synapse/docker/build_debian.sh

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#!/usr/bin/env bash
# The script to build the Debian package, as ran inside the Docker image.
set -ex
# Get the codename from distro env
DIST=$(cut -d ':' -f2 <<< "${distro:?}")
# we get a read-only copy of the source: make a writeable copy
cp -aT /synapse/source /synapse/build
cd /synapse/build
# Delete any existing `.so` files to ensure a clean build.
rm -f /synapse/build/synapse/*.so
# if this is a prerelease, set the Section accordingly.
#
# When the package is later added to the package repo, reprepro will use the
# Section to determine which "component" it should go into (see
# https://manpages.debian.org/stretch/reprepro/reprepro.1.en.html#GUESSING)
DEB_VERSION=$(dpkg-parsechangelog -SVersion)
case $DEB_VERSION in
*~rc*|*~a*|*~b*|*~c*)
sed -ie '/^Section:/c\Section: prerelease' debian/control
;;
esac
# add an entry to the changelog for this distribution
dch -M -l "+$DIST" "build for $DIST"
dch -M -r "" --force-distribution --distribution "$DIST"
dpkg-buildpackage -us -uc
ls -l ..
# copy the build results out, setting perms if necessary
shopt -s nullglob
for i in ../*.deb ../*.dsc ../*.tar.xz ../*.changes ../*.buildinfo; do
[ -z "$TARGET_USERID" ] || chown "$TARGET_USERID" "$i"
[ -z "$TARGET_GROUPID" ] || chgrp "$TARGET_GROUPID" "$i"
mv "$i" /debs
done