[Yum] passing --dbpath (again!)

Loïc Minier lool+duke at via.ecp.fr
Mon Nov 6 16:41:28 UTC 2006


        Hi there,

 I'm running Yum 3.0.1 and RPM 4.4.2 under Debian and I am trying to
 bootstrap RPM based systems with mach which will generate a yum.conf
 like this:
    [main]
    cachedir = /../../../../../var/cache/mach/centos-4-i386/yum
    reposdir = /../../../../../var/lib/mach/states/centos-4-i386-os/yum/yum.repos.d
 under /var/lib/mach/states/centos-4-i386-os/yum.conf to bootstrap a
 chroot starting with:
    yum -c /var/lib/mach/states/centos-4-i386-os/yum.conf --installroot=/var/lib/mach/roots/centos-4-i386-os  -y -y install bash glibc

 Yum processes happily to downloading, dependencies solving etc., but
 barks at the RPM transaction set run:
    ...
    warning: termcap-5.4-3: Header V3 DSA signature: NOKEY, key ID
    443e1821
    Finished Transaction Test
    Transaction Test Succeeded
    Running Transaction
    error: can't create transaction lock on /var/lib/rpm/__db.000

 I simply don't have /var/lib/rpm (geez, I'm running Debian :-P).

 I think it would make the most sense to let Yum use the chroot's RPM
 db.  I believe Yum correctly sets RPM's --root via the Python bindings
 of RPM, but I think it doesn't set --dbpath properly.

 Setting %_dbpath in /etc/rpm/macros before running mach, like below:
    %_dbpath /var/lib/mach/roots/centos-4-i386-os/var/lib/rpm
 works like a charm, but is terribly ugly.

 Should Yum be changed to set --dbpath when --installroot is set?  Or
 should Yum support some way to set any RPM macro via yum.conf?


 The ML archives suggest this question was asked frequently; perhaps it
 should be promoted to the FAQ.

   Thanks for comments,
-- 
Loïc Minier <lool at dooz.org>



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