xref: /OK3568_Linux_fs/buildroot/support/download/svn (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun#!/usr/bin/env bash
2*4882a593Smuzhiyun
3*4882a593Smuzhiyun# NOTE: if the output of this backend has to change (e.g. we change what gets
4*4882a593Smuzhiyun# included in the archive, or we change the format of the archive (e.g. tar
5*4882a593Smuzhiyun# options, compression ratio or method)), we MUST update the format version
6*4882a593Smuzhiyun# in the variable BR_FTM_VERSION_svn, in package/pkg-download.mk.
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun# We want to catch any unexpected failure, and exit immediately
9*4882a593Smuzhiyunset -e
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun# Download helper for svn, to be called from the download wrapper script
12*4882a593Smuzhiyun#
13*4882a593Smuzhiyun# Options:
14*4882a593Smuzhiyun#   -q          Be quiet.
15*4882a593Smuzhiyun#   -o FILE     Generate archive in FILE.
16*4882a593Smuzhiyun#   -u URI      Checkout from repository at URI.
17*4882a593Smuzhiyun#   -c REV      Use revision REV.
18*4882a593Smuzhiyun#   -n NAME     Use basename NAME.
19*4882a593Smuzhiyun#
20*4882a593Smuzhiyun# Environment:
21*4882a593Smuzhiyun#   SVN      : the svn command to call
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun. "${0%/*}/helpers"
24*4882a593Smuzhiyun
25*4882a593Smuzhiyunquiet=
26*4882a593Smuzhiyunwhile getopts "${BR_BACKEND_DL_GETOPTS}" OPT; do
27*4882a593Smuzhiyun    case "${OPT}" in
28*4882a593Smuzhiyun    q)  quiet=-q;;
29*4882a593Smuzhiyun    o)  output="${OPTARG}";;
30*4882a593Smuzhiyun    u)  uri="${OPTARG}";;
31*4882a593Smuzhiyun    c)  rev="${OPTARG}";;
32*4882a593Smuzhiyun    n)  basename="${OPTARG}";;
33*4882a593Smuzhiyun    :)  printf "option '%s' expects a mandatory argument\n" "${OPTARG}"; exit 1;;
34*4882a593Smuzhiyun    \?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;;
35*4882a593Smuzhiyun    esac
36*4882a593Smuzhiyundone
37*4882a593Smuzhiyun
38*4882a593Smuzhiyunshift $((OPTIND-1)) # Get rid of our options
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun# Caller needs to single-quote its arguments to prevent them from
41*4882a593Smuzhiyun# being expanded a second time (in case there are spaces in them)
42*4882a593Smuzhiyun_svn() {
43*4882a593Smuzhiyun    if [ -z "${quiet}" ]; then
44*4882a593Smuzhiyun        printf '%s ' ${SVN} "${@}"; printf '\n'
45*4882a593Smuzhiyun    fi
46*4882a593Smuzhiyun    _plain_svn "$@"
47*4882a593Smuzhiyun}
48*4882a593Smuzhiyun# Note: please keep command below aligned with what is printed above
49*4882a593Smuzhiyun_plain_svn() {
50*4882a593Smuzhiyun    eval ${SVN} "${@}"
51*4882a593Smuzhiyun}
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun_svn export --ignore-keywords ${quiet} "${@}" "'${uri}@${rev}'" "'${basename}'"
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun# Get the date of the revision, to generate reproducible archives.
56*4882a593Smuzhiyun# The output format is YYYY-MM-DDTHH:MM:SS.mmmuuuZ (i.e. always in the
57*4882a593Smuzhiyun# UTC timezone), which we can feed as-is to the --mtime option for tar.
58*4882a593Smuzhiyun# In case there is a redirection (e.g. http -> https), just keep the
59*4882a593Smuzhiyun# last line (svn outputs everything on stdout)
60*4882a593Smuzhiyundate="$( _plain_svn info "'${uri}@${rev}'" \
61*4882a593Smuzhiyun        |sed -r -e '/^Last Changed Date: /!d; s///'
62*4882a593Smuzhiyun       )"
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun# Generate the archive.
65*4882a593Smuzhiyun# We did a 'svn export' above, so it's not a working copy (there is no .svn
66*4882a593Smuzhiyun# directory or file to ignore).
67*4882a593Smuzhiyunmk_tar_gz "${basename}" "${basename}" "${date}" "${output}"
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