source: trunk/debathena/debathena/debathena-live/sbin/debathena-livecd-convert @ 25398

Revision 25398, 8.7 KB checked in by jrjarvis, 13 years ago (diff)
livecd build environment - updated for Natty, ubiquity removed (#747)
  • Property svn:executable set to *
RevLine 
[25398]1#!/bin/bash -e
2
3# Turn an ubuntu Karmic Koala live cd into one for Debathena
4# See https://help.ubuntu.com/community/LiveCDCustomization
5# Running this script itself on a machine running the same
6# distro helps.
7
8function usage () {
9    echo "Usage: $0 [--dvd] [--aptitude '<package1> <package2>...'] [--tempdir /tmp/whatever] ubuntu-11.04-desktop-i386.iso debathena-i386.iso" > /dev/stderr
10    exit
11}
12
13args="$(getopt -o da:t:h --long dvd,aptitude:,tempdir:,help -n debathena-livecd-convert -- "$@")"
14
15eval set -- "$args"
16
17CD="CD"
18CDDESC=""
19aptmods=""
20
21while true ; do
22    case "$1" in
23        -d|--dvd) CD="DVD" ; shift ;;
24        -a|--aptitude) aptmods="$aptmods $2" ; CDDESC="Unofficial "; shift 2 ;;
25        -t|--tempdir) TMP="$2" ; dontrmtmp=1 ; shift 2 ;;
26        -h|--help) usage; shift ;;
27        --) shift ; break ;;
28        *) echo "Internal error!" ; exit 1 ;;
29        esac
30done
31
32if [[ $# -ne 2 ]] ; then
33    usage
34fi
35
36# Set vars
37if [[ -z "$TMP" ]] ; then
38    TMP=$(mktemp -dt debathena-livecd-XXXXXX)
39fi
40MNT="$TMP/mnt"
41EXCD="$TMP/extract-cd"
42EDIT="$TMP/edit"
43
44CDNAME="Debathena"
45
46if [ "$CD" = "DVD" ] ; then
47    echo "Using packages for Live DVD."
48    EXTRA_PACKAGES='
49    debathena-extra-software
50    bind9-host'
51    EXTRA_NO_RECOMMENDS='
52    debathena-network-manager-config'
53    PURGE=''
54else
55    EXTRA_PACKAGES='
56    bind9-host
57    emacs
58    vim-gnome
59    hesiod
60    krb5-clients
61    remctl-client
62    screen
63    rcs
64    cvs
65    subversion
66    git-core
67    tree'
68    EXTRA_NO_RECOMMENDS='
69    texlive-base
70    texlive-latex-base debathena-tex-config
71    texlive-latex-recommended texlive-latex-extra latex-beamer prosper
72    debathena-network-manager-config'
73    PURGE='
74    ^diveintopython$
75    ~nbogofilter
76    ~ngnome-games
77    ^ekiga$
78    ^tomboy$
79    ^f-spot$
80    ~n^mono-
81    ~n^libmono-
82    ~n^openoffice.org-help-
83    ~ngimp-help
84    en-gb$
85    en-au$
86    en-za$
87    ^wbritish$
88    ^python-uno$
89    gnome-user-guide
90    ^example-content$
91    ^language-pack-bn$ ^language-pack-bn-base$
92    ^language-pack-de$ ^language-pack-de-base$ ^language-pack-es$
93    ^language-pack-es-base$ ^language-pack-fr$ ^language-pack-fr-base$
94    ^language-pack-gnome-bn$ ^language-pack-gnome-bn-base$
95    ^language-pack-gnome-de$ ^language-pack-gnome-de-base$
96    ^language-pack-gnome-es$ ^language-pack-gnome-es-base$
97    ^language-pack-gnome-fr$ ^language-pack-gnome-fr-base$
98    ^language-pack-gnome-pt$ ^language-pack-gnome-pt-base$
99    ^language-pack-gnome-xh$ ^language-pack-gnome-xh-base$ ^language-pack-pt$
100    ^language-pack-pt-base$ ^language-pack-xh$ ^language-pack-xh-base$'
101fi
102
103# Having this mounted by accident is /very bad/ (you end up removing files
104# from the real /dev/), so double check.
105umount -l "$EDIT/dev" 2> /dev/null || :
106
107function cleanup {
108    echo "Cleaning up..."
