#!/bin/bash

# We want to catch any command failure, and exit immediately
set -e

# Download helper for hg
# Call it with:
#   $1: hg repo
#   $2: hg cset
#   $3: package's basename (eg. foobar-1.2.3)
#   $4: output file
# And this environment:
#   HG        : the hg command to call
#   BR2_DL_DIR: path to Buildroot's download dir

repo="${1}"
cset="${2}"
basename="${3}"
output="${4}"

cd "${BR2_DL_DIR}"
${HG} clone --noupdate --rev "${cset}" "${repo}" "${basename}"
${HG} archive --repository "${basename}" --type tgz --prefix "${basename}" \
              --rev "${cset}" "${output}"
rm -rf "${basename}"