Adding upstream version 2.21.3+deb11u1.upstream/2.21.3+deb11u1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 255 insertions, 0 deletions

diff --git a/scripts/debrepro.sh b/scripts/debrepro.sh
new file mode 100755
index 0000000..fd044d3
--- /dev/null
+++ b/scripts/debrepro.sh
@@ -0,0 +1,255 @@
+#!/bin/sh
+
+# debrepro: a reproducibility tester for Debian packages
+#
+# © 2016 Antonio Terceiro <terceiro@debian.org>
+#
+# 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 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 <https://www.gnu.org/licenses/>.
+
+set -eu
+
+check_dependencies() {
+    for optional in disorderfs diffoscope; do
+        if ! which "$optional" > /dev/null; then
+            echo "W: $optional not installed, there will be missing functionality" >&2
+        fi
+    done
+
+    local failed=''
+    for mandatory in faketime; do
+        if ! which "$mandatory" > /dev/null; then
+            echo "E: $mandatory not installed, cannot proceed." >&2
+            failed=yes
+        fi
+    done
+    if [ -n "$failed" ]; then
+        exit 3
+    fi
+}
+
+usage() {
+    echo "usage: $0 [OPTIONS] [SOURCEDIR]"
+    echo ""
+    echo "Options:"
+    echo ""
+    echo " -b,--before-second-build COMMAND  Run COMMAND before second build"
+    echo "                                   (e.g. apply a patch)"
+    echo " -s,--skip VARIATION               Don't perform the named variation"
+    echo " -h,--help                         Display this help message and exit"
+}
+
+first_banner=y
+banner() {
+    if [ "$first_banner" = n ]; then
+        echo
+    fi
+    echo "$@" | sed -e 's/./=/g'
+    echo "$@"
+    echo "$@" | sed -e 's/./=/g'
+    echo
+    first_banner=n
+}
+
+variation() {
+    echo
+    echo "# Variation:" "$@"
+}
+
+vary() {
+    local var="$1"
+
+    for skipped in $skip_variations; do
+        if [ "$skipped" = "$var" ]; then
+            return
+        fi
+    done
+
+    variation "$var"
+    local first="$2"
+    local second="$3"
+    if [ "$which_build" = 'first' ]; then
+        if [ -n "$first" ]; then
+            echo "$first"
+        fi
+    else
+        echo "$second"
+    fi
+}
+
+create_build_script() {
+    echo 'set -eu'
+
+    echo
+    echo "# this script must be run from inside an unpacked Debian source"
+    echo "# package"
+    echo
+
+    vary path \
+        '' \
+        'export PATH="$PATH":/i/capture/the/path'
+
+    vary user \
+        'export USER=user1' \
+        'export USER=user2'
+
+    vary umask \
+        'umask 0022' \
+        'umask 0002'
+
+    vary locale \
+        'export LC_ALL=C.UTF-8 LANG=C.UTF-8' \
+        'export LC_ALL=pt_BR.UTF-8 LANG=pt_BR.UTF-8'
+
+    vary timezone \
+        'export TZ=GMT+12' \
+        'export TZ=GMT-14'
+
+    if which disorderfs >/dev/null; then
+        disorderfs_commands='cd .. &&
+mv source orig &&
+mkdir source &&
+disorderfs --shuffle-dirents=yes orig source &&
+trap "cd .. && fusermount -u source && rmdir source && mv orig source" INT TERM EXIT &&
+cd source'
+        vary filesystem-ordering \
+            '' \
+            "$disorderfs_commands"
+    fi
+
+    echo 'build_prefix=""'
+
+    vary time \
+        '' \
+        'build_prefix="faketime +213days+7hours+13minutes"; export NO_FAKE_STAT=1'
+
+    if [ -n "$timeout" ]; then
+        echo "build_prefix=\"timeout $timeout \$build_prefix\""
+    fi
+
+    echo '${build_prefix:-} dpkg-buildpackage -b -us -uc'
+}
+
+
+build() {
+    export which_build="$1"
+    mkdir "$tmpdir/build"
+
+    cp -r "$SOURCE" "$tmpdir/build/source"
+    cd "$tmpdir/build/source"
+
+    if [ "$which_build" = second ] && [ -n "$before_second_build_command" ]; then
+        banner "I: running before second build: $before_second_build_command"
+        sh -c "$before_second_build_command"
+    fi
+
+    create_build_script > ../build.sh
+    sh ../build.sh
+    cd -
+
+    mv "$tmpdir/build" "$tmpdir/$which_build"
+}
+
+binmatch() {
+    cmp --silent "$1" "$2"
+}
+
+compare() {
+    rc=0
+    for first_deb in "$tmpdir"/first/*.deb; do
+        deb="$(basename "$first_deb")"
+        second_deb="$tmpdir"/second/"$deb"
+        if binmatch "$first_deb" "$second_deb"; then
+            echo "✓ $deb: binaries match"
+        else
+            echo "✗ $deb: binaries don't match"
+            rc=1
+        fi
+    done
+    if [ "$rc" -ne 0 ]; then
+        if which diffoscope >/dev/null; then
+            diffoscope "$tmpdir"/first/*.changes "$tmpdir"/second/*.changes || true
+        else
+            echo "I: install diffoscope for a deep comparison between artifacts"
+        fi
+        echo "E: package is not reproducible."
+    fi
+    return "$rc"
+}
+
+TEMP=$(getopt -n "debrepro" -o 'hs:b:t:' \
+    -l 'help,skip:,before-second-build:,timeout:' \
+    -- "$@") || (rc=$?; usage >&2; exit $rc)
+eval set -- "$TEMP"
+
+skip_variations=""
+before_second_build_command=''
+timeout=''
+while true; do
+    case "$1" in
+        -s|--skip)
+            case "$2" in
+                user|path|umask|locale|timezone|filesystem-ordering|time)
+                    skip_variations="$skip_variations $2"
+                    ;;
+                *)
+                    echo "E: invalid variation name $2"
+                    exit 1
+                    ;;
+            esac
+            shift
+            ;;
+        -b|--before-second-build)
+            before_second_build_command="$2"
+            shift
+            ;;
+        -t|--timeout)
+            timeout="$2"
+            shift
+            ;;
+        -h|--help)
+            usage
+            exit
+            ;;
+        --)
+            shift
+            break
+            ;;
+    esac
+    shift
+done
+
+SOURCE="${1:-}"
+if [ -z "$SOURCE" ]; then
+    SOURCE="$(pwd)"
+fi
+if [ ! -f "$SOURCE/debian/changelog" ]; then
+    echo "E: $SOURCE does not look like a Debian source package"
+    exit 2
+fi
+
+tmpdir=$(mktemp --directory --tmpdir debrepro.XXXXXXXXXX)
+trap "if [ \$? -eq 0 ]; then rm -rf $tmpdir; else echo; echo 'I: artifacts left in $tmpdir'; fi" INT TERM EXIT
+
+check_dependencies
+
+banner "First build"
+build first
+
+banner "Second build"
+build second
+
+banner "Comparing binaries"
+compare first second
+
+# vim:ts=4 sw=4 et