Re: depcheck appears to be broken

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On 08/26/2015 05:04 PM, Tim Flink wrote:
On Wed, 26 Aug 2015 14:34:14 -0600
Orion Poplawski <orion@xxxxxxxxxxxxx> wrote:

https://bodhi.fedoraproject.org/updates/libwps-0.4.1-1.fc21

		depcheck	libwps-0.4.1-1.fc21(x86_64)	a
day ago

shows passed:

TAP version 13
1..1
ok - depcheck for Koji build libwps-0.4.1-1.fc21
   ---
   arch: x86_64
   item: libwps-0.4.1-1.fc21
   outcome: PASSED
   type: koji_build
   ...

But:

Error: Package: 1:libreoffice-calc-4.3.7.2-9.fc21.x86_64
(@updates-testing) Requires: libwps-0.3.so.3()(64bit)
            Removing: libwps-0.3.1-1.fc21.x86_64
(@fedora-21-updates-x86_64) libwps-0.3.so.3()(64bit)
            Updated By: libwps-0.4.1-1.fc21.x86_64 (updates-testing)
               ~libwps-0.4.so.4()(64bit)
            Available: libwps-0.3.0-3.fc21.x86_64 (fedora)
                libwps-0.3.so.3()(64bit)


After looking into this, I'm starting to think this isn't a depcheck
failure as much as it is a difference between yum and dnf - I assume
that you used yum to do the attempted update to libwps-0.4?

On a F21 system, if I do 'repoquery --whatrequires libwps', I get the
following:

# repoquery --whatrequires libwps
calligra-words-0:2.8.6-1.fc21.x86_64
calligra-words-0:2.9.6-1.fc21.x86_64
libreoffice-calc-1:4.3.2.2-5.fc21.x86_64
libreoffice-calc-1:4.3.7.2-9.fc21.x86_64
libreoffice-writer-1:4.3.2.2-5.fc21.x86_64
libreoffice-writer-1:4.3.7.2-9.fc21.x86_64
libwps-devel-0:0.3.0-3.fc21.i686
libwps-devel-0:0.3.0-3.fc21.x86_64
libwps-devel-0:0.3.1-1.fc21.i686
libwps-devel-0:0.3.1-1.fc21.x86_64
libwps-tools-0:0.3.0-3.fc21.x86_64
libwps-tools-0:0.3.1-1.fc21.x86_64
writerperfect-0:0.9.2-3.fc21.x86_64
writerperfect-epub-0:0.9.2-3.fc21.x86_64


If I do the same query using dnf on a F22 system, I get:

# dnf repoquery --whatrequires libwps
Last metadata expiration check performed 1:25:08 ago on Wed Aug 26
15:25:25 2015. # echo $?
0

I think that is because dnf's repoquery sucks - I believe it is only looking for specific requires of "libwps", although I believe this is supposed to be fixed in newer versions of dnf. A more relevant query would either be:

dnf repoquery --whatrequires 'libwps-0.3.so.3()(64bit)'

or

dnf repoquery --whatrequires --alldeps libwps

(--alldeps being the default in the old yum based repoquery).



depcheck effectively uses the same depsolver that dnf uses and that is
not the same depsolving algorithm used by yum. If dnf is fine
installing the update, depcheck isn't going to complain.

dnf as expected cannot update libwps either:

[root@vmf21 ~]# dnf upgrade --enablerepo=updates-testing libwps
Using metadata from Wed Aug 26 18:54:19 2015 (0:05:58 hours old)
Dependencies resolved.
Nothing to do.
Complete!
[root@vmf21 ~]# dnf upgrade --enablerepo=updates-testing libwps --best
Using metadata from Wed Aug 26 18:54:19 2015 (0:06:06 hours old)
Error: package libreoffice-writer-1:4.3.7.2-9.fc21.x86_64 requires libwps-0.3.so.3()(64bit), but none of the providers can be installed


When I look into the specfile of libreoffice in the f21 branch, I don't
actually see a Requires on libwps for fedora, just a BuildRequires:

http://pkgs.fedoraproject.org/cgit/libreoffice.git/tree/libreoffice.spec?h=f21#n209

If I'm reading the situation correctly, this isn't something that
depcheck should or could have caught. Assuming that the libreoffice spec
isn't missing a Requires on libwps, this likely means that libreoffice
would be FTBFS for at least f21 with the new libwps in updates-testing.

library dependencies are added automatically by rpm.


--
Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA/CoRA Division                    FAX: 303-415-9702
3380 Mitchell Lane                  orion@xxxxxxxxxxxxx
Boulder, CO 80301              http://www.cora.nwra.com
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