patos/rootfs/mkrootfs.sh

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2025-02-21 12:22:21 +01:00
set -ex -o pipefail
mkdir -p $out
mkdir -p $out/etc $out/dev $out/proc $out/sys $out/tmp $out/root
ln -sf ../usr/bin $out/bin
ln -sf ../usr/bin $out/sbin
ln -sf ../usr/lib $out/lib
ln -sf ../usr/lib $out/lib64
ln -sf ../proc/self/mounts $out/etc/mtab
### install systemd
echo "Installing systemd"
cp -Pr $systemd/* $out/
find $out -type d -exec chmod 755 {} \;
rm -rf $out/usr/include
rm -rf $out/usr/sbin
rm -f $out/usr/lib/systemd/system/sysinit.target.wants/systemd-firstboot.service
# remove vconsole setup
rm -f $out/usr/lib/udev/rules.d/90-vconsole.rules
### install PatOS glibc
cp -P $glibcPatos/lib/*.so* $out/usr/lib/
### install kernel modules
cp -r $kernel/lib/modules $out/usr/lib/
find $out/usr/lib/modules -type d -exec chmod 755 {} \;
### install busybox
cp $busybox/bin/busybox $out/usr/bin/
$out/usr/bin/busybox --list | xargs -I {} ln -sf busybox $out/usr/bin/{}
### install dbus broker
cp -r $dbusBroker/* $out/
### install lib kmod
cp -P $kmodLibs/lib/* $out/usr/lib
cp -P $kmodBin/bin/* $out/usr/bin
### install libbpf
cp -P $libbpf/lib/libbpf* $out/usr/lib
### Find and install all shared libs
find $out -type f -executable -exec ldd {} \; | awk '{print $3}' | grep -v systemd | grep -v glibc | sort -u | xargs cp -t $out/usr/lib
find $out -type f -executable -exec chmod 755 {} \;
# FIXME: ELF patching. Is there a better way?
find $out -type f -executable -exec patchelf --set-rpath /lib:/usr/lib:/usr/lib/systemd {} \;
find $out -type f -executable -exec patchelf --set-interpreter /lib/ld-linux-x86-64.so.2 {} \;
patchelf --remove-rpath $out/usr/lib/ld-linux-x86-64.so.2
# strip binaries
find $out -type f -executable -exec strip {} \;
find $out -type d -exec chmod 755 {} \;