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build/pkg/rootfs/build
David Oberhollenzer 90b2586ea4 Restructure assembly of root filesystem image
Every package now has or generates a rootfs_files.txt containing a list
of files that should be packed into the rootfs, their permissions and
their owner.

This gives us fine grained controll over the owners and permissions of the
rootfs files (by generating a squashfs pseudo file).

In subsequent steps, this allows us to remove the deploy/devdeploy split and
actually simplifiy most of the build scripts.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-06-17 20:22:10 +02:00

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DEPENDS=$(cat_file_merge "ROOTFS" | sort -u)
copy_rootfs_files() {
local pkgdir="$1"
local fname
local dname
cut -d' ' -f1 "$pkgdir/rootfs_files.txt" | while read fname; do
if [ ! -e "./$fname" ]; then
dname=$(dirname $fname)
if [ -d "$pkgdir/$fname" ]; then
mkdir -p "./$fname"
else
[ "$dname" == "." ] || mkdir -p "./$dname";
cp -d "$pkgdir/$fname" "./$fname"
fi
fi
done
}
build() {
local SOURCE="$1"
local DEPLOY="$2"
# setup skeleton
mkdir -pv ${PKGBUILDDIR}/{bin,dev,sys,proc,tmp,run,boot,usr,mnt,share}
mkdir -pv ${PKGBUILDDIR}/cfg/{preserve,overlay}
mkdir -pv ${PKGBUILDDIR}/etc/{profile.d,skel}
mkdir -pv ${PKGBUILDDIR}/var/lib
mkdir -pv ${PKGBUILDDIR}/lib/libexec
cp -r "$SCRIPTDIR/pkg/$PKGNAME/etc" "$PKGBUILDDIR"
cp -r "$SCRIPTDIR/pkg/$PKGNAME/lib" "$PKGBUILDDIR"
cp "$SCRIPTDIR/pkg/$PKGNAME/rootfs_files.txt" "$DEPLOY/pseudo"
# version info
local fname=$(echo "${OS_NAME}-release" | tr '[:upper:]' '[:lower:]')
echo $OS_RELEASE > $PKGBUILDDIR/etc/$fname
echo "etc/$fname m 644 0 0" >> "$DEPLOY/pseudo"
# gather rootfs dependencies
dependencies | tsort | tac | \
grep -v "$PKGNAME" > "$PKGBUILDDIR/etc/packages"
echo "etc/packages m 644 0 0" >> "$DEPLOY/pseudo"
while read pkgname; do
fname="$PKGDEPLOYDIR/$pkgname/rootfs_files.txt"
[ -e "$fname" ] || continue;
copy_rootfs_files "$PKGDEPLOYDIR/$pkgname"
cat "$fname" >> "$DEPLOY/pseudo"
done < "$PKGBUILDDIR/etc/packages"
# setup root home directory
cp -r "$PKGBUILDDIR/etc/skel" "$PKGBUILDDIR/usr/root"
echo "usr/root m 750 0 0" >> "$DEPLOY/pseudo"
find "./usr/root" -exec stat {} --printf="%n m %a 0 0\\n" \; | \
sed 's#^./##g' | tail -n +2 >> "$DEPLOY/pseudo"
# move configuration to preserve directory
mv "$PKGBUILDDIR/etc" "$PKGBUILDDIR/cfg/preserve/etc"
mv "$PKGBUILDDIR/usr" "$PKGBUILDDIR/cfg/preserve/usr"
mv "$PKGBUILDDIR/var/lib" "$PKGBUILDDIR/cfg/preserve/var_lib"
rm -rf "$PKGBUILDDIR/var"
mkdir -p ${PKGBUILDDIR}/{etc,var,usr}
sed -i 's#etc/#cfg/preserve/etc/#g' "$DEPLOY/pseudo"
sed -i 's#var/lib/#cfg/preserve/var_lib/#g' "$DEPLOY/pseudo"
sed -i 's#usr/#cfg/preserve/usr/#g' "$DEPLOY/pseudo"
}
deploy() {
local SOURCE="$1"
local DEPLOY="$2"
mksquashfs "$PKGBUILDDIR" "$DEPLOY/rootfs.img" -comp xz \
-no-progress -no-xattrs -pf "$DEPLOY/pseudo"
rm "$DEPLOY/pseudo"
}
check_update() {
return
}