tests: try to support spaces in TMPDIR

Not all tests work yet, most notable the cdrom tests, but those require
changes in libapt itself to have a proper fix and what we have fixed so
far is good enough progress for now.

Git-Dch: Ignore

21 files changed, 392 insertions, 386 deletions

diff --git a/debian/apt.auto-removal.sh b/debian/apt.auto-removal.sh
index 6af5da987..dc3a1baca 100644
--- a/debian/apt.auto-removal.sh
+++ b/debian/apt.auto-removal.sh
@@ -19,7 +19,7 @@ eval $(apt-config shell DPKG Dir::bin::dpkg/f)
 test -n "$DPKG" || DPKG="/usr/bin/dpkg"
 
 
-list="$(${DPKG} -l | awk '/^[ih][^nc][ ]+(linux|kfreebsd|gnumach)-image-[0-9]+\./ && $2 !~ /-dbg$/ && $2 !~ /-dbgsym$/ { print $2,$3; }' \
+list="$("${DPKG}" -l | awk '/^[ih][^nc][ ]+(linux|kfreebsd|gnumach)-image-[0-9]+\./ && $2 !~ /-dbg$/ && $2 !~ /-dbgsym$/ { print $2,$3; }' \
    | sed -e 's#^\(linux\|kfreebsd\|gnumach\)-image-##' -e 's#:[^:]\+ # #')"
 debverlist="$(echo "$list" | cut -d' ' -f 2 | sort --unique --reverse --version-sort)"
 
diff --git a/test/integration/framework b/test/integration/framework
index c830d852b..83f93217f 100644
--- a/test/integration/framework
+++ b/test/integration/framework
@@ -187,7 +187,7 @@ dpkg() {
 	"${TMPWORKINGDIRECTORY}/rootdir/usr/bin/dpkg" "$@"
 }
 dpkgcheckbuilddeps() {
-	command dpkg-checkbuilddeps --admindir=${TMPWORKINGDIRECTORY}/rootdir/var/lib/dpkg "$@"
+	command dpkg-checkbuilddeps --admindir="${TMPWORKINGDIRECTORY}/rootdir/var/lib/dpkg" "$@"
 }
 gdb() {
 	local CMD
@@ -199,7 +199,7 @@ gdb() {
 	aptmark) CMD="apt-mark";;
 	apthelper) CMD="apt-helper";;
 	aptftparchive) CMD="apt-ftparchive";;
-	dpkg) shift; runapt ${TMPWORKINGDIRECTORY}/rootdir/usr/bin/gdb-dpkg "$@"; return;;
+	dpkg) shift; runapt "${TMPWORKINGDIRECTORY}/rootdir/usr/bin/gdb-dpkg" "$@"; return;;
 	*) CMD="$1";;
 	esac
 	shift
@@ -242,9 +242,9 @@ setupenvironment() {
 	if [ -n "$TMPDIR" ] && [ "$(id -u)" = '0' ] && [ "$(stat --format '%a' "$TMPDIR")" != '1777' ]; then
 		unset TMPDIR
 	fi
-	TMPWORKINGDIRECTORY=$(mktemp -d)
-	addtrap "cd /; rm -rf $TMPWORKINGDIRECTORY;"
-	msgninfo "Preparing environment for $(basename $0) in ${TMPWORKINGDIRECTORY}…"
+	TMPWORKINGDIRECTORY="$(mktemp -d)"
+	addtrap "cd /; rm -rf \"$TMPWORKINGDIRECTORY\";"
+	msgninfo "Preparing environment for ${0##*/} in ${TMPWORKINGDIRECTORY}…"
 
 	mkdir -m 700 "${TMPWORKINGDIRECTORY}/downloaded"
 	if [ "$(id -u)" = '0' ]; then
@@ -254,20 +254,20 @@ setupenvironment() {
 		chown _apt:root "${TMPWORKINGDIRECTORY}/downloaded"
 	fi
 
-	TESTDIRECTORY=$(readlink -f $(dirname $0))
+	TESTDIRECTORY="$(readlink -f "$(dirname $0)")"
         # allow overriding the default BUILDDIR location
-	SOURCEDIRECTORY=${APT_INTEGRATION_TESTS_SOURCE_DIR:-"${TESTDIRECTORY}/../../"}
-	BUILDDIRECTORY=${APT_INTEGRATION_TESTS_BUILD_DIR:-"${TESTDIRECTORY}/../../build/bin"}
-	LIBRARYPATH=${APT_INTEGRATION_TESTS_LIBRARY_PATH:-"${BUILDDIRECTORY}"}
-        METHODSDIR=${APT_INTEGRATION_TESTS_METHODS_DIR:-"${BUILDDIRECTORY}/methods"}
-        APTHELPERBINDIR=${APT_INTEGRATION_TESTS_LIBEXEC_DIR:-"${BUILDDIRECTORY}"}
-        APTWEBSERVERBINDIR=${APT_INTEGRATION_TESTS_WEBSERVER_BIN_DIR:-"${BUILDDIRECTORY}"}
-        APTINTERNALSOLVER=${APT_INTEGRATION_TESTS_INTERNAL_SOLVER:-"${BUILDDIRECTORY}/apt-internal-solver"}
-	APTDUMPSOLVER=${APT_INTEGRATION_TESTS_DUMP_SOLVER:-"${BUILDDIRECTORY}/apt-dump-solver"}
+	SOURCEDIRECTORY="${APT_INTEGRATION_TESTS_SOURCE_DIR:-"${TESTDIRECTORY}/../../"}"
+	BUILDDIRECTORY="${APT_INTEGRATION_TESTS_BUILD_DIR:-"${TESTDIRECTORY}/../../build/bin"}"
+	LIBRARYPATH="${APT_INTEGRATION_TESTS_LIBRARY_PATH:-"${BUILDDIRECTORY}"}"
+        METHODSDIR="${APT_INTEGRATION_TESTS_METHODS_DIR:-"${BUILDDIRECTORY}/methods"}"
+        APTHELPERBINDIR="${APT_INTEGRATION_TESTS_LIBEXEC_DIR:-"${BUILDDIRECTORY}"}"
+        APTWEBSERVERBINDIR="${APT_INTEGRATION_TESTS_WEBSERVER_BIN_DIR:-"${BUILDDIRECTORY}"}"
+        APTINTERNALSOLVER="${APT_INTEGRATION_TESTS_INTERNAL_SOLVER:-"${BUILDDIRECTORY}/apt-internal-solver"}"
+	APTDUMPSOLVER="${APT_INTEGRATION_TESTS_DUMP_SOLVER:-"${BUILDDIRECTORY}/apt-dump-solver"}"
 	test -x "${BUILDDIRECTORY}/apt-get" || msgdie "You need to build tree first"
         # -----
 
-	cd $TMPWORKINGDIRECTORY
+	cd "$TMPWORKINGDIRECTORY"
 	mkdir rootdir aptarchive keys
 	cd rootdir
 	mkdir -p etc/apt/apt.conf.d etc/apt/sources.list.d etc/apt/trusted.gpg.d etc/apt/preferences.d
@@ -275,7 +275,7 @@ setupenvironment() {
 	mkdir -p var/lib/dpkg/info var/lib/dpkg/updates var/lib/dpkg/triggers
 	touch var/lib/dpkg/available
 	mkdir -p usr/lib/apt
-	ln -s ${METHODSDIR} usr/lib/apt/methods
+	ln -s "${METHODSDIR}" usr/lib/apt/methods
 	if [ "$BUILDDIRECTORY" = "$LIBRARYPATH" ]; then
 		mkdir -p usr/lib/apt/solvers
 		ln -s "${BUILDDIRECTORY}/apt-dump-solver" usr/lib/apt/solvers/dump
@@ -284,23 +284,26 @@ setupenvironment() {
 	fi
         # use the autoremove from the BUILDDIRECTORY if its there, otherwise
         # system
-        if [ -e ${BUILDDIRECTORY}/../../debian/apt.conf.autoremove ]; then
-	    ln -s ${BUILDDIRECTORY}/../../debian/apt.conf.autoremove etc/apt/apt.conf.d/01autoremove
+        if [ -e "${BUILDDIRECTORY}/../../debian/apt.conf.autoremove" ]; then
+	    ln -s "${BUILDDIRECTORY}/../../debian/apt.conf.autoremove" etc/apt/apt.conf.d/01autoremove
         else
 	    ln -s /etc/apt/apt.conf.d/01autoremove etc/apt/apt.conf.d/01autoremove
         fi
 	cd ..
-	local PACKAGESFILE=$(echo "$(basename $0)" | sed -e 's/^test-/Packages-/' -e 's/^skip-/Packages-/')
+	local BASENAME="${0##*/}"
+	local PACKAGESFILE="Packages-${BASENAME#*-}"
 	if [ -f "${TESTDIRECTORY}/${PACKAGESFILE}" ]; then
 		cp "${TESTDIRECTORY}/${PACKAGESFILE}" aptarchive/Packages
 	fi
-	local SOURCESSFILE=$(echo "$(basename $0)" | sed -e 's/^test-/Sources-/' -e 's/^skip-/Sources-/')
+	local SOURCESSFILE="Sources-${BASENAME#*-}"
 	if [ -f "${TESTDIRECTORY}/${SOURCESSFILE}" ]; then
 		cp "${TESTDIRECTORY}/${SOURCESSFILE}" aptarchive/Sources
 	fi
-	cp $(find $TESTDIRECTORY -name '*.pub' -o -name '*.sec') keys/
-	chmod 644 $(find keys -name '*.pub' -o -name '*.sec')
-	ln -s ${TMPWORKINGDIRECTORY}/keys/joesixpack.pub rootdir/etc/apt/trusted.gpg.d/joesixpack.gpg
+	for key in $(find "$TESTDIRECTORY" -name '*.pub' -o -name '*.sec'); do
+		cp "$key" keys/
+		chmod 644 "$key"
+	done
+	ln -s "${TMPWORKINGDIRECTORY}/keys/joesixpack.pub" rootdir/etc/apt/trusted.gpg.d/joesixpack.gpg
 
 	echo "Dir \"${TMPWORKINGDIRECTORY}/rootdir\";" > aptconfig.conf
 	echo "Dir::state::status \"${TMPWORKINGDIRECTORY}/rootdir/var/lib/dpkg/status\";" >> aptconfig.conf
@@ -316,32 +319,31 @@ setupenvironment() {
 		echo "Dir::Bin::apt-key \"${BUILDDIRECTORY}/apt-key\";" >> aptconfig.conf
 	fi
 
-	cat << EOF > "${TMPWORKINGDIRECTORY}/rootdir/usr/bin/dpkg"
+	cat > "${TMPWORKINGDIRECTORY}/rootdir/usr/bin/dpkg" <<EOF
 #!/bin/sh
 set -e
 if [ -r "${TMPWORKINGDIRECTORY}/noopchroot.so" ]; then
-	if [ -n "\$LD_PRELOAD" ]; then
-		export LD_PRELOAD="${TMPWORKINGDIRECTORY}/noopchroot.so \${LD_PRELOAD}"
+	if [ -n "\$LD_LIBRARY_PATH" ]; then
+		export LD_LIBRARY_PATH="${TMPWORKINGDIRECTORY}:${LD_LIBRARY_PATH}"
 	else
-		export LD_PRELOAD="${TMPWORKINGDIRECTORY}/noopchroot.so"
+		export LD_LIBRARY_PATH="${TMPWORKINGDIRECTORY}"
 	fi
-fi
-exec fakeroot ${DPKG:-dpkg} --root="${TMPWORKINGDIRECTORY}/rootdir" \\
-	--log=${TMPWORKINGDIRECTORY}/rootdir/var/log/dpkg.log \\
-	--force-not-root --force-bad-path "\$@"
-EOF
-	cat << EOF > "${TMPWORKINGDIRECTORY}/rootdir/usr/bin/gdb-dpkg"
-#!/bin/sh
-set -e
-if [ -r "${TMPWORKINGDIRECTORY}/noopchroot.so" ]; then
 	if [ -n "\$LD_PRELOAD" ]; then
-		export LD_PRELOAD="${TMPWORKINGDIRECTORY}/noopchroot.so \${LD_PRELOAD}"
+		export LD_PRELOAD="noopchroot.so \${LD_PRELOAD}"
 	else
-		export LD_PRELOAD="${TMPWORKINGDIRECTORY}/noopchroot.so"
+		export LD_PRELOAD="noopchroot.so"
 	fi
 fi
+EOF
+	cp "${TMPWORKINGDIRECTORY}/rootdir/usr/bin/dpkg" "${TMPWORKINGDIRECTORY}/rootdir/usr/bin/gdb-dpkg"
+	cat >> "${TMPWORKINGDIRECTORY}/rootdir/usr/bin/dpkg" <<EOF
+exec fakeroot "${DPKG:-dpkg}" --root="${TMPWORKINGDIRECTORY}/rootdir" \\
+	--log="${TMPWORKINGDIRECTORY}/rootdir/var/log/dpkg.log" \\
+	--force-not-root --force-bad-path "\$@"
+EOF
+	cat >> "${TMPWORKINGDIRECTORY}/rootdir/usr/bin/gdb-dpkg" <<EOF
 exec fakeroot gdb --quiet -ex run "${DPKG:-dpkg}" --args "${DPKG:-dpkg}" --root="${TMPWORKINGDIRECTORY}/rootdir" \\
-	--log=${TMPWORKINGDIRECTORY}/rootdir/var/log/dpkg.log \\
+	--log="${TMPWORKINGDIRECTORY}/rootdir/var/log/dpkg.log" \\
 	--force-not-root --force-bad-path "\$@"
 EOF
 	chmod +x "${TMPWORKINGDIRECTORY}/rootdir/usr/bin/dpkg" "${TMPWORKINGDIRECTORY}/rootdir/usr/bin/gdb-dpkg"
@@ -425,7 +427,8 @@ configarchitecture() {
 
