Append dialout group to the user

Useful for MTK devices flashing

Author: fiftydinar

files/0-system/usr/bin/dialout-append

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# Make mtk dialout udev rules working by appending user to dialout group
+
+GROUP="$(getent group dialout)"
+
+if [[ -z "${GROUP}" ]]; then
+  echo "Group dialout does not exist, please assure that it's created correctly"
+  exit 1
+fi
+
+readarray -t AVAILABLE_USERS < <(getent passwd | awk -F: '/\/home/ {print $1}')
+
+if [[ ${#AVAILABLE_USERS[@]} -eq 0 ]]; then
+  echo "There are no users to append dialout group to"
+  exit 1
+fi
+
+for user in "${AVAILABLE_USERS[@]}"; do
+  if [[ ! "${GROUP}" =~ "${user}" ]]; then
+    gpasswd -a "${user}" dialout
+  else
+    echo "Group dialout is already assigned to the user '${user}'"
+  fi
+done
+
+# Remove # symbol below when it's desired to remove dialout group from the users
+
+#for user in "${AVAILABLE_USERS[@]}"; do
+  #if [[ "${GROUP}" =~ "${user}" ]]; then
+    #echo "Removed user '${user}' from the dialout group"
+    #gpasswd -d "${user}" dialout
+  #else
+    #echo "Group dialout is already removed from the user '${user}'"
+  #fi
+#done

files/systemd/system/dialout-append.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Append user to adbusers group to make Android udev rules working
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/usr/bin/adbusers-append
+
+[Install]
+WantedBy=multi-user.target

recipes/module-recipes/systemd.yml

@@ -6,6 +6,7 @@ system:
     - memory-tweaks-gidro.service
     - adbusers-append.service
     - plugdev-append.service
+    - dialout-append.service
     - bootc-auto-update-without-reboot.timer
     - adw-gtk3-installer-privileged.service
     - usb-storage-optimized-async-service.service