EROFS mount using fuse (#553)

Get rid of kernel support of EROFS
Pre-build `erofs-utils` from https://github.com/sekaiacg/erofs-utils/releases/tag/v1.6-230502
Since it is statically linked, so binary build for Android also works for other platforms.
x86_64 using [erofs-utils-v1.6-g689372cd-Linux_x86_64-2305022024.zip](https://github.com/sekaiacg/erofs-utils/releases/download/v1.6-230502/erofs-utils-v1.6-g689372cd-Linux_x86_64-2305022024.zip)
aarch64 using [erofs-utils-v1.6-g689372cd-Android_arm64-v8a-2305022023.zip](https://github.com/sekaiacg/erofs-utils/releases/download/v1.6-230502/erofs-utils-v1.6-g689372cd-Android_arm64-v8a-2305022023.zip)

Fix #535
Close #552

docs/README.md

@@ -9,8 +9,8 @@
   The following dependencies are required:
 
   | DistrOS             |                                                                                |            |              |                    |
-  |:-------------------:|--------------------------------------------------------------------------------------------|------------|--------------|--------------------|
+  |:-------------------:|--------------------------------------------------------------------------------|------------|--------------|--------------------|
-  | Debian              | `lzip patchelf e2fsprogs python3 python3-pip aria2 p7zip-full attr unzip sudo erofs-utils` | `whiptail` | `qemu-utils` | `python3-venv`     |
+  | Debian              | `lzip patchelf e2fsprogs python3 python3-pip aria2 p7zip-full attr unzip sudo` | `whiptail` | `qemu-utils` | `python3-venv`     |
   | openSUSE Tumbleweed | Same as above                                                                  | `dialog`   | `qemu-tools` | `python3-venvctrl` |
 
   The python3 library `requests` is used.
@@ -176,6 +176,7 @@
 - [The Open GApps Project](https://opengapps.org): One of the most famous Google Apps packages solution
 - [WSA-Kernel-SU](https://github.com/LSPosed/WSA-Kernel-SU) and [kernel-assisted-superuser](https://git.zx2c4.com/kernel-assisted-superuser/): The kernel `su` for debugging Magisk Integration
 - [WSAGAScript](https://github.com/ADeltaX/WSAGAScript): The first GApps integration script for WSA
+- [erofs-utils](https://github.com/sekaiacg/erofs-utils): Pre-build `erofs-utils` with erofsfuse enabled
 
 _The repository is provided as a utility._
 

scripts/build.sh

@@ -52,14 +52,15 @@ declare -A MERGED_PARTITION=(["zsystem"]="$ROOT_MNT" ["vendor"]="$VENDOR_MNT" ["
 DOWNLOAD_DIR=../download
 DOWNLOAD_CONF_NAME=download.list
 PYTHON_VENV_DIR="$(dirname "$PWD")/python3-env"
+EROFS_USE_FUSE=1
 umount_clean() {
     if [ -d "$ROOT_MNT" ] || [ -d "$ROOT_MNT_RO" ]; then
         echo "Cleanup Mount Directory"
         for PART in "${LOWER_PARTITION[@]}"; do
-            [ -d "$PART" ] && sudo umount -v "$PART"
+            sudo umount -v "$PART"
         done
         for PART in "${MERGED_PARTITION[@]}"; do
-            [ -d "$PART" ] && sudo umount -v "$PART"
+            sudo umount -v "$PART"
         done
         sudo rm -rf "${WORK_DIR:?}"
     else
@@ -188,7 +189,7 @@ mk_overlayfs() {
 }
 
 mk_erofs_umount() {
-    sudo mkfs.erofs -zlz4hc -T1230768000 --chunksize=4096 --exclude-regex="lost+found" "$2".erofs "$1" || abort "Failed to make erofs image from $1"
+    sudo "../bin/$HOST_ARCH/mkfs.erofs" -zlz4hc -T1230768000 --chunksize=4096 --exclude-regex="lost+found" "$2".erofs "$1" || abort "Failed to make erofs image from $1"
     sudo umount -v "$1"
     sudo rm -f "$2"
     sudo mv "$2".erofs "$2"
@@ -201,6 +202,14 @@ ro_ext4_img_to_rw() {
     return 0
 }
 
+mount_erofs() {
+    if [ "$EROFS_USE_FUSE" ]; then
+        sudo "../bin/$HOST_ARCH/fuse.erofs" "$1" "$2" || return 1
+    else
+        sudo mount -v -t erofs -o ro,loop "$1" "$2" || return 1
+    fi
+}
+
 # workaround for Debian
 # In Debian /usr/sbin is not in PATH and some utilities in there are in use
 [ -d /usr/sbin ] && export PATH="/usr/sbin:$PATH"
@@ -631,15 +640,16 @@ if [[ "$WSA_MAIN_VER" -ge 2302 ]]; then
     vhdx_to_raw_img "$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_MAIN_VER" -ge 2304 ]]; then
     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" "$ROOT_MNT_RO" || abort
-    sudo mount -v -t erofs -o loop "$WORK_DIR/wsa/$ARCH/system.img" "$ROOT_MNT_RO" || abort
+    mount_erofs "$WORK_DIR/wsa/$ARCH/system.img" "$ROOT_MNT_RO" || abort
-    sudo mount -v -t erofs -o loop "$WORK_DIR/wsa/$ARCH/vendor.img" "$VENDOR_MNT_RO" || abort
+    mount_erofs "$WORK_DIR/wsa/$ARCH/vendor.img" "$VENDOR_MNT_RO" || abort
-    sudo mount -v -t erofs -o loop "$WORK_DIR/wsa/$ARCH/product.img" "$PRODUCT_MNT_RO" || abort
+    mount_erofs "$WORK_DIR/wsa/$ARCH/product.img" "$PRODUCT_MNT_RO" || abort
-    sudo mount -v -t erofs -o loop "$WORK_DIR/wsa/$ARCH/system_ext.img" "$SYSTEM_EXT_MNT_RO" || abort
+    mount_erofs "$WORK_DIR/wsa/$ARCH/system_ext.img" "$SYSTEM_EXT_MNT_RO" || abort
     echo -e "done\n"
     echo "Create overlayfs for EROFS"
     mk_overlayfs "$ROOT_MNT_RO" system "$ROOT_MNT" || abort 

scripts/install_deps.sh

@@ -37,6 +37,7 @@ require_su() {
         fi
     fi
 }
+
 echo "Checking and ensuring dependencies"
 check_dependencies() {
     command -v whiptail >/dev/null 2>&1 || command -v dialog >/dev/null 2>&1 || NEED_INSTALL+=("whiptail")
@@ -50,7 +51,6 @@ check_dependencies() {
     command -v unzip >/dev/null 2>&1 || NEED_INSTALL+=("unzip")
     command -v qemu-img >/dev/null 2>&1 || NEED_INSTALL+=("qemu-utils")
     command -v sudo >/dev/null 2>&1 || NEED_INSTALL+=("sudo")
-    command -v mkfs.erofs >/dev/null 2>&1 || NEED_INSTALL+=("erofs-utils")
 }
 check_dependencies
 osrel=$(sed -n '/^ID_LIKE=/s/^.*=//p' /etc/os-release)