 configdpkg() {
 	if [ ! -e rootdir/var/lib/dpkg/status ]; then
-		local STATUSFILE=$(echo "$(basename $0)" | sed -e 's/^test-/status-/' -e 's/^skip-/status-/')
+		local BASENAME="${0##*/}"
+		local STATUSFILE="status-${BASENAME#*-}"
 		if [ -f "${TESTDIRECTORY}/${STATUSFILE}" ]; then
 			cp "${TESTDIRECTORY}/${STATUSFILE}" rootdir/var/lib/dpkg/status
 		else
@@ -460,7 +463,7 @@ configdpkgnoopchroot() {
 	# via execvp() as used by dpkg as we don't want our rootdir to be a fullblown
 	# chroot directory dpkg could chroot into to execute the maintainer scripts
 	msgtest 'Building library to preload to make maintainerscript work in' 'dpkg'
-	cat << EOF > noopchroot.c
+	cat > noopchroot.c << EOF
 #define _GNU_SOURCE
 #include <stdio.h>
 #include <stdlib.h>
@@ -512,7 +515,7 @@ configcompression() {
 		*) printf "$1\t$1\t$1\n";;
 		esac
 		shift
-	done > ${TMPWORKINGDIRECTORY}/rootdir/etc/testcase-compressor.conf
+	done > "${TMPWORKINGDIRECTORY}/rootdir/etc/testcase-compressor.conf"
 }
 confighashes() {
 	{
@@ -573,10 +576,10 @@ setupsimplenativepackage() {
 
 	local SECTION="${7:-others}"
 	local DISTSECTION
-	if [ "$SECTION" = "$(echo "$SECTION" | cut -d'/' -f 2)" ]; then
+	if [ "$SECTION" = "${SECTION#*/}" ]; then
 		DISTSECTION="main"
 	else
-		DISTSECTION="$(echo "$SECTION" | cut -d'/' -f 1)"
+		DISTSECTION="${SECTION%/*}"
 	fi
 	local BUILDDIR=incoming/${NAME}-${VERSION}
 	mkdir -p ${BUILDDIR}/debian/source
@@ -629,56 +632,58 @@ buildsimplenativepackage() {
 
 	local SECTION="${7:-others}"
 	local PRIORITY="${8:-optional}"
-        local FILE_TREE="$9"
-        local COMPRESS_TYPE="${10:-gzip}"
+	local FILE_TREE="$9"
+	local COMPRESS_TYPE="${10:-gzip}"
 	local DISTSECTION
-	if [ "$SECTION" = "$(echo "$SECTION" | cut -d'/' -f 2)" ]; then
+	if [ "$SECTION" = "${SECTION#*/}" ]; then
 		DISTSECTION="main"
 	else
-		DISTSECTION="$(echo "$SECTION" | cut -d'/' -f 1)"
+		DISTSECTION="${SECTION%/*}"
 	fi
-	local BUILDDIR=${TMPWORKINGDIRECTORY}/incoming/${NAME}-${VERSION}
+	local BUILDDIR="${TMPWORKINGDIRECTORY}/incoming/${NAME}-${VERSION}"
 
 	msgtest "Build source package in version ${VERSION} for ${RELEASE} in ${DISTSECTION}" "$NAME"
-	mkdir -p $BUILDDIR/debian/source
-	echo "* most suckless software product ever" > ${BUILDDIR}/FEATURES
+	mkdir -p "$BUILDDIR/debian/source"
+	echo "* most suckless software product ever" > "${BUILDDIR}/FEATURES"
 	echo "#!/bin/sh
-echo '$NAME says \"Hello!\"'" > ${BUILDDIR}/${NAME}
+echo '$NAME says \"Hello!\"'" > "${BUILDDIR}/${NAME}"
 
-	echo "Copyleft by Joe Sixpack $(date +%Y)" > ${BUILDDIR}/debian/copyright
+	echo "Copyleft by Joe Sixpack $(date +%Y)" > "${BUILDDIR}/debian/copyright"
 	echo "$NAME ($VERSION) $RELEASE; urgency=low
 
   * Initial release
 
- -- Joe Sixpack <joe@example.org>  $(date -R)" > ${BUILDDIR}/debian/changelog
-	echo "Source: $NAME
+ -- Joe Sixpack <joe@example.org>  $(date -R)" > "${BUILDDIR}/debian/changelog"
+	{
+		echo "Source: $NAME
 Priority: $PRIORITY
 Maintainer: Joe Sixpack <joe@example.org>
-Standards-Version: 3.9.3" > ${BUILDDIR}/debian/control
-	if [ "$SECTION" != '<none>' ]; then
-		echo "Section: $SECTION" >> ${BUILDDIR}/debian/control
-	fi
-	local BUILDDEPS="$(echo "$DEPENDENCIES" | grep '^Build-')"
-	test -z "$BUILDDEPS" || echo "$BUILDDEPS" >> ${BUILDDIR}/debian/control
-	echo "
-Package: $NAME" >> ${BUILDDIR}/debian/control
+Standards-Version: 3.9.3"
+		if [ "$SECTION" != '<none>' ]; then
+			echo "Section: $SECTION"
+		fi
+		local BUILDDEPS="$(echo "$DEPENDENCIES" | grep '^Build-')"
+		test -z "$BUILDDEPS" || echo "$BUILDDEPS"
+		echo "
+Package: $NAME"
 
-	if [ "$ARCH" = 'all' ]; then
-		echo "Architecture: all" >> ${BUILDDIR}/debian/control
-	else
-		echo "Architecture: any" >> ${BUILDDIR}/debian/control
-	fi
-	local DEPS="$(echo "$DEPENDENCIES" | grep -v '^Build-')"
-	test -z "$DEPS" || echo "$DEPS" >> ${BUILDDIR}/debian/control
-	echo "Description: $DESCRIPTION" >> ${BUILDDIR}/debian/control
+		if [ "$ARCH" = 'all' ]; then
+			echo "Architecture: all"
+		else
+			echo "Architecture: any"
+		fi
+		local DEPS="$(echo "$DEPENDENCIES" | grep -v '^Build-')"
+		test -z "$DEPS" || echo "$DEPS"
+		echo "Description: $DESCRIPTION"
+	} > "${BUILDDIR}/debian/control"
 
-	echo '3.0 (native)' > ${BUILDDIR}/debian/source/format
-	cd ${BUILDDIR}/..
+	echo '3.0 (native)' > "${BUILDDIR}/debian/source/format"
+	cd "${BUILDDIR}/.."
 	testsuccess --nomsg dpkg-source -b ${NAME}-${VERSION}
 	cd - >/dev/null
-	sed -n 's#^dpkg-source: info: building [^ ]\+ in ##p' ${TMPWORKINGDIRECTORY}/rootdir/tmp/testsuccess.output \
+	sed -n 's#^dpkg-source: info: building [^ ]\+ in ##p' "${TMPWORKINGDIRECTORY}/rootdir/tmp/testsuccess.output" \
 		| while read SRC; do
-		echo "pool/${SRC}" >> ${BUILDDIR}/../${RELEASE}.${DISTSECTION}.srclist
+		echo "pool/${SRC}" >> "${BUILDDIR}/../${RELEASE}.${DISTSECTION}.srclist"
 #		if expr match "${SRC}" '.*\.dsc' >/dev/null 2>&1; then
 #			aptkey --keyring ./keys/joesixpack.pub --secret-keyring ./keys/joesixpack.sec --quiet --readonly \
 #				adv --yes --default-key 'Joe Sixpack' \
@@ -689,26 +694,26 @@ Package: $NAME" >> ${BUILDDIR}/debian/control
 
 	for arch in $(getarchitecturesfromcommalist "$ARCH"); do
 		msgtest "Build binary package for ${RELEASE} in ${SECTION}" "$NAME"
-		rm -rf ${BUILDDIR}/debian/tmp
-		mkdir -p ${BUILDDIR}/debian/tmp/DEBIAN ${BUILDDIR}/debian/tmp/usr/share/doc/${NAME} ${BUILDDIR}/debian/tmp/usr/bin
-		cp ${BUILDDIR}/debian/copyright ${BUILDDIR}/debian/changelog ${BUILDDIR}/FEATURES ${BUILDDIR}/debian/tmp/usr/share/doc/${NAME}
-		cp ${BUILDDIR}/${NAME} ${BUILDDIR}/debian/tmp/usr/bin/${NAME}-${arch}
+		rm -rf "${BUILDDIR}/debian/tmp"
+		mkdir -p "${BUILDDIR}/debian/tmp/DEBIAN" "${BUILDDIR}/debian/tmp/usr/share/doc/${NAME}" "${BUILDDIR}/debian/tmp/usr/bin"
+		cp "${BUILDDIR}/debian/copyright" "${BUILDDIR}/debian/changelog" "${BUILDDIR}/FEATURES" "${BUILDDIR}/debian/tmp/usr/share/doc/${NAME}"
+		cp "${BUILDDIR}/${NAME}" "${BUILDDIR}/debian/tmp/usr/bin/${NAME}-${arch}"
                 if [ -n "$FILE_TREE" ]; then
-                    cp -ar "$FILE_TREE" ${BUILDDIR}/debian/tmp
+                    cp -ar "$FILE_TREE" "${BUILDDIR}/debian/tmp"
                 fi
 
-		(cd ${BUILDDIR}; dpkg-gencontrol -DArchitecture=$arch)
-		(cd ${BUILDDIR}/debian/tmp; md5sum $(find usr/ -type f) > DEBIAN/md5sums)
+		(cd "${BUILDDIR}"; dpkg-gencontrol -DArchitecture=$arch)
+		(cd "${BUILDDIR}/debian/tmp"; md5sum $(find usr/ -type f) > DEBIAN/md5sums)
 		local LOG="${BUILDDIR}/../${NAME}_${VERSION}_${arch}.dpkg-deb.log"
 		# ensure the right permissions as dpkg-deb insists
-		chmod 755 ${BUILDDIR}/debian/tmp/DEBIAN
-		testsuccess --nomsg dpkg-deb -Z${COMPRESS_TYPE} --build ${BUILDDIR}/debian/tmp ${BUILDDIR}/..
-		echo "pool/${NAME}_${VERSION}_${arch}.deb" >> ${BUILDDIR}/../${RELEASE}.${DISTSECTION}.pkglist
+		chmod 755 "${BUILDDIR}/debian/tmp/DEBIAN"
+		testsuccess --nomsg dpkg-deb -Z${COMPRESS_TYPE} --build "${BUILDDIR}/debian/tmp" "${BUILDDIR}/.."
+		echo "pool/${NAME}_${VERSION}_${arch}.deb" >> "${BUILDDIR}/../${RELEASE}.${DISTSECTION}.pkglist"
 	done
 
 	local CHANGEPATH="${BUILDDIR}/../${DISTSECTION}/${NM}/${NAME}/${NAME}_${VERSION}"
-	mkdir -p $CHANGEPATH
-	cp ${BUILDDIR}/debian/changelog $CHANGEPATH
+	mkdir -p "$CHANGEPATH"
+	cp "${BUILDDIR}/debian/changelog" "$CHANGEPATH"
 	rm -rf "${BUILDDIR}"
 	msgdone "info"
 }
@@ -721,20 +726,20 @@ buildpackage() {
 	local PKGNAME="$(echo "$BUILDDIR" | grep -o '[^/]*$')"
 	local BUILDLOG="$(readlink -f "${BUILDDIR}/../${PKGNAME}_${RELEASE}_${SECTION}.dpkg-bp.log")"
 	msgtest "Build package for ${RELEASE} in ${SECTION}" "$PKGNAME"
-	cd $BUILDDIR
+	cd "$BUILDDIR"
 	if [ "$ARCH" = "all" ]; then
 		ARCH="$(dpkg-architecture -qDEB_HOST_ARCH 2> /dev/null)"
 	fi
 	testsuccess --nomsg dpkg-buildpackage -uc -us -a$ARCH
-	cp ${TMPWORKINGDIRECTORY}/rootdir/tmp/testsuccess.output $BUILDLOG
-	local PKGS="$(grep '^dpkg-deb: building package' $BUILDLOG | cut -d'/' -f 2 | sed -e "s#'\.##")"
-	local SRCS="$(grep '^dpkg-source: info: building' $BUILDLOG | grep -o '[a-z0-9._+~-]*$')"
+	cp "${TMPWORKINGDIRECTORY}/rootdir/tmp/testsuccess.output" "$BUILDLOG"
+	local PKGS="$(grep '^dpkg-deb: building package' "$BUILDLOG" | cut -d'/' -f 2 | sed -e "s#'\.##")"
+	local SRCS="$(grep '^dpkg-source: info: building' "$BUILDLOG" | grep -o '[a-z0-9._+~-]*$')"
 	cd - > /dev/null
 	for PKG in $PKGS; do
-		echo "pool/${PKG}" >> ${TMPWORKINGDIRECTORY}/incoming/${RELEASE}.${SECTION}.pkglist
+		echo "pool/${PKG}" >> "${TMPWORKINGDIRECTORY}/incoming/${RELEASE}.${SECTION}.pkglist"
 	done
 	for SRC in $SRCS; do
-		echo "pool/${SRC}" >> ${TMPWORKINGDIRECTORY}/incoming/${RELEASE}.${SECTION}.srclist
+		echo "pool/${SRC}" >> "${TMPWORKINGDIRECTORY}/incoming/${RELEASE}.${SECTION}.srclist"
 	done
 }
 
