binaries handling
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d26d26d044
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4
config
4
config
@ -15,10 +15,10 @@ rootfstype="ext4"
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rootflags=""
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rootflags=""
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# drivers
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# drivers
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drivers="crc32c_generic libcrc32c ext4 virtio-scsi virtio-pci sd-mod"
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drivers="ext4 virtio-scsi virtio-pci sd-mod"
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# binaries
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# binaries
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#binaries="sh findfs mount switch_root modprobe umount busybox.static"
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binaries="findfs mount modprobe umount"
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# LVM support
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# LVM support
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#use_lvm=0
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#use_lvm=0
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50
generate
50
generate
@ -22,38 +22,56 @@ kernel="$(uname -r)"
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moddir="/lib/modules"
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moddir="/lib/modules"
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# structure
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# structure
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for d in bin dev etc lib/modules mnt/root proc root sys; do
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for d in bin dev etc usr/lib usr/bin mnt/root proc root sys; do
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mkdir -p "$tmpdir/$d"
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mkdir -p "$tmpdir/$d"
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done
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done
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#ln -rs "$tmpdir/usr/lib" "$tmpdir/lib"
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#ln -rs "$tmpdir/usr/lib" "$tmpdir/lib64"
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#ln -rs "$tmpdir/usr/bin" "$tmpdir/bin"
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# TODO parse fstab | parse crypttab
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# make libraries and binaries happy
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ln -rs "$tmpdir/usr/lib" "$tmpdir/lib"
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ln -rs "$tmpdir/usr/lib" "$tmpdir/lib64"
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ln -rs "$tmpdir/usr/lib" "$tmpdir/lib32"
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ln -rs "$tmpdir/usr/bin" "$tmpdir/bin"
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ln -rs "$tmpdir/usr/bin" "$tmpdir/sbin"
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# TODO parse fstab | crypttab
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#while [ "$use_fstab" -eq 1 ] && read fs dir type opts; do thing; done < /etc/fstab
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#while [ "$use_fstab" -eq 1 ] && read fs dir type opts; do thing; done < /etc/fstab
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# TODO rewrite drivers installing | handle $drivers config var
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# TODO rewrite drivers installing | handle $drivers config var
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# install drivers
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# install drivers
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find "$moddir/$kernel/kernel/drivers/virtio" "$moddir/$kernel/kernel/arch" "$moddir/$kernel/kernel/crypto" "$moddir/$kernel/kernel/fs" "$moddir/$kernel/kernel/lib" "$moddir/$kernel/kernel/drivers/block" "$moddir/$kernel/kernel/drivers/ata" "$moddir/$kernel/kernel/drivers/md" "$moddir/$kernel/kernel/drivers/scsi" "$moddir/$kernel/kernel/drivers/usb/storage" "$moddir/$kernel/kernel/drivers/usb/host" -type f -exec cp --parents "{}" "$tmpdir" ";"
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find "$moddir/$kernel/kernel/drivers/virtio" "$moddir/$kernel/kernel/arch" "$moddir/$kernel/kernel/crypto" "$moddir/$kernel/kernel/fs" "$moddir/$kernel/kernel/lib" "$moddir/$kernel/kernel/drivers/block" "$moddir/$kernel/kernel/drivers/ata" "$moddir/$kernel/kernel/drivers/md" "$moddir/$kernel/kernel/drivers/scsi" "$moddir/$kernel/kernel/drivers/usb/storage" "$moddir/$kernel/kernel/drivers/usb/host" -type f -exec cp --parents "{}" "$tmpdir" ";"
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cp "$moddir/$kernel/modules.builtin" "$moddir/$kernel/modules.order" "$tmpdir/$moddir/$kernel"
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cp "$moddir/$kernel/modules.softdep" "$moddir/$kernel/modules.builtin" "$moddir/$kernel/modules.order" "$tmpdir/$moddir/$kernel"
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# temporary workaround
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# create modules.* files
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./busybox depmod -b "$tmpdir" "$kernel"
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depmod -b "$tmpdir" "$kernel"
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# TODO rewrite binaries installing | handle $binaries config var
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# install binaries
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# install binaries
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#for b in $(echo "$binaries"); do
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for b in $(echo $binaries); do
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#mkdir -p "$tmpdir/usr/bin"
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cp "$(which $b)" "$tmpdir/usr/bin/$b" && chmod +x "$tmpdir/usr/bin/$b"
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#mkdir -p "$tmpdir/usr/lib"
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# check statically linking
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#cp -n "/lib/ld-linux-x86-64.so.2" "$tmpdir/usr/lib" && strip -s "$tmpdir/usr/lib/ld-linux-x86-64.so.2"
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ldd "$(which $b)" >/dev/null || continue
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#cp "$(which $b)" "$tmpdir/usr/bin"
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#ldd "$(which $b)" | grep '=> /' | awk '{print $3}' | xargs -I '{}' cp -n '{}' "$tmpdir/usr/lib"
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# handle .so symlinks for dymanically linked binaries
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#done
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for l in $(ldd "$(which $b)" | sed -nre 's,.* (/.*lib.*/.*.so.*) .*,\1,p' -e 's,.*(/lib.*/ld.*.so.*) .*,\1,p'); do
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if [ -h "$l" ]; then
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# regular
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cp -n --parents "$(readlink -f $l)" "$tmpdir"
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# symlink
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cp -n -a --parents "$l" "$tmpdir"
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else
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cp -n --parents "$(readlink -f $l)" "$tmpdir"
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fi
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done
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done
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# install files
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# install files
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cp ./init "$tmpdir/init" && chmod +x "$tmpdir/init"
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cp ./init "$tmpdir/init" && chmod +x "$tmpdir/init"
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cp ./busybox "$tmpdir/bin/busybox" && chmod +x "$tmpdir/bin/busybox"
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cp ./busybox "$tmpdir/bin/busybox" && chmod +x "$tmpdir/bin/busybox"
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# strip binaries and libraries
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# uncomment this if your initramfs are huge
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#find "$tmpdir" -type f -executable -exec strip -s "{}" ";"
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# initialize config
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cat <<EOF > "$tmpdir/config"
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cat <<EOF > "$tmpdir/config"
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root="$root"
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root="$root"
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rootfstype="$rootfstype"
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rootfstype="$rootfstype"
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