What's going on is that a base sarge system looks like this: kodama:/usr/doc# ls -l total 0 lrwxrwxrwx 1 root root 15 Jan 5 22:41 at -> ../share/doc/at lrwxrwxrwx 1 root root 17 Jan 5 22:41 cpio -> ../share/doc/cpio lrwxrwxrwx 1 root root 21 Jan 5 22:41 ipchains -> ../share/doc/ipchains lrwxrwxrwx 1 root root 18 Jan 5 22:41 klogd -> ../share/doc/klogd lrwxrwxrwx 1 root root 25 Jan 5 22:41 liblockfile1 -> ../share/doc/liblockfile1 lrwxrwxrwx 1 root root 21 Jan 5 22:41 sysklogd -> ../share/doc/sysklogd kodama:/usr/doc# dpkg -S /usr/doc base-files: /usr/doc
When this is upgraded to etch, base-files is upgraded before most of these
symlink containing packages. So dpkg cannot remove the /usr/doc directory
despite that being the last package to own it. The symlinks are eventually
removed, but the directory remains.
(Reading database ... 7749 files and directories currently installed.)
Preparing to replace base-files 3.1.2 (using
.../archives/base-files_4_i386.deb) ...
Unpacking replacement base-files ... dpkg: warning - unable to delete old file
`/usr/doc': Directory not empty
Setting up base-files (4) ...
BTW, there are also crufty old systems where /usr/doc contains a mess of
broken symlinks due to broken old packages that were removed before being
fixed, or possibly due to upgrade bugs in existing packages that we've missed:
<Sesse> joeyh: heh. I actually have tons of stuff left in /usr/doc; most of it
from 1998, though. :-)
<Sesse> six symlinks, though. probably left over in some upgrade...
<Sesse> joeyh: well... tftpd-hpa, raidtools2, python, freefont, fai, dhcp, at
<Sesse> all but python and freefont are simply gone
The following in base-files's postinst would fix both issues.
if [ -d /usr/doc ] && [ ! -L /usr/doc ]; then
find /usr/doc -maxdepth 1 -mindepth 1 -type l -print0 | xargs -0 rm -f
rmdir --ignore-fail-on-non-empty /usr/doc 2>/dev/null
fi
--
see shy jo
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