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|
#!/bin/bash
: <<=cut
=head1 DESCRIPTION
This script is called by uscan(1) as per "debian/watch" to download Multi
Upstream Tarball (MUT) components.
=head1 COPYRIGHT
Copyright: 2018-2019 Dmitry Smirnov <onlyjob@member.fsf.org>
=head1 LICENSE
License: GPL-3+
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
.
This package is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
=cut
set -e
set -u
if [ "$1" = '--upstream-version' ]; then
VERSION="$2"
else
printf "E: missing argument '--upstream-version'.\n" 1>&2
exit 1
fi
# components, with optional '=VERSION'
COMPONENTS=(
"docker/cli=v$( debian/helpers/real-upstream-version.sh "$VERSION" )"
"moby/buildkit"
)
DEB_SOURCE="$( dpkg-parsechangelog -SSource )"
#DEB_VERSION="$( dpkg-parsechangelog -SVersion )"
filename="$( readlink -f ../${DEB_SOURCE}_${VERSION}.orig.tar.xz )"
[ -s "${filename}" ] || exit 1
## _log() tries to mimic the style of uscan logs.
## However it does NOT separate between stdout (info)
## and stderr (warn, error), because uscan makes a mess
## of that (it seems like it displays the two streams
## one after another).
_log() {
local prefix=$1; shift
local first_line=1
while [ $# -gt 0 ]; do
if [ $first_line -eq 1 ]; then
printf "get-orig-source ${prefix}: "
first_line=0
else
printf " "
fi
printf "%s\n" "$1"
shift
done 1>&2
}
info() { _log 'info' "$@"; }
warn() { _log 'warn' "$@"; }
error() { _log 'error' "$@"; }
drop_files_excluded() {
local work_dir
local files_excluded
local file
# remove files excluded:
for work_dir in "$@"; do
files_excluded=$( perl -0nE 'say $1 if m{^Files\-Excluded:\s*(.*?)(?:\n\n|^Files|^Comment)}sm;' debian/copyright )
pushd "${work_dir}" >/dev/null
for file in ${files_excluded}; do
if [ -e "${file}" ]; then
rm -fr "${file}"
else
warn "No files matched excluded pattern as the last matching glob: ${file}"
fi
done
popd >/dev/null
done
# remove empty directories:
if [ -d "${work_dir}"/vendor ]; then
find "${work_dir}"/vendor -mindepth 1 -type d -empty -delete
fi
}
## tarpack() takes two arguments:
## 1. directory to compress
## 2. tarball path/name
tarpack() {
( cd "$1" && \
find -L . -xdev -type f -print | LC_ALL=C sort \
| XZ_OPT="-6v" tar -caf "$2" -T- --owner=root --group=root --mode=a+rX \
)
}
echo 1>&2 "========================================"
echo 1>&2 "$(basename $0) $@"
echo 1>&2 "========================================"
## prepare a workdir:
work_dir="$( mktemp -d -t get-orig-source_${DEB_SOURCE}_XXXXXXXX )"
trap "rm -rf '${work_dir}'" EXIT
## extract main tarball::
info "Unpack main tarball"
tar -xf "${filename}" -C "${work_dir}"
## make sure there's one and only one top directory:
topdir=$( ls -1 "${work_dir}" )
if [ $(echo "$topdir" | wc -l) -ne 1 ]; then
error "Unexpected content in orig tarball"
exit 1
fi
## move sources in a subdirectory:
mv "${work_dir}/${topdir}" "${work_dir}"/engine
mkdir "${work_dir}/${topdir}"
mv "${work_dir}"/engine "${work_dir}/${topdir}"
## drop excluded files:
# not needed, already done by uscan/mk-origtargz
# drop_files_excluded "${work_dir}"/${topdir}/engine
## repack:
info "Repack main tarball"
tarpack "${work_dir}" "${filename}"
## fetch Docker components:
for I in "${COMPONENTS[@]}"; do
C=$( echo ${I} | awk -F= '{print $1}' )
REV=$( echo ${I} | awk -F= '{print $2}' )
URL="github.com/${C}"
if [ -z "$REV" ]; then
# get revision from engine/vendor.mod
REV=$( grep "${URL}" "${work_dir}"/*/engine/vendor.mod | head -1 | awk '{print $2}' | cut -d- -f3 )
fi
if [ -z "${REV}" ]; then
error "Could not find commit for ${C}"
exit 1
fi
COMP=${C##*/}
FN="$( readlink -f ../${DEB_SOURCE}_${VERSION}.orig-${COMP}.tar.gz )"
info "Process ${I}" "component = $COMP" "revision = $REV" "filename = $FN"
if [ ! -s "${FN}" ]; then
## download tarball:
archive_url="https://${URL}/archive/${REV}.tar.gz"
info "Requesting URL:" "$archive_url"
wget --quiet --tries=3 --timeout=40 --read-timeout=40 --continue \
-O "${FN}" "$archive_url"
info "Successfully downloaded package: $(basename ${FN})"
## extract tarball:
info "Unpack tarball:"
component_dir="$( mktemp -d -t get-orig-source_XXXXXXXX )"
mkdir "${component_dir}"/${COMP}
tar -xf "${FN}" -C "${component_dir}"/${COMP} --strip-components=1
## drop excluded files:
info "Drop excluded files:"
drop_files_excluded "${component_dir}"/${COMP}
## repack:
info "Repack tarball:"
tarpack "${component_dir}" "${FN}"
rm -rf "${component_dir}"
## make orig tarball:
mkorigtargz_opts=(
"--package" "${DEB_SOURCE}" "--version" "${VERSION}"
"--rename" "--repack" "--compression" "xz" "--directory" ".."
"--copyright-file" "debian/copyright" "--component" "${COMP}"
"${FN}")
info "Launch mk-origtargz with options:" "$(echo ${mkorigtargz_opts[@]})"
mk-origtargz "${mkorigtargz_opts[@]}"
fi
done
# vim: et sts=4 sw=4
|
