$ ./update-output-helper chrony/3.2-1build1 dropbear/2017.75-3 libtomcrypt/1.18.0-1 stormlib/9.21-1build1
Get:1 file:/home/doko/.cache/brapt/aptroot ./ InRelease
Ign:1 file:/home/doko/.cache/brapt/aptroot ./ InRelease
Get:2 file:/home/doko/.cache/brapt/aptroot ./ Release
Err:2 file:/home/doko/.cache/brapt/aptroot ./ Release
  File not found - /home/doko/.cache/brapt/aptroot/./Release (2: No such file or directory)
Reading package lists... Done
E: The repository 'file:/home/doko/.cache/brapt/aptroot ./ Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.