109    umount -l "$EDIT/dev" || :
110    umount -dl "$MNT" || :
111    # These shouldn't be necessary (and shouldn't break a busy loop device),
112    # but seem to be for some reason.
113    # The -d switch to umount should be sufficient, but it's not
114    losetup -d /dev/loop7 || :
115    losetup -d /dev/loop6 || :
116    losetup -d /dev/loop5 || :
117    losetup -d /dev/loop4 || :
118    losetup -d /dev/loop3 || :
119    losetup -d /dev/loop2 || :
120    losetup -d /dev/loop1 || :
121    losetup -d /dev/loop0 || :
122   
123    # Clean intermediate files
124    # If an explicit tempdir was given, don't remove it for debugging
125    if [[ -z "$dontrmtmp" ]] ; then
126        rm -Rf "$TMP"
127    else
128        echo "Not removing $TMP."
129    fi
130}
131trap cleanup EXIT SIGINT SIGTERM
132
133# Simple rsync equivalent that shows progress based on file count
134# Don't include switches that affect output or w/e
135# The -pte options to pv prevent it from printing the total number of
136# lines (i.e., files) and the number of lines/files per second, because
137# those look too much like byte counts.
138function rsync_p {
139    set -e
140    l=`rsync "$@" -n --out-format='%n' | wc -l`
141    rsync "$@" --out-format='%n' | pv -lpte -s $l > /dev/null
142}
143
144# Make sure we have necessary packages -- these are now dependencies
145#apt-get install squashfs-tools genisoimage pv syslinux netpbm
146
147# Make sure the module is loaded
148if ! grep -q squashfs /proc/filesystems ; then
149    echo "Filesystem 'squashfs' not found in /proc/filesystems." >/dev/stderr
150    echo "Try 'modprobe squashfs'?" > /dev/stderr
151    exit 1
152fi
153
154# Mount CD image
155echo "Mounting CD image."
156mkdir -p "$MNT"
157mount -o loop "$1" "$MNT"
158
159# Extract CD contents for modification
160echo "Extracting CD contents for modification."
161mkdir -p "$EXCD"
162rsync_p --exclude=/casper/filesystem.squashfs -a --delete "$MNT/" "$EXCD/"
163
164# Extract squashfs for mods
165echo "Unpack squashfs for modification."
166mkdir -p "$EDIT"
167unsquashfs -d "$EDIT" -f "$MNT/casper/filesystem.squashfs"
168
169# Modifying boot scripts
170echo "Modifying boot scripts..."
171rm -f "$EDIT/usr/share/initramfs-tools/scripts/casper-bottom/02timezone"
172rm -f "$EDIT/usr/share/initramfs-tools/scripts/casper-bottom/15autologin"
173cp "/usr/share/debathena-livecd-tools/casper-bottom/"*[!~] "$EDIT/usr/share/initramfs-tools/scripts/casper-bottom/"
174# for now, remove ubiquity mods since it won't be on the DVD
175rm -f "$EDIT/usr/share/initramfs-tools/scripts/casper-bottom/50mod_ubiquity"
176
177VERSION="$CDDESC$CD $(dpkg-query -W -f '${Version}\n' debathena-livecd-tools) $(date +%F)"
178sed -ri "s/VERSION=unknown/VERSION=\"$VERSION\"/" "$EDIT/usr/share/initramfs-tools/scripts/casper-bottom/50mod_athinfo"
179
180# Mod boot screen
181if [[ -e "$EXCD/isolinux/isolinux.txt" ]] ; then
182    menu="$EXCD/isolinux/isolinux.txt"
183else
184    menu="$EXCD/isolinux/txt.cfg"
185fi
186sed -ri "s/Ubuntu/$CDNAME/g" "$menu" "$EXCD/isolinux/isolinux.cfg"
187pngtopnm < "/usr/share/debathena-livecd-tools/splash/splash1.png" | ppmquant 256 | ppmtopcx > "$EXCD/isolinux/splash.pcx"
188# Force this one to no more than 16 colors
189pngtopnm < "/usr/share/debathena-livecd-tools/splash/splash2.png" | ppmquant 16 | ppmtolss16 "#000000=0" "#ffffff=7" > "$EXCD/isolinux/splash.rle"
190
191# Mod language
192echo 'en' > "$EXCD/isolinux/lang"
193
194# Mod README.diskdefines
195sed -ri 's/^(\#define DISKNAME\s+)(.+)$/\1'"$CDDESC$CDNAME"' \2/' "$EXCD/README.diskdefines"
196
197# Copy ubiquity mod files
198cp -a "/usr/share/debathena-livecd-tools/oncd" "$EDIT/oncd"
199# We need this for our aptitude
200# success_cmd to not fail horribly, because ubiquity
201# gets rid of its version too soon.
