the yum repository is left. This is useful if you want to run further
yum commands inside the filesystem by hand.
+=item B<-p "proxyurl">
+
+=item B<--proxy="proxyurl">
+
+URL to the proxy server that yum should use.
+
+=item B<-u source>
+
+=item B<--updates=source>
+
+Pull in updates from an additional updates repository. The possible
+sources are:
+
+=over 4
+
+=item -u C<http://...> (a URL)
+
+Get updates from the specific URL.
+
+=item -u C<updates-released-fN> (an updates repository name)
+
+Get updates from the public mirrors of the named repository
+(eg. C<updates-released-f10>). See REPOSITORIES below.
+
+=item -u C<none> (default)
+
+Don't add an updates repository. This is the default.
+
+=back
+
=back
=head1 REPOSITORIES
echo updated-content > old-file
-(since that preserves the original inode). In most cases it's usually
-safest to use C<febootstrap-run>.
+(since that preserves the original inode).
+
+Deleting files and then creating new ones (even with a different name)
+is usually unsafe, because the new files might reuse inodes claimed by
+the old files, and so appear with peculiar permissions
+(eg. unreadable, or as a symbolic link). (XXX We need an
+C<febootstrap-install> utility to automate installing new files safely
+into a filesystem).
+
+In most cases it's usually safest to use C<febootstrap-run>.
You can use the fakeroot logfile in a number of ways:
=head1 OTHER RESTRICTIONS AND BUGS
-C</sbin/ldconfig> and C</usr/sbin/glibc_post_upgrade> are not run
-during C<%post> scriptlets (because they are statically linked, and
-fakechroot cannot run statically linked programs). If you wish, you
-can run them the first time you boot into the new machine.
+The following programs are not run during C<%post> scriptlets (because
+they are all statically linked, and fakechroot cannot run statically
+linked programs).
+
+=over 4
+
+=item C</sbin/ldconfig> (from many packages)
+
+=item C</usr/sbin/glibc_post_upgrade> (from C<glibc>)
+
+=item C</usr/sbin/build-locale-archive> (from C<glibc-common>)
+
+=item C</usr/sbin/libgcc_post_upgrade> (from C<libgcc>)
+
+=back
+
+If you wish, you can run them the first time you boot into the new
+machine.
febootstrap recreates the repository anew each time, and this causes
yum to download all the RPMs every time. This is very wasteful, and