test: Extend sysext tests with cases using env var for mutable mode
This commit is contained in:
Krzesimir Nowak
@@ -815,6 +815,16 @@ prep_root() {
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mkdir -p "${r}${h}" "${r}/usr/lib" "${r}/var/lib/extensions" "${r}/var/lib/extensions.mutable"
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}
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prep_env() {
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local mode=${1}; shift
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export SYSTEMD_SYSEXT_MUTABLE_MODE=${mode}
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}
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drop_env() {
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unset -v SYSTEMD_SYSEXT_MUTABLE_MODE
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}
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gen_os_release() {
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local r=${1}; shift
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@@ -950,6 +960,7 @@ check_usual_suspects_after_unmerge() {
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check_usual_suspects "${r}" "${h}" "after unmerge" "${@}"
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}
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drop_env
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#
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# no extension data in /var/lib/extensions.mutable/…, read-only hierarchy,
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@@ -982,6 +993,7 @@ check_usual_suspects_after_unmerge "${fake_root}" "${hierarchy}" h
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touch "${fake_root}${hierarchy}/should-still-fail-on-read-only-fs" && die "${fake_root}${hierarchy} is not read-only after unmerge"
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#
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# no extension data in /var/lib/extensions.mutable/…, mutable hierarchy,
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# mutability disabled by default
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@@ -1480,6 +1492,223 @@ SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" u
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check_usual_suspects_after_unmerge "${fake_root}" "${hierarchy}" h
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#
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# /var/lib/extensions.mutable/… does not exist, but mutability is enabled
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# through an env var
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#
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# mutable merged
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#
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fake_root=${fake_roots_dir}/enabled-env-var
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hierarchy=/usr
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prep_env "yes"
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prep_root "${fake_root}" "${hierarchy}"
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gen_os_release "${fake_root}"
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gen_test_ext_image "${fake_root}" "${hierarchy}"
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ext_data_path=$(hierarchy_ext_mut_path "${fake_root}" "${hierarchy}")
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prep_ro_hierarchy "${fake_root}" "${hierarchy}"
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touch "${fake_root}${hierarchy}/should-fail-on-read-only-fs" && die "${fake_root}${hierarchy} is not read-only"
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test ! -d "${ext_data_path}" || die "extensions.mutable should not exist"
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# run systemd-sysext
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SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" merge
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test -d "${ext_data_path}" || die "extensions.mutable should exist now"
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touch "${fake_root}${hierarchy}/now-is-mutable" || die "${fake_root}${hierarchy} is not mutable"
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check_usual_suspects_after_merge "${fake_root}" "${hierarchy}" e h
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test -f "${ext_data_path}/now-is-mutable" || die "now-is-mutable is not stored in expected location"
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SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" unmerge
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check_usual_suspects_after_unmerge "${fake_root}" "${hierarchy}" h
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test -f "${ext_data_path}/now-is-mutable" || die "now-is-mutable disappeared from writable storage after unmerge"
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test ! -f "${fake_root}${hierarchy}/now-is-mutable" || die "now-is-mutable did not disappear from hierarchy after unmerge"
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drop_env
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#
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# /var/lib/extensions.mutable/… does not exist, auto-mutability through an env
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# var
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#
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# read-only merged
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#
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fake_root=${fake_roots_dir}/read-only-auto-env-var
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hierarchy=/usr
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prep_env "auto"
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prep_root "${fake_root}" "${hierarchy}"
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gen_os_release "${fake_root}"
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gen_test_ext_image "${fake_root}" "${hierarchy}"
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prep_ro_hierarchy "${fake_root}" "${hierarchy}"
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touch "${fake_root}${hierarchy}/should-fail-on-read-only-fs" && die "${fake_root}${hierarchy} is not read-only"
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# run systemd-sysext
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SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" --mutable=auto merge
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touch "${fake_root}${hierarchy}/should-still-fail-on-read-only-fs" && die "${fake_root}${hierarchy} is not read-only"
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check_usual_suspects_after_merge "${fake_root}" "${hierarchy}" e h
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SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" unmerge
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check_usual_suspects_after_unmerge "${fake_root}" "${hierarchy}" h
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drop_env
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#
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# extension data in /var/lib/extensions.mutable/…, read-only hierarchy,
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# auto-mutability through an env var
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#
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# mutable merged
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#
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fake_root=${fake_roots_dir}/auto-mutable-env-var
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hierarchy=/usr
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prep_env "auto"
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prep_root "${fake_root}" "${hierarchy}"
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gen_os_release "${fake_root}"
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gen_test_ext_image "${fake_root}" "${hierarchy}"
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ext_data_path=$(hierarchy_ext_mut_path "${fake_root}" "${hierarchy}")
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prep_ext_mut "${ext_data_path}"
