#!/usr/bin/env bash # We want to catch any unexpected failure, and exit immediately set -e # Download helper for hg, to be called from the download wrapper script # # Options: # -q Be quiet. # -o FILE Generate archive in FILE. # -u URI Clone from repository at URI. # -c CSET Use changeset (or revision) CSET. # -n NAME Use basename NAME. # # Environment: # HG : the hg command to call verbose= while getopts "${BR_BACKEND_DL_GETOPTS}" OPT; do case "${OPT}" in q) verbose=-q;; o) output="${OPTARG}";; u) uri="${OPTARG}";; c) cset="${OPTARG}";; n) basename="${OPTARG}";; :) printf "option '%s' expects a mandatory argument\n" "${OPTARG}"; exit 1;; \?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;; esac done shift $((OPTIND-1)) # Get rid of our options # Caller needs to single-quote its arguments to prevent them from # being expanded a second time (in case there are spaces in them) _hg() { eval ${HG} "${@}" } _hg clone ${verbose} "${@}" --noupdate "'${uri}'" "'${basename}'" _hg archive ${verbose} --repository "'${basename}'" --type tgz \ --prefix "'${basename}'" --rev "'${cset}'" \ - >"${output}"