202cp "/usr/lib/debathena-livecd-tools/bin/policy-rc.d" "$EDIT/oncd/"
203
204# Prep chroot
205echo "Preparing for chroot..."
206# We'll need network
207cp /etc/resolv.conf "$EDIT/etc/"
208cp /etc/hosts "$EDIT/etc/"
209# Put a script named /usr/sbin/policy-rc.d that exits with code 101
210# This prevents init scripts from being run by installed software
211cp "/usr/lib/debathena-livecd-tools/bin/policy-rc.d" "$EDIT/usr/sbin/"
212
213# Debathena key
214cp "/usr/share/keyrings/debathena-archive-keyring.gpg" "$EDIT/tmp/"
215
216echo "$EXTRA_PACKAGES" > "$EDIT/tmp/extra-packages"
217echo "$EXTRA_NO_RECOMMENDS" > "$EDIT/tmp/extra-no-recommends"
218echo "$PURGE" > "$EDIT/tmp/purge"
219echo "$aptmods" > "$EDIT/tmp/aptmods"
220
221mount --rbind /dev "$EDIT/dev"
222
223# stop cups since if it is running the
224# the install will try to add printers
225if [ $(pidof cupsd) ]; then
226    service cups stop
227    restart_cups=true
228fi
229
230# Set up the chroot script
231cp "/usr/lib/debathena-livecd-tools/bin/part2" "$EDIT/tmp/"
232
233# Chroot
234echo "Chroot!"
235unset SUDO_USER
236unset SUDO_UID
237unset SUDO_GID
238chroot "$EDIT" /tmp/part2
239echo "End Chroot."
240
241if [ ! -e "$EDIT/tmp/success" ] ; then
242    echo "Chroot part2 failed." > /dev/stderr
243    exit 1
244fi
245
246if [ $restart_cups ]; then
247    service cups restart
248fi
249
250
251
252# Back from the chroot
253
254# Keep regenerated boot image
255cp "$EDIT/initrd.img" "$EXCD/casper/initrd.gz"
256# Karmic uses initrd.lz
257gzip -dc "$EXCD/casper/initrd.gz" | lzma -7 > "$EXCD/casper/initrd.lz"
258# And use the upgraded kernel, if we did an upgrade
259if [[ -e "$(readlink -f "$EDIT/vmlinuz")" ]] ; then
260    echo "Using kernel $(readlink -f "$EDIT/vmlinuz")."
261    mv "$(readlink -f "$EDIT/vmlinuz")" "$EXCD/casper/vmlinuz"
262fi
263
264# Clean up
265rm -Rf "$EDIT/tmp/"* # This includes part2
266rm "$EDIT/etc/resolv.conf"
267rm "$EDIT/etc/hosts"
268rm "$EDIT/usr/sbin/policy-rc.d"
269
270# Regenerate manifest
271echo "Generating manifest."
272chroot "$EDIT" dpkg-query -W --showformat='${Package} ${Version}\n' > "$EXCD/casper/filesystem.manifest"
273cp "$EXCD/casper/filesystem.manifest" "$EXCD/casper/filesystem.manifest-desktop"
274sed -i '/ubiquity/d' "$EXCD/casper/filesystem.manifest-desktop"
275
276# Compress filesystem
277echo "Compressing filesystem."
278rm -f "$EXCD/casper/filesystem.squashfs"
279# Needed -nolzma pre-Karmic
280mksquashfs "$EDIT" "$EXCD/casper/filesystem.squashfs"
281
282# Calc md5sums
283echo "Calcualting checksums."
284rm "$EXCD/md5sum.txt"
285(cd "$EXCD" && find . -type f -print0 | xargs -0 md5sum > md5sum.txt)
286
287# Create ISO
288echo "Building ISO."
289genisoimage -r -V "$CDNAME Live" -cache-inodes -J -l -b "isolinux/isolinux.bin" -c "isolinux/boot.cat" -no-emul-boot -boot-load-size 4 -boot-info-table -o "$2" "$EXCD"
290
291# Now test it with VMware or something
292echo "Done!"
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