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Bug 212681 - %pre scripts fail if /var/tmp is missing (rpm --root)
%pre scripts fail if /var/tmp is missing (rpm --root)
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: rpm (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Panu Matilainen
Depends On:
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Reported: 2006-10-27 19:50 EDT by Aaron Hanson
Modified: 2007-11-30 17:07 EST (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2007-10-19 14:40:16 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Aaron Hanson 2006-10-27 19:50:53 EDT
Description of problem:
Doing a package install to an alternate root, %pre scripts will not run at all
if /var/tmp doesn't exist

Version-Release number of selected component (if applicable):
RPM version 4.2.3

How reproducible:

Steps to Reproduce:
1.make a trivial package with a %pre script
2.initialize an alternate root area:
  a. (rpm --initdb ...)
  b. get /bin/sh working in the chroot
3.install the package to the alternate root (rpm -i --root ...)
Actual results:
%pre scripts always fail, like this:
error:   install: %pre scriptlet failed (2), skipping ...

Additional info:
add step 2.c: mkdir /var/tmp in the chroot area; then the pre script will run...
per Jeff Johnson:
> Hmmm, I'm pretty sure that I added a lazy mkdir on /var/tmp the 14th 
> or 15th time I had to diagnose this problem years ago.
Comment 1 Jeff Johnson 2007-04-10 21:44:13 EDT
Yes, here's the lazy mkdir when creating temporary files in order to run scriptlets:

    /* Create the temp directory if it doesn't already exist. */
    if (!_initialized) {
        _initialized = 1;
        tempfn = rpmGenPath(prefix, tpmacro, NULL);
        if (rpmioMkpath(tempfn, 0755, (uid_t) -1, (gid_t) -1))
            goto errxit;

%pre scripts are run in lib/psm.c, with the scritlet written to a temp file created by makeTempFile().

Comment 2 RHEL Product and Program Management 2007-10-19 14:40:16 EDT
This bug is filed against RHEL 3, which is in maintenance phase.
During the maintenance phase, only security errata and select mission
critical bug fixes will be released for enterprise products. Since
this bug does not meet that criteria, it is now being closed.
For more information of the RHEL errata support policy, please visit:
If you feel this bug is indeed mission critical, please contact your
support representative. You may be asked to provide detailed
information on how this bug is affecting you.

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