/usr/lib/tasksel/tests/debconf is in tasksel 2.88ubuntu9.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | #!/bin/sh
#
# Allows a task to be enabled or disabled if tasksel is running inside a
# debconf instance, as in the first stage Debian install.
#
# To enable this test insert your tasks stanza a keyword like:
#
# Test-debconf: false
#
# This will cause the task to be available only if tasksel is not running
# in debconf.
have_terminal_plugin () {
db_capb backup
set -- $RET
for cap; do
if [ "$cap" = plugin-terminal ]; then
return 0
fi
done
return 1
}
if [ "$DEBIAN_HAS_FRONTEND" ] || [ "$DEBCONF_READFD" ]; then
# Avoid starting debconf unless it is already running.
. /usr/share/debconf/confmodule
if have_terminal_plugin; then
running_in_debconf=false # at least, we can pretend we aren't
else
running_in_debconf=true
fi
else
running_in_debconf=false
fi
if [ "$2" = "$running_in_debconf" ]; then
exit 3 # display task, not marked for installation
fi
exit 1 # do not display task
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