preinst is in ttf-oriya-fonts 1:0.5.14ubuntu1.
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 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | #!/bin/sh
set -e
PKG=ttf-oriya-fonts
FONTCONF_RENAME_VERSION=1:0.5.5
FONTCONF_FILE=/etc/fonts/conf.d/${PKG}.conf
# Remove a no-longer used conffile
rm_conffile() {
local PKGNAME="$1"
local CONFFILE="$2"
[ -e "$CONFFILE" ] || return 0
local md5sum="$(md5sum $CONFFILE | sed -e 's/ .*//')"
local old_md5sum="$(dpkg-query -W -f='${Conffiles}' $PKGNAME | \
sed -n -e "\' $CONFFILE ' { s/ obsolete$//; s/.* //; p }")"
if [ "$md5sum" != "$old_md5sum" ]; then
echo "Obsolete conffile $CONFFILE has been modified by you."
echo "Saving as $CONFFILE.dpkg-bak ..."
mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
else
echo "Removing obsolete conffile $CONFFILE ..."
rm -f "$CONFFILE"
fi
}
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" lt-nl "$FONTCONF_RENAME_VERSION"; then
rm_conffile $PKG $FONTCONF_FILE
fi
esac
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