"OOT"
OOT (as in "out-of-tree"), if set, disables the check if a script is run in a source package directory and a Git repository.
Can be used as
OOT=1 . "${DPT__SCRIPTS:-/usr/share/pkg-perl-tools}/lib/dpt-lib.sh"
and is useful for scripts which are run on build results etc.
This also means that the variables derived from debian/changelog are not available.