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-rw-r--r--apexer/Android.bp1
-rw-r--r--apexer/apexer.py35
-rwxr-xr-xapexer/runtests.sh2
3 files changed, 35 insertions, 3 deletions
diff --git a/apexer/Android.bp b/apexer/Android.bp
index 271e678..9dd917e 100644
--- a/apexer/Android.bp
+++ b/apexer/Android.bp
@@ -25,6 +25,7 @@ apexer_tools = [
"zipalign",
"make_f2fs",
"sload_f2fs",
+ "make_erofs",
// TODO(b/124476339) apex doesn't follow 'required' dependencies so we need to include this
// manually for 'avbtool'.
"fec",
diff --git a/apexer/apexer.py b/apexer/apexer.py
index 5d4d5c2..5a5183b 100644
--- a/apexer/apexer.py
+++ b/apexer/apexer.py
@@ -31,6 +31,7 @@ import sys
import tempfile
import uuid
import xml.etree.ElementTree as ET
+import glob
from apex_manifest import ValidateApexManifest
from apex_manifest import ApexManifestError
from manifest import android_ns
@@ -105,8 +106,8 @@ def ParseArgs(argv):
metavar='FS_TYPE',
required=False,
default='ext4',
- choices=['ext4', 'f2fs'],
- help='type of filesystem being used for payload image "ext4" or "f2fs"')
+ choices=['ext4', 'f2fs', 'erofs'],
+ help='type of filesystem being used for payload image "ext4", "f2fs" or "erofs"')
parser.add_argument(
'--override_apk_package_name',
required=False,
@@ -588,6 +589,36 @@ def CreateApex(args, work_dir):
# TODO(b/158453869): resize the image file to save space
+ elif args.payload_fs_type == 'erofs':
+ # mkfs.erofs doesn't support multiple input
+ tmp_input_dir = os.path.join(work_dir, 'tmp_input_dir')
+ os.mkdir(tmp_input_dir)
+ cmd = ['/bin/cp', '-ra']
+ cmd.extend(glob.glob(manifests_dir + '/*'))
+ cmd.extend(glob.glob(args.input_dir + '/*'))
+ cmd.append(tmp_input_dir)
+ RunCommand(cmd, args.verbose)
+
+ cmd = ['make_erofs']
+ cmd.extend(['-z', 'lz4hc'])
+ cmd.extend(['--fs-config-file', args.canned_fs_config])
+ cmd.extend(['--file-contexts', args.file_contexts])
+ uu = str(uuid.uuid5(uuid.NAMESPACE_URL, 'www.android.com'))
+ cmd.extend(['-U', uu])
+ cmd.extend(['-T', '0'])
+ cmd.extend([img_file, tmp_input_dir])
+ RunCommand(cmd, args.verbose)
+ shutil.rmtree(tmp_input_dir)
+
+ # The minimum image size of erofs is 4k, which will cause an error
+ # when execute generate_hash_tree in avbtool
+ cmd = ["/bin/ls", "-lgG", img_file]
+ output, _ = RunCommand(cmd, verbose=False)
+ image_size = int(output.split()[2])
+ if image_size == 4096:
+ cmd = ["/usr/bin/fallocate", "-l", "8k", img_file]
+ RunCommand(cmd, verbose=False)
+
if args.unsigned_payload_only:
shutil.copyfile(img_file, args.output)
if (args.verbose):
diff --git a/apexer/runtests.sh b/apexer/runtests.sh
index 201270e..5121122 100755
--- a/apexer/runtests.sh
+++ b/apexer/runtests.sh
@@ -28,7 +28,7 @@ m -j apexer
export APEXER_TOOL_PATH="${ANDROID_BUILD_TOP}/out/soong/host/linux-x86/bin:${ANDROID_BUILD_TOP}/prebuilts/sdk/tools/linux/bin"
PATH+=":${ANDROID_BUILD_TOP}/prebuilts/sdk/tools/linux/bin"
-for fs_type in ext4 f2fs
+for fs_type in ext4 f2fs erofs
do
input_dir=$(mktemp -d)
output_dir=$(mktemp -d)