Current File : //usr/share/doc/ucf/examples/postinst
#! /bin/sh
# postinst.skeleton
# Skeleton maintainer script showing all the possible cases.
# Written by Charles Briscoe-Smith, March-June 1998. Public Domain.
# Abort if any command returns an error value
set -e
# This script is called as the last step of the installation of the
# package. All the package's files are in place, dpkg has already done
# its automatic conffile handling, and all the packages we depend of
# are already fully installed and configured.
# The following idempotent stuff doesn't generally need protecting
# against being run in the abort-* cases.
# Install info files into the dir file
: install-info --quiet --section "section pattern" "Section Title" \
: --description="Name of the document" /usr/info/foo.info
# Create stub directories under /usr/local
: if test ! -d /usr/local/lib/foo; then
: if test ! -d /usr/local/lib; then
: if mkdir /usr/local/lib; then
: chown root.staff /usr/local/lib || true
: chmod 2775 /usr/local/lib || true
: fi
: fi
: if mkdir /usr/local/lib/foo; then
: chown root.staff /usr/local/lib/foo || true
: chmod 2775 /usr/local/lib/foo || true
: fi
: fi
# Ensure the menu system is updated
: [ ! -x /usr/bin/update-menus ] || /usr/bin/update-menus
# Arrange for a daemon to be started at system boot time
: update-rc.d foo default >/dev/null
case "$1" in
configure)
# Configure this package. If the package must prompt the user for
# information, do it here.
:
# Activate menu-methods script
: chmod a+x /etc/menu-methods/foo
# Update ld.so cache
: ldconfig
# Make our version of a program available
: update-alternatives \
: --install /usr/bin/program program /usr/bin/alternative 50 \
: --slave /usr/share/man/man1/program.1.gz program.1.gz \
: /usr/share/man/man1/alternative.1.gz
# Tell ucf that the file in /usr/share/foo is the latest
# maintainer version, and let it handle how to manage the real
# confuguration file in /etc. This is how a static configuration
# file can be handled:
ucf /usr/share/foo/configuration /etc/foo.conf
ucfr foo /etc/foo.conf
### We could also do this on the fly. The following is from Tore
### Anderson:
#. /usr/share/debconf/confmodule
### find out what the user answered.
# db_get foo/run_on_boot
# run_on_boot=$RET
# db_stop
### safely create a temporary file to generate our suggested
### configuration file.
# tempfile=`tempfile`
# cat << _eof > $tempfile
### Configuration file for Foo.
### this was answered by you, the user in a debconf dialogue
# RUNONBOOT=$run_on_boot
### this was not, as it has a sane default value.
# COLOUROFSKY=blue
#_eof
### Note that some versions of debconf do not release stdin, so
### the following invocation of ucf may not work, since the stdin
### is never connected to ucfr.
### now, invoke ucf, which will take care of the rest, and ask
### the user if he wants to update his file, if it is modified.
#ucf $tempfile /etc/foo.conf
### done! now we'll just clear up our cruft.
#rm -f $tempfile
# There are three sub-cases:
if test "${2+set}" != set; then
# We're being installed by an ancient dpkg which doesn't remember
# which version was most recently configured, or even whether
# there is a most recently configured version.
:
elif test -z "$2" -o "$2" = "<unknown>"; then
# The package has not ever been configured on this system, or was
# purged since it was last configured.
:
else
# Version $2 is the most recently configured version of this
# package.
:
fi ;;
abort-upgrade)
# Back out of an attempt to upgrade this package FROM THIS VERSION
# to version $2. Undo the effects of "prerm upgrade $2".
:
;;
abort-remove)
if test "$2" != in-favour; then
echo "$0: undocumented call to \`postinst $*'" 1>&2
exit 0
fi
# Back out of an attempt to remove this package, which was due to
# a conflict with package $3 (version $4). Undo the effects of
# "prerm remove in-favour $3 $4".
:
;;
abort-deconfigure)
if test "$2" != in-favour -o "$5" != removing; then
echo "$0: undocumented call to \`postinst $*'" 1>&2
exit 0
fi
# Back out of an attempt to deconfigure this package, which was
# due to package $6 (version $7) which we depend on being removed
# to make way for package $3 (version $4). Undo the effects of
# "prerm deconfigure in-favour $3 $4 removing $6 $7".
:
;;
*) echo "$0: didn't understand being called with \`$1'" 1>&2
exit 0;;
esac
exit 0
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