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[WIP] Rebuild EXT4 images
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@Howard20181
Howard20181 committed Jul 11, 2023
1 parent 21e80a3 commit 40028f1
Showing 1 changed file with 46 additions and 39 deletions.
85 changes: 46 additions & 39 deletions scripts/build.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -158,6 +158,12 @@ vhdx_to_raw_img() {
rm -f "$1" || return 1
}

check_image_type() {
local type
type=$(blkid -o value -s TYPE "$1")
echo "$type"
}

mk_overlayfs() { # label lowerdir upperdir merged
local context own
local workdir="$WORK_DIR/worker/$1"
Expand Down Expand Up @@ -192,12 +198,17 @@ mk_overlayfs() { # label lowerdir upperdir merged
sudo mount -vt overlay overlay -olowerdir="$lowerdir",upperdir="$upperdir",workdir="$workdir" "$merged" || return 1
}

mk_erofs_umount() { # dir imgpath upperdir
sudo "../bin/$HOST_ARCH/mkfs.erofs" -zlz4hc -T1230768000 --chunksize=4096 --exclude-regex="lost+found" "$2".erofs "$1" || abort "Failed to make erofs image from $1"
mk_image_umount() { # dir imgpath upperdir imgtype
echo "mk_image_umount: $*"
if [ "$4" = "erofs" ]; then
sudo "../bin/$HOST_ARCH/mkfs.erofs" -zlz4hc -T1230768000 --chunksize=4096 --exclude-regex="lost+found" "$2"."$4" "$1" || abort "Failed to make image for $1"
elif [ "$4" = "ext4" ]; then
abort "Not yet implemented"
fi
sudo umount -v "$1"
sudo rm -f "$2"
sudo mv "$2".erofs "$2"
if [ "$3" ]; then
sudo mv "$2"."$4" "$2"
if [ -d "$3" ]; then
sudo rm -rf "$3"
fi
}
Expand Down Expand Up @@ -646,33 +657,32 @@ if [[ "$WSA_MAJOR_VER" -ge 2302 ]]; then
vhdx_to_raw_img "$WORK_DIR/wsa/$ARCH/system.vhdx" "$WORK_DIR/wsa/$ARCH/system.img" || abort
vhdx_to_raw_img "$WORK_DIR/wsa/$ARCH/vendor.vhdx" "$WORK_DIR/wsa/$ARCH/vendor.img" || abort
echo -e "Convert vhdx to RAW image done\n"
fi

