mirror of
https://github.com/libguestfs/libguestfs.git
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appliance: Change to using febootstrap 3.x supermin appliance.
This removes all support for building the ordinary / old style appliance using febootstrap 2.x, debootstrap, debirf, fakeroot and fakechroot. Instead this uses febootstrap 3.x to build the supermin appliance in a simpler cross-distro manner.
This commit is contained in:
Richard W.M. Jones
@@ -1,6 +1,6 @@
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#!/bin/bash -
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# @configure_input@
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# Copyright (C) 2009 Red Hat Inc.
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# Copyright (C) 2009-2010 Red Hat Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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@@ -16,167 +16,46 @@
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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# This is called from the Makefile to build the initramfs.
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unset CDPATH
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set -e
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set -x
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if [ "@DIST@" = "REDHAT" ]; then
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cd @top_builddir@
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# Decide on names for the final output. These have to match Makefile.am.
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output=appliance/initramfs.@host_cpu@.img
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koutput=appliance/vmlinuz.@host_cpu@
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rm -f $output
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rm -f $koutput
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# XXX Distro-dependent in future.
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excludes="--exclude '^perl' --exclude '^python' --exclude '^fedora-logos' --exclude '^redhat-logos' --exclude '^dracut' --exclude '^upstart' --exclude '^plymouth' --exclude '^systemd' --exclude '^linux-firmware' --exclude '^kbd-misc'"
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# Create the basic initramfs.
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exec 5<appliance/packagelist
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packages=
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while read pkg 0<&5; do
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packages="$packages -i $pkg"
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done
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exec 5<&-
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@FEBOOTSTRAP@ $packages -u @UPDATES@ @REPO@ initramfs @MIRROR@
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# Create modules.dep. This is only used in the normal appliance
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# (not supermin).
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kversion=$(basename initramfs/lib/modules/*)
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@FEBOOTSTRAP_RUN@ initramfs -- /sbin/depmod -a $kversion
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# /sysroot is where the guest root filesystem will be mounted.
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@FEBOOTSTRAP_RUN@ initramfs -- mkdir -p --mode=0777 /sysroot
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# Create /tmp if it is missing.
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@FEBOOTSTRAP_RUN@ initramfs -- mkdir -p --mode=0777 /tmp
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# Create /selinux if it is missing.
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@FEBOOTSTRAP_RUN@ initramfs -- mkdir -p --mode=0755 /selinux
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# Nuke some stuff. The kernel pulls mkinitrd and plymouth which pulls in
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# all of Python. Sheez.
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(cd initramfs && find -name '*python*' -print0) |
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xargs -0 @FEBOOTSTRAP_RUN@ initramfs -- rm -rf
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(cd initramfs && find -name '*plymouth*' -print0) |
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xargs -0 @FEBOOTSTRAP_RUN@ initramfs -- rm -rf
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(cd initramfs && find -name 'libply-*' -print0) |
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xargs -0 @FEBOOTSTRAP_RUN@ initramfs -- rm -rf
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# In Fedora >= 11, it pulls in all of Perl from somewhere. Nuke from orbit.
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@FEBOOTSTRAP_RUN@ initramfs -- rm -rf /usr/lib/perl5 /usr/lib64/perl5
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# Anaconda? JPEG images?
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@FEBOOTSTRAP_RUN@ initramfs -- rm -rf /usr/lib/anaconda-runtime
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# Don't need any firmware.
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@FEBOOTSTRAP_RUN@ initramfs -- rm -rf /lib/firmware
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# Don't need any keyboard maps.
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@FEBOOTSTRAP_RUN@ initramfs -- rm -rf /lib/kbd
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# Remove anything in home directory. Because of the potential for disaster
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# we don't put a slash before 'home'.
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(cd initramfs && echo home/*) |
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xargs @FEBOOTSTRAP_RUN@ initramfs -- rm -rf
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# Remove /var/lib/yum stuff.
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@FEBOOTSTRAP_RUN@ initramfs -- rm -rf /var/lib/yum
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# Remove some unreadable binaries which are incompatible with
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# the supermin appliance. Since these binaries can't be read
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# from the host filesystem, they cannot be added to the supermin
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# appliance at run time. XXX Need a better fix for this.
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# Probably we should change febootstrap-supermin-helper to just
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# ignore such files.
