buildroot/support/download/scp

#!/bin/bash

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

# Download helper for scp
# Call it with:
#   $1: URL
#   $2: output file
# And this environment:
#   SCP       : the scp command to call

url="${1}"
output="${2}"
tmp_dl="$( mktemp "${BUILD_DIR}/.XXXXXX" )"
tmp_output="$( mktemp "${output}.XXXXXX" )"

ret=1
if ${SCP} "${url}" "${tmp_dl}"; then
    if mv "${tmp_dl}" "${tmp_output}"; then
        mv "${tmp_output}" "${output}"
        ret=0
    fi
fi

# Cleanup
rm -f "${tmp_dl}" "${tmp_output}"
exit ${ret}