build devel: deactivate unattended upgrades

1 files changed, 16 insertions, 0 deletions

diff --git a/etc/library.sh b/etc/library.sh
index bd45b4f5..6ecb95e6 100755
--- a/etc/library.sh
+++ b/etc/library.sh
@@ -279,6 +279,22 @@ function copy_to_image()
   rmdir tmpmnt &>/dev/null
 }
 
+function deactivate_unattended_upgrades()
+{
+  local IMG=$1
+  local SECTOR
+  local OFFSET
+  SECTOR=$( fdisk -l "$IMG" | grep Linux | awk '{ print $2 }' )
+  OFFSET=$(( SECTOR * 512 ))
+
+  [ -f "$IMG" ] || { echo "no image"; return 1; }
+  mkdir -p tmpmnt
+  sudo mount "$IMG" -o offset="$OFFSET" tmpmnt || return 1
+  rm -f tmpmnt/etc/apt/apt.conf.d/20nextcloudpi-upgrades
+  sudo umount -l tmpmnt
+  rmdir tmpmnt &>/dev/null
+}
+
 function download_resize_raspbian_img()
 {
   local SIZE=$1