4 files changed, 23 insertions, 7 deletions

diff --git a/scripts/lib/wic/help.py b/scripts/lib/wic/help.py
index bd3a2b97df..991e5094bb 100644
--- a/scripts/lib/wic/help.py
+++ b/scripts/lib/wic/help.py
@@ -930,6 +930,7 @@ DESCRIPTION
              ext4
              btrfs
              squashfs
+             erofs
              swap
 
          --fsoptions: Specifies a free-form string of options to be
diff --git a/scripts/lib/wic/ksparser.py b/scripts/lib/wic/ksparser.py
index 3eb669da39..7a4cc83af5 100644
--- a/scripts/lib/wic/ksparser.py
+++ b/scripts/lib/wic/ksparser.py
@@ -157,7 +157,8 @@ class KickStart():
         part.add_argument('--fsoptions', dest='fsopts')
         part.add_argument('--fstype', default='vfat',
                           choices=('ext2', 'ext3', 'ext4', 'btrfs',
-                                   'squashfs', 'vfat', 'msdos', 'swap'))
+                                   'squashfs', 'vfat', 'msdos', 'erofs',
+                                   'swap'))
         part.add_argument('--mkfs-extraopts', default='')
         part.add_argument('--label')
         part.add_argument('--use-label', action='store_true')
@@ -229,6 +230,10 @@ class KickStart():
                                 err = "%s:%d: SquashFS does not support LABEL" \
                                        % (confpath, lineno)
                                 raise KickStartError(err)
+                        # erofs does not support filesystem labels
+                        if parsed.fstype == 'erofs' and parsed.label:
+                            err = "%s:%d: erofs does not support LABEL" % (confpath, lineno)
+                            raise KickStartError(err)
                         if parsed.fstype == 'msdos' or parsed.fstype == 'vfat':
                             if parsed.fsuuid:
                                 if parsed.fsuuid.upper().startswith('0X'):
diff --git a/scripts/lib/wic/partition.py b/scripts/lib/wic/partition.py
index 76d144d12d..e0b2c5bdf2 100644
--- a/scripts/lib/wic/partition.py
+++ b/scripts/lib/wic/partition.py
@@ -141,9 +141,9 @@ class Partition():
                                             native_sysroot)
                 self.source_file = "%s/fs.%s" % (cr_workdir, self.fstype)
             else:
-                if self.fstype == 'squashfs':
-                    raise WicError("It's not possible to create empty squashfs "
-                                   "partition '%s'" % (self.mountpoint))
+                if self.fstype in ('squashfs', 'erofs'):
+                    raise WicError("It's not possible to create empty %s "
+                                   "partition '%s'" % (self.fstype, self.mountpoint))
 
                 rootfs = "%s/fs_%s.%s.%s" % (cr_workdir, self.label,
                                              self.lineno, self.fstype)
@@ -369,6 +369,16 @@ class Partition():
                        (rootfs_dir, rootfs, extraopts)
         exec_native_cmd(squashfs_cmd, native_sysroot, pseudo=pseudo)
 
+    def prepare_rootfs_erofs(self, rootfs, cr_workdir, oe_builddir, rootfs_dir,
+                             native_sysroot, pseudo):
+        """
+        Prepare content for a erofs rootfs partition.
+        """
+        extraopts = self.mkfs_extraopts or ''
+        erofs_cmd = "mkfs.erofs %s -U %s %s %s" % \
+                       (extraopts, self.fsuuid, rootfs, rootfs_dir)
+        exec_native_cmd(erofs_cmd, native_sysroot, pseudo=pseudo)
+
     def prepare_empty_partition_ext(self, rootfs, oe_builddir,
                                     native_sysroot):
         """
diff --git a/scripts/lib/wic/plugins/source/rawcopy.py b/scripts/lib/wic/plugins/source/rawcopy.py
index 3c4997d8ba..fa7b1eb8ac 100644
--- a/scripts/lib/wic/plugins/source/rawcopy.py
+++ b/scripts/lib/wic/plugins/source/rawcopy.py
@@ -29,9 +29,9 @@ class RawCopyPlugin(SourcePlugin):
             cmd = 'btrfs filesystem label %s %s' % (dst, label)
         elif fstype == 'swap':
             cmd = 'mkswap -L %s %s' % (label, dst)
-        elif fstype == 'squashfs':
-            raise WicError("It's not possible to update a squashfs "
-                           "filesystem label '%s'" % (label))
+        elif fstype in ('squashfs', 'erofs'):
+            raise WicError("It's not possible to update a %s "
+                           "filesystem label '%s'" % (fstype, label))
         else:
             raise WicError("Cannot update filesystem label: "
                            "Unknown fstype: '%s'" % (fstype))