if [[ "$WSA_MAJOR_VER" -ge 2304 ]]; then
SYSTEMIMAGES_FILE_SYSTEM_TYPE=$(check_image_type "$WORK_DIR/wsa/$ARCH/system.img")
echo "Mount images"
sudo mkdir -p -m 755 "$ROOT_MNT_RO" || abort
sudo chown "0:0" "$ROOT_MNT_RO" || abort
sudo setfattr -n security.selinux -v "u:object_r:rootfs:s0" "$ROOT_MNT_RO" || abort
mount_erofs "$WORK_DIR/wsa/$ARCH/system.img" "$ROOT_MNT_RO" || abort
mount_erofs "$WORK_DIR/wsa/$ARCH/vendor.img" "$VENDOR_MNT_RO" || abort
mount_erofs "$WORK_DIR/wsa/$ARCH/product.img" "$PRODUCT_MNT_RO" || abort
mount_erofs "$WORK_DIR/wsa/$ARCH/system_ext.img" "$SYSTEM_EXT_MNT_RO" || abort
if [ "$SYSTEMIMAGES_FILE_SYSTEM_TYPE" = "ext4" ]; then
sudo mount -vo loop,ro "$WORK_DIR/wsa/$ARCH/system.img" "$ROOT_MNT_RO" || abort
sudo mount -vo loop,ro "$WORK_DIR/wsa/$ARCH/vendor.img" "$VENDOR_MNT_RO" || abort
sudo mount -vo loop,ro "$WORK_DIR/wsa/$ARCH/product.img" "$PRODUCT_MNT_RO" || abort
sudo mount -vo loop,ro "$WORK_DIR/wsa/$ARCH/system_ext.img" "$SYSTEM_EXT_MNT_RO" || abort
elif [ "$SYSTEMIMAGES_FILE_SYSTEM_TYPE" = "erofs" ]; then
mount_erofs "$WORK_DIR/wsa/$ARCH/system.img" "$ROOT_MNT_RO" || abort
mount_erofs "$WORK_DIR/wsa/$ARCH/vendor.img" "$VENDOR_MNT_RO" || abort
mount_erofs "$WORK_DIR/wsa/$ARCH/product.img" "$PRODUCT_MNT_RO" || abort
mount_erofs "$WORK_DIR/wsa/$ARCH/system_ext.img" "$SYSTEM_EXT_MNT_RO" || abort
else
abort "Unknown file system type: $SYSTEMIMAGES_FILE_SYSTEM_TYPE"
fi
echo -e "done\n"
echo "Create overlayfs for EROFS"
echo "Create overlayfs"
mk_overlayfs system "$ROOT_MNT_RO" "$SYSTEM_MNT_RW" "$ROOT_MNT" || abort
mk_overlayfs vendor "$VENDOR_MNT_RO" "$VENDOR_MNT_RW" "$VENDOR_MNT" || abort
mk_overlayfs product "$PRODUCT_MNT_RO" "$PRODUCT_MNT_RW" "$PRODUCT_MNT" || abort
mk_overlayfs system_ext "$SYSTEM_EXT_MNT_RO" "$SYSTEM_EXT_MNT_RW" "$SYSTEM_EXT_MNT" || abort
echo -e "Create overlayfs for EROFS done\n"
elif [[ "$WSA_MAJOR_VER" -ge 2302 ]]; then
echo "Remove read-only flag for read-only EXT4 image"
ro_ext4_img_to_rw "$WORK_DIR/wsa/$ARCH/system_ext.img" || abort
ro_ext4_img_to_rw "$WORK_DIR/wsa/$ARCH/product.img" || abort
ro_ext4_img_to_rw "$WORK_DIR/wsa/$ARCH/system.img" || abort
ro_ext4_img_to_rw "$WORK_DIR/wsa/$ARCH/vendor.img" || abort
echo -e "Remove read-only flag for read-only EXT4 image done\n"
fi
if [[ "$WSA_MAJOR_VER" -lt 2304 ]]; then
echo -e "Create overlayfs done\n"
elif [[ "$WSA_MAJOR_VER" -lt 2302 ]]; then
echo "Calculate the required space"
EXTRA_SIZE=10240

Expand Down Expand Up @@ -906,19 +916,26 @@ if [ "$GAPPS_BRAND" != 'none' ]; then
fi
fi

