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<H1>[Mageia-dev] ANNOUNCE: The /usr move cometh! <---- Instructions</H1>
<B>Thierry Vignaud</B>
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TITLE="[Mageia-dev] ANNOUNCE: The /usr move cometh! <---- Instructions">thierry.vignaud at gmail.com
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<I>Tue Sep 25 12:07:49 CEST 2012</I>
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<PRE>On 9 September 2012 20:42, Colin Guthrie <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">mageia at colin.guthr.ie</A>> wrote:
>><i> Those cannot be done anymore.
</I>>><i> Now updating rpm in order to be able to sole the unifiedsystemdir depends
</I>>><i> pulls filesystem...
</I>>><i> Classic egg & chicken issue...
</I>><i>
</I>><i> Yes, this has been a problem for a while now in Cauldron. But not many
</I>><i> users are asking this question these days, so the likely path now is
</I>><i> from mga2 -> cauldron which is probably where the effort should be focused.
</I>
BTW I tested live upgrade from FC17 to FC18.
It works smoothly if you don't have third party packages.
in FC there's no need for a special boot, everything is hanled by filesystem
package's pre/post scripts:
$ rpm -q --scripts filesystem -v
pretrans scriptlet (using <lua>):
--#
--# If we are running in pretrans in a fresh root, there is no /usr
and symlinks.
--# We cannot be sure, to be the very first rpm in the transaction list,
--# so, let's create the toplevel symlinks here and the directories
they point to.
--# When our rpm is unpacked by cpio, it will set all permissions and
modes later.
--#
if posix.stat("/usr") == nil then
posix.mkdir("/usr")
end
for i,dir in ipairs({"/lib", "/lib64", "/sbin", "/bin"}) do
if posix.stat("/usr"..dir) == nil then
posix.mkdir("/usr"..dir)
if posix.stat(dir, "mode") == nil then
posix.symlink("usr"..dir, dir)
end
end
end
return 0
postinstall scriptlet (using <lua>):
posix.symlink("../run", "/var/run")
posix.symlink("../run/lock", "/var/lock")
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