@@ -747,7 +752,7 @@ buildaptarchive() {
 }
 
 createaptftparchiveconfig() {
-	local COMPRESSORS="$(cut -d'	' -f 1 ${TMPWORKINGDIRECTORY}/rootdir/etc/testcase-compressor.conf | tr '\n' ' ')"
+	local COMPRESSORS="$(cut -d'	' -f 1 "${TMPWORKINGDIRECTORY}/rootdir/etc/testcase-compressor.conf" | tr '\n' ' ')"
 	local COMPRESSORS="${COMPRESSORS%* }"
 	local ARCHS="$(getarchitectures)"
 	cat > ftparchive.conf <<EOF
@@ -769,23 +774,15 @@ TreeDefault {
 };
 EOF
 	for DIST in $(find ./pool/ -maxdepth 1 -name '*.pkglist' -type f | cut -d'/' -f 3 | cut -d'.' -f 1 | sort | uniq); do
-		echo -n 'tree "dists/' >> ftparchive.conf
-		echo -n "$DIST" >> ftparchive.conf
-		echo -n '" {
-	Architectures "' >> ftparchive.conf
-		echo -n "$ARCHS" >> ftparchive.conf
-		echo -n 'source";
-	FileList "' >> ftparchive.conf
-		echo -n "${DIST}.\$(SECTION).pkglist" >> ftparchive.conf
-		echo -n '";
-	SourceFileList "' >> ftparchive.conf
-		echo -n "${DIST}.\$(SECTION).srclist" >> ftparchive.conf
-		echo -n '";
-	Sections "' >> ftparchive.conf
-		echo -n "$(find ./pool/ -maxdepth 1 -name "${DIST}.*.pkglist" -type f | cut -d'/' -f 3 | cut -d'.' -f 2 | sort | uniq | tr '\n' ' ')" >> ftparchive.conf
-		echo '";
-};' >> ftparchive.conf
-	done
+		cat <<EOF
+tree "dists/$DIST" {
+	Architectures "$ARCHS source";
+	FileList "${DIST}.\$(SECTION).pkglist";
+	SourceFileList "${DIST}.\$(SECTION).srclist";
+	Sections "$(find ./pool/ -maxdepth 1 -name "${DIST}.*.pkglist" -type f | cut -d'/' -f 3 | cut -d'.' -f 2 | sort | uniq | tr '\n' ' ')";
+};
+EOF
+	done >> ftparchive.conf
 }
 
 buildaptftparchivedirectorystructure() {
@@ -795,10 +792,10 @@ buildaptftparchivedirectorystructure() {
 		for SECTION in $SECTIONS; do
 			local ARCHS="$(grep -A 5 "dists/$DIST" ftparchive.conf | grep Architectures | cut -d'"' -f 2 | sed -e 's#source##')"
 			for ARCH in $ARCHS; do
-				mkdir -p dists/${DIST}/${SECTION}/binary-${ARCH}
+				mkdir -p "dists/${DIST}/${SECTION}/binary-${ARCH}"
 			done
-			mkdir -p dists/${DIST}/${SECTION}/source
-			mkdir -p dists/${DIST}/${SECTION}/i18n
+			mkdir -p "dists/${DIST}/${SECTION}/source"
+			mkdir -p "dists/${DIST}/${SECTION}/i18n"
 		done
 	done
 }
@@ -828,28 +825,29 @@ insertpackage() {
 			fi
 			for BUILDARCH in $ARCHS; do
 				local PPATH="aptarchive/dists/${RELEASE}/main/binary-${BUILDARCH}"
-				mkdir -p $PPATH
-				local FILE="${PPATH}/Packages"
-				echo "Package: $NAME
+				mkdir -p "$PPATH"
+				{
+					echo "Package: $NAME
 Priority: $PRIORITY
 Section: other
 Installed-Size: 42
-Maintainer: Joe Sixpack <joe@example.org>" >> $FILE
-				test "$arch" = 'none' || echo "Architecture: $arch" >> $FILE
-				echo "Version: $VERSION
-Filename: pool/main/${NAME}/${NAME}_${VERSION}_${arch}.deb" >> $FILE
-				test -z "$DEPENDENCIES" || echo "$DEPENDENCIES" >> $FILE
-				echo "Description: $(printf '%s' "$DESCRIPTION" | head -n 1)" >> $FILE
-				echo "Description-md5: $(printf '%s' "$DESCRIPTION" | md5sum | cut -d' ' -f 1)" >> $FILE
-				echo >> $FILE
+Maintainer: Joe Sixpack <joe@example.org>"
+					test "$arch" = 'none' || echo "Architecture: $arch"
+					echo "Version: $VERSION
+Filename: pool/main/${NAME}/${NAME}_${VERSION}_${arch}.deb"
+					test -z "$DEPENDENCIES" || echo "$DEPENDENCIES"
+					echo "Description: $(printf '%s' "$DESCRIPTION" | head -n 1)"
+					echo "Description-md5: $(printf '%s' "$DESCRIPTION" | md5sum | cut -d' ' -f 1)"
+					echo
+				} >> "${PPATH}/Packages"
 			done
 		done
-		mkdir -p aptarchive/dists/${RELEASE}/main/source aptarchive/dists/${RELEASE}/main/i18n
-		touch aptarchive/dists/${RELEASE}/main/source/Sources
+		mkdir -p "aptarchive/dists/${RELEASE}/main/source" "aptarchive/dists/${RELEASE}/main/i18n"
+		touch "aptarchive/dists/${RELEASE}/main/source/Sources"
 		echo "Package: $NAME
 Description-md5: $(printf '%s' "$DESCRIPTION" | md5sum | cut -d' ' -f 1)
 Description-en: $DESCRIPTION
-" >> aptarchive/dists/${RELEASE}/main/i18n/Translation-en
+" >> "aptarchive/dists/${RELEASE}/main/i18n/Translation-en"
 	done
 }
 
@@ -871,14 +869,14 @@ Binary: $BINARY
 Version: $VERSION
 Maintainer: Joe Sixpack <joe@example.org>
 Architecture: $ARCH" >> $FILE
-	test -z "$DEPENDENCIES" || echo "$DEPENDENCIES" >> $FILE
+	test -z "$DEPENDENCIES" || echo "$DEPENDENCIES" >> "$FILE"
 	echo "Files:
- $(echo -n "$DSCFILE" | md5sum | cut -d' ' -f 1) $(echo -n "$DSCFILE" | wc -c) $DSCFILE
- $(echo -n "$TARFILE" | md5sum | cut -d' ' -f 1) $(echo -n "$TARFILE" | wc -c) $TARFILE
+ $(echo -n "$DSCFILE" | md5sum | cut -d' ' -f 1) $(echo -n "$DSCFILE" | wc -c) "$DSCFILE"
+ $(echo -n "$TARFILE" | md5sum | cut -d' ' -f 1) $(echo -n "$TARFILE" | wc -c) "$TARFILE"
 Checksums-Sha256:
- $(echo -n "$DSCFILE" | sha256sum | cut -d' ' -f 1) $(echo -n "$DSCFILE" | wc -c) $DSCFILE
- $(echo -n "$TARFILE" | sha256sum | cut -d' ' -f 1) $(echo -n "$TARFILE" | wc -c) $TARFILE
-" >> $FILE
+ $(echo -n "$DSCFILE" | sha256sum | cut -d' ' -f 1) $(echo -n "$DSCFILE" | wc -c) "$DSCFILE"
+ $(echo -n "$TARFILE" | sha256sum | cut -d' ' -f 1) $(echo -n "$TARFILE" | wc -c) "$TARFILE"
+" >> "$FILE"
 }
 
 insertinstalledpackage() {
@@ -902,22 +900,22 @@ Priority: $PRIORITY
 Section: other
 Installed-Size: 42
 Maintainer: Joe Sixpack <joe@example.org>
-Version: $VERSION" >> $FILE
-		test "$arch" = 'none' || echo "Architecture: $arch" >> $FILE
-		test -z "$DEPENDENCIES" || echo "$DEPENDENCIES" >> $FILE
-		echo "Description: $DESCRIPTION" >> $FILE
-		echo >> $FILE
+Version: $VERSION" >> "$FILE"
+		test "$arch" = 'none' || echo "Architecture: $arch" >> "$FILE"
+		test -z "$DEPENDENCIES" || echo "$DEPENDENCIES" >> "$FILE"
+		echo "Description: $DESCRIPTION" >> "$FILE"
+		echo >> "$FILE"
 		if [ "$(dpkg-query -W --showformat='${Multi-Arch}')" = 'same' ]; then
-			echo -n > ${INFO}/${NAME}:${arch}.list
+			echo -n > "${INFO}/${NAME}:${arch}.list"
 		else
-			echo -n > ${INFO}/${NAME}.list
+			echo -n > "${INFO}/${NAME}.list"
 		fi
 	done
 }
 
 
 buildaptarchivefromincoming() {
-	msginfo "Build APT archive for ${CCMD}$(basename $0)${CINFO} based on incoming packages…"
+	msginfo "Build APT archive for ${CCMD}${0##*/}${CINFO} based on incoming packages…"
 	cd aptarchive
 	[ -e pool ] || ln -s ../incoming pool
 	[ -e ftparchive.conf ] || createaptftparchiveconfig
@@ -930,7 +928,7 @@ buildaptarchivefromincoming() {
 }
 
 buildaptarchivefromfiles() {
-	msginfo "Build APT archive for ${CCMD}$(basename $0)${CINFO} based on prebuild files…"
+	msginfo "Build APT archive for ${CCMD}${0##*/}${CINFO} based on prebuild files…"
 	local DIR='aptarchive'
 	if [ -d "${DIR}/dists" ]; then DIR="${DIR}/dists"; fi
 	find "$DIR" -name 'Packages' -o -name 'Sources' -o -name 'Translation-*' | while read line; do
@@ -942,7 +940,7 @@ buildaptarchivefromfiles() {
 }
 
 compressfile() {
-	cat ${TMPWORKINGDIRECTORY}/rootdir/etc/testcase-compressor.conf | while read compressor extension command; do
+	cat "${TMPWORKINGDIRECTORY}/rootdir/etc/testcase-compressor.conf" | while read compressor extension command; do
 		if [ "$compressor" = '.' ]; then
 			if [ -n "$2" ]; then
 				touch -d "$2" "$1"
@@ -990,16 +988,16 @@ generatereleasefiles() {
 			if [ -n "$ORIGIN" ]; then
 				ORIGIN="-o APT::FTPArchive::Release::Origin=${ORIGIN}"
 			fi
-			aptftparchiverelease $dir \
+			aptftparchiverelease "$dir" \
 				-o APT::FTPArchive::Release::Suite="${SUITE}" \
 				-o APT::FTPArchive::Release::Codename="${CODENAME}" \
 				${LABEL} \
 				${ORIGIN} \
 				${VERSION} \
-				> $dir/Release
+				> "$dir/Release"
 			if [ "$SUITE" = "experimental" -o "$SUITE" = "experimental2" ]; then
 				sed -i '/^Date: / a\
-NotAutomatic: yes' $dir/Release
+NotAutomatic: yes' "$dir/Release"
 			fi
 		done
 	else
@@ -1007,8 +1005,8 @@ NotAutomatic: yes' $dir/Release
 	fi
 	if [ -n "$1" -a "$1" != "now" ]; then
 		for release in $(find ./aptarchive -name 'Release'); do
-			sed -i "s/^Date: .*$/Date: $(date -d "$1" '+%a, %d %b %Y %H:%M:%S %Z')/" $release
-			touch -d "$1" $release
+			sed -i "s/^Date: .*$/Date: $(date -d "$1" '+%a, %d %b %Y %H:%M:%S %Z')/" "$release"
+			touch -d "$1" "$release"
 		done
 	fi
 	if [ -n "$2" ]; then
@@ -1019,33 +1017,34 @@ Valid-Until: $(date -d "$2" '+%a, %d %b %Y %H:%M:%S %Z')" $(find ./aptarchive -n
 }
 
 setupdistsaptarchive() {
-	local APTARCHIVE=$(readlink -f ./aptarchive)
+	local APTARCHIVE="$(readlink -f ./aptarchive | sed 's# #%20#g')"
 	rm -f root/etc/apt/sources.list.d/apt-test-*-deb.list
 	rm -f root/etc/apt/sources.list.d/apt-test-*-deb-src.list
 	for DISTS in $(find ./aptarchive/dists/ -mindepth 1 -maxdepth 1 -type d | cut -d'/' -f 4); do
-		SECTIONS=$(find ./aptarchive/dists/${DISTS}/ -mindepth 1 -maxdepth 1 -type d | cut -d'/' -f 5 | tr '\n' ' ')
+		SECTIONS=$(find "./aptarchive/dists/${DISTS}/" -mindepth 1 -maxdepth 1 -type d | cut -d'/' -f 5 | tr '\n' ' ')
 		msgninfo "\tadd deb and deb-src sources.list lines for ${CCMD}${DISTS} ${SECTIONS}${CINFO}… "
-		echo "deb file://$APTARCHIVE $DISTS $SECTIONS" > rootdir/etc/apt/sources.list.d/apt-test-${DISTS}-deb.list
-		echo "deb-src file://$APTARCHIVE $DISTS $SECTIONS" > rootdir/etc/apt/sources.list.d/apt-test-${DISTS}-deb-src.list
+		echo "deb file://$APTARCHIVE $DISTS $SECTIONS" > "rootdir/etc/apt/sources.list.d/apt-test-${DISTS}-deb.list"
+		echo "deb-src file://$APTARCHIVE $DISTS $SECTIONS" > "rootdir/etc/apt/sources.list.d/apt-test-${DISTS}-deb-src.list"
 		msgdone "info"
 	done
 }
 
 setupflataptarchive() {
-	local APTARCHIVE=$(readlink -f ./aptarchive)
-	if [ -f ${APTARCHIVE}/Packages ]; then
+	local APTARCHIVE="$(readlink -f ./aptarchive)"
+	local APTARCHIVEURI="$(readlink -f ./aptarchive | sed 's# #%20#g')"
+	if [ -f "${APTARCHIVE}/Packages" ]; then
 		msgninfo "\tadd deb sources.list line… "
-		echo "deb file://$APTARCHIVE /" > rootdir/etc/apt/sources.list.d/apt-test-archive-deb.list
-		msgdone "info"
+		echo "deb file://$APTARCHIVEURI /" > 'rootdir/etc/apt/sources.list.d/apt-test-archive-deb.list'
+		msgdone 'info'
 	else
-		rm -f rootdir/etc/apt/sources.list.d/apt-test-archive-deb.list
+		rm -f 'rootdir/etc/apt/sources.list.d/apt-test-archive-deb.list'
 	fi
-	if [ -f ${APTARCHIVE}/Sources ]; then
+	if [ -f "${APTARCHIVE}/Sources" ]; then
 		msgninfo "\tadd deb-src sources.list line… "
-		echo "deb-src file://$APTARCHIVE /" > rootdir/etc/apt/sources.list.d/apt-test-archive-deb-src.list
-		msgdone "info"
+		echo "deb-src file://$APTARCHIVEURI /" > 'rootdir/etc/apt/sources.list.d/apt-test-archive-deb-src.list'
+		msgdone 'info'
 	else
-		rm -f rootdir/etc/apt/sources.list.d/apt-test-archive-deb-src.list
+		rm -f 'rootdir/etc/apt/sources.list.d/apt-test-archive-deb-src.list'
 	fi
 }
 
