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#!/bin/bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -e
# shellcheck source=/dev/null
. /usr/lib/os-release
if [[ ! -d "pkg/$ID/debian" ]]; then
echo "deb rules not found at pkg/$ID/debian, run mkosi once with -ff to make sure the rules are cloned" >&2
exit 1
fi
# We transplant the debian/ folder from the deb package sources into the upstream sources.
mount --mkdir --bind "$SRCDIR/pkg/$ID/debian" "$SRCDIR"/debian
# We remove the patches so they don't get applied.
rm -rf "$SRCDIR"/debian/patches/*
# While the build directory can be specified through DH_OPTIONS, the default one is hardcoded everywhere so
# we have to use that. Because it is architecture dependent, we query it using dpkg-architecture first.
DEB_HOST_GNU_TYPE="$(dpkg-architecture --query DEB_HOST_GNU_TYPE)"
mount --mkdir --bind "$BUILDDIR" "$SRCDIR/obj-$DEB_HOST_GNU_TYPE"
if [[ -d .git/ ]] && [[ -z "$(git status --porcelain)" ]]; then
TS="$(git show --no-patch --format=%ct HEAD)"
else
TS="${SOURCE_DATE_EPOCH:-$(date +%s)}"
fi
# Add a new changelog entry to update the version. We use a fixed date since a dynamic one causes a full
# rebuild every time.
cat >debian/changelog.new <<EOF
systemd ($(cat meson.version)-$(date "+%Y%m%d%H%M%S" --date "@$TS")) UNRELEASED; urgency=low
* Automatic build from mkosi
-- systemd test <systemd-devel@lists.freedesktop.org> $(date --rfc-email --date "@$TS")
EOF
cat debian/changelog >>debian/changelog.new
mv debian/changelog.new debian/changelog
MKOSI_CFLAGS="-O0"
if ((LLVM)); then
# TODO: Remove -fno-sanitize-function when https://github.com/systemd/systemd/issues/29972 is fixed.
MKOSI_CFLAGS="$MKOSI_CFLAGS -shared-libasan -fno-sanitize=function"
fi
MKOSI_LDFLAGS=""
if ((LLVM)) && [[ -n "$SANITIZERS" ]]; then
MKOSI_LDFLAGS="$MKOSI_LDFLAGS -Wl,-rpath=$(realpath "$(clang --print-runtime-dir)")"
fi
MKOSI_MESON_OPTIONS="-D mode=developer -D b_sanitize=${SANITIZERS:-none}"
if ((WIPE)) && [[ -d "$BUILDDIR/meson-private" ]]; then
MKOSI_MESON_OPTIONS="$MKOSI_MESON_OPTIONS --wipe"
fi
# TODO: Drop GENSYMBOLS_LEVEL once https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986746 is fixed.
build() {
env \
CC="$( ((LLVM)) && echo clang || echo gcc)" \
CXX="$( ((LLVM)) && echo clang++ || echo g++)" \
CC_LD="$( ((LLVM)) && echo lld)" \
CXX_LD="$( ((LLVM)) && echo lld)" \
DEB_BUILD_OPTIONS="$(awk '$1=$1' <<<"\
$( ((WITH_TESTS)) || echo nocheck) \
$( ((WITH_DOCS)) || echo nodoc) \
$( ((WITH_DEBUG)) && echo debug || echo nostrip) \
$( ! ((MESON_VERBOSE)) && echo terse) \
optimize=-lto \
hardening=-fortify \
")" \
DEB_BUILD_PROFILES="$(awk '$1=$1' <<<"\
$( ((WITH_TESTS)) || echo nocheck) \
$( ((WITH_DOCS)) || echo nodoc) \
pkg.systemd.upstream \
")" \
DEB_CFLAGS_APPEND="$MKOSI_CFLAGS $CFLAGS" \
DEB_CXXFLAGS_APPEND="$MKOSI_CFLAGS $CFLAGS" \
DEB_LDFLAGS_APPEND="$MKOSI_LDFLAGS $LDFLAGS" \
DPKG_FORCE="unsafe-io" \
DPKG_DEB_COMPRESSOR_TYPE="none" \
DH_MISSING="--fail-missing" \
CONFFLAGS_UPSTREAM="$MKOSI_MESON_OPTIONS $MESON_OPTIONS" \
GENSYMBOLS_LEVEL="$( ((LLVM)) && echo 0 || echo 1)" \
dpkg-buildpackage \
--no-pre-clean \
--unsigned-changes \
--build=binary
EXIT_STATUS=$?
# Make sure we don't reconfigure twice.
MKOSI_MESON_OPTIONS="${MKOSI_MESON_OPTIONS//"--wipe"/}"
return $EXIT_STATUS
}
if ! build; then
# debhelper installs files for each package to debian/<package> so we figure out which files were
# packaged by querying all the package names from debian/control and running find on each of the
# corresponding package directory in debian/.
grep "Package:" debian/control |
sed "s/Package: //" |
xargs -d '\n' -I {} sh -c "[ -d debian/{} ] && (cd debian/{} && find . ! -type d ! -path "*dh-exec*" -printf '%P\n')" |
# Remove compression suffix from compressed manpages as the manpages in debian/tmp will be uncompressed.
sed --regexp-extended 's/([0-9])\.gz$/\1/' |
sort --unique >/tmp/packaged-files
# We figure out the installed files by running find on debian/tmp/ which contains the files installed
# by meson install.
(cd debian/tmp/ && find . ! -type d ! -path "*dh-exec*" -printf '%P\n') >/tmp/installed-files
if [[ -f debian/not-installed ]]; then
grep --invert-match "^#" debian/not-installed >>/tmp/installed-files
fi
sort --unique --output /tmp/installed-files /tmp/installed-files
# We get all the installed files that were not packaged by finding entries in the installed file that are
# not in the packaged file.
comm -23 /tmp/installed-files /tmp/packaged-files > /tmp/unpackaged-files
# If there are no unpackaged files something else went wrong.
if [[ ! -s /tmp/unpackaged-files ]]; then
exit 1
fi
# Otherwise, we append the unpackaged files to the filelist for the systemd package and retry the build.
cat /tmp/unpackaged-files >>debian/systemd.install
build
fi
(
shopt -s nullglob
rm -f "$BUILDDIR"/*.deb "$BUILDDIR"/*.ddeb
cp ../*.deb ../*.ddeb "$PACKAGEDIR"
cp ../*.deb ../*.ddeb "$OUTPUTDIR"
cp ../*.deb ../*.ddeb "$BUILDDIR"
# These conflict with the packages that we actually want to install, so remove them
rm -f "$BUILDDIR"/systemd-standalone-*.deb "$BUILDDIR"/systemd-standalone-*.ddeb
)
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