#!/bin/sh
# enable online repos if not use/repo/main

[ -z "$GLOBAL_REPO_MAIN" ] || exit 0

# no public repos for e2k for now, unfortunately
[ `arch` != "e2k" ] || exit 0

[ -n "$GLOBAL_REPO" ] || exit 0

PROTO="${GLOBAL_REPO%/*}"	# http, ftp, rsync
case "$PROTO" in
http|ftp|rsync)
;;
*)
	echo "Error: protocol $PROTO not supported" >&2
	exit 1
;;
esac

MIRROR="${GLOBAL_REPO#*/}"	# alt, heanet, kiev, yandex, ...

if [ -z "$MIRROR" ]; then
	echo "Error: variable MIRROR is not set!!!" >&2
	echo "Set REPO variable in the format: PROTO/MIRROR" >&2
	echo "Example: http/yandex" >&2
	exit 1
fi

repo_source="/etc/apt/sources.list.d/$MIRROR.list"

if [ ! -s "$repo_source" ]; then
	echo "Error: $repo_source is not exist" >&2
	exit 1
fi

# regexps from alterator-pkg (via installer-feature-online-repo)
prefix_re="[[:space:]]*rpm[[:space:]]\+\([^[:space:]]\+[[:space:]]\+\)\?"
host_re="${PROTO:-http}:\/\/\([^[:space:]]\+\)[[:space:]]\+"
updates_re="${prefix_re}${host_re}\([^[:space:]]\+\/\)\?"

sed -i "s/^#\($updates_re\)/\1/" "$repo_source"