xref: /OK3568_Linux_fs/buildroot/support/download/file (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun#!/usr/bin/env bash
2*4882a593Smuzhiyun
3*4882a593Smuzhiyun# We want to catch any unexpected failure, and exit immediately
4*4882a593Smuzhiyunset -e
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun# Download helper for cp, to be called from the download wrapper script
7*4882a593Smuzhiyun#
8*4882a593Smuzhiyun# Options:
9*4882a593Smuzhiyun#   -q          Be quiet.
10*4882a593Smuzhiyun#   -o FILE     Copy to file FILE.
11*4882a593Smuzhiyun#   -f FILE     Copy from basename file FILE.
12*4882a593Smuzhiyun#   -u DIR      Copy from FILE in DIR.
13*4882a593Smuzhiyun#
14*4882a593Smuzhiyun# Environment:
15*4882a593Smuzhiyun#   LOCALFILES: the cp command to call
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun# 'cp' usually does not print anything on its stdout, whereas the
18*4882a593Smuzhiyun# other download backends, even if not verbose, at least print some
19*4882a593Smuzhiyun# progress information.
20*4882a593Smuzhiyun# Make 'cp' verbose by default, so it behaves a bit like the others.
21*4882a593Smuzhiyunverbose=-v
22*4882a593Smuzhiyun
23*4882a593Smuzhiyunwhile getopts "${BR_BACKEND_DL_GETOPTS}" OPT; do
24*4882a593Smuzhiyun    case "${OPT}" in
25*4882a593Smuzhiyun    q)  verbose=;;
26*4882a593Smuzhiyun    o)  output="${OPTARG}";;
27*4882a593Smuzhiyun    f)  file="${OPTARG}";;
28*4882a593Smuzhiyun    u)  dir="${OPTARG}";;
29*4882a593Smuzhiyun    :)  printf "option '%s' expects a mandatory argument\n" "${OPTARG}"; exit 1;;
30*4882a593Smuzhiyun    \?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;;
31*4882a593Smuzhiyun    esac
32*4882a593Smuzhiyundone
33*4882a593Smuzhiyun
34*4882a593Smuzhiyunshift $((OPTIND-1)) # Get rid of our options
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun# Caller needs to single-quote its arguments to prevent them from
37*4882a593Smuzhiyun# being expanded a second time (in case there are spaces in them)
38*4882a593Smuzhiyun_localfiles() {
39*4882a593Smuzhiyun    if [ -n "${verbose}" ]; then
40*4882a593Smuzhiyun        printf '%s ' ${LOCALFILES} "${@}"; printf '\n'
41*4882a593Smuzhiyun    fi
42*4882a593Smuzhiyun    _plain_localfiles "$@"
43*4882a593Smuzhiyun}
44*4882a593Smuzhiyun# Note: please keep command below aligned with what is printed above
45*4882a593Smuzhiyun_plain_localfiles() {
46*4882a593Smuzhiyun    eval ${LOCALFILES} "${@}"
47*4882a593Smuzhiyun}
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun_localfiles ${verbose} "'${dir##file://}/${file}'" "'${output}'"
50