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gnomeos: Make run script transparently update existing FS image 

This is noticeably faster.
This commit is contained in:
Colin Walters 2011-12-04 14:56:21 -05:00
parent 26de73ea55
commit f812720fc6
1 changed files with 41 additions and 33 deletions
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74
gnomeos/yocto/gnomeos-run.sh
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@ -49,42 +49,50 @@ if (! test -f ${OBJ}); then
rm -f ${OBJ}.tmp rm -f ${OBJ}.tmp
qemu-img create ${OBJ}.tmp 2G qemu-img create ${OBJ}.tmp 2G
mkfs.ext3 -q -F ${OBJ}.tmp mkfs.ext3 -q -F ${OBJ}.tmp
mkdir -p fs
umount fs || true
mount -o loop ${OBJ}.tmp fs
cd fs
TOPROOT_BIND_MOUNTS="home root tmp"
for d in $TOPROOT_BIND_MOUNTS; do
mkdir -m 0755 $d
done
chmod a=rwxt tmp
mkdir ostree
mkdir -p -m 0755 ./ostree/var/{log,run,tmp,spool}
cd ostree
mkdir repo
ostree --repo=repo init
ostree --repo=${OSTREE_REPO} local-clone repo
for branch in base dev; do
rev=$(ostree --repo=repo rev-parse ${BRANCH_PREFIX}${branch});
ostree --repo=repo checkout ${rev} ${BRANCH_PREFIX}${branch}-${rev}
ln -s ${BRANCH_PREFIX}${branch}-${rev} ${BRANCH_PREFIX}${branch}-current
done
cd ..
mkdir proc # needed for ostree-init
cp -a ./ostree/${BRANCH_PREFIX}base-current/usr/sbin/ostree-init .
cd ${WORKDIR}
umount fs
rmdir fs
mv ${OBJ}.tmp ${OBJ} mv ${OBJ}.tmp ${OBJ}
fi fi
mkdir -p fs
umount fs || true
sleep 1 # Avoid Linux kernel bug, pretty sure it's the new RCU pathname lookup
mount -o loop gnomeos-fs.img fs
cd fs
TOPROOT_BIND_MOUNTS="home root tmp"
for d in $TOPROOT_BIND_MOUNTS; do
if ! test -d $d; then
mkdir -m 0755 $d
fi
done
chmod a=rwxt tmp
if ! test -d ostree; then
mkdir ostree
mkdir -p -m 0755 ./ostree/var/{log,run,tmp,spool}
mkdir ostree/repo
ostree --repo=ostree/repo init
fi
cd ostree
ostree --repo=${OSTREE_REPO} local-clone repo
for branch in base dev; do
rev=$(ostree --repo=repo rev-parse ${BRANCH_PREFIX}${branch});
if ! test -d ${BRANCH_PREFIX}${branch}-${rev}; then
ostree --repo=repo checkout ${rev} ${BRANCH_PREFIX}${branch}-${rev}
fi
ln -sf ${BRANCH_PREFIX}${branch}-${rev} ${BRANCH_PREFIX}${branch}-current
done
cd ..
test -d proc || mkdir proc # needed for ostree-init
cp -a ./ostree/${BRANCH_PREFIX}base-current/usr/sbin/ostree-init .
cd ${WORKDIR}
umount fs
rmdir fs
ARGS="$@" ARGS="$@"
if ! echo $ARGS | grep -q 'init='; then if ! echo $ARGS | grep -q 'init='; then
ARGS="init=/ostree-init $ARGS" ARGS="init=/ostree-init $ARGS"