easily!) by commit
> f3d797005374e5333c7596fe86b4a524ab1b9b11.
>
> Let me know if you notice anything wrong!
>
> Thanks for the bug report,
> Ludo’.
>
>
> --- End Message ---