@@ -1080,41 +1079,41 @@ signreleasefiles() {
 		# the key is expired, so gpg doesn't allow to sign with and the --faked-system-time
 		# option doesn't exist anymore (and using faketime would add a new obscure dependency)
 		# therefore we 'temporary' make the key not expired and restore a backup after signing
-		cp ${REXKEY}.sec $SECEXPIREBAK
-		cp ${REXKEY}.pub $PUBEXPIREBAK
+		cp "${REXKEY}.sec" "$SECEXPIREBAK"
+		cp "${REXKEY}.pub" "$PUBEXPIREBAK"
 		local SECUNEXPIRED="${REXKEY}.sec.unexpired"
 		local PUBUNEXPIRED="${REXKEY}.pub.unexpired"
 		if [ -f "$SECUNEXPIRED" ] && [ -f "$PUBUNEXPIRED" ]; then
-			cp $SECUNEXPIRED ${REXKEY}.sec
-			cp $PUBUNEXPIRED ${REXKEY}.pub
+			cp "$SECUNEXPIRED" "${REXKEY}.sec"
+			cp "$PUBUNEXPIRED" "${REXKEY}.pub"
 		else
 			if ! printf "expire\n1w\nsave\n" | $GPG --default-key "$SIGNER" --command-fd 0 --edit-key "${SIGNER}" >setexpire.gpg 2>&1; then
 				cat setexpire.gpg
 				exit 1
 			fi
-			cp ${REXKEY}.sec $SECUNEXPIRED
-			cp ${REXKEY}.pub $PUBUNEXPIRED
+			cp "${REXKEY}.sec" "$SECUNEXPIRED"
+			cp "${REXKEY}.pub" "$PUBUNEXPIRED"
 		fi
 	fi
-	for RELEASE in $(find ${REPODIR}/ -name Release); do
-		$GPG --default-key "$SIGNER" --armor --detach-sign --sign --output ${RELEASE}.gpg ${RELEASE}
+	for RELEASE in $(find "${REPODIR}/" -name Release); do
+		$GPG --default-key "$SIGNER" --armor --detach-sign --sign --output "${RELEASE}.gpg" "${RELEASE}"
 		local INRELEASE="$(echo "${RELEASE}" | sed 's#/Release$#/InRelease#')"
-		$GPG --default-key "$SIGNER" --clearsign --output $INRELEASE $RELEASE
+		$GPG --default-key "$SIGNER" --clearsign --output "$INRELEASE" "$RELEASE"
 		# we might have set a specific date for the Release file, so copy it
-		touch -d "$(stat --format "%y" ${RELEASE})" ${RELEASE}.gpg ${INRELEASE}
+		touch -d "$(stat --format "%y" ${RELEASE})" "${RELEASE}.gpg" "${INRELEASE}"
 	done
 	if [ -f "$SECEXPIREBAK" ] && [ -f "$PUBEXPIREBAK" ]; then
-		mv -f $SECEXPIREBAK ${REXKEY}.sec
-		mv -f $PUBEXPIREBAK ${REXKEY}.pub
+		mv -f "$SECEXPIREBAK" "${REXKEY}.sec"
+		mv -f "$PUBEXPIREBAK" "${REXKEY}.pub"
 	fi
-	msgdone "info"
+	msgdone 'info'
 }
 
 redatereleasefiles() {
 	local DATE="$(date -d "$1" '+%a, %d %b %Y %H:%M:%S %Z')"
 	for release in $(find aptarchive/ -name 'Release'); do
-		sed -i "s/^Date: .*$/Date: ${DATE}/" $release
-		touch -d "$DATE" $release
+		sed -i "s/^Date: .*$/Date: ${DATE}/" "$release"
+		touch -d "$DATE" "$release"
 	done
 	signreleasefiles "${2:-Joe Sixpack}"
 }
@@ -1148,7 +1147,7 @@ webserverconfig() {
 }
 
 rewritesourceslist() {
-	local APTARCHIVE="file://$(readlink -f "${TMPWORKINGDIRECTORY}/aptarchive")"
+	local APTARCHIVE="file://$(readlink -f "${TMPWORKINGDIRECTORY}/aptarchive" | sed 's# #%20#g')"
 	for LIST in $(find rootdir/etc/apt/sources.list.d/ -name 'apt-test-*.list'); do
 		sed -i $LIST -e "s#$APTARCHIVE#${1}#" -e "s#http://localhost:8080/#${1}#" -e "s#https://localhost:4433/#${1}#"
 	done
@@ -1174,7 +1173,7 @@ changetowebserver() {
 	else
 		shift
 	fi
-	if test -x ${APTWEBSERVERBINDIR}/aptwebserver; then
+	if test -x "${APTWEBSERVERBINDIR}/aptwebserver"; then
 		cd aptarchive
 		local LOG="webserver.log"
 		if ! aptwebserver -o aptwebserver::fork=1 "$@" >$LOG 2>&1 ; then
@@ -1207,10 +1206,10 @@ output = /dev/null
 [https]
 accept = 4433
 connect = 8080
-" > ${TMPWORKINGDIRECTORY}/stunnel.conf
+" > "${TMPWORKINGDIRECTORY}/stunnel.conf"
 	stunnel4 "${TMPWORKINGDIRECTORY}/stunnel.conf"
         waitforpidfile "${TMPWORKINGDIRECTORY}/aptarchive/stunnel.pid"
-	local PID="$(cat ${TMPWORKINGDIRECTORY}/aptarchive/stunnel.pid)"
+	local PID="$(cat "${TMPWORKINGDIRECTORY}/aptarchive/stunnel.pid")"
         if [ -z "$PID" ]; then
 		msgdie 'Could not fork stunnel4 successfully'
 	fi
@@ -1221,22 +1220,24 @@ connect = 8080
 changetocdrom() {
 	mkdir -p rootdir/media/cdrom/.disk
 	local CD="$(readlink -f rootdir/media/cdrom)"
-	echo "acquire::cdrom::mount \"${CD}\";
-acquire::cdrom::${CD}/::mount \"mv ${CD}-unmounted ${CD}\";
-acquire::cdrom::${CD}/::umount \"mv ${CD} ${CD}-unmounted\";
-acquire::cdrom::autodetect 0;" > rootdir/etc/apt/apt.conf.d/00cdrom
-	echo -n "$1" > ${CD}/.disk/info
+	cat > rootdir/etc/apt/apt.conf.d/00cdrom <<EOF
+acquire::cdrom::mount "${CD}";
+acquire::cdrom::"${CD}/"::mount "mv ${CD}-unmounted ${CD}";
+acquire::cdrom::"${CD}/"::umount "mv ${CD} ${CD}-unmounted";
+acquire::cdrom::autodetect 0;
+EOF
+	echo -n "$1" > "${CD}/.disk/info"
 	if [ ! -d aptarchive/dists ]; then
 		msgdie 'Flat file archive cdroms can not be created currently'
 		return 1
 	fi
 	mv aptarchive/dists "$CD"
-	ln -s "$(readlink -f ./incoming)" $CD/pool
+	ln -s "$(readlink -f ./incoming)" "$CD/pool"
 	find rootdir/etc/apt/sources.list.d/ -name 'apt-test-*.list' -delete
 	# start with an unmounted disk
 	mv "${CD}" "${CD}-unmounted"
 	# we don't want the disk to be modifiable
-	addtrap 'prefix' "chmod -f -R +w $PWD/rootdir/media/cdrom/dists/ $PWD/rootdir/media/cdrom-unmounted/dists/ || true;"
+	addtrap 'prefix' "chmod -f -R +w \"$PWD/rootdir/media/cdrom/dists/\" \"$PWD/rootdir/media/cdrom-unmounted/dists/\" || true;"
 	chmod -R 555 rootdir/media/cdrom-unmounted/dists
 }
 
@@ -1269,7 +1270,7 @@ testoutputequal() {
 	local OUTPUT="${TMPWORKINGDIRECTORY}/rootdir/tmp/testoutputequal.output"
 	local COMPAREFILE="$1"
 	shift
-	if "$@" 2>&1 | checkdiff $COMPAREFILE - >"$OUTPUT" 2>&1; then
+	if "$@" 2>&1 | checkdiff "$COMPAREFILE" - >"$OUTPUT" 2>&1; then
 		msgpass
 	else
 		echo "=== content of file we compared with (${COMPAREFILE}) ===" >>"${OUTPUT}"
@@ -1303,7 +1304,7 @@ testempty() {
 	msggroup 'testempty'
 	msgtest "Test for no output of" "$*"
 	local COMPAREFILE="${TMPWORKINGDIRECTORY}/rootdir/tmp/testempty.comparefile"
-	if ("$@" >$COMPAREFILE 2>&1 || true) && test ! -s $COMPAREFILE; then
+	if ("$@" >"$COMPAREFILE" 2>&1 || true) && test ! -s "$COMPAREFILE"; then
 		msgpass
 	else
 		msgfailoutput '' "$COMPAREFILE" "$@"
@@ -1311,6 +1312,18 @@ testempty() {
 	aptautotest 'testempty' "$@"
 	msggroup
 }
+testnotempty() {
+	msggroup 'testnotempty'
+	msgtest "Test for some output of" "$*"
+	local COMPAREFILE="${TMPWORKINGDIRECTORY}/rootdir/tmp/testnotempty.comparefile"
+	if ("$@" >"$COMPAREFILE" 2>&1 || true) && test -s "$COMPAREFILE"; then
+		msgpass
+	else
+		msgfailoutput '' "$COMPAREFILE" "$@"
+	fi
+	aptautotest 'testnotempty' "$@"
+	msggroup
+}
 
 testequal() {
 	msggroup 'testequal'
@@ -1321,7 +1334,7 @@ testequal() {
 	fi
 
 	local COMPAREFILE="${TMPWORKINGDIRECTORY}/rootdir/tmp/testequal.comparefile"
-	echo "$1" > $COMPAREFILE
+	echo "$1" > "$COMPAREFILE"
 	shift
 
 	if [ -n "$MSG" ]; then
@@ -1337,13 +1350,13 @@ testequalor2() {
 	local COMPAREFILE1="${TMPWORKINGDIRECTORY}/rootdir/tmp/testequalor2.comparefile1"
 	local COMPAREFILE2="${TMPWORKINGDIRECTORY}/rootdir/tmp/testequalor2.comparefile2"
 	local COMPAREAGAINST="${TMPWORKINGDIRECTORY}/rootdir/tmp/testequalor2.compareagainst"
-	echo "$1" > $COMPAREFILE1
-	echo "$2" > $COMPAREFILE2
+	echo "$1" > "$COMPAREFILE1"
+	echo "$2" > "$COMPAREFILE2"
 	shift 2
 	msgtest "Test for equality OR of" "$*"
-	"$@" >$COMPAREAGAINST 2>&1 || true
-	if checkdiff $COMPAREFILE1 $COMPAREAGAINST >/dev/null 2>&1 || \
-		checkdiff $COMPAREFILE2 $COMPAREAGAINST >/dev/null 2>&1
+	"$@" >"$COMPAREAGAINST" 2>&1 || true
+	if checkdiff "$COMPAREFILE1" "$COMPAREAGAINST" >/dev/null 2>&1 || \
+		checkdiff "$COMPAREFILE2" "$COMPAREAGAINST" >/dev/null 2>&1
 	then
 		msgpass
 	else
@@ -1429,10 +1442,10 @@ testmarkedauto() {
 	local COMPAREFILE="${TMPWORKINGDIRECTORY}/rootdir/tmp/testmarkedauto.comparefile"
 	if [ -n "$1" ]; then
 		msgtest 'Test for correctly marked as auto-installed' "$*"
-		while [ -n "$1" ]; do echo "$1"; shift; done | sort > $COMPAREFILE
+		while [ -n "$1" ]; do echo "$1"; shift; done | sort > "$COMPAREFILE"
 	else
 		msgtest 'Test for correctly marked as auto-installed' 'no package'
-		echo -n > $COMPAREFILE
+		echo -n > "$COMPAREFILE"
 	fi
 	testoutputequal "$COMPAREFILE" aptmark showauto
 	msggroup
@@ -1442,10 +1455,10 @@ testmarkedmanual() {
 	local COMPAREFILE="${TMPWORKINGDIRECTORY}/rootdir/tmp/testmarkedmanual.comparefile"
 	if [ -n "$1" ]; then
 		msgtest 'Test for correctly marked as manually installed' "$*"
-		while [ -n "$1" ]; do echo "$1"; shift; done | sort > $COMPAREFILE
+		while [ -n "$1" ]; do echo "$1"; shift; done | sort > "$COMPAREFILE"
 	else
 		msgtest 'Test for correctly marked as manually installed' 'no package'
-		echo -n > $COMPAREFILE
+		echo -n > "$COMPAREFILE"
 	fi
 	testoutputequal "$COMPAREFILE" aptmark showmanual
 	msggroup
@@ -1483,7 +1496,7 @@ msgfailoutput() {
 		done
 		echo '#### test output ####'
 	fi
-	cat >&2 $OUTPUT
+	cat >&2 "$OUTPUT"
 	msgfail "$MSG"
 }
 
