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Compress the initrd with LZMA by default, now that the kernel supports

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this across the board. Saves about 3MB on Ubuntu live CDs.
This commit is contained in:
Colin Watson 2009-06-23 17:27:52 +01:00
parent 4cdf1ba359
commit 48f4c7164f
2 changed files with 14 additions and 0 deletions
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7
debian/changelog vendored
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@ -1,3 +1,10 @@
livecd-rootfs (0.85) UNRELEASED; urgency=low
* Compress the initrd with LZMA by default, now that the kernel supports
this across the board. Saves about 3MB on Ubuntu live CDs.
-- Colin Watson <cjwatson@ubuntu.com> Tue, 23 Jun 2009 17:26:36 +0100
livecd-rootfs (0.84) karmic; urgency=low livecd-rootfs (0.84) karmic; urgency=low
* Don't force installation of libgoffice-gtk-0-6 on xubuntu; this package * Don't force installation of libgoffice-gtk-0-6 on xubuntu; this package

7
livecd.sh
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@ -70,6 +70,7 @@ export CASPER_GENERATE_UUID=1
SRCMIRROR=http://archive.ubuntu.com/ubuntu SRCMIRROR=http://archive.ubuntu.com/ubuntu
ARCH=$(dpkg --print-architecture) ARCH=$(dpkg --print-architecture)
OPTMIRROR= OPTMIRROR=
INITRD_COMPRESSOR=lzma
select_mirror () { select_mirror () {
case $ARCH in case $ARCH in
@ -499,6 +500,12 @@ ${COMMENT}deb-src ${SECSRCMIRROR} ${STE}-security multiverse
# ubiquity >= 1.9.4 copies the kernel from the CD root if it doesn't # ubiquity >= 1.9.4 copies the kernel from the CD root if it doesn't
# find one on the livefs, allowing us to save space # find one on the livefs, allowing us to save space
mv ${ROOT}/boot/vmlinu?-"${KVER}" livecd.${FSS}.kernel-"${SUBARCH}" mv ${ROOT}/boot/vmlinu?-"${KVER}" livecd.${FSS}.kernel-"${SUBARCH}"
if [ "$INITRD_COMPRESSOR" != gz ]; then
zcat "livecd.${FSS}.initrd-${SUBARCH}" | "$INITRD_COMPRESSOR" -9c \
> "livecd.${FSS}.initrd-${SUBARCH}.new"
mv "livecd.${FSS}.initrd-${SUBARCH}.new" \
"livecd.${FSS}.initrd-${SUBARCH}"
fi
done done
NUMKVERS="$(set -- $KVERS; echo $#)" NUMKVERS="$(set -- $KVERS; echo $#)"
if [ "$NUMKVERS" = 1 ]; then if [ "$NUMKVERS" = 1 ]; then