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# shell functions used in postgresql-common
#
# (C) 2014 Martin Pitt <mpitt@debian.org>
# (C) 2014 Christoph Berg <myon@debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# set DISTRO and RELEASE
get_release() {
# return if we were already called
[ "${DISTRO:-}" ] && [ "${RELEASE:-}" ] && return
# we have /etc/os-release, use it
if [ -r /etc/os-release ]; then
. /etc/os-release
DISTRO="${ID:-unknown}"
RELEASE="${VERSION_ID:-unstable}" # unstable doesn't have this field
# fall back to lsb_release
elif type lsb_release >/dev/null 2>/dev/null; then
DISTRO="`lsb_release -is | tr [:upper:] [:lower:]`"
RELEASE="`lsb_release -rs`"
else
echo "get_release: WARNING: /etc/os-release and lsb_release not present, unknown distribution" >&2
fi
}
# install locales; this happens differently on Debian and Ubuntu
# Arguments: locale charset [...]
locale_gen ()
{
get_release
case $DISTRO in
debian)
METHOD=debian
;;
ubuntu)
case $RELEASE in
12.*|13.*|14.*|15.*)
METHOD=ubuntu
;;
*)
METHOD=debian
;;
esac
;;
redhat|centos)
return 0 # not yet implemented
;;
esac
case $METHOD in
debian)
local run
while [ "${2:-}" ]; do
if ! grep -q "^$1 $2\$" /etc/locale.gen; then
echo "$1 $2" >> /etc/locale.gen
run=1
fi
shift 2
done
[ "${run:-}" ] && locale-gen
;;
ubuntu)
# locale-gen will skip existing locales, so just call it
# unconditionally for all here
local locales
while [ "${2:-}" ]; do
locales="${locales:-} $1"
shift 2
done
locale-gen $locales
;;
esac
return 0
}
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