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In the steps to reproduce the yum install line should also install yum-utils to obtain yum-builddep, so: yum install -y centos-release-scl-rh yum-utils |
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I see the same issue. ``` http://vault.centos.org/centos/7/sclo/Source/rh/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found ``` It looks like http://vault.centos.org/centos/7.5.1804/sclo/Source/ has a /rh/ directory but http://vault.centos.org/centos/7.6.1810/sclo/Source/ does not, it only has /sclo/ . http://vault.centos.org/centos/7/ now points to /7.6.1810/ so the expected /rh/ dir is missing. `yum-builddep` enables all repos, including the repos installed by the `centos-release-scl` package from EPEL; see http://mirror.centos.org/centos/7/extras/x86_64/Packages/ where there are packages ``` [ ] centos-release-scl-2-2.el7.centos.noarch.rpm 2016-05-23 15:47 12K [ ] centos-release-scl-rh-2-2.el7.centos.noarch.rpm 2016-05-23 15:47 12K ``` unpacking the two rpms, I see ``` centos-release-scl-2-2.el7/etc/yum.repos.d/CentOS-SCLo-scl.repo centos-release-scl-rh-2-2.el7/etc/yum.repos.d/CentOS-SCLo-scl-rh.repo ``` The `centos-release-scl` depends on `centos-release-scl-rh`: ``` $ rpm -qp --requires centos-release-scl-2-2.el7.centos.noarch.rpm|grep centos centos-release-scl-rh config(centos-release-scl) = 2-2.el7.centos ``` so we get ``` ---> Package centos-release-scl.noarch 0:2-2.el7.centos will be installed --> Processing Dependency: centos-release-scl-rh for package: centos-release-scl-2-2.el7.centos.noarch ``` then yum-builddep enables the busted repo. Definitely a CentOS bug here. |
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To fix this, CentOS needs to drop the dependency of centos-release-scl on centos-release-scl-rh or reinstate the /rh/ directory as an empty repo. Preferably both. To work around it, users should be able to delete the contents of /etc/yum.repos.d/CentOS-SCLo-scl-rh.repo or remove the file. Marking the repos disabled is not sufficient, as yum-builddep overrides it. I think an explicit --disablerepo=centos-sclo-rh-source might do the trick too. |
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None of these workarounds are particularly practical when building packages within containers etc, though, where the invoker doesn't control the yum-builddep run directly. I'm working around it for now by not installing centos-release-scl and instead copying the ./etc/yum.repos.d/CentOS-SCLo-scl.repo and ./etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo files directly. |
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I just ran into this as well. I used the workaround of removing /etc/yum.repos.d/CentOS-SCLo-scl-rh.repo, and was then able to use yum-builddep without running into this bug. |
- Anonymous
