yum remove half-of-my-system

[Jesse Keating]

On Wed, 2009-05-13 at 10:40 -0700, John Poelstra wrote:
> 
> Do we consider this a bug? There was no deps chain in Fedora 10 (it was 
> a single package add or remove) so it seems like a regression to me.
> 
> John
> 
> I got this while doing a 'yum remove sendmail' in latest rawhide.....

Usually running with yum -d9 you'll get a better picture of the cascade
effect.

In this case:

Resolving Dependencies
--> Running transaction check
---> Package sendmail.x86_64 0:8.14.3-5.fc11 set to be erased
Checking deps for sendmail.x86_64 0-8.14.3-5.fc11 - e
cronie-1.2-7.fc11.x86_64 requires: /usr/sbin/sendmail
--> Processing Dependency: /usr/sbin/sendmail for package: cronie
Needed Require is not a package name. Looking up: /usr/sbin/sendmail
Potential Provider: sendmail.x86_64 0:8.14.3-5.fc11
Mode is e for provider of /usr/sbin/sendmail: sendmail.x86_64 0:8.14.3-5.fc11
Mode for pkg providing /usr/sbin/sendmail: e
TSINFO: cronie-1.2-7.fc11.x86_64 package requiring /usr/sbin/sendmail marked as erase
--> Running transaction check
---> Package cronie.x86_64 0:1.2-7.fc11 set to be erased
Checking deps for cronie.x86_64 0-1.2-7.fc11 - e
crontabs-1.10-29.fc11.noarch requires: /etc/cron.d
--> Processing Dependency: /etc/cron.d for package: crontabs
Needed Require is not a package name. Looking up: /etc/cron.d
Potential Provider: cronie.x86_64 0:1.2-7.fc11
Mode is e for provider of /etc/cron.d: cronie.x86_64 0:1.2-7.fc11
Mode for pkg providing /etc/cron.d: e
TSINFO: crontabs-1.10-29.fc11.noarch package requiring /etc/cron.d marked as erase
--> Restarting Dependency Resolution with new changes.
---> Loop Number: 2
Restarting Loop
--> Running transaction check
---> Package crontabs.noarch 0:1.10-29.fc11 set to be erased
Checking deps for crontabs.noarch 0-1.10-29.fc11 - e
anacron-2.3-74.fc11.x86_64 requires: crontabs
--> Processing Dependency: crontabs for package: anacron
Potential Provider: crontabs.noarch 0:1.10-29.fc11
Mode is e for provider of crontabs: crontabs.noarch 0:1.10-29.fc11
Mode for pkg providing crontabs: e
TSINFO: anacron-2.3-74.fc11.x86_64 package requiring crontabs marked as erase
rpm-4.7.0-1.fc11.x86_64 requires: crontabs
--> Processing Dependency: crontabs for package: rpm
Needed Require has already been looked up, cheating
Potential Provider: crontabs.noarch 0:1.10-29.fc11
Mode is e for provider of crontabs: crontabs.noarch 0:1.10-29.fc11
Mode for pkg providing crontabs: e
TSINFO: rpm-4.7.0-1.fc11.x86_64 package requiring crontabs marked as erase
--> Running transaction check
---> Package anacron.x86_64 0:2.3-74.fc11 set to be erased
Checking deps for anacron.x86_64 0-2.3-74.fc11 - e
---> Package rpm.x86_64 0:4.7.0-1.fc11 set to be erased

It looks like cronie requires sendmail, and cronie provides /etc/cron.d,
which is required by crontabs.  rpm itself requires crontabs, and since
the rest of your system requires rpm, well....

Whether or not this is a bug is debatable.  Systems should have some
MTA, so removing sendmail without any other MTA on your system (that
provides the /usr/sbin/sendmail file) is a bad idea.  However rpm itself
requiring crontabs could be fixed, either by putting the cron job it has
in a subpackage or by putting the cron job in something else.

-- 
Jesse Keating
Fedora -- Freedom² is a feature!
identi.ca: http://identi.ca/jkeating
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