954ecd9644
Co-authored-by: weishu <twsxtd@gmail.com> Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com> Co-authored-by: Ylarod <me@ylarod.cn>
100 lines
2.8 KiB
Bash
100 lines
2.8 KiB
Bash
#!/system/bin/sh
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############################################
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# meta-overlayfs metainstall.sh
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# Module installation hook for ext4 image support
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############################################
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# Constants
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IMG_FILE="/data/adb/metamodule/modules.img"
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MNT_DIR="/data/adb/metamodule/mnt"
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# Ensure ext4 image is mounted
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ensure_image_mounted() {
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if ! mountpoint -q "$MNT_DIR" 2>/dev/null; then
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ui_print "- Mounting modules image"
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mkdir -p "$MNT_DIR"
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mount -t ext4 -o loop,rw,noatime "$IMG_FILE" "$MNT_DIR" || {
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abort "! Failed to mount modules image"
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}
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ui_print "- Image mounted successfully"
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else
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ui_print "- Image already mounted"
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fi
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}
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# Determine whether this module should be moved into the ext4 image.
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# We only relocate payloads that expose system/ overlays and do not opt out via skip_mount.
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module_requires_overlay_move() {
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if [ -f "$MODPATH/skip_mount" ]; then
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ui_print "- skip_mount flag detected; keeping files under /data/adb/modules"
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return 1
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fi
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if [ ! -d "$MODPATH/system" ]; then
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ui_print "- No system/ directory detected; keeping files under /data/adb/modules"
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return 1
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fi
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return 0
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}
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# Copy SELinux contexts from src tree to destination by mirroring each entry.
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copy_selinux_contexts() {
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command -v chcon >/dev/null 2>&1 || return 0
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SRC="$1"
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DST="$2"
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if [ -z "$SRC" ] || [ -z "$DST" ] || [ ! -e "$SRC" ] || [ ! -e "$DST" ]; then
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return 0
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fi
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chcon --reference="$SRC" "$DST" 2>/dev/null || true
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find "$SRC" -print | while IFS= read -r PATH_SRC; do
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if [ "$PATH_SRC" = "$SRC" ]; then
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continue
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fi
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REL_PATH="${PATH_SRC#"${SRC}/"}"
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PATH_DST="$DST/$REL_PATH"
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if [ -e "$PATH_DST" ] || [ -L "$PATH_DST" ]; then
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chcon --reference="$PATH_SRC" "$PATH_DST" 2>/dev/null || true
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fi
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done
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}
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# Post-installation: move partition directories to ext4 image
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post_install_to_image() {
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ui_print "- Copying module content to image"
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set_perm_recursive "$MNT_DIR" 0 0 0755 0644
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MOD_IMG_DIR="$MNT_DIR/$MODID"
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mkdir -p "$MOD_IMG_DIR"
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# Move all partition directories
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for partition in system vendor product system_ext odm oem; do
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if [ -d "$MODPATH/$partition" ]; then
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ui_print "- Copying $partition/"
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cp -af "$MODPATH/$partition" "$MOD_IMG_DIR/" || {
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ui_print "! Warning: Failed to move $partition"
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continue
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}
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copy_selinux_contexts "$MODPATH/$partition" "$MOD_IMG_DIR/$partition"
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fi
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done
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}
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ui_print "- Using meta-overlayfs metainstall"
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install_module
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if module_requires_overlay_move; then
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ensure_image_mounted
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post_install_to_image
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else
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ui_print "- Skipping move to modules image"
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fi
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ui_print "- Installation complete"
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