Systemd/test/test-execute/exec-dynamicuser-statedir.service

[Unit]
Description=Test DynamicUser= with StateDirectory=

[Service]
ExecStart=/bin/sh -c 'test -w /var/lib/waldo'
ExecStart=/bin/sh -c 'test -w /var/lib/quux/pief'
ExecStart=/bin/sh -c 'touch /var/lib/waldo/yay'
ExecStart=/bin/sh -c 'touch /var/lib/quux/pief/yayyay'
ExecStart=/bin/sh -c 'test -f /var/lib/waldo/yay'
ExecStart=/bin/sh -c 'test -f /var/lib/quux/pief/yayyay'
ExecStart=/bin/sh -c 'test -f /var/lib/private/waldo/yay'
ExecStart=/bin/sh -c 'test -f /var/lib/private/quux/pief/yayyay'

# Make sure that /var/lib/private/waldo is really the only writable directory besides the obvious candidates
ExecStart=/bin/sh -x -c 'test $$(find / -type d -writable 2> /dev/null | egrep -v -e \'^(/var/tmp$$|/tmp$$|/proc/|/dev/mqueue$$|/dev/shm$$|/sys/fs/bpf$$)\' | sort -u | tr -d '\\\\n') = /var/lib/private/quux/pief/var/lib/private/waldo'

Type=oneshot
DynamicUser=yes
StateDirectory=waldo quux/pief