1 files changed, 698 insertions, 0 deletions
diff --git a/test/test-systemctl-enable.sh b/test/test-systemctl-enable.sh
new file mode 100644
index 0000000..e22a3ef
--- /dev/null
+++ b/test/test-systemctl-enable.sh
@@ -0,0 +1,698 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -ex
+
+# Silence warning from running_in_chroot_or_offline()
+export SYSTEMD_IGNORE_CHROOT=1
+
+systemctl=${1:-systemctl}
+systemd_id128=${2:-systemd-id128}
+
+unset root
+cleanup() {
+    [ -n "$root" ] && rm -rf "$root"
+}
+trap cleanup exit
+root=$(mktemp -d --tmpdir systemctl-test.XXXXXX)
+
+islink() {
+    test -h "$1" || return 1
+    test "$(readlink "$1")" = "$2" || return 2
+}
+
+: '------enable nonexistent------------------------------------'
+( ! "$systemctl" --root="$root" enable test1.service )
+
+: '------basic enablement--------------------------------------'
+mkdir -p "$root/etc/systemd/system"
+cat >"$root/etc/systemd/system/test1.service" <<EOF
+[Install]
+WantedBy=default.target
+RequiredBy=special.target
+EOF
+
+"$systemctl" --root="$root" enable test1.service
+test -h "$root/etc/systemd/system/default.target.wants/test1.service"
+test -h "$root/etc/systemd/system/special.target.requires/test1.service"
+
+"$systemctl" --root="$root" reenable test1.service
+test -h "$root/etc/systemd/system/default.target.wants/test1.service"
+test -h "$root/etc/systemd/system/special.target.requires/test1.service"
+
+"$systemctl" --root="$root" disable test1.service
+test ! -h "