1 files changed, 43 insertions, 0 deletions
diff --git a/tests/chrootless-fakeroot b/tests/chrootless-fakeroot
new file mode 100644
index 0000000..8821fa6
--- /dev/null
+++ b/tests/chrootless-fakeroot
@@ -0,0 +1,43 @@
+#!/bin/sh
+set -eu
+export LC_ALL=C.UTF-8
+export SOURCE_DATE_EPOCH={{ SOURCE_DATE_EPOCH }}
+trap "rm -f /tmp/chrootless.tar /tmp/root.tar" EXIT INT TERM
+
+[ {{ MODE }} = chrootless ]
+
+prefix=
+if [ "$(id -u)" -eq 0 ] && [ "{{ MODE }}" != "root" ] && [ "{{ MODE }}" != "auto" ]; then
+	if ! id "${SUDO_USER:-user}" >/dev/null 2>&1; then
+		if [ ! -e /mmdebstrap-testenv ]; then
+			echo "this test modifies the system and should only be run inside a container" >&2
+			exit 1
+		fi
+		useradd --home-dir "/home/${SUDO_USER:-user}" --create-home "${SUDO_USER:-user}"
+	fi
+	prefix="runuser -u ${SUDO_USER:-user} --"
+fi
+
+MMTARFILTER=
+[ -x /usr/bin/mmtarfilter ] && MMTARFILTER=/usr/bin/mmtarfilter
+[ -x ./tarfilter ] && MMTARFILTER=./tarfilter
+
+# we need --hook-dir=./hooks/merged-usr because usrmerge does not understand
+# DPKG_ROOT
+# permissions drwxr-sr-x and extended attributes of ./var/log/journal/ cannot
+# be preserved under fakeroot
+# this applies to 'z' lines in files in /usr/lib/tmpfiles.d/
+for INCLUDE in '' 'apt' 'apt,build-essential' 'systemd-sysv'; do
+	{{ CMD }} --variant={{ VARIANT }} --hook-dir=./hooks/merged-usr \
+		${INCLUDE:+--include="$INCLUDE"} \
+		{{ DIST }} - {{ MIRROR }} \
+		| "$MMTARFILTER" --path-exclude="/var/log/journal" --path-exclude="/etc/credstore*" \
+		>/tmp/root.tar
+	$prefix fakeroot {{ CMD }} --mode={{ MODE }} --variant={{ VARIANT }} --hook-dir=./hooks/merged-usr \
+		${INCLUDE:+--include="$INCLUDE"} \
+		{{ DIST }} - {{ MIRROR }} \
+		| "$MMTARFILTER" --path-exclude="/var/log/journal" --path-exclude="/etc/credstore*" \
+		> /tmp/chrootless.tar
+	cmp /tmp/root.tar /tmp/chrootless.tar || diffoscope /tmp/root.tar /tmp/chrootless.tar
+	rm /tmp/chrootless.tar /tmp/root.tar
+done