[JIRA] (OVIRT-1385) Support installing latest version of specific pkgs

[Barak Korren (oVirt JIRA)]

    [ https://ovirt-jira.atlassian.net/browse/OVIRT-1385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=30803#comment-30803 ] 

Barak Korren commented on OVIRT-1385:
-------------------------------------

The runtime different between cache-using mock runs and non-cache using ones is more then a minute, so playing with the caching intervals would be I'll advised. Making this configurable would not be trivial at all.

I suppose the {{*.packages}} file format can be extended to allow requesting certain versions or forcing updates. Such changes will need to go into the {{mock_runner.sh}} code. There had been similar requests made in the past (Can't locate the relevant tickets right now).

I'm afraid I cannot prioritize this ticket very highly though. We are a bit reluctant to add any new features to {{mock_runner.sh}} for the time being.

Patches will be welcome though....

> Support installing latest version of specific pkgs
> --------------------------------------------------
>
>                 Key: OVIRT-1385
>                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1385
>             Project: oVirt - virtualization made easy
>          Issue Type: Improvement
>            Reporter: Vojtech Szocs
>            Assignee: infra
>
> ​There are multiple oVirt projects (see below) which contain a {{build.packages.force}} (or similar) file, along with the following code in their build script:
> {code}
> # The "build.packages.force" file contains BuildRequires packages
> # to be installed using their latest version.
> # Force CI to get the latest version of these packages:
> dependencies="$(sed -e '/^[ \t]*$/d' -e '/^#/d' automation/build.packages.force)"
> yum-deprecated clean metadata || yum clean metadata
> yum-deprecated -y install ${dependencies} || yum -y install ${dependencies}
> {code}
> Used in projects: ovirt-engine-dashboard, ovirt-engine-nodejs-modules, ovirt-web-ui
> Is it possible for CI to support this out of the box, using {{.force}} file convention? (basically a suffix to standard {{.packages}} files)
> I've looked at OVIRT-921 and IIUC the yum cache is cleaned every 2 days, so an alternative to above proposal would be to have this interval configurable per-project.
> Not sure what's the best approach here, please advise.



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