xref: /OK3568_Linux_fs/buildroot/support/download/cvs (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 cvs, to be called from the download wrapper script
7*4882a593Smuzhiyun#
8*4882a593Smuzhiyun# Options:
9*4882a593Smuzhiyun#   -q          Be quiet
10*4882a593Smuzhiyun#   -o FILE     Generate archive in FILE.
11*4882a593Smuzhiyun#   -u URI      Checkout from repository at URI.
12*4882a593Smuzhiyun#   -c REV      Use revision REV.
13*4882a593Smuzhiyun#   -N RAWNAME  Use rawname (aka module name) RAWNAME.
14*4882a593Smuzhiyun#   -n NAME     Use basename NAME.
15*4882a593Smuzhiyun#
16*4882a593Smuzhiyun# Environment:
17*4882a593Smuzhiyun#   CVS      : the cvs command to call
18*4882a593Smuzhiyun
19*4882a593Smuzhiyunquiet=
20*4882a593Smuzhiyunwhile getopts "${BR_BACKEND_DL_GETOPTS}" OPT; do
21*4882a593Smuzhiyun    case "${OPT}" in
22*4882a593Smuzhiyun    q)  quiet=-Q;;
23*4882a593Smuzhiyun    o)  output="${OPTARG}";;
24*4882a593Smuzhiyun    u)  uri="${OPTARG#*://}";;
25*4882a593Smuzhiyun    c)  rev="${OPTARG}";;
26*4882a593Smuzhiyun    N)  rawname="${OPTARG}";;
27*4882a593Smuzhiyun    n)  basename="${OPTARG}";;
28*4882a593Smuzhiyun    :)  printf "option '%s' expects a mandatory argument\n" "${OPTARG}"; exit 1;;
29*4882a593Smuzhiyun    \?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;;
30*4882a593Smuzhiyun    esac
31*4882a593Smuzhiyundone
32*4882a593Smuzhiyun
33*4882a593Smuzhiyunshift $((OPTIND-1)) # Get rid of our options
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun# Caller needs to single-quote its arguments to prevent them from
36*4882a593Smuzhiyun# being expanded a second time (in case there are spaces in them).
37*4882a593Smuzhiyun# If the CVS server is deadlocked, the client will never return (cfr.
38*4882a593Smuzhiyun# http://autobuild.buildroot.net/results/23d/23d1034b33d0354de15de2ec4a8ccd0603e8db78/build-end.log
39*4882a593Smuzhiyun# ). Since nobody sane will put large code bases in CVS, a timeout of
40*4882a593Smuzhiyun# 10 minutes should do the trick.
41*4882a593Smuzhiyun_cvs() {
42*4882a593Smuzhiyun    if [ -z "${quiet}" ]; then
43*4882a593Smuzhiyun        printf '%s ' timeout 10m ${CVS} "${@}"; printf '\n'
44*4882a593Smuzhiyun    fi
45*4882a593Smuzhiyun    _plain_cvs "$@"
46*4882a593Smuzhiyun}
47*4882a593Smuzhiyun# Note: please keep command below aligned with what is printed above
48*4882a593Smuzhiyun_plain_cvs() {
49*4882a593Smuzhiyun    eval timeout 10m ${CVS} "${@}"
50*4882a593Smuzhiyun}
51*4882a593Smuzhiyun
52*4882a593Smuzhiyunif [[ ${rev} =~ ^[0-9] ]]; then
53*4882a593Smuzhiyun    # Date, because a tag or a branch cannot begin with a number
54*4882a593Smuzhiyun    select="-D"
55*4882a593Smuzhiyunelse
56*4882a593Smuzhiyun    # Tag or branch
57*4882a593Smuzhiyun    select="-r"
58*4882a593Smuzhiyunfi
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun# The absence of an initial : on ${uri} means access method undefined
61*4882a593Smuzhiyunif [[ ! "${uri}" =~ ^: ]]; then
62*4882a593Smuzhiyun   # defaults to anonymous pserver
63*4882a593Smuzhiyun   uri=":pserver:anonymous@${uri}"
64*4882a593Smuzhiyunfi
65*4882a593Smuzhiyun
66*4882a593Smuzhiyunexport TZ=UTC
67*4882a593Smuzhiyun_cvs ${quiet} -z3 -d"'${uri}'" \
68*4882a593Smuzhiyun     co "${@}" -d "'${basename}'" ${select} "'${rev}'" -P "'${rawname}'"
69*4882a593Smuzhiyun
70*4882a593Smuzhiyuntar czf "${output}" "${basename}"
71