On 17/06/16 20:04, Warren Young wrote:
In another recent thread,[1] someone was having trouble with the
yum-plugin-fastestmirror feature, so I suggested he remove it, since it’s just
a plugin and should therefore be optional. He reported that it couldn’t be
removed due to package dependencies.
I investigated further and found that this also affects CentOS 5.11 and CentOS
7.2. (The OP is on CentOS 6.8.) So, I reported it as a bug upstream, and they
claim their yum package doesn’t do that, so they’re bouncing the problem back
downstream.
I checked, and they’re right insofar as CentOS’s current C7 yum.spec file has
this on line 118:
Requires: yum-plugin-fastestmirror
I then tried to go get the RHEL SRPM for yum to compare its spec file to C7’s,
but their download site just refers visitors to git.centos.org, and the yum
repo there doesn’t seem to have an upstream RHEL7 branch.
So, I started poking around in the yum.spec file history, and indeed, the
oldest yum.spec file on the c7 branch doesn’t have that Requires line! It was
introduced in checkin f1c1b982, which claims all it does is “debrand
yum-3.4.3-132.el7”.[2]
I realize it is in the CentOS project’s best interest if users always use the
fastest mirror when downloading, but I claim that it is a bug to mark any
plugin as Requires, particularly when upstream does not.
Correct, the fastestmirror plugin is a requirement on CentOS (and
Scientific Linux) but is not on RHEL.
It was originally discussed here:
https://lists.centos.org/pipermail/centos-devel/2008-June/002864.html
Personally, I'm firmly in favour of having fastestmirror plugin as a
dependency in yum as it will benefit the vast majority of people IMHO.
Plus it is easily disabled for those who disagree.
The very fact it's taken 8 years for anyone to notice/comment kind of
supports this point of view.
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