initial luks support

generate

@@ -28,7 +28,7 @@ fi
 tmpdir="$(mktemp -d /tmp/initramfs.XXXXXXXX)"
 kernel="$(uname -r)"
 moddir="/lib/modules"
-binaries="./busybox udevd udevadm mount modprobe umount $binaries"
+binaries="./busybox findfs blkid udevd udevadm mount modprobe umount $binaries"
 
 # structure
 for d in dev var run etc usr/lib usr/bin mnt/root proc root sys; do
@@ -49,6 +49,7 @@ done
 # TODO parse fstab | crypttab
 #while [ "$use_fstab" -eq 1 ] && read fs dir type opts; do thing; done < /etc/fstab
 
+# TODO implement busybox mdev/mdevd
 # install mdev
 #mkdir "$tmpdir/usr/lib/mdev"
 #cp ./mdev/mdev.conf ./mdev/passwd ./mdev/group "$tmpdir/etc"
@@ -79,21 +80,39 @@ find "/usr/lib/udev" -type f | grep -v "rc_keymaps\|hwdb.d" | cpio -pd "$tmpdir"
 #nobody:x:99:99::/dev/null:/bin/false
 #EOF
 
-# TODO implement use_lvmconf
 # handle lvm
 if [ "$use_lvm" = 1 ] && [ -x "$(command -v lvm)" ]; then
     binaries="lvm dmsetup $binaries"
     mkdir "$tmpdir/etc/lvm"
+
+    # avoid lvmetad warning message
     echo "use_lvmetad = 0" >> "$tmpdir/etc/lvm/lvm.conf"
+
     if [ "$lvm_discard" = 1 ]; then
 	echo "issue_discards = 1" >> "$tmpdir/etc/lvm/lvm.conf"
     fi
+    # TODO implement use_lvmconf
 fi
 
-# TODO handle luks
-#if [ "$use_luks" = 1 ] && [ -x "$(command -v cryptsetup)" ]; then
-#    binaries="cryptsetup $binaries"
-#fi
+# handle luks
+if [ "$use_luks" = 1 ] && [ -x "$(command -v cryptsetup)" ]; then
+    binaries="cryptsetup dmsetup $binaries"
+
+    # avoid locking directory missing warning message
+    mkdir "$tmpdir/run/cryptsetup"
+
+    # TODO get rid of this workaround
+    # workaround for luks2
+    cp "$(readlink -f libgcc_s.so.1)" "$tmpdir/usr/lib"
+    cp -a /usr/lib/libgcc_s.so.1 "$tmpdir/usr/lib"
+
+    if [ "$luks_discard" = 1 ]; then
+	luks_args="--allow-discards $luks_args"
+    fi
+
+    # TODO detached header
+    # TODO keyfile
+fi
 
 # TODO rewrite drivers installing | handle $drivers config var
 # install drivers
@@ -162,17 +181,20 @@ chmod +x "$tmpdir/init"
 # initialize config
 cat <<EOF > "$tmpdir/config"
 root="$root"
-rootfstype="$rootfstype"
-rootflags="$rootflags"
-drivers="$drivers"
-#use_lvm="$use_lvm"
-#lvm_discard="$lvm_discard"
-#use_luks="$use_luks"
-#luks_header="$luks_header"
-#luks_keyfile="$luks_keyfile"
-#luks_discard="$luks_discard"
+root_type="$root_type"
+root_args="$root_args"
+#drivers="$drivers"
+use_lvm="$use_lvm"
+lvm_discard="$lvm_discard"
+use_luks="$use_luks"
+luks_root="$luks_root"
+luks_header="$luks_header"
+luks_keyfile="$luks_keyfile"
+luks_discard="$luks_discard"
+luks_args="$luks_args"
 EOF
 
+# TODO add another compession tools
 # packing
 if ! ( cd "$tmpdir" && find . | cpio --create --verbose --format=newc | gzip --best ) > "./initramfs-$kernel.img.gz" 2>/dev/null; then
     echo "failed"