What pulls in weak dependencies?

[Vít Ondruch]

Hi,

Running `dnf update`, it tries to install:

~~~

... snip ...

Installing weak dependencies:
 mkpasswd                        x86_64 5.4.1-3.fc31           
rawhide                 39 k

... snip ...

~~~

Trying to query for weak dependencies, nothing requires it:

~~~

$ sudo dnf repoquery --whatrecommends mkpasswd
Last metadata expiration check: 0:07:13 ago on Fri Mar  8 23:51:51 2019.

$ sudo dnf repoquery --supplements mkpasswd
Last metadata expiration check: 0:07:53 ago on Fri Mar  8 23:51:51 2019.

~~~

So I wonder how I am supposed to know, why DNF is trying to install such
packages.

Vít

[Mamoru TASAKA]

Vít Ondruch wrote on 2019/03/09 8:03:
> Hi,
>
> Running `dnf update`, it tries to install:
>
> Installing weak dependencies:
>   mkpasswd                        x86_64 5.4.1-3.fc31
> rawhide                 39 k
>
> Trying to query for weak dependencies, nothing requires it:
>
> $ sudo dnf repoquery --whatrecommends mkpasswd
> Last metadata expiration check: 0:07:13 ago on Fri Mar  8 23:51:51 2019.
>
> $ sudo dnf repoquery --supplements mkpasswd
> Last metadata expiration check: 0:07:53 ago on Fri Mar  8 23:51:51 2019.
>
> So I wonder how I am supposed to know, why DNF is trying to install such
> packages.

$ dnf repoquery --disablerepo=* --enablerepo=koji-31 --provides mkpasswd 2>/dev/null | while read f ; do echo -n -e "$f\t" ; dnf repoquery --disablerepo=* --enablerepo=koji-31 --whatrecommends "$f" 2>/dev/null ; echo ; done
mkpasswd = 5.4.1-3.fc31	
mkpasswd(x86-64) = 5.4.1-3.fc31	
whois-mkpasswd = 5.4.1-3.fc31	libxcrypt-0:4.4.4-1.fc31.x86_64

So libxcrypt-0:4.4.4-1.fc31.x86_64 Recommends whois-mkpasswd , which is provided by mkpasswd .

Regards,
Mamoru

[Vít Ondruch]

Dne 09. 03. 19 v 4:03 Mamoru TASAKA napsal(a):
> Vít Ondruch wrote on 2019/03/09 8:03:
> > Hi,
> >
> > Running `dnf update`, it tries to install:
> >
> > Installing weak dependencies:
> >   mkpasswd                        x86_64 5.4.1-3.fc31
> > rawhide                 39 k
> >
> > Trying to query for weak dependencies, nothing requires it:
> >
> > $ sudo dnf repoquery --whatrecommends mkpasswd
> > Last metadata expiration check: 0:07:13 ago on Fri Mar  8 23:51:51 2019.
> >
> > $ sudo dnf repoquery --supplements mkpasswd
> > Last metadata expiration check: 0:07:53 ago on Fri Mar  8 23:51:51 2019.
> >
> > So I wonder how I am supposed to know, why DNF is trying to install such
> > packages.
>
> $ dnf repoquery --disablerepo=* --enablerepo=koji-31 --provides
> mkpasswd 2>/dev/null | while read f ; do echo -n -e "$f\t" ; dnf
> repoquery --disablerepo=* --enablerepo=koji-31 --whatrecommends "$f"
> 2>/dev/null ; echo ; done
> mkpasswd = 5.4.1-3.fc31   
> mkpasswd(x86-64) = 5.4.1-3.fc31   
> whois-mkpasswd = 5.4.1-3.fc31    libxcrypt-0:4.4.4-1.fc31.x86_64
>
> So libxcrypt-0:4.4.4-1.fc31.x86_64 Recommends whois-mkpasswd , which
> is provided by mkpasswd .

Thank you. That is actually awful command. I complained in this ticket:

https://bugzilla.redhat.com/show_bug.cgi?id=1549851#c10

and on top of that created new ticket requesting providing full
information about the packages, which anyhow depend on specific package:

https://bugzilla.redhat.com/show_bug.cgi?id=1687070

Vít
> Regards,
> Mamoru
>
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[Vít Ondruch]

Dne 09. 03. 19 v 12:41 Vít Ondruch napsal(a):
> Dne 09. 03. 19 v 4:03 Mamoru TASAKA napsal(a):
> > Vít Ondruch wrote on 2019/03/09 8:03:
> > > Hi,
> > >
> > > Running `dnf update`, it tries to install:
> > >
> > > Installing weak dependencies:
> > >   mkpasswd                        x86_64 5.4.1-3.fc31
> > > rawhide                 39 k
> > >
> > > Trying to query for weak dependencies, nothing requires it:
> > >
> > > $ sudo dnf repoquery --whatrecommends mkpasswd
> > > Last metadata expiration check: 0:07:13 ago on Fri Mar  8 23:51:51 2019.
> > >
> > > $ sudo dnf repoquery --supplements mkpasswd
> > > Last metadata expiration check: 0:07:53 ago on Fri Mar  8 23:51:51 2019.
> > >
> > > So I wonder how I am supposed to know, why DNF is trying to install such
> > > packages.
> >
> > $ dnf repoquery --disablerepo=* --enablerepo=koji-31 --provides
> > mkpasswd 2>/dev/null | while read f ; do echo -n -e "$f\t" ; dnf
> > repoquery --disablerepo=* --enablerepo=koji-31 --whatrecommends "$f"
> > 2>/dev/null ; echo ; done
> > mkpasswd = 5.4.1-3.fc31   
> > mkpasswd(x86-64) = 5.4.1-3.fc31   
> > whois-mkpasswd = 5.4.1-3.fc31    libxcrypt-0:4.4.4-1.fc31.x86_64
> >
> > So libxcrypt-0:4.4.4-1.fc31.x86_64 Recommends whois-mkpasswd , which
> > is provided by mkpasswd .
>
> Thank you. That is actually awful command. I complained in this ticket:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1549851#c10
>
> and on top of that created new ticket requesting providing full
> information about the packages, which anyhow depend on specific package:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1687070
>
> Vít

As it turns out, there actually are DNF options for this. Let me
introduce "--depends" and "--whatdepends":

https://bugzilla.redhat.com/show_bug.cgi?id=1687070#c4

Credits goes to DNF team.

Vít