From 9af25763c76918adfcf768156e697d99cbb901cd Mon Sep 17 00:00:00 2001
From: Sangam Kumar Shrestha <2shrestha22@gmail.com>
Date: Thu, 22 Dec 2022 22:19:25 +0545
Subject: [PATCH] Update script (#1)

* update script

* update readme

* update addon.d script to v3
---
 .vscode/launch.json                           |  14 ++
 README.md                                     |  11 +-
 build.sh                                      |   2 +
 .../META-INF/com/google/android/update-binary | 201 +++++++++++++++---
 ...dialer-rro.sh => 20-lineage-dialer-rro.sh} |  19 +-
 .../vendor/overlay/lineage-dialer-rro.apk     | Bin
 6 files changed, 204 insertions(+), 43 deletions(-)
 create mode 100644 .vscode/launch.json
 create mode 100755 build.sh
 mode change 100644 => 100755 flashable/META-INF/com/google/android/update-binary
 rename flashable/system/addon.d/{99-lineage-dialer-rro.sh => 20-lineage-dialer-rro.sh} (56%)
 rename flashable/{ => system}/vendor/overlay/lineage-dialer-rro.apk (100%)

diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..744b214
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,14 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "bashdb",
+            "request": "launch",
+            "name": "Bash-Debug (simplest configuration)",
+            "program": "${file}"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/README.md b/README.md
index 5a3dc29..5ccfdd3 100644
--- a/README.md
+++ b/README.md
@@ -48,15 +48,20 @@ Align the APK.
 * After all the files have been copied, reboot the device:  
 `adb reboot`
 
-### Installation with Flashable zip (not tested/recommended)
+### Installation with Flashable zip
 * Create zip:  
 `7za a -tzip -r lineage-dialer-rro.zip ./flashable/*`
 
 * Sign:  
 `java -jar ./bin/zipsigner.jar lineage-dialer-rro.zip lineage-dialer-rro-signed.zip`
 
+* Reboot to sideload mode:  
+`adb reboot sideload`
+
+* Sideload zip:  
+`adb sideload lineage-dialer-rro-signed.zip`
 
 ## Resources:
-update-binary: https://github.com/arovlad/bromite-webview-overlay
+update-binary: MindTheGapps (http://downloads.codefi.re/jdcteam/javelinanddart/gapps)
 
-zip-signer: https://forum.xda-developers.com/t/dev-template-complete-shell-script-flashable-zip-replacement-signing-script.2934449/
+zipsigner: https://github.com/topjohnwu/Magisk/tree/v20.4/signing, https://forum.xda-developers.com/t/dev-template-complete-shell-script-flashable-zip-replacement-signing-script.2934449/
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..944cb33
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,2 @@
+7za a -tzip -r lineage-dialer-rro.zip ./flashable/*
+java -jar ./bin/zipsigner.jar lineage-dialer-rro.zip lineage-dialer-rro-signed.zip
\ No newline at end of file
diff --git a/flashable/META-INF/com/google/android/update-binary b/flashable/META-INF/com/google/android/update-binary
old mode 100644
new mode 100755
index 15e43d1..45adb6e
--- a/flashable/META-INF/com/google/android/update-binary
+++ b/flashable/META-INF/com/google/android/update-binary
@@ -1,46 +1,185 @@
 #!/sbin/sh
 