@@ -1495,7 +1508,7 @@ testsuccess() {
 		msgtest 'Test for successful execution of' "$*"
 	fi
 	local OUTPUT="${TMPWORKINGDIRECTORY}/rootdir/tmp/testsuccess.output"
-	if "$@" >${OUTPUT} 2>&1; then
+	if "$@" >"${OUTPUT}" 2>&1; then
 		if expr match "$1" '^apt.*' >/dev/null; then
 			if grep -q -E ' runtime error: ' "$OUTPUT"; then
 				msgfailoutput 'compiler detected undefined behavior' "$OUTPUT" "$@"
@@ -1531,7 +1544,7 @@ testwarning() {
 		msgtest 'Test for successful execution with warnings of' "$*"
 	fi
 	local OUTPUT="${TMPWORKINGDIRECTORY}/rootdir/tmp/testwarning.output"
-	if "$@" >${OUTPUT} 2>&1; then
+	if "$@" >"${OUTPUT}" 2>&1; then
 		if expr match "$1" '^apt.*' >/dev/null; then
 			if grep -q -E ' runtime error: ' "$OUTPUT"; then
 				msgfailoutput 'compiler detected undefined behavior' "$OUTPUT" "$@"
@@ -1560,7 +1573,7 @@ testfailure() {
 		msgtest 'Test for failure in execution of' "$*"
 	fi
 	local OUTPUT="${TMPWORKINGDIRECTORY}/rootdir/tmp/testfailure.output"
-	if "$@" >${OUTPUT} 2>&1; then
+	if "$@" >"${OUTPUT}" 2>&1; then
 		local EXITCODE=$?
 		msgfailoutput "exitcode $EXITCODE" "$OUTPUT" "$@"
 	else
@@ -1718,18 +1731,18 @@ aptautotest() {
 	local TESTCALL="$1"
 	local CMD="$2"
 	local FIRSTOPT="$3"
-	local AUTOTEST="aptautotest_$(basename "$CMD" | tr -d '-')_$(echo "$FIRSTOPT" | tr -d '-')"
+	local AUTOTEST="aptautotest_$(echo "${CMD##*/}_${FIRSTOPT}" | tr -d '-')"
 	if command -v $AUTOTEST >/dev/null; then
 		shift 3
 		# save and restore the *.output files from other tests
 		# as we might otherwise override them in these automatic tests
-		rm -rf ${TMPWORKINGDIRECTORY}/rootdir/tmp-before
-		mv ${TMPWORKINGDIRECTORY}/rootdir/tmp ${TMPWORKINGDIRECTORY}/rootdir/tmp-before
-		mkdir ${TMPWORKINGDIRECTORY}/rootdir/tmp
+		rm -rf "${TMPWORKINGDIRECTORY}/rootdir/tmp-before"
+		mv "${TMPWORKINGDIRECTORY}/rootdir/tmp" "${TMPWORKINGDIRECTORY}/rootdir/tmp-before"
+		mkdir "${TMPWORKINGDIRECTORY}/rootdir/tmp"
 		$AUTOTEST "$TESTCALL" "$@"
-		rm -rf ${TMPWORKINGDIRECTORY}/rootdir/tmp-aptautotest
-		mv ${TMPWORKINGDIRECTORY}/rootdir/tmp ${TMPWORKINGDIRECTORY}/rootdir/tmp-aptautotest
-		mv ${TMPWORKINGDIRECTORY}/rootdir/tmp-before ${TMPWORKINGDIRECTORY}/rootdir/tmp
+		rm -rf "${TMPWORKINGDIRECTORY}/rootdir/tmp-aptautotest"
+		mv "${TMPWORKINGDIRECTORY}/rootdir/tmp" "${TMPWORKINGDIRECTORY}/rootdir/tmp-aptautotest"
+		mv "${TMPWORKINGDIRECTORY}/rootdir/tmp-before" "${TMPWORKINGDIRECTORY}/rootdir/tmp"
 	fi
 }
 
@@ -1743,9 +1756,12 @@ aptautotest_aptget_update() {
 	testfilestats "${TMPWORKINGDIRECTORY}/rootdir/var/lib/apt" '%U:%G:%a' '=' "${TEST_DEFAULT_USER}:${TEST_DEFAULT_GROUP}:755"
 	testfilestats "${TMPWORKINGDIRECTORY}/rootdir/var/lib/apt/lists" '%U:%G:%a' '=' "${TEST_DEFAULT_USER}:${TEST_DEFAULT_GROUP}:755"
 	# all copied files are properly chmodded
+	local backupIFS="$IFS"
+	IFS="$(printf "\n\b")"
 	for file in $(find "${TMPWORKINGDIRECTORY}/rootdir/var/lib/apt/lists" -type f ! -name 'lock'); do
 		testfilestats "$file" '%U:%G:%a' '=' "${TEST_DEFAULT_USER}:${TEST_DEFAULT_GROUP}:644"
 	done
+	IFS="$backupIFS"
 	if [ "$TESTCALL" = 'testsuccess' ]; then
 		# failure cases can retain partial files and such
 		testempty find "${TMPWORKINGDIRECTORY}/rootdir/var/lib/apt/lists/partial" -mindepth 1 ! \( -name 'lock' -o -name '*.FAILED' \)
diff --git a/test/integration/test-acquire-same-file-multiple-times b/test/integration/test-acquire-same-file-multiple-times
index a850f897c..255a71a33 100755
--- a/test/integration/test-acquire-same-file-multiple-times
+++ b/test/integration/test-acquire-same-file-multiple-times
@@ -2,19 +2,19 @@
 set -e
 
 TESTDIR=$(readlink -f $(dirname $0))
-. $TESTDIR/framework
+. "$TESTDIR/framework"
 setupenvironment
 configarchitecture 'amd64'
 
 TESTFILE="$TESTDIR/framework"
-cp $TESTFILE aptarchive/foo
+cp "$TESTFILE" aptarchive/foo
 APTARCHIVE="$(readlink -f ./aptarchive)"
 
 filedown() {
 	msgtest 'Downloading the same URI twice over file' "$1"
-	testsuccess --nomsg apthelper download-file file:///$APTARCHIVE/foo ./downloaded/foo1 '' file:///$APTARCHIVE/foo ./downloaded/foo2 '' -o Debug::pkgAcquire::Worker=1
+	testsuccess --nomsg apthelper download-file "file:///$APTARCHIVE/foo" ./downloaded/foo1 '' "file:///$APTARCHIVE/foo" ./downloaded/foo2 '' -o Debug::pkgAcquire::Worker=1
 	cp rootdir/tmp/testsuccess.output download.log
-	testsuccess cmp $TESTFILE ./downloaded/foo1
+	testsuccess cmp "$TESTFILE" ./downloaded/foo1
 	testsuccess cmp ./downloaded/foo1 ./downloaded/foo2
 	testequal '1' grep -c '200%20URI%20Start' ./download.log
 	testequal '1' grep -c '201%20URI%20Done' ./download.log
@@ -23,19 +23,19 @@ filedown() {
 
 testrun() {
 	$1 'no partial'
-	cp $TESTFILE ./downloaded/foo1
+	cp "$TESTFILE" ./downloaded/foo1
 	$1 'complete partial 1'
-	cp $TESTFILE ./downloaded/foo2
+	cp "$TESTFILE" ./downloaded/foo2
 	$1 'complete partial 2'
-	cp $TESTFILE ./downloaded/foo1
-	cp $TESTFILE ./downloaded/foo2
+	cp "$TESTFILE" ./downloaded/foo1
+	cp "$TESTFILE" ./downloaded/foo2
 	$1 'complete partial 1+2'
-	dd if=$TESTFILE of=./downloaded/foo1 bs=500 count=1 2>/dev/null
+	dd if="$TESTFILE" of=./downloaded/foo1 bs=500 count=1 2>/dev/null
 	$1 'partial partial 1'
-	dd if=$TESTFILE of=./downloaded/foo2 bs=500 count=1 2>/dev/null
+	dd if="$TESTFILE" of=./downloaded/foo2 bs=500 count=1 2>/dev/null
 	$1 'partial partial 2'
-	dd if=$TESTFILE of=./downloaded/foo1 bs=500 count=1 2>/dev/null
-	dd if=$TESTFILE of=./downloaded/foo2 bs=500 count=1 2>/dev/null
+	dd if="$TESTFILE" of=./downloaded/foo1 bs=500 count=1 2>/dev/null
+	dd if="$TESTFILE" of=./downloaded/foo2 bs=500 count=1 2>/dev/null
 	$1 'partial partial 1+2'
 }
 testrun 'filedown'
@@ -46,7 +46,7 @@ httpdown() {
 	msgtest 'Downloading the same URI to different files' 'twice over http'
 	testsuccess --nomsg apthelper download-file http://localhost:8080/foo ./downloaded/foo1 '' http://localhost:8080/foo ./downloaded/foo2 '' -o Debug::pkgAcquire::Worker=1 -o Debug::Acquire::http=1
 	cp rootdir/tmp/testsuccess.output download.log
-	testsuccess cmp $TESTDIR/framework ./downloaded/foo1
+	testsuccess cmp "$TESTDIR/framework" ./downloaded/foo1
 	testsuccess cmp ./downloaded/foo1 ./downloaded/foo2
 	testequal '1' grep -c '200%20URI%20Start' ./download.log
 	testequal '1' grep -c '201%20URI%20Done' ./download.log
@@ -58,7 +58,7 @@ httpredirectdown() {
 	msgtest 'Redirect leads' 'first URI to the second URI'
 	testsuccess --nomsg apthelper download-file http://localhost:8080/foo2 ./downloaded/foo1 '' http://localhost:8080/foo ./downloaded/foo2 '' -o Debug::pkgAcquire::Worker=1 -o Debug::Acquire::http=1
 	cp rootdir/tmp/testsuccess.output download.log
-	testsuccess cmp $TESTDIR/framework ./downloaded/foo1
+	testsuccess cmp "$TESTDIR/framework" ./downloaded/foo1
 	testsuccess cmp ./downloaded/foo1 ./downloaded/foo2
 	testequal '1' grep -c '200%20URI%20Start' ./download.log
 	testequal '1' grep -c '103%20Redirect' ./download.log
@@ -71,7 +71,7 @@ httpsamedown() {
 	msgtest 'Downloading two files via the same URI to' 'the same file'
 	testsuccess --nomsg apthelper download-file http://localhost:8080/foo ./downloaded/foo1 '' http://localhost:8080/foo ./downloaded/foo1 '' -o Debug::pkgAcquire::Worker=1
 	cp rootdir/tmp/testsuccess.output download.log
-	testsuccess cmp $TESTDIR/framework ./downloaded/foo1
+	testsuccess cmp "$TESTDIR/framework" ./downloaded/foo1
 	testequal '1' grep -c '200%20URI%20Start' ./download.log
 	testequal '1' grep -c '201%20URI%20Done' ./download.log
 	rm -f ./downloaded/foo1
diff --git a/test/integration/test-acquire-same-repository-multiple-times b/test/integration/test-acquire-same-repository-multiple-times
index abdfef8f0..19a18cb63 100755
--- a/test/integration/test-acquire-same-repository-multiple-times
+++ b/test/integration/test-acquire-same-repository-multiple-times
@@ -21,11 +21,14 @@ done
 # install a slowed down file: otherwise its to fast to reproduce combining
 NEWMETHODS="$(readlink -f rootdir)/usr/lib/apt/methods"
 OLDMETHODS="$(readlink -f rootdir/usr/lib/apt/methods)"
-rm $NEWMETHODS
-mkdir $NEWMETHODS
-for METH in $(find $OLDMETHODS ! -type d); do
-	ln -s $OLDMETHODS/$(basename $METH) $NEWMETHODS
+rm "$NEWMETHODS"
+mkdir "$NEWMETHODS"
+backupIFS="$IFS"
+IFS="$(printf "\n\b")"
+for METH in $(find "$OLDMETHODS" ! -type d); do
+	ln -s "$OLDMETHODS/$(basename "$METH")" "$NEWMETHODS"
 done
+IFS="$backupIFS"
 rm "${NEWMETHODS}/file" "${NEWMETHODS}/http"
 cat >"${NEWMETHODS}/file" <<EOF
 #!/bin/sh
@@ -45,7 +48,7 @@ tworepos() {
 	cp rootdir/tmp/testsuccess.output download.log
 	#cat download.log
 	aptget indextargets --format '$(FILENAME)' --no-release-info | sort > file.lst
-	testequal "$(find $(readlink -f ./rootdir/var/lib/apt/lists) -name '*_dists_*' \( ! -name '*InRelease' \) -type f | sort)" cat file.lst
+	testequal "$(find "$(readlink -f ./rootdir/var/lib/apt/lists)" -name '*_dists_*' \( ! -name '*InRelease' \) -type f | sort)" cat file.lst
 	testsuccess aptcache policy
 	testequal "foo:
   Installed: (none)
diff --git a/test/integration/test-allow b/test/integration/test-allow
index 3d773ee95..0275fbec8 100755
--- a/test/integration/test-allow
+++ b/test/integration/test-allow
@@ -4,7 +4,7 @@
 #
 set -e
 
-TESTDIR=$(readlink -f $(dirname $0))
+TESTDIR="$(readlink -f "$(dirname $0)")"
 . $TESTDIR/framework
 setupenvironment
 configarchitecture 'amd64'
diff --git a/test/integration/test-apt-get-download b/test/integration/test-apt-get-download
index c4ebd03bb..25c8b7761 100755
--- a/test/integration/test-apt-get-download
+++ b/test/integration/test-apt-get-download
@@ -64,7 +64,7 @@ testdownload apt_1.0_all.deb apt stable
 testdownload apt_2.0_all.deb apt
 
 DEBFILE="$(readlink -f ../aptarchive)/pool/apt_2.0_all.deb"
-testequal "'file://${DEBFILE}' apt_2.0_all.deb $(stat -c%s $DEBFILE) SHA512:$(sha512sum $DEBFILE | cut -d' ' -f 1)" aptget download apt --print-uris
+testequal "'file://${DEBFILE}' apt_2.0_all.deb $(stat -c%s "$DEBFILE") SHA512:$(sha512sum "$DEBFILE" | cut -d' ' -f 1)" aptget download apt --print-uris
 
 # deb:677887
 testequal "E: Can't find a source to download version '1.0' of 'vrms:i386'" aptget download vrms --print-uris
@@ -83,7 +83,7 @@ testsuccess test -s apt_2.0_all.deb
 
 # restore "root" rights
 cd "$OLDPWD"
-chmod -f -R +w $PWD/rootdir/var/cache/apt/archives
+chmod -f -R +w "$PWD/rootdir/var/cache/apt/archives"
 rm -rf rootdir/var/cache/apt/archives/
 
 # file: debs aren't copied to archives, so change to http which obviously are
diff --git a/test/integration/test-apt-get-source-authenticated b/test/integration/test-apt-get-source-authenticated
index da63f7cb3..720d2a454 100755
--- a/test/integration/test-apt-get-source-authenticated
+++ b/test/integration/test-apt-get-source-authenticated
@@ -17,8 +17,8 @@ buildsimplenativepackage 'foo' 'all' '2.0'
 
 setupaptarchive --no-update
 
-APTARCHIVE=$(readlink -f ./aptarchive)
-rm -f $APTARCHIVE/dists/unstable/*Release*
+APTARCHIVE="$(readlink -f ./aptarchive)"
+find "$APTARCHIVE/dists/unstable" -name '*Release*' -delete
 
