preinst is in libgstreamer1.0-dev 1.8.0-1.
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 11 12 13 14 15 16 | #!/bin/sh
set -e
add_diversion() {
dpkg-divert --package libgstreamer1.0-dev --add --rename \
--divert "$1-gst0.10" "$1"
}
if [ "$1" = "upgrade" ] || [ "$1" = "install" ]; then
add_diversion /usr/bin/dh_gstscancodecs
add_diversion /usr/share/man/man1/dh_gstscancodecs.1.gz
fi
exit 0
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