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prep_ro_hierarchy "${fake_root}" "${hierarchy}"
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touch "${fake_root}${hierarchy}/should-fail-on-read-only-fs" && die "${fake_root}${hierarchy} is not read-only"
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# run systemd-sysext
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SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" merge
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touch "${fake_root}${hierarchy}/now-is-mutable" || die "${fake_root}${hierarchy} is not mutable"
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check_usual_suspects_after_merge "${fake_root}" "${hierarchy}" e h u
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test -f "${ext_data_path}/now-is-mutable" || die "now-is-mutable is not stored in expected location"
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SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" unmerge
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check_usual_suspects_after_unmerge "${fake_root}" "${hierarchy}" h
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test -f "${ext_data_path}/now-is-mutable" || die "now-is-mutable disappeared from writable storage after unmerge"
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test ! -f "${fake_root}${hierarchy}/now-is-mutable" || die "now-is-mutable did not disappear from hierarchy after unmerge"
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drop_env
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#
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# extension data in /var/lib/extensions.mutable/…, read-only hierarchy,
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# mutability disabled through an env var
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#
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# read-only merged
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#
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fake_root=${fake_roots_dir}/env-var-disabled
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hierarchy=/usr
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prep_env "no"
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prep_root "${fake_root}" "${hierarchy}"
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gen_os_release "${fake_root}"
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gen_test_ext_image "${fake_root}" "${hierarchy}"
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ext_data_path=$(hierarchy_ext_mut_path "${fake_root}" "${hierarchy}")
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prep_ext_mut "${ext_data_path}"
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prep_ro_hierarchy "${fake_root}" "${hierarchy}"
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touch "${fake_root}${hierarchy}/should-fail-on-read-only-fs" && die "${fake_root}${hierarchy} is not read-only"
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# run systemd-sysext
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SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" merge
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touch "${fake_root}${hierarchy}/should-be-read-only" && die "${fake_root}${hierarchy} is not read-only"
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check_usual_suspects_after_merge "${fake_root}" "${hierarchy}" e h
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SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" unmerge
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check_usual_suspects_after_unmerge "${fake_root}" "${hierarchy}" h
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drop_env
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#
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# /var/lib/extensions.mutable/… exists, but it's imported instead through an
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# env var
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#
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# read-only merged
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#
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fake_root=${fake_roots_dir}/imported-env-var
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hierarchy=/usr
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prep_env "import"
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prep_root "${fake_root}" "${hierarchy}"
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gen_os_release "${fake_root}"
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gen_test_ext_image "${fake_root}" "${hierarchy}"
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ext_data_path=$(hierarchy_ext_mut_path "${fake_root}" "${hierarchy}")
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prep_ext_mut "${ext_data_path}"
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prep_ro_hierarchy "${fake_root}" "${hierarchy}"
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touch "${fake_root}${hierarchy}/should-fail-on-read-only-fs" && die "${fake_root}${hierarchy} is not read-only"
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# run systemd-sysext
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SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" merge
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touch "${fake_root}${hierarchy}/should-still-fail-on-read-only-fs" && die "${fake_root}${hierarchy} is not read-only"
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check_usual_suspects_after_merge "${fake_root}" "${hierarchy}" e h u
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SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" unmerge
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check_usual_suspects_after_unmerge "${fake_root}" "${hierarchy}" h
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drop_env
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#
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# extension data in /var/lib/extensions.mutable/…, read-only hierarchy,
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# mutability enabled through an env var, but overridden with a command-line
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# option
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#
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# read-only merged
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#
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fake_root=${fake_roots_dir}/env-var-overridden
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hierarchy=/usr
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prep_env "yes"
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prep_root "${fake_root}" "${hierarchy}"
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gen_os_release "${fake_root}"
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gen_test_ext_image "${fake_root}" "${hierarchy}"
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ext_data_path=$(hierarchy_ext_mut_path "${fake_root}" "${hierarchy}")
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prep_ext_mut "${ext_data_path}"
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prep_ro_hierarchy "${fake_root}" "${hierarchy}"
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touch "${fake_root}${hierarchy}/should-fail-on-read-only-fs" && die "${fake_root}${hierarchy} is not read-only"
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# run systemd-sysext
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SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" --mutable=no merge
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touch "${fake_root}${hierarchy}/should-be-read-only" && die "${fake_root}${hierarchy} is not read-only"
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check_usual_suspects_after_merge "${fake_root}" "${hierarchy}" e h
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SYSTEMD_SYSEXT_HIERARCHIES="${hierarchy}" systemd-sysext --root="${fake_root}" unmerge
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check_usual_suspects_after_unmerge "${fake_root}" "${hierarchy}" h
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drop_env
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#
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# done
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#
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