This file is indexed.

preinst is in polipo 1.0.4.1-1.2.

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

# 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 $CONFFILE ..."
        mv -f "$CONFFILE" "$CONFFILE".dpkg-del
    fi
}

case "$1" in
install|upgrade)
    if dpkg --compare-versions "$2" le "1.0.4.1-1"; then
        rm_conffile polipo /etc/ppp/ip-up.d/1polipo
        rm_conffile polipo /etc/ppp/ip-down.d/1polipo
        rm_conffile polipo /etc/network/if-up.d/01polipo
        rm_conffile polipo /etc/network/if-down.d/01polipo
    fi
esac