buildroot

#!/usr/bin/env bash

​

# We want to catch any unexpected failure, and exit immediately

set -e

​

# Download helper for cvs, to be called from the download wrapper script

#

# Call it as:

#   .../cvs [-q] OUT_FILE CVS_URL REV PKG_NAME BASENAME

#

# Environment:

#   CVS      : the cvs command to call

​

verbose=

while getopts :q OPT; do

    case "${OPT}" in

    q)  verbose=-Q;;

    \?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;;

    esac

done

shift $((OPTIND-1))

​

output="${1}"

repo="${2}"

rev="${3}"

rawname="${4}"

basename="${5}"

​

# Caller needs to single-quote its arguments to prevent them from

# being expanded a second time (in case there are spaces in them)

_cvs() {

    eval ${CVS} "${@}"

}

​

if [[ ${rev} =~ ^[0-9] ]]; then

    # Date, because a tag or a branch cannot begin with a number

    select="-D"

else

    # Tag or branch

    select="-r"

fi

​

export TZ=UTC

_cvs ${verbose} -z3 -d"':pserver:anonymous@${repo}'" \

     co -d "'${basename}'" ${select} "'${rev}'" -P "'${rawname}'"

​

tar czf "${output}" "${basename}"