if [[ "$WSA_MAJOR_VER" -ge 2304 ]]; then
echo "Create EROFS images"
mk_erofs_umount "$VENDOR_MNT" "$WORK_DIR/wsa/$ARCH/vendor.img" "$VENDOR_MNT_RW" || abort
mk_erofs_umount "$PRODUCT_MNT" "$WORK_DIR/wsa/$ARCH/product.img" "$PRODUCT_MNT_RW" || abort
mk_erofs_umount "$SYSTEM_EXT_MNT" "$WORK_DIR/wsa/$ARCH/system_ext.img" "$SYSTEM_EXT_MNT_RW" || abort
mk_erofs_umount "$ROOT_MNT" "$WORK_DIR/wsa/$ARCH/system.img" || abort
echo -e "Create EROFS images done\n"
if [[ "$WSA_MAJOR_VER" -ge 2302 ]]; then
echo "Create system images"
mk_image_umount "$VENDOR_MNT" "$WORK_DIR/wsa/$ARCH/vendor.img" "$VENDOR_MNT_RW" "$SYSTEMIMAGES_FILE_SYSTEM_TYPE" || abort
mk_image_umount "$PRODUCT_MNT" "$WORK_DIR/wsa/$ARCH/product.img" "$PRODUCT_MNT_RW" "$SYSTEMIMAGES_FILE_SYSTEM_TYPE" || abort
mk_image_umount "$SYSTEM_EXT_MNT" "$WORK_DIR/wsa/$ARCH/system_ext.img" "$SYSTEM_EXT_MNT_RW" "$SYSTEMIMAGES_FILE_SYSTEM_TYPE" || abort
mk_image_umount "$ROOT_MNT" "$WORK_DIR/wsa/$ARCH/system.img" "$SYSTEM_MNT_RW" "$SYSTEMIMAGES_FILE_SYSTEM_TYPE" || abort
echo -e "Create system images done\n"
echo "Umount images"
sudo umount -v "$VENDOR_MNT_RO"
sudo umount -v "$PRODUCT_MNT_RO"
sudo umount -v "$SYSTEM_EXT_MNT_RO"
sudo umount -v "$ROOT_MNT_RO"
echo -e "done\n"
echo "Convert images to vhdx"
qemu-img convert -q -f raw -o subformat=fixed -O vhdx "$WORK_DIR/wsa/$ARCH/system_ext.img" "$WORK_DIR/wsa/$ARCH/system_ext.vhdx" || abort
qemu-img convert -q -f raw -o subformat=fixed -O vhdx "$WORK_DIR/wsa/$ARCH/product.img" "$WORK_DIR/wsa/$ARCH/product.vhdx" || abort
qemu-img convert -q -f raw -o subformat=fixed -O vhdx "$WORK_DIR/wsa/$ARCH/system.img" "$WORK_DIR/wsa/$ARCH/system.vhdx" || abort
qemu-img convert -q -f raw -o subformat=fixed -O vhdx "$WORK_DIR/wsa/$ARCH/vendor.img" "$WORK_DIR/wsa/$ARCH/vendor.vhdx" || abort
rm -f "$WORK_DIR/wsa/$ARCH/"*.img || abort
echo -e "Convert images to vhdx done\n"
else
echo "Umount images"
sudo find "$ROOT_MNT" -exec touch -ht 200901010000.00 {} \;
Expand All @@ -935,16 +952,6 @@ else
echo -e "Shrink images done\n"
fi

if [[ "$WSA_MAJOR_VER" -ge 2302 ]]; then
echo "Convert images to vhdx"
qemu-img convert -q -f raw -o subformat=fixed -O vhdx "$WORK_DIR/wsa/$ARCH/system_ext.img" "$WORK_DIR/wsa/$ARCH/system_ext.vhdx" || abort
qemu-img convert -q -f raw -o subformat=fixed -O vhdx "$WORK_DIR/wsa/$ARCH/product.img" "$WORK_DIR/wsa/$ARCH/product.vhdx" || abort
qemu-img convert -q -f raw -o subformat=fixed -O vhdx "$WORK_DIR/wsa/$ARCH/system.img" "$WORK_DIR/wsa/$ARCH/system.vhdx" || abort
qemu-img convert -q -f raw -o subformat=fixed -O vhdx "$WORK_DIR/wsa/$ARCH/vendor.img" "$WORK_DIR/wsa/$ARCH/vendor.vhdx" || abort
rm -f "$WORK_DIR/wsa/$ARCH/"*.img || abort
echo -e "Convert images to vhdx done\n"
fi

echo "Remove signature and add scripts"
sudo rm -rf "${WORK_DIR:?}"/wsa/"$ARCH"/\[Content_Types\].xml "$WORK_DIR/wsa/$ARCH/AppxBlockMap.xml" "$WORK_DIR/wsa/$ARCH/AppxSignature.p7x" "$WORK_DIR/wsa/$ARCH/AppxMetadata" || abort
cp "$vclibs_PATH" "$xaml_PATH" "$WORK_DIR/wsa/$ARCH" || abort
Expand Down

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