pub fn apt_lock() -> Result<(), AptErrors>Expand description
Lock the APT lockfile.
This should be done before modifying any APT files
such as with crate::cache::Cache::update
and then apt_unlock should be called after.
This Function Requires root
If apt_lock is called n times, apt_unlock must also be called n
times to release all acquired locks.
ยงKnown Error Messages:
E:Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)E:Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?