chore: rootfs pkg

utils/mkinitrd.nix

@@ -7,7 +7,6 @@ pkgs.writeShellApplication {
   name = "mkinitrd";
 
   runtimeInputs = with pkgs; [
-    patchelf
     cpio
     gzip
   ];
@@ -17,56 +16,21 @@ pkgs.writeShellApplication {
     mkdir -p root
     pushd root
 
+    ### copy rootfs
+    cp -prP ${patosPkgs.rootfs}/* .
+    find . -type d -exec chmod 755 {} \;
+
     ### create directories
-    mkdir -p etc dev proc sys tmp root
-    ln -sf usr/bin bin
-    ln -sf usr/bin sbin
-    ln -sf usr/lib lib
-    ln -sf usr/lib lib64
-    ln -sf ../proc/self/mounts etc/mtab
     ln -sf ../usr/lib/systemd/systemd init
 
-    ### install systemd
-    cp -Pr ${patosPkgs.systemd.out}/* ./
-    find . -type d -exec chmod 755 {} \;
-    rm -rf ./usr/include
-    rm -rf ./usr/sbin
     # set default target to basic
     mkdir usr/lib/systemd/system/basic.target.wants
     ln -sf basic.target usr/lib/systemd/system/default.target
-    # remove first boot
-    rm -f usr/lib/systemd/system/sysinit.target.wants/systemd-firstboot.service
-    # remove vconsole setup
-    rm -f usr/lib/udev/rules.d/90-vconsole.rules
 
-    ### install PatOS glibc
-    cp -Pr ${patosPkgs.glibc.out}/lib/*.so* ./usr/lib/
-
-    ### install kernel modules
-    cp -Pr ${patosPkgs.kernel.kernel}/lib/modules ./usr/lib/
-    find usr/lib/modules -type d -exec chmod 755 {} \;
-
-    ### install busybox
-    cp ${pkgs.busybox.out}/bin/busybox ./usr/bin/
-    usr/bin/busybox --list | xargs -I {} ln -sf busybox usr/bin/{}
-
-    ### install dbus broker
-    cp -r ${patosPkgs.dbus-broker.out}/* ./
+    # enable dbus broker
     ln -sf ../dbus-broker.service usr/lib/systemd/system/basic.target.wants/dbus.service
     ln -sf ../dbus.socket usr/lib/systemd/system/sockets.target.wants/dbus.socket
 
-    ### install lib kmod
-    cp -P ${pkgs.kmod.lib}/lib/* ./usr/lib
-    cp -P ${pkgs.kmod.out}/bin/* ./usr/bin
-
-    ### install libbpf
-    cp -P ${pkgs.libbpf.out}/lib/libbpf* ./usr/lib
-
-    ### Find and install all shared libs
-    find . -type f -executable -exec ldd {} \; 2> /dev/null | awk '{print $3}' | grep -v systemd | grep -v glibc | sort -u | xargs cp -t usr/lib
-    find . -type f -executable -exec chmod 755 {} \;
-
-
     ### Create needed files
     echo patos > ./etc/hostname
     cat <<EOF > ./etc/os-release
@@ -152,15 +116,6 @@ pkgs.writeShellApplication {
     EOF
     ln -sf ../demo.service usr/lib/systemd/system/basic.target.wants/demo.service
 
-    # FIXME: ELF patching. Is there a better way?
-    find . -type f -executable -exec patchelf --set-rpath /lib:/usr/lib:/usr/lib/systemd {} \; 2> /dev/null
-    find . -type f -executable -exec patchelf --set-interpreter /lib/ld-linux-x86-64.so.2 {} \; 2> /dev/null
-    patchelf --remove-rpath ./usr/lib/ld-linux-x86-64.so.2
-
-    # strip binaries
-    find . -type f -executable -exec strip {} \; 2> /dev/null
-    find . -type d -exec chmod 755 {} \;
-
     # gen initrd
     find . -print0 | cpio --null --owner=root:root -o --format=newc | gzip -9 > ../initrd.gz