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@FEBOOTSTRAP_RUN@ initramfs -- rm -f \
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/usr/bin/chfn \
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/usr/bin/chsh \
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/usr/libexec/pt_chown \
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/usr/libexec/utempter/utempter \
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/usr/sbin/groupdel \
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/usr/sbin/groupadd \
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/usr/sbin/useradd \
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/usr/sbin/tzdata-update \
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/usr/sbin/userdel \
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/usr/sbin/usermod \
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/usr/sbin/groupmod \
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/usr/sbin/groupmems \
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/sbin/unix_update \
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/usr/sbin/tcpd \
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/usr/share/dbus-1/services/org.selinux.Restorecond.service \
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/lib/dbus-1/dbus-daemon-launch-helper \
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/lib64/dbus-1/dbus-daemon-launch-helper \
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/etc/passwd- \
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/etc/group- \
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/etc/gshadow \
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/etc/gshadow- \
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/etc/shadow \
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/etc/shadow- \
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/etc/securetty \
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/etc/sysconfig/iptables-config \
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/etc/default/useradd \
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/etc/security/opasswd \
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/etc/libaudit.conf \
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/var/log/tallylog \
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/var/log/maillog \
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/var/log/secure \
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/var/log/spooler \
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/var/log/messages \
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/var/log/btmp \
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/var/log/yum.log \
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$(cd initramfs && echo usr/sbin/glibc_post_upgrade.*)
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# Remove all .*.hmac files (RHBZ#654638). These are not used unless
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# you are using FIPS, and they cause hard dependencies on files
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# which change whenever a library version is bumped.
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@FEBOOTSTRAP_RUN@ initramfs -- rm -f $(cd initramfs && find -name '.*.hmac')
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# Kernel modules take up nearly half of the image. Only include ones
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# which are on the whitelist.
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exec 5<appliance/kmod.whitelist
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whitelist=
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while read kmod 0<&5; do
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whitelist="$whitelist -a -not -name $kmod"
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done
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exec 5<&-
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(cd initramfs && \
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find lib/modules/*/kernel -name '*.ko' $whitelist -a -print0 ) |
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xargs -0 febootstrap-run initramfs -- rm
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# Pull the kernel out into the current directory. We don't want it in
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# the initramfs image.
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cp initramfs/boot/vmlinuz* $koutput
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@FEBOOTSTRAP_RUN@ initramfs -- rm -rf boot
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# Minimize the image.
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@FEBOOTSTRAP_MINIMIZE@ initramfs
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# Add some missing configuration files.
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if [ ! -f initramfs/etc/hosts ]; then
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cat > hosts.new <<'__EOF__'
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127.0.0.1 guestfs localhost.localdomain localhost
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::1 localhost6.localdomain6 localhost6
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__EOF__
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@FEBOOTSTRAP_INSTALL@ initramfs hosts.new /etc/hosts 0644 root.root
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rm hosts.new
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fi
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if [ ! -f initramfs/etc/fstab ]; then
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@FEBOOTSTRAP_RUN@ initramfs -- touch /etc/fstab
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fi
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echo nameserver 169.254.2.3 > resolv.conf.new
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@FEBOOTSTRAP_INSTALL@ initramfs resolv.conf.new /etc/resolv.conf 0644 root.root
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rm resolv.conf.new
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ls -lh $koutput
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elif [ "@DIST@" = "DEBIAN" ]; then
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cd @top_builddir@/appliance
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debirf make -n debian
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mkdir -p @top_builddir@/initramfs
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touch @top_builddir@/initramfs/fakeroot.log
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# Run febootstrap on the package list.
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if [ -z "@PACKAGE_DIRECTORY@" ]; then
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@FEBOOTSTRAP@ -v -o supermin.d $excludes --names $(< packagelist )
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else
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@FEBOOTSTRAP@ -v -o supermin.d $excludes @PACKAGE_DIRECTORY@/*
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fi
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# Remove some things that we don't want in the appliance. This is
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# copied from the old febootstrap-minimize. However minimization is
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# not so important now that we are caching the appliance.
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< supermin.d/hostfiles \
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grep -v '^/usr/lib/locale' |
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grep -v '^/usr/share/locale' |
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grep -v '^/usr/lib/gconv' |
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grep -v '^/usr/lib64/gconv' |
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grep -v '^/usr/bin/localedef' |
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grep -v '^/usr/sbin/build-locale-archive' |
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grep -v '^/usr/share/man/' |
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grep -v '^/usr/share/doc/' |
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grep -v '^/usr/share/info/' |
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grep -v '^/usr/share/gnome/help/' |
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grep -v '^/usr/share/cracklib/' |
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grep -v '^/usr/share/i18n/' > supermin.d/hostfiles-t
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# XXX resolv.conf? The old script had:
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# echo nameserver 169.254.2.3 > resolv.conf
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if ! grep -q /etc/resolv.conf supermin.d/hostfiles-t; then
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echo /etc/resolv.conf >> supermin.d/hostfiles-t
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fi
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# Include any Augeas lenses from the host.
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if grep -q /usr/share/augeas/lenses supermin.d/hostfiles-t; then
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echo "/usr/share/augeas/lenses/*.aug" >> supermin.d/hostfiles-t
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fi
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mv supermin.d/hostfiles-t supermin.d/hostfiles
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