 # update without authenticated InRelease file
 testwarning aptget update --allow-insecure-repositories
diff --git a/test/integration/test-apt-get-update-unauth-warning b/test/integration/test-apt-get-update-unauth-warning
index 35825ee24..b2d79eb2b 100755
--- a/test/integration/test-apt-get-update-unauth-warning
+++ b/test/integration/test-apt-get-update-unauth-warning
@@ -16,8 +16,8 @@ buildsimplenativepackage 'foo' 'all' '2.0'
 
 setupaptarchive --no-update
 
-APTARCHIVE=$(readlink -f ./aptarchive)
-rm -f $APTARCHIVE/dists/unstable/*Release*
+APTARCHIVE="$(readlink -f ./aptarchive)"
+find "$APTARCHIVE/dists/unstable" -name '*Release*' -delete
 
 # update without authenticated files leads to warning
 testfailureequal "Get:1 file:$APTARCHIVE unstable InRelease
diff --git a/test/integration/test-apt-progress-fd-conffile b/test/integration/test-apt-progress-fd-conffile
index 085d5e871..ec3ded85d 100755
--- a/test/integration/test-apt-progress-fd-conffile
+++ b/test/integration/test-apt-progress-fd-conffile
@@ -1,8 +1,8 @@
 #!/bin/sh
 set -e
 
-TESTDIR=$(readlink -f $(dirname $0))
-. $TESTDIR/framework
+TESTDIR="$(readlink -f "$(dirname "$0")")"
+. "$TESTDIR/framework"
 
 setupenvironment
 configarchitecture 'native'
@@ -10,18 +10,18 @@ configarchitecture 'native'
 # old conffile
 setupsimplenativepackage 'compiz-core' 'native' '1.0' 'unstable'
 BUILDDIR='incoming/compiz-core-1.0'
-mkdir -p ${BUILDDIR}/debian/compiz-core/etc
-echo 'foo=bar;' > ${BUILDDIR}/compiz.conf
-echo 'compiz.conf	/etc/compiz.conf' >> ${BUILDDIR}/debian/install
+mkdir -p "${BUILDDIR}/debian/compiz-core/etc"
+echo 'foo=bar;' > "${BUILDDIR}/compiz.conf"
+echo 'compiz.conf	/etc/compiz.conf' >> "${BUILDDIR}/debian/install"
 buildpackage "$BUILDDIR" 'unstable' 'main' 'native'
 rm -rf "$BUILDDIR"
 
 # new conffile
 setupsimplenativepackage 'compiz-core' 'native' '2.0' 'unstable'
 BUILDDIR='incoming/compiz-core-2.0'
-mkdir -p ${BUILDDIR}/debian/compiz-core/etc
-echo 'foo2=bar2;' > ${BUILDDIR}/compiz.conf
-echo 'compiz.conf	/etc/compiz.conf' >> ${BUILDDIR}/debian/install
+mkdir -p "${BUILDDIR}/debian/compiz-core/etc"
+echo 'foo2=bar2;' > "${BUILDDIR}/compiz.conf"
+echo 'compiz.conf	/etc/compiz.conf' >> "${BUILDDIR}/debian/install"
 buildpackage "$BUILDDIR" 'unstable' 'main' 'native'
 rm -rf "$BUILDDIR"
 
@@ -30,21 +30,15 @@ setupaptarchive
 testsuccess aptget install compiz-core=1.0
 
 # fake conffile change
-echo "meep" >> rootdir/etc/compiz.conf/compiz.conf
+echo 'meep' >> rootdir/etc/compiz.conf/compiz.conf
 
 # FIXME: Is there really no way to see if dpkg actually prompts?
 msgtest 'Test for successful execution of' 'apt-get install compiz-core=2.0'
-OUTPUT=$(mktemp)
-addtrap "rm $OUTPUT;"
+OUTPUT="$(mktemp)"
+addtrap "rm \"$OUTPUT\";"
 exec 3> apt-progress.log
-if aptget install compiz-core=2.0 -o APT::Status-Fd=3 -o Dpkg::Use-Pty=false -o dpkg::options::='--force-confold' >${OUTPUT} 2>&1; then
-	msgpass
-else
-	echo
-	cat $OUTPUT
-	msgfail
-fi
+testsuccess --nomsg aptget install compiz-core=2.0 -o APT::Status-Fd=3 -o Dpkg::Use-Pty=false -o dpkg::options::='--force-confold'
 
 # and ensure there is a conffile message in the file
 msgtest 'Test status fd for an included' 'pmconffile msg'
-grep -q "pmconffile:/etc/compiz.conf/compiz.conf" apt-progress.log && msgpass || (cat apt-progress.log && msgfail)
+testsuccess --nomsg grep "pmconffile:/etc/compiz.conf/compiz.conf" apt-progress.log
diff --git a/test/integration/test-apt-translation-has-no-packages b/test/integration/test-apt-translation-has-no-packages
index fec525568..4c57623b1 100755
--- a/test/integration/test-apt-translation-has-no-packages
+++ b/test/integration/test-apt-translation-has-no-packages
@@ -24,11 +24,11 @@ fi
 buildsimplenativepackage 'foo' 'all' '1.0'
 setupaptarchive
 
-APTARCHIVE=$(readlink -f ./aptarchive)
+APTARCHIVE="$(readlink -f ./aptarchive)"
 
 # corrupt the Translation-en file to look like a regular Packages file
 rm rootdir/var/cache/apt/*.bin
-cp $APTARCHIVE/dists/unstable/main/binary-amd64/Packages \
+cp "$APTARCHIVE/dists/unstable/main/binary-amd64/Packages" \
    rootdir/var/lib/apt/lists/*Translation-en
 
 # ensure that there is no Version for the package foo generated out of
diff --git a/test/integration/test-apt-update-nofallback b/test/integration/test-apt-update-nofallback
index dae537c32..e82483da3 100755
--- a/test/integration/test-apt-update-nofallback
+++ b/test/integration/test-apt-update-nofallback
@@ -9,14 +9,14 @@ set -e
 simulate_mitm_and_inject_evil_package()
 {
     redatereleasefiles '+1 hour'
-    rm -f $APTARCHIVE/dists/unstable/InRelease
-    rm -f $APTARCHIVE/dists/unstable/Release.gpg
+    rm -f "$APTARCHIVE/dists/unstable/InRelease"
+    rm -f "$APTARCHIVE/dists/unstable/Release.gpg"
     inject_evil_package
 }
 
 inject_evil_package()
 {
-    cat > $APTARCHIVE/dists/unstable/main/binary-i386/Packages <<EOF
+    cat > "$APTARCHIVE/dists/unstable/main/binary-i386/Packages" <<EOF
 Package: evil
 Installed-Size: 29
 Maintainer: Joe Sixpack <joe@example.org>
@@ -46,11 +46,7 @@ assert_repo_is_intact()
     testsuccess aptget source foo --print-uris
 
     LISTDIR=rootdir/var/lib/apt/lists
-    if ! ( ls $LISTDIR/*InRelease >/dev/null 2>&1 || 
-            ls $LISTDIR/*Release.gpg >/dev/null 2>&1 ); then
-        echo "Can not find InRelease/Release.gpg in $(ls $LISTDIR)"
-        msgfail
-    fi
+    testempty find "$LISTDIR" -name 'InRelease' -o -name 'Release.gpg'
 }
 
 setupaptarchive_with_lists_clean()
@@ -75,7 +71,7 @@ test_from_release_gpg_to_unsigned()
 {
     # setup archive with Release/Release.gpg (but no InRelease)
     setupaptarchive_with_lists_clean
-    rm $APTARCHIVE/dists/unstable/InRelease
+    rm "$APTARCHIVE/dists/unstable/InRelease"
     testsuccess aptget update
     listcurrentlistsdirectory > lists.before
 
@@ -93,7 +89,7 @@ test_from_inrelease_to_unsigned_with_override()
     # simulate moving to a unsigned but otherwise valid repo
     simulate_mitm_and_inject_evil_package
     generatereleasefiles '+2 hours'
-    find $APTARCHIVE -name '*Packages*' -exec touch -d '+2 hours' {} \;
+    find "$APTARCHIVE" -name '*Packages*' -exec touch -d '+2 hours' {} \;
 
     # and ensure we can update to it (with enough force) 
     testwarning aptget update --allow-insecure-repositories \
@@ -128,8 +124,8 @@ test_cve_2012_0214()
     listcurrentlistsdirectory > lists.before
 
     # do what CVE-2012-0214 did
-    rm $APTARCHIVE/dists/unstable/InRelease
-    rm $APTARCHIVE/dists/unstable/Release.gpg
+    rm "$APTARCHIVE/dists/unstable/InRelease"
+    rm "$APTARCHIVE/dists/unstable/Release.gpg"
     inject_evil_package
     # build valid Release file
     aptftparchive -qq release ./aptarchive > aptarchive/dists/unstable/Release 
@@ -149,7 +145,7 @@ test_subvert_inrelease()
     listcurrentlistsdirectory > lists.before
 
     # replace InRelease with something else
-    mv $APTARCHIVE/dists/unstable/Release $APTARCHIVE/dists/unstable/InRelease
+    mv "$APTARCHIVE/dists/unstable/Release" "$APTARCHIVE/dists/unstable/InRelease"
 
     testfailuremsg "W: Failed to fetch file:${APTARCHIVE}/dists/unstable/InRelease  Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
 E: Some index files failed to download. They have been ignored, or old ones used instead." aptget update
@@ -167,7 +163,7 @@ test_inrelease_to_invalid_inrelease()
     listcurrentlistsdirectory > lists.before
 
     # now remove InRelease and subvert Release do no longer verify
-    sed -i 's/^Codename:.*/Codename: evil!/' $APTARCHIVE/dists/unstable/InRelease
+    sed -i 's/^Codename:.*/Codename: evil!/' "$APTARCHIVE/dists/unstable/InRelease"
     inject_evil_package
 
     testwarningequal "W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: file:${APTARCHIVE} unstable InRelease: The following signatures were invalid: BADSIG 5A90D141DBAC8DAE Joe Sixpack (APT Testcases Dummy) <joe@example.org>
@@ -184,12 +180,12 @@ test_release_gpg_to_invalid_release_release_gpg()
 {
     # setup archive with InRelease
     setupaptarchive_with_lists_clean
-    rm $APTARCHIVE/dists/unstable/InRelease
+    rm "$APTARCHIVE/dists/unstable/InRelease"
     testsuccess aptget update
     listcurrentlistsdirectory > lists.before
 
     # now subvert Release do no longer verify
-    echo "Some evil data" >>  $APTARCHIVE/dists/unstable/Release
+    echo "Some evil data" >> "$APTARCHIVE/dists/unstable/Release"
     inject_evil_package
 
     testwarningequal "W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: file:${APTARCHIVE} unstable Release: The following signatures were invalid: BADSIG 5A90D141DBAC8DAE Joe Sixpack (APT Testcases Dummy) <joe@example.org>
@@ -213,7 +209,7 @@ buildsimplenativepackage 'foo' 'all' '2.0'
 
 # setup the archive and ensure we have a single package that installs fine
 setupaptarchive
-APTARCHIVE=$(readlink -f ./aptarchive)
+APTARCHIVE="$(readlink -f ./aptarchive)"
 assert_repo_is_intact
 
 # test the various cases where a repo may go from signed->unsigned
diff --git a/test/integration/test-apt-update-rollback b/test/integration/test-apt-update-rollback
index 503b81985..12d541055 100755
--- a/test/integration/test-apt-update-rollback
+++ b/test/integration/test-apt-update-rollback
@@ -23,14 +23,14 @@ create_fresh_archive()
 }
 
 add_new_package() {
-    insertpackage "unstable" "new" "all" "1.0"
-    insertsource "unstable" "new" "all" "1.0"
+    insertpackage 'unstable' 'new' 'all' '1.0'
+    insertsource 'unstable' 'new' 'all' '1.0'
 
     setupaptarchive --no-update "$@"
 }
 
 break_repository_sources_index() {
-    printf 'xxx' > $APTARCHIVE/dists/unstable/main/source/Sources
+    printf 'xxx' > "$APTARCHIVE/dists/unstable/main/source/Sources"
     compressfile "$APTARCHIVE/dists/unstable/main/source/Sources" "$@"
 }
 
@@ -38,7 +38,7 @@ start_with_good_inrelease() {
     create_fresh_archive
     testsuccess aptget update
     listcurrentlistsdirectory > lists.before
-    testsuccessequal "old/unstable 1.0 all" apt list -q
+    testsuccessequal 'old/unstable 1.0 all' apt list -q
 }
 
 test_inrelease_to_new_inrelease() {
@@ -47,8 +47,8 @@ test_inrelease_to_new_inrelease() {
 
     add_new_package '+1hour'
     testsuccess aptget update -o Debug::Acquire::Transaction=1
-    testsuccessequal "new/unstable 1.0 all
-old/unstable 1.0 all" apt list -q
+    testsuccessequal 'new/unstable 1.0 all
+old/unstable 1.0 all' apt list -q
 }
 
 test_inrelease_to_broken_hash_reverts_all() {
@@ -73,8 +73,8 @@ test_inrelease_to_valid_release() {
 
     add_new_package '+1hour'
     # switch to a unsigned repo now
-    rm $APTARCHIVE/dists/unstable/InRelease
-    rm $APTARCHIVE/dists/unstable/Release.gpg
+    rm "$APTARCHIVE/dists/unstable/InRelease"
+    rm "$APTARCHIVE/dists/unstable/Release.gpg"
 
     # update fails
     testfailureequal "E: The repository 'file:${APTARCHIVE} unstable Release' is no longer signed." aptget update -qq
@@ -83,8 +83,8 @@ test_inrelease_to_valid_release() {
     testfileequal lists.before "$(listcurrentlistsdirectory)"
     testsuccess aptget install old -s
     testfailure aptget install new -s
-    testsuccess ls $ROOTDIR/var/lib/apt/lists/*_InRelease
-    testfailure ls $ROOTDIR/var/lib/apt/lists/*_Release
+    testnotempty find "${ROOTDIR}/var/lib/apt/lists" -name '*_InRelease'
+    testempty find "${ROOTDIR}/var/lib/apt/lists" -name '*_Release'
 }
 
 test_inrelease_to_release_reverts_all() {
@@ -93,8 +93,8 @@ test_inrelease_to_release_reverts_all() {
 