-# Exit immediately if the device is not Treble-enabled
-if [ ! $(getprop ro.treble.enabled) ]
-    then echo -e "ui_print Your device is not Treble-enabled!" >> /proc/self/fd/${2}
-    exit 1
+# SCRIPT FROM MINDTHEGAPPS FLASHABLE ZIP
+
+OUTFD="/proc/self/fd/$2"
+ZIP=$3
+
+set_con() {
+  chcon -h u:object_r:"$1":s0 $2
+  chcon u:object_r:"$1":s0 $2
+}
+
+set_perm() {
+  chmod $1 $2
+}
+
+set_owner() {
+  chown $1:$2 $3
+}
+
+ui_print() {
+  echo "ui_print $1" > "$OUTFD";
+  echo "ui_print" > "$OUTFD";
+}
+
+cleanup() {
+  ui_print "Cleaning up files"
+  rm -rf $TMP/system
+  rm -rf $TMP/bin
+
+  ui_print "Unmounting partitions"
+  umount -l "$SYSTEM_MNT"
+  umount -l /vendor || true
+}
+
+error() {
+  ui_print "$1"
+  cleanup
+  exit 1
+}
+
+error_mounting() {
+  error "Could not mount $1! Aborting"
+}
+
+get_block_for_mount_point() {
+  grep -v "^#" /etc/recovery.fstab | grep "[[:blank:]]$1[[:blank:]]" | tail -n1 | tr -s [:blank:] ' ' | cut -d' ' -f1
+}
+
+find_block() {
+  local name="$1"
+  local fstab_entry=$(get_block_for_mount_point "/$name")
+  # P-SAR hacks
+  [ -z "$fstab_entry" ] && [ "$name" = "system" ] && fstab_entry=$(get_block_for_mount_point "/")
+  [ -z "$fstab_entry" ] && [ "$name" = "system" ] && fstab_entry=$(get_block_for_mount_point "/system_root")
+
+  local dev
+  if [ "$DYNAMIC_PARTITIONS" = "true" ]; then
+    if [ -n "$fstab_entry" ]; then
+      dev="${BLK_PATH}/${fstab_entry}${SLOT_SUFFIX}"
+    else
+      dev="${BLK_PATH}/${name}${SLOT_SUFFIX}"
+    fi
+  else
+    if [ -n "$fstab_entry" ]; then
+      dev="${fstab_entry}${SLOT_SUFFIX}"
+    else
+      dev="${BLK_PATH}/${name}${SLOT_SUFFIX}"
+    fi
+  fi
+
+  if [ -b "$dev" ]; then
+    echo "$dev"
+  fi
+}
+
+
+ui_print "****************************"
+ui_print "Lineage Dialer RRO installer"
+ui_print "****************************"
+
+ui_print "Extracting files"
+TMP=/tmp
+cd "$TMP" || exit 1
+unzip -o "$ZIP"
+rm -rf META-INF
+
+ui_print "Mounting partitions"
+
+# Ensure system is unmounted so mounting succeeds
+umount /system || umount /mnt/system || true
+umount /vendor || true
+
+# Find partitions
+DYNAMIC_PARTITIONS=$(getprop ro.boot.dynamic_partitions)
+if [ "$DYNAMIC_PARTITIONS" = "true" ]; then
+    BLK_PATH="/dev/block/mapper"
+else
+    BLK_PATH=/dev/block/bootdevice/by-name
 fi
 
-# Exit immediately if a command fails
-set -e
+CURRENTSLOT=$(getprop ro.boot.slot_suffix)
+if [ ! -z "$CURRENTSLOT" ]; then
+  if [ "$CURRENTSLOT" == "_a" ]; then
+    SLOT_SUFFIX="_a"
+  else
+    SLOT_SUFFIX="_b"
+  fi
+fi
 
-# Extract the package to a temporary location
-unzip -oq ${3} -d "/tmp/LineageDialerRRO"
+SYSTEM_BLOCK=$(find_block "system")
+VENDOR_BLOCK=$(find_block "vendor")
 
-# Create faux mountpoints
-mkdir /picodroid_system
-mkdir /picodroid_vendor
+# Disable rw protection on dynamic partitions
+if [ "$DYNAMIC_PARTITIONS" = "true" ]; then
+  blockdev --setrw "$SYSTEM_BLOCK"
+  if [ -n "$VENDOR_BLOCK" ]; then
+    blockdev --setrw "$VENDOR_BLOCK"
+  fi
+fi
+
+# Mount and define SYSTEM_OUT
+SYSTEM_MNT=/mnt/system
+mkdir -p "$SYSTEM_MNT" || true
+if mount -o rw "$SYSTEM_BLOCK" "$SYSTEM_MNT"; then
+ui_print "$SYSTEM_MNT mounted"
+else
+error_mounting "$SYSTEM_MNT"
+fi
+# System out is actual /system when devices is booted,
+# while or recovery it can be /mnt/system/system, so the file structure look like
+# /mnt/system/system -> /system
+# /mnt/system/system/bin -> /system/bin
+# /mnt/system/vendor -> /vendor
 
-# Mount the neccesary partitions
-mount -o rw $(readlink -f $(cd /dev && find /dev/block -type l -name system$(getprop ro.boot.slot_suffix) | head -n 1 )) /picodroid_system
-mount -o rw $(readlink -f $(cd /dev && find /dev/block -type l -name vendor$(getprop ro.boot.slot_suffix) | head -n 1 )) /picodroid_vendor
+SYSTEM_OUT="${SYSTEM_MNT}/system"
 
-# Copy the overlay to the appropriate location
-cp /tmp/LineageDialerRRO/vendor/overlay/lineage-dialer-rro.apk /picodroid_vendor/overlay
+# Ignore {vendor} block devices in case they are symlinks
+# This is common on devices where maintainers have chosen not to use
+# real partitions because of their size being too small to be useful
+if [ -L "${SYSTEM_MNT}/vendor" ]; then
+VENDOR_BLOCK=""
+fi
 
