Adding upstream version 2.25.15.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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293
scripts/debrepro.sh
Executable file
293
scripts/debrepro.sh
Executable file
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#!/bin/sh
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# debrepro: a reproducibility tester for Debian packages
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#
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# © 2016 Antonio Terceiro <terceiro@debian.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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set -eu
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check_dependencies() {
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for optional in disorderfs diffoscope; do
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if ! command -v "$optional" > /dev/null; then
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echo "W: $optional not installed, there will be missing functionality" >&2
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fi
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done
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local failed=''
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for mandatory in faketime; do
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if ! command -v "$mandatory" > /dev/null; then
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echo "E: $mandatory not installed, cannot proceed." >&2
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failed=yes
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fi
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done
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if [ -n "$failed" ]; then
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exit 3
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fi
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}
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usage() {
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echo "usage: $0 [OPTIONS] [SOURCEDIR]"
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echo ""
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echo "Options:"
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echo ""
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echo " -b,--before-second-build COMMAND Run COMMAND before second build"
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echo " (e.g. apply a patch)"
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echo " -B, --build-command COMMAND Use COMMAND as the build command"
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echo " (default: dpkg-buildpackage -b -us -uc)"
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echo " -a, --artifact-pattern Shell glob pattern to determine which"
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echo " artifacts should be compared across the"
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echo " different builds (default: ../*.deb)"
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echo " -n, --no-copy Does not copy the source tree before"
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echo " each build; run commands directly in the"
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echo " source tree."
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echo " -s,--skip VARIATION Don't perform the named variation"
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echo " -h,--help Display this help message and exit"
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}
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first_banner=y
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banner() {
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if [ "$first_banner" = n ]; then
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echo
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fi
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echo "$@" | sed -e 's/./=/g'
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echo "$@"
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echo "$@" | sed -e 's/./=/g'
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echo
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first_banner=n
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}
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variation() {
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echo
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echo "# Variation:" "$@"
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}
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vary() {
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local var="$1"
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for skipped in $skip_variations; do
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if [ "$skipped" = "$var" ]; then
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return
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fi
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done
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variation "$var"
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local first="$2"
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local second="$3"
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if [ "$which_build" = 'first' ]; then
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if [ -n "$first" ]; then
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echo "$first"
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fi
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else
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echo "$second"
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fi
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}
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create_build_script() {
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echo 'set -eu'
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echo
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echo "# this script must be run from inside an unpacked Debian source"
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echo "# package"
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echo
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vary path \
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'' \
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'export PATH="$PATH":/i/capture/the/path'
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vary user \
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'export USER=user1' \
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'export USER=user2'
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vary umask \
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'umask 0022' \
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'umask 0002'
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vary locale \
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'export LC_ALL=C.UTF-8 LANG=C.UTF-8' \
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'export LC_ALL=pt_BR.UTF-8 LANG=pt_BR.UTF-8'
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vary timezone \
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'export TZ=GMT+12' \
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'export TZ=GMT-14'
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if command -v disorderfs >/dev/null; then
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disorderfs_commands='cd .. &&
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mv source orig &&
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mkdir source &&
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disorderfs --shuffle-dirents=yes orig source &&
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trap "cd .. && fusermount -u source && rmdir source && mv orig source" INT TERM EXIT &&
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cd source'
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vary filesystem-ordering \
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'' \
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"$disorderfs_commands"
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fi
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echo 'build_prefix=""'
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vary time \
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'' \
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'build_prefix="faketime +213days+7hours+13minutes"; export NO_FAKE_STAT=1'
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if [ -n "$timeout" ]; then
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echo "build_prefix=\"timeout $timeout \$build_prefix\""
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fi
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echo '${build_prefix:-} '"${build_command:-dpkg-buildpackage -b -us -uc}"
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}
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build() {
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export which_build="$1"
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mkdir "$tmpdir/build"
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if [ "${copy}" = yes ]; then