     # switch to a unsigned repo now
     add_new_package '+1hour'
-    rm $APTARCHIVE/dists/unstable/InRelease
-    rm $APTARCHIVE/dists/unstable/Release.gpg
+    rm "$APTARCHIVE/dists/unstable/InRelease"
+    rm "$APTARCHIVE/dists/unstable/Release.gpg"
 
     # break it
     break_repository_sources_index '+1hour'
@@ -106,15 +106,15 @@ test_inrelease_to_release_reverts_all() {
     testfileequal lists.before "$(listcurrentlistsdirectory)"
     testsuccess aptget install old -s
     testfailure aptget install new -s
-    testsuccess ls $ROOTDIR/var/lib/apt/lists/*_InRelease
-    testfailure ls $ROOTDIR/var/lib/apt/lists/*_Release
+    testnotempty find "${ROOTDIR}/var/lib/apt/lists" -name '*_InRelease'
+    testempty find "${ROOTDIR}/var/lib/apt/lists" -name '*_Release'
 }
 
 test_unauthenticated_to_invalid_inrelease() {
     msgmsg 'Test UnAuthenticated to invalid InRelease reverts everything'
     create_fresh_archive
-    rm $APTARCHIVE/dists/unstable/InRelease
-    rm $APTARCHIVE/dists/unstable/Release.gpg
+    rm "$APTARCHIVE/dists/unstable/InRelease"
+    rm "$APTARCHIVE/dists/unstable/Release.gpg"
 
     testwarning aptget update --allow-insecure-repositories
     listcurrentlistsdirectory > lists.before
@@ -130,7 +130,7 @@ E: There were unauthenticated packages and -y was used without --allow-unauthent
 E: Some index files failed to download. They have been ignored, or old ones used instead." aptget update -qq
 
     testfileequal lists.before "$(listcurrentlistsdirectory)"
-    testfailure ls rootdir/var/lib/apt/lists/*_InRelease
+    testempty find "${ROOTDIR}/var/lib/apt/lists" -maxdepth 1 -name '*_InRelease'
     testfailureequal "WARNING: The following packages cannot be authenticated!
   old
 E: There were unauthenticated packages and -y was used without --allow-unauthenticated" aptget install -qq -y old
@@ -147,7 +147,7 @@ W: Failed to fetch file:$APTARCHIVE/dists/unstable/InRelease  The following sign
 W: Some index files failed to download. They have been ignored, or old ones used instead." aptget update -qq
 
     testfileequal lists.before "$(listcurrentlistsdirectory)"
-    testsuccess ls rootdir/var/lib/apt/lists/*_InRelease
+    testnotempty find "${ROOTDIR}/var/lib/apt/lists" -name '*_InRelease'
 }
 
 test_inrelease_to_broken_gzip() {
@@ -159,10 +159,10 @@ test_inrelease_to_broken_gzip() {
     signreleasefiles
 
     # append junk at the end of the compressed file
-    echo "lala" >> $APTARCHIVE/dists/unstable/main/source/Sources.gz
-    touch -d '+2min' $APTARCHIVE/dists/unstable/main/source/Sources.gz
+    echo "lala" >> "$APTARCHIVE/dists/unstable/main/source/Sources.gz"
+    touch -d '+2min' "$APTARCHIVE/dists/unstable/main/source/Sources.gz"
     # remove uncompressed file to avoid fallback
-    rm $APTARCHIVE/dists/unstable/main/source/Sources
+    rm "$APTARCHIVE/dists/unstable/main/source/Sources"
 
     testfailure aptget update
     testsuccess grep 'Hash Sum mismatch' rootdir/tmp/testfailure.output
@@ -177,9 +177,9 @@ configarchitecture "i386"
 
 # setup the archive and ensure we have a single package that installs fine
 setupaptarchive
-APTARCHIVE=$(readlink -f ./aptarchive)
-ROOTDIR=${TMPWORKINGDIRECTORY}/rootdir
-APTARCHIVE_LISTS="$(echo $APTARCHIVE | tr "/" "_" )"
+APTARCHIVE="$(readlink -f ./aptarchive)"
+ROOTDIR="${TMPWORKINGDIRECTORY}/rootdir"
+APTARCHIVE_LISTS="$(echo "$APTARCHIVE" | tr "/" "_" )"
 
 # test the following cases:
 # - InRelease -> broken InRelease revert to previous state
diff --git a/test/integration/test-bug-590041-prefer-non-virtual-packages b/test/integration/test-bug-590041-prefer-non-virtual-packages
index 4e2a5142c..b05ef5539 100755
--- a/test/integration/test-bug-590041-prefer-non-virtual-packages
+++ b/test/integration/test-bug-590041-prefer-non-virtual-packages
@@ -38,7 +38,7 @@ Section: oldlibs
 Size: 44168
 "
 
-cat <<-EOF >aptarchive/Packages
+cat >aptarchive/Packages <<EOF
 $pkglibc6
 $pkglibdb1
 EOF
diff --git a/test/integration/test-bug-728500-tempdir b/test/integration/test-bug-728500-tempdir
index 3ae94c58f..bff90c5f2 100755
--- a/test/integration/test-bug-728500-tempdir
+++ b/test/integration/test-bug-728500-tempdir
@@ -14,16 +14,10 @@ changetowebserver
 
 msgtest 'Test apt-get update with incorrect' 'TMPDIR'
 
-OUTPUT=$(mktemp)
-addtrap "rm $OUTPUT;"
+OUTPUT="$(mktemp)"
+addtrap "rm \"$OUTPUT\";"
 export TMPDIR=/does-not-exists
-if aptget update -o Debug::Acquire::gpg=1 >${OUTPUT} 2>&1; then
-	msgpass
-else
-	echo
-	cat $OUTPUT
-	msgfail
-fi
+testsuccess aptget update -o Debug::Acquire::gpg=1
 unset TMPDIR
 
 testsuccessequal 'coolstuff' aptcache pkgnames
diff --git a/test/integration/test-bug-738785-switch-protocol b/test/integration/test-bug-738785-switch-protocol
index e86f28824..d925a70bb 100755
--- a/test/integration/test-bug-738785-switch-protocol
+++ b/test/integration/test-bug-738785-switch-protocol
@@ -42,12 +42,15 @@ testdpkginstalled 'apt'
 # install a slowed down file: otherwise its to fast to reproduce combining
 NEWMETHODS="$(readlink -f rootdir)/usr/lib/apt/methods"
 OLDMETHODS="$(readlink -f rootdir/usr/lib/apt/methods)"
-rm $NEWMETHODS
-mkdir $NEWMETHODS
-for METH in $(find $OLDMETHODS ! -type d); do
-	ln -s $OLDMETHODS/$(basename $METH) $NEWMETHODS
+rm "$NEWMETHODS"
+mkdir "$NEWMETHODS"
+backupIFS="$IFS"
+IFS="$(printf "\n\b")"
+for METH in $(find "$OLDMETHODS" ! -type d); do
+	ln -s "$OLDMETHODS/$(basename "$METH")" "$NEWMETHODS"
 done
-rm $NEWMETHODS/https
+IFS="$backupIFS"
+rm "$NEWMETHODS/https"
 
 cd downloaded
 testfailureequal "E: The method driver $(readlink -f './../')/rootdir/usr/lib/apt/methods/https could not be found.
@@ -56,7 +59,7 @@ testfailure test -e apt_1.0_all.deb
 cd - >/dev/null
 
 # revert to all methods
-ln -s $OLDMETHODS/https $NEWMETHODS
+ln -s "$OLDMETHODS/https" "$NEWMETHODS"
 
 # check that downgrades from https to http are not allowed
 webserverconfig 'aptwebserver::support::http' 'true'
diff --git a/test/integration/test-bug-769609-triggers-still-pending-after-run b/test/integration/test-bug-769609-triggers-still-pending-after-run
index 146fa766b..665c4e2db 100755
--- a/test/integration/test-bug-769609-triggers-still-pending-after-run
+++ b/test/integration/test-bug-769609-triggers-still-pending-after-run
@@ -20,13 +20,13 @@ buildtriggerpackages() {
 	local TYPE="$1"
 	setupsimplenativepackage "triggerable-$TYPE" 'all' '1.0' 'unstable' "Depends: trigdepends-$TYPE"
 	BUILDDIR="incoming/triggerable-${TYPE}-1.0"
-	cat >${BUILDDIR}/debian/postinst <<EOF
+	cat >"${BUILDDIR}/debian/postinst" <<EOF
 #!/bin/sh
 if [ "\$1" = 'triggered' ]; then
 	ls -l /proc/self/fd/
 fi
 EOF
-	echo "$TYPE /usr/share/doc" > ${BUILDDIR}/debian/triggers
+	echo "$TYPE /usr/share/doc" > "${BUILDDIR}/debian/triggers"
 	buildpackage "$BUILDDIR" 'unstable' 'main' 'native'
 	rm -rf "$BUILDDIR"
 	buildsimplenativepackage "trigdepends-$TYPE" 'all' '1.0' 'unstable'
diff --git a/test/integration/test-disappearing-packages b/test/integration/test-disappearing-packages
index 3b1e1bd7c..ffe692c10 100755
--- a/test/integration/test-disappearing-packages
+++ b/test/integration/test-disappearing-packages
@@ -1,30 +1,30 @@
 #!/bin/sh
 set -e
 
-TESTDIR=$(readlink -f $(dirname $0))
-. $TESTDIR/framework
+TESTDIR="$(readlink -f "$(dirname "$0")")"
+. "$TESTDIR/framework"
 setupenvironment
 configarchitecture 'native'
 
-buildsimplenativepackage "old-pkg" "native" "1.0" "stable"
-buildsimplenativepackage "unrelated" "all" "0.5" "unstable"
+buildsimplenativepackage 'old-pkg' 'native' '1.0' 'stable'
+buildsimplenativepackage 'unrelated' 'all' '0.5' 'unstable'
 
-setupsimplenativepackage "new-pkg" "native" "2.0" "unstable" "Provides: old-pkg
+setupsimplenativepackage 'new-pkg' 'native' '2.0' 'unstable' 'Provides: old-pkg
 Replaces: old-pkg
-Conflicts: old-pkg (<< 2.0)"
-BUILDDIR="incoming/new-pkg-2.0"
-echo "/usr/share/doc/new-pkg /usr/share/doc/old-pkg" > ${BUILDDIR}/debian/new-pkg.links
-buildpackage "$BUILDDIR" "unstable" "main"
+Conflicts: old-pkg (<< 2.0)'
+BUILDDIR='incoming/new-pkg-2.0'
+echo '/usr/share/doc/new-pkg /usr/share/doc/old-pkg' > "${BUILDDIR}/debian/new-pkg.links"
+buildpackage "$BUILDDIR" 'unstable' 'main'
 rm -rf "$BUILDDIR"
 
-setupsimplenativepackage "old-pkg" "all" "2.0" "unstable" "Depends: new-pkg"
-BUILDDIR="incoming/old-pkg-2.0"
-echo "/usr/share/doc/new-pkg /usr/share/doc/old-pkg" > ${BUILDDIR}/debian/old-pkg.links
+setupsimplenativepackage 'old-pkg' 'all' '2.0' 'unstable' 'Depends: new-pkg'
+BUILDDIR='incoming/old-pkg-2.0'
+echo '/usr/share/doc/new-pkg /usr/share/doc/old-pkg' > "${BUILDDIR}/debian/old-pkg.links"
 echo "
 override_dh_link:
 	rm -rf debian/old-pkg/usr/share/doc/old-pkg/
-	dh_link" >> ${BUILDDIR}/debian/rules
-buildpackage "$BUILDDIR" "unstable" "main"
+	dh_link" >> "${BUILDDIR}/debian/rules"
+buildpackage "$BUILDDIR" 'unstable' 'main'
 rm -rf "$BUILDDIR"
 
 setupaptarchive
@@ -33,22 +33,22 @@ testsuccess aptget install old-pkg=1.0 --trivial-only
 
 testmarkedauto # old-pkg is manual installed
 
-CMD="aptget dist-upgrade -y -q=0"
-msgtest "Test for equality of" "$CMD"
-COMPAREFILE=$(mktemp)
-echo "The following package disappeared from your system as
+CMD='aptget dist-upgrade -y -q=0'
+msgtest 'Test for equality of' "$CMD"
+COMPAREFILE="$(mktemp)"
+echo 'The following package disappeared from your system as
 all files have been overwritten by other packages:
   old-pkg
-Note: This is done automatically and on purpose by dpkg." > $COMPAREFILE
-$CMD 2>&1 | tail -n 4 | diff -u $COMPAREFILE - && msgpass || msgfail
-rm $COMPAREFILE
+Note: This is done automatically and on purpose by dpkg.' > "$COMPAREFILE"
+$CMD 2>&1 | tail -n 4 | diff -u "$COMPAREFILE" - && msgpass || msgfail
+rm "$COMPAREFILE"
 
 sed -i rootdir/var/log/apt/history.log -e '/^Commandline: / d' -e '/^Start-Date: / d' -e '/^End-Date: / d' -e "s#:$(getarchitecture 'native') #:native #"
-testfileequal "rootdir/var/log/apt/history.log" "
+testfileequal 'rootdir/var/log/apt/history.log' '
 Install: old-pkg:native (1.0)
 
