postinst is in printer-driver-foo2zjs 20111202dfsg0-1ubuntu1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | #!/bin/sh
set -e
if [ "$1" = configure ]; then
# Move user-downloaded firmware files
if ls /usr/share/foo2zjs/firmware/*.dl >/dev/null 2>/dev/null; then
mv /usr/share/foo2zjs/firmware/*.dl /lib/firmware/hp/ 2>/dev/null
fi
fi
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