-# Copy the OTA survival script to the appropriate location
-if [ -d /picodroid_system/system/addon.d ]
-    then cp /tmp/LineageDialerRRO/system/addon.d/99-lineage-dialer-rro.sh /picodroid_system/system/addon.d
+if [ -n "$VENDOR_BLOCK" ]; then
+  mkdir /vendor || true
+  if mount -o rw "$VENDOR_BLOCK" /vendor; then
+    ui_print "/vendor mounted"
+  else
+    error_mounting "/vendor"
+  fi
 fi
 
-# Make the script executable
-chmod 755 /picodroid_system/system/addon.d/99-lineage-dialer-rro.sh
+# Enter inside Flashable system.
+cd system || exit 1
+
+ui_print "Preparing files for copying"
+# Set correct permission for dirs
+for d in $(find . -mindepth 1 -type d -type d); do
+  set_perm 0755 $d
+  set_owner root root $d
+done
+# Set correct permission for files
+for f in $(find . -type f); do
+  type=$(echo "$f" | sed 's/.*\.//')
+  if [ "$type" == "sh" ] || [ "$type" == "$f" ]; then
+    set_perm 0755 $f
+  else
+    set_perm 0644 $f
+  fi
+  set_owner root root $f
+  set_con system_file $f
+done
 
-# Unmount the previously mounted partitions
-umount -l /picodroid_system
-umount -l /picodroid_vendor
+ui_print "Copying files"
+cp --preserve=a -r ./* "${SYSTEM_OUT}/"
+if [ -n "$VENDOR_BLOCK" ]; then
+  cp --preserve=a -r ./vendor/* /vendor
+fi
 
-# Delete de faux mountpoints
-rmdir /picodroid_system
-rmdir /picodroid_vendor
 
-# Clean up the installation files
-rm -rf /tmp/LineageDialerRRO
+cleanup
 
-# Inform the user that the update has been successful
-echo -e "ui_print Update successfully installed!" >> /proc/self/fd/${2}
+ui_print "Done!"
+exit 0
diff --git a/flashable/system/addon.d/99-lineage-dialer-rro.sh b/flashable/system/addon.d/20-lineage-dialer-rro.sh
similarity index 56%
rename from flashable/system/addon.d/99-lineage-dialer-rro.sh
rename to flashable/system/addon.d/20-lineage-dialer-rro.sh
index 8dc697f..3ceffd2 100644
--- a/flashable/system/addon.d/99-lineage-dialer-rro.sh
+++ b/flashable/system/addon.d/20-lineage-dialer-rro.sh
@@ -1,13 +1,9 @@
 #!/sbin/sh
 #
-# ADDOND_VERSION=2
+# ADDOND_VERSION=3
 #
-# /system/addon.d/99-lineage-dialer-rro.sh
-# During a LineageOS upgrade, this script backs up /vendor/overlay/lineage-dialer-rro.apk,
-# /system is formatted and reinstalled, then the file is restored.
+# /system/addon.d/20-lineage-dialer-rro.sh
 #
-# Copied from 50-lineage.sh
-
 . /tmp/backuptool.functions
 
 list_files() {
@@ -19,14 +15,14 @@ EOF
 case "$1" in
   backup)
     list_files | while read FILE DUMMY; do
-      backup_file $S/"$FILE"
+      backup_file $S/$FILE
     done
   ;;
   restore)
     list_files | while read FILE REPLACEMENT; do
       R=""
       [ -n "$REPLACEMENT" ] && R="$S/$REPLACEMENT"
-      [ -f "$C/$S/$FILE" ] && restore_file $S/"$FILE" "$R"
+      [ -f "$C/$S/$FILE" ] && restore_file $S/$FILE $R
     done
   ;;
   pre-backup)
@@ -39,6 +35,11 @@ case "$1" in
     # Stub
   ;;
   post-restore)
-    # Stub
+    for i in $(list_files); do
+      f=$(get_output_path "$S/$i")
+      chown root:root $f
+      chmod 644 $f
+      chmod 755 $(dirname $f)
+    done
   ;;
 esac
diff --git a/flashable/vendor/overlay/lineage-dialer-rro.apk b/flashable/system/vendor/overlay/lineage-dialer-rro.apk
similarity index 100%
rename from flashable/vendor/overlay/lineage-dialer-rro.apk
rename to flashable/system/vendor/overlay/lineage-dialer-rro.apk