 Install: new-pkg:native (2.0, automatic)
 Upgrade: old-pkg:native (1.0, 2.0)
-Disappeared: old-pkg (1.0)"
+Disappeared: old-pkg (1.0)'
 
 testmarkedauto  # new-pkg should have get the manual flag from old-pkg
diff --git a/test/integration/test-failing-maintainer-scripts b/test/integration/test-failing-maintainer-scripts
index 953506aa5..0ea22b04d 100755
--- a/test/integration/test-failing-maintainer-scripts
+++ b/test/integration/test-failing-maintainer-scripts
@@ -13,7 +13,7 @@ createfailure() {
 	setupsimplenativepackage "failure-$1" 'native' '1.0' 'unstable' 'Depends: dependee'
 	BUILDDIR="incoming/failure-$1-1.0"
 	echo '#!/bin/sh
-exit 29' > ${BUILDDIR}/debian/$1
+exit 29' > "${BUILDDIR}/debian/$1"
 	buildpackage "$BUILDDIR" 'unstable' 'main' 'native'
 	rm -rf "$BUILDDIR"
 }
@@ -31,40 +31,40 @@ APTHOOK="${TMPWORKINGDIRECTORY}/rootdir/usr/bin/apthook"
 echo '#!/bin/sh
 echo "$1: START"
 echo "$1: MaiN"
-echo "$1: ENd"' > $APTHOOK
-chmod +x $APTHOOK
+echo "$1: ENd"' > "$APTHOOK"
+chmod +x "$APTHOOK"
 echo "DPKG::Pre-Invoke:: \"${APTHOOK} PRE\";
 DPKG::Post-Invoke:: \"${APTHOOK} POST\";" > rootdir/etc/apt/apt.conf.d/99apthooks
 
 testmyfailure() {
 	local PROGRESS='rootdir/tmp/progress.log'
-	exec 3> $PROGRESS
+	exec 3> "$PROGRESS"
 	testfailure "$@" -o APT::Status-Fd=3
 	msgtest 'Test for failure message of maintainerscript in' 'console log'
 	local TEST='rootdir/tmp/testfailure.output'
 	if grep -q 'exit status 29' "$TEST"; then
 		msgpass
 	else
-		cat $TEST
+		cat "$TEST"
 		msgfail
 	fi
 	msgtest 'Test for proper execution of invoke scripts in' 'console log'
-	if grep -q '^PRE: START$' $TEST &&
-		grep -q '^PRE: MaiN$' $TEST &&
-		grep -q '^PRE: ENd$' $TEST &&
-		grep -q '^POST: START$' $TEST &&
-		grep -q '^POST: MaiN$' $TEST &&
-		grep -q '^POST: ENd$' $TEST; then
+	if grep -q '^PRE: START$' "$TEST" &&
+		grep -q '^PRE: MaiN$' "$TEST" &&
+		grep -q '^PRE: ENd$' "$TEST" &&
+		grep -q '^POST: START$' "$TEST" &&
+		grep -q '^POST: MaiN$' "$TEST" &&
+		grep -q '^POST: ENd$' "$TEST"; then
 		msgpass
 	else
-		cat $TEST
+		cat "$TEST"
 		msgfail
 	fi
 	msgtest 'Test for failure message of maintainerscript in' 'progress log'
 	if grep -q '^pmerror:.\+exit status 29$' "$PROGRESS"; then
 		msgpass
 	else
-		cat $PROGRESS
+		cat "$PROGRESS"
 		msgfail
 	fi
 	testmarkedauto 'dependee'
diff --git a/test/integration/test-kernel-helper-autoremove b/test/integration/test-kernel-helper-autoremove
index a110d5d52..5e9b9f59a 100755
--- a/test/integration/test-kernel-helper-autoremove
+++ b/test/integration/test-kernel-helper-autoremove
@@ -29,7 +29,7 @@ testsuccess aptmark hold "${CURRENTKERNEL}-rt"
 testprotected() {
 	rm -f rootdir/etc/apt/apt.conf.d/01autoremove-kernels protected.list
 
-	testsuccess runapt sh ${TESTDIR}/../../debian/apt.auto-removal.sh "$@"
+	testsuccess runapt sh "${TESTDIR}/../../debian/apt.auto-removal.sh" "$@"
 	testfailure test -s rootdir/tmp/testsuccess.output
 
 	msgtest 'Check kernel autoremoval protection list' 'is created'
diff --git a/test/integration/test-pdiff-usage b/test/integration/test-pdiff-usage
index 62c87fe08..d60a81b21 100755
--- a/test/integration/test-pdiff-usage
+++ b/test/integration/test-pdiff-usage
@@ -10,7 +10,7 @@ confighashes 'SHA1' 'SHA256'
 
 buildaptarchive
 setupflataptarchive
-changetowebserver
+changetowebserver -o aptwebserver::support::modified-since=false
 
 PKGFILE="${TESTDIR}/$(echo "$(basename $0)" | sed 's#^test-#Packages-#')"
 
diff --git a/test/integration/test-releasefile-verification b/test/integration/test-releasefile-verification
index 60aa4421a..c5b9f147f 100755
--- a/test/integration/test-releasefile-verification
+++ b/test/integration/test-releasefile-verification
@@ -23,10 +23,10 @@ prepare() {
 		fi
 	fi
 	for release in $(find rootdir/var/lib/apt/lists 2> /dev/null); do
-		touch -d 'now - 1 year' $release
+		touch -d 'now - 1 year' "$release"
 	done
 	aptget clean
-	cp $1 aptarchive/Packages
+	cp "$1" aptarchive/Packages
 	find aptarchive -name 'Release' -delete
 	compressfile 'aptarchive/Packages' "$DATE"
 	generatereleasefiles "$DATE"
@@ -89,7 +89,7 @@ E: There were unauthenticated packages and -y was used without --allow-unauthent
 # fake our downloadable file
 touch aptarchive/apt.deb
 
-PKGFILE="${TESTDIR}/$(echo "$(basename $0)" | sed 's#^test-#Packages-#')"
+PKGFILE="${TESTDIR}/$(echo "$(basename "$0")" | sed 's#^test-#Packages-#')"
 
 updatewithwarnings() {
 	testwarning aptget update -o Debug::pkgAcquire::Worker=1 -o Debug::Acquire::gpgv=1
@@ -97,97 +97,97 @@ updatewithwarnings() {
 }
 
 runtest() {
-	prepare ${PKGFILE}
+	prepare "${PKGFILE}"
 	rm -rf rootdir/var/lib/apt/lists
 	signreleasefiles 'Joe Sixpack'
 	find aptarchive/ -name "$DELETEFILE" -delete
 	msgmsg 'Cold archive signed by' 'Joe Sixpack'
 	testsuccess aptget update
-	testsuccessequal "$(cat ${PKGFILE})
+	testsuccessequal "$(cat "${PKGFILE}")
 " aptcache show apt
 	installaptold
 
-	prepare ${PKGFILE}-new
+	prepare "${PKGFILE}-new"
 	signreleasefiles 'Joe Sixpack'
 	find aptarchive/ -name "$DELETEFILE" -delete
 	msgmsg 'Good warm archive signed by' 'Joe Sixpack'
 	testsuccess aptget update
-	testsuccessequal "$(cat ${PKGFILE}-new)
+	testsuccessequal "$(cat "${PKGFILE}-new")
 " aptcache show apt
 	installaptnew
 
-	prepare ${PKGFILE}
+	prepare "${PKGFILE}"
 	rm -rf rootdir/var/lib/apt/lists
 	cp keys/rexexpired.pub rootdir/etc/apt/trusted.gpg.d/rexexpired.gpg
 	signreleasefiles 'Rex Expired'
 	find aptarchive/ -name "$DELETEFILE" -delete
 	msgmsg 'Cold archive signed by' 'Rex Expired'
 	updatewithwarnings '^W: .* KEYEXPIRED'
-	testsuccessequal "$(cat ${PKGFILE})
+	testsuccessequal "$(cat "${PKGFILE}")
 " aptcache show apt
 	failaptold
 	rm rootdir/etc/apt/trusted.gpg.d/rexexpired.gpg
 
-	prepare ${PKGFILE}
+	prepare "${PKGFILE}"
 	rm -rf rootdir/var/lib/apt/lists
 	signreleasefiles 'Marvin Paranoid'
 	find aptarchive/ -name "$DELETEFILE" -delete
 	msgmsg 'Cold archive signed by' 'Marvin Paranoid'
 	updatewithwarnings '^W: .* NO_PUBKEY'
-	testsuccessequal "$(cat ${PKGFILE})
+	testsuccessequal "$(cat "${PKGFILE}")
 " aptcache show apt
 	failaptold
 
-	prepare ${PKGFILE}-new
+	prepare "${PKGFILE}-new"
 	signreleasefiles 'Joe Sixpack'
 	find aptarchive/ -name "$DELETEFILE" -delete
 	msgmsg 'Bad warm archive signed by' 'Joe Sixpack'
 	testsuccess aptget update
-	testsuccessequal "$(cat ${PKGFILE}-new)
+	testsuccessequal "$(cat "${PKGFILE}-new")
 " aptcache show apt
 	installaptnew
 
 
-	prepare ${PKGFILE}
+	prepare "${PKGFILE}"
 	rm -rf rootdir/var/lib/apt/lists
 	signreleasefiles 'Joe Sixpack'
 	find aptarchive/ -name "$DELETEFILE" -delete
 	msgmsg 'Cold archive signed by' 'Joe Sixpack'
 	testsuccess aptget update
-	testsuccessequal "$(cat ${PKGFILE})
+	testsuccessequal "$(cat "${PKGFILE}")
 " aptcache show apt
 	installaptold
 
-	prepare ${PKGFILE}-new
+	prepare "${PKGFILE}-new"
 	signreleasefiles 'Marvin Paranoid'
 	find aptarchive/ -name "$DELETEFILE" -delete
 	msgmsg 'Good warm archive signed by' 'Marvin Paranoid'
 	updatewithwarnings '^W: .* NO_PUBKEY'
-	testsuccessequal "$(cat ${PKGFILE})
+	testsuccessequal "$(cat "${PKGFILE}")
 " aptcache show apt
 	installaptold
 
-	prepare ${PKGFILE}-new
+	prepare "${PKGFILE}-new"
 	cp keys/rexexpired.pub rootdir/etc/apt/trusted.gpg.d/rexexpired.gpg
 	signreleasefiles 'Rex Expired'
 	find aptarchive/ -name "$DELETEFILE" -delete
 	msgmsg 'Good warm archive signed by' 'Rex Expired'
 	updatewithwarnings '^W: .* KEYEXPIRED'
-	testsuccessequal "$(cat ${PKGFILE})
+	testsuccessequal "$(cat "${PKGFILE}")
 " aptcache show apt
 	installaptold
 	rm rootdir/etc/apt/trusted.gpg.d/rexexpired.gpg
 
-	prepare ${PKGFILE}-new
+	prepare "${PKGFILE}-new"
 	signreleasefiles
 	find aptarchive/ -name "$DELETEFILE" -delete
 	msgmsg 'Good warm archive signed by' 'Joe Sixpack'
 	testsuccess aptget update
-	testsuccessequal "$(cat ${PKGFILE}-new)
+	testsuccessequal "$(cat "${PKGFILE}-new")
 " aptcache show apt
 	installaptnew
 
-	prepare ${PKGFILE}
+	prepare "${PKGFILE}"
 	rm -rf rootdir/var/lib/apt/lists
 	signreleasefiles 'Marvin Paranoid'
 	find aptarchive/ -name "$DELETEFILE" -delete
@@ -195,7 +195,7 @@ runtest() {
 	local MARVIN="$(readlink -f keys/marvinparanoid.pub)"
 	sed -i "s#^\(deb\(-src\)\?\) #\1 [signed-by=$MARVIN] #" rootdir/etc/apt/sources.list.d/*
 	testsuccess aptget update -o Debug::pkgAcquire::Worker=1
-	testsuccessequal "$(cat ${PKGFILE})
+	testsuccessequal "$(cat "${PKGFILE}")
 " aptcache show apt
 	installaptold
 
@@ -208,7 +208,7 @@ runtest() {
 	sed -i "s#^\(deb\(-src\)\?\) \[signed-by=$MARVIN\] #\1 #" rootdir/etc/apt/sources.list.d/*
 	local MARVIN="$(aptkey --keyring $MARVIN finger | grep 'Key fingerprint' | cut -d'=' -f 2 | tr -d ' ')"
 
-	prepare ${PKGFILE}
+	prepare "${PKGFILE}"
 	rm -rf rootdir/var/lib/apt/lists
 	signreleasefiles 'Marvin Paranoid'
 	find aptarchive/ -name "$DELETEFILE" -delete
@@ -216,7 +216,7 @@ runtest() {
 	sed -i "s#^\(deb\(-src\)\?\) #\1 [signed-by=$MARVIN] #" rootdir/etc/apt/sources.list.d/*
 	cp keys/marvinparanoid.pub rootdir/etc/apt/trusted.gpg.d/marvinparanoid.gpg
 	testsuccess aptget update -o Debug::pkgAcquire::Worker=1 -o Debug::Acquire::gpgv=1
-	testsuccessequal "$(cat ${PKGFILE})
+	testsuccessequal "$(cat "${PKGFILE}")
 " aptcache show apt
 	installaptold
 	rm -f rootdir/etc/apt/trusted.gpg.d/marvinparanoid.gpg
@@ -231,7 +231,7 @@ runtest() {
 }
 
 runtest2() {
-	prepare ${PKGFILE}
+	prepare "${PKGFILE}"
 	rm -rf rootdir/var/lib/apt/lists
 	signreleasefiles 'Joe Sixpack'
 	msgmsg 'Cold archive signed by' 'Joe Sixpack'
@@ -239,12 +239,12 @@ runtest2() {
 
 	# New .deb but now an unsigned archive. For example MITM to circumvent
 	# package verification.
-	prepare ${PKGFILE}-new
+	prepare "${PKGFILE}-new"
 	find aptarchive/ -name InRelease -delete
 	find aptarchive/ -name Release.gpg -delete
 	msgmsg 'Warm archive signed by' 'nobody'
 	updatewithwarnings 'W: .* no longer signed.'
-	testsuccessequal "$(cat ${PKGFILE}-new)
+	testsuccessequal "$(cat "${PKGFILE}-new")
 " aptcache show apt
 	failaptnew
 
@@ -252,7 +252,7 @@ runtest2() {
 	rm -rf rootdir/var/lib/apt/lists
 	msgmsg 'Cold archive signed by' 'nobody'
 	updatewithwarnings 'W: .* is not signed.'
-	testsuccessequal "$(cat ${PKGFILE}-new)
+	testsuccessequal "$(cat "${PKGFILE}-new")
 " aptcache show apt
 	failaptnew
 }