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#!/bin/sh -e

# Source functions library
. /etc/chroot.d/functions

[ -n "$verbose" ] && err_null= || err_null='2>/dev/null'
eval /usr/sbin/postconf >/dev/null $err_null || exit

cd /var/spool/postfix

force_alias=
force_map=
if [ -n "$force" ]; then
	force_alias=1
	force_map=1
	# Purge all configs from chroot
	rm -f etc/*
fi

copy_resolv_conf

suffix_hash=db
suffix_cdb=cdb

# alias_database
if [ -z "$force_alias" ]; then
	for type in hash cdb; do
		update_alias=
		eval suffix=\$suffix_$type
		for src in `/usr/sbin/postconf -h alias_database |
				tr -s ', 	' '\n' |
				sort -u |
				sed -ne 's,^'$type':\(/.*\),\1,p'`; do
			[ -f "$src" ] || continue
			dst="$src.$suffix"
			[ -f "$dst" ] && [ "$dst" -nt "$src" ] && continue ||
				update_alias=1
			break 2
		done
	done
fi
if [ -n "$force_alias" -o -n "$update_alias" ]; then
	/usr/bin/newaliases $verbose ||
		Fatal "failed to update alias database"
fi

# other maps
for type in hash cdb; do
	eval suffix=\$suffix_$type
	for src in `/usr/sbin/postconf |
			grep -v '^alias_' |
			tr -s ', 	' '\n' |
			sort -u |
			sed -ne 's,^'$type':\(/.*\),\1,p'`; do
		[ -f "$src" ] || continue
		update_map=
		if [ -z "$force_map" ]; then
			dst="$src.$suffix"
			[ -f "$dst" ] && [ "$dst" -nt "$src" ] && continue ||
				update_map=1
		fi
		if [ -n "$force_map" -o -n "$update_map" ]; then
			postmap $verbose "$type:$src" ||
				Fatal "failed to update $src database"
		fi
	done
done