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cp -r "$SOURCE" "$tmpdir/build/source"
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cd "$tmpdir/build/source"
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fi
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if [ "$which_build" = second ] && [ -n "$before_second_build_command" ]; then
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banner "I: running before second build: $before_second_build_command"
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sh -c "$before_second_build_command"
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fi
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create_build_script > $tmpdir/build/build.sh
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if ! sh $tmpdir/build/build.sh; then
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echo "E: $which_build build failed"
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exit 1
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fi
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mkdir -p $tmpdir/build/artifacts
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cp ${artifact_pattern} $tmpdir/build/artifacts/ || true
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if [ "${copy}" = yes ]; then
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cd - > /dev/null
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fi
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mv "$tmpdir/build" "$tmpdir/$which_build"
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}
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binmatch() {
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cmp --silent "$1" "$2"
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}
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compare() {
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rc=0
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diff=binmatch
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if command -v diffoscope >/dev/null; then
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diff=diffoscope
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fi
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for first_artifact in "$tmpdir"/first/artifacts/${artifact_pattern}; do
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artifact_name="$(basename "$first_artifact")"
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second_artifact="$tmpdir"/second/artifacts/"$artifact_name"
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if [ ! -f "${first_artifact}" ]; then
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echo "✗ $artifact_name: not found"
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rc=1
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elif ${diff} "$first_artifact" "$second_artifact"; then
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echo "✓ $artifact_name: files match"
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else
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echo "✗ $artifact_name: files don't match"
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rc=1
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fi
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done
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if [ "$rc" -ne 0 ]; then
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echo "E: package is not reproducible."
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fi
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return "$rc"
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}
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TEMP=$(getopt -n "debrepro" -o 'hs:b:B:a:nft:' \
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-l 'help,skip:,before-second-build:,build-command:,artifact-pattern:,no-copy,force,timeout:' \
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-- "$@") || (rc=$?; usage >&2; exit $rc)
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eval set -- "$TEMP"
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skip_variations=""
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before_second_build_command=''
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timeout=''
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build_command=''
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artifact_pattern="../*.deb"
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copy=yes
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while true; do
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case "$1" in
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-s|--skip)
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case "$2" in
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user|path|umask|locale|timezone|filesystem-ordering|time)
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skip_variations="$skip_variations $2"
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;;
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*)
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echo "E: invalid variation name $2"
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exit 1
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;;
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esac
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shift
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;;
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-b|--before-second-build)
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before_second_build_command="$2"
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shift
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;;
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-B|--build-command)
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build_command="$2"
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shift
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;;
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-a|--artifact-pattern)
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artifact_pattern="$2"
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shift
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;;
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-n|--no-copy)
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copy=no
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skip_variations="$skip_variations filesystem-ordering"
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;;
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-t|--timeout)
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timeout="$2"
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shift
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;;
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-h|--help)
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usage
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exit
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;;
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--)
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shift
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break
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;;
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esac
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shift
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done
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SOURCE="${1:-}"
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if [ -z "$SOURCE" ]; then
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SOURCE="$(pwd)"
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fi
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if [ ! -f "$SOURCE/debian/changelog" ]; then
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if [ -n "${build_command}" ]; then
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echo "W: $SOURCE does not look like a Debian source package, but proceeding anyway since a custom build command as provided"
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else
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echo "E: $SOURCE does not look like a Debian source package"
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exit 2
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fi
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fi
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tmpdir=$(mktemp --directory --tmpdir debrepro.XXXXXXXXXX)
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trap "if [ \$? -eq 0 ]; then rm -rf $tmpdir; else echo; echo 'I: artifacts left in $tmpdir'; fi" INT TERM EXIT
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check_dependencies
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banner "First build"
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build first
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banner "Second build"
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build second
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banner "Comparing artifacts"
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compare first second
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# vim:ts=4 sw=4 et
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