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#!/bin/bash

. /etc/conf.d/parabolaweb
. /usr/bin/libremessages

dir=$WEBDIR
repo=$GITURL
ref=$GITREF

cd_safe() {
	if ! cd "$1"; then
		error "$(gettext "Failed to change to directory %s")" "$1"
		plain "$(gettext "Aborting...")"
		exit 1
	fi
}

download_git() {
	if [[ ! -d "$dir/.git" ]] ; then
		msg2 "$(gettext "Cloning %s %s repo...")" "${repo}" "git"
		if ! git clone "$repo" "$dir"; then
			error "$(gettext "Failure while downloading %s %s repo")" "${repo}" "git"
			plain "$(gettext "Aborting...")"
			exit 1
		fi
	else
		cd_safe "$dir"
		# Make sure we are fetching the right repo
		if [[ "$repo" != "$(git config --get remote.origin.url)"  ]] ; then
			error "$(gettext "%s is not a clone of %s")" "$dir" "$repo"
			plain "$(gettext "Aborting...")"
			exit 1
		fi
		msg2 "$(gettext "Updating %s %s repo...")" "${repo}" "git"
		if ! git pull origin "$ref"; then
			# only warn on failure to allow offline builds
			warning "$(gettext "Failure while updating %s %s repo")" "${repo}" "git"
		fi
	fi
}

main() {
	[[ -d "${dir%/*}" ]] || mkdir -p "${dir%/*}"
	download_git
}

main "$@"