89f5e98932
To generate a reproducible archive from a svn repository mainly the same aproach is done like for the archives from a git repository. Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com> [yann.morin.1998@free.fr: get the date of the revision] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
64 lines
2.2 KiB
Bash
Executable File
64 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# We want to catch any unexpected failure, and exit immediately
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set -e
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# Download helper for svn, to be called from the download wrapper script
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#
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# Options:
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# -q Be quiet.
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# -o FILE Generate archive in FILE.
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# -u URI Checkout from repository at URI.
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# -c REV Use revision REV.
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# -n NAME Use basename NAME.
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#
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# Environment:
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# SVN : the svn command to call
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verbose=
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while getopts "${BR_BACKEND_DL_GETOPTS}" OPT; do
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case "${OPT}" in
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q) verbose=-q;;
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o) output="${OPTARG}";;
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u) uri="${OPTARG}";;
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c) rev="${OPTARG}";;
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n) basename="${OPTARG}";;
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:) printf "option '%s' expects a mandatory argument\n" "${OPTARG}"; exit 1;;
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\?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;;
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esac
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done
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shift $((OPTIND-1)) # Get rid of our options
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# Caller needs to single-quote its arguments to prevent them from
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# being expanded a second time (in case there are spaces in them)
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_svn() {
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eval ${SVN} "${@}"
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}
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_svn export ${verbose} "${@}" "'${uri}@${rev}'" "'${basename}'"
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# Get the date of the revision, to generate reproducible archives.
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# The output format is YYYY-MM-DDTHH:MM:SS.mmmuuuZ (i.e. always in the
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# UTC timezone), which we can feed as-is to the --mtime option for tar.
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# In case there is a redirection (e.g. http -> https), just keep the
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# last line (svn outputs everything on stdout)
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date="$( _svn info --show-item last-changed-date "'${uri}@${rev}'" |tail -n 1 )"
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# Generate the archive, sort with the C locale so that it is reproducible.
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# We do not want the .svn dir; we keep other .svn files, in case they are the
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# only files in their directory.
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find "${basename}" -not -type d \
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-and -not -path "./.svn/*" >"${output}.list"
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LC_ALL=C sort <"${output}.list" >"${output}.list.sorted"
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# Create GNU-format tarballs, since that's the format of the tarballs on
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# sources.buildroot.org and used in the *.hash files
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tar cf - --transform="s#^\./#${basename}/#" \
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--numeric-owner --owner=0 --group=0 --mtime="${date}" --format=gnu \
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-T "${output}.list.sorted" >"${output}.tar"
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gzip -6 -n <"${output}.tar" >"${output}"
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rm -f "${output}.list"
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rm -f "${output}.list.sorted"
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