preinst is in remotetrx 17.12.1-2.
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 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | #!/bin/sh
# preinst script for svxlink
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
# * <new-preinst> `install'
# * <new-preinst> `install' <old-version>
# * <new-preinst> `upgrade' <old-version>
# * <old-preinst> `abort-upgrade' <new-version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
case "$1" in
install|upgrade)
# Sane defaults:
[ -z "$SERVER_HOME" ] && SERVER_HOME=/usr/bin
[ -z "$SERVER_USER" ] && SERVER_USER=svxlink
[ -z "$SERVER_NAME" ] && SERVER_NAME="Svxlink-related Daemons"
[ -z "$SERVER_GROUP" ] && SERVER_GROUP=svxlink
# Groups that the user will be added to, if undefined, then none.
ADDGROUP="audio dialout"
# create user to avoid running server as root
# 1. create group if not existing
if ! getent group | grep -q "^$SERVER_GROUP:" ; then
echo -n "Adding group $SERVER_GROUP.."
addgroup --quiet --system $SERVER_GROUP 2>/dev/null ||true
echo "..done"
fi
# 2. create homedir if not existing
test -d $SERVER_HOME || mkdir $SERVER_HOME
# 3. create user if not existing
if ! getent passwd | grep -q "^$SERVER_USER:"; then
echo -n "Adding system user $SERVER_USER.."
adduser --quiet \
--system \
--ingroup $SERVER_GROUP \
--no-create-home \
--home /nonexistent \
--disabled-password \
$SERVER_USER 2>/dev/null || true
echo "..done"
fi
# 4. adjust passwd entry
usermod -c "$SERVER_NAME" \
-d $SERVER_HOME \
-g $SERVER_GROUP \
$SERVER_USER
# 5. Add the user to the ADDGROUP group
for group in $ADDGROUP ; do
if test -n $group
then
if ! groups $SERVER_USER | cut -d: -f2 | grep -qw $group; then
adduser $SERVER_USER $group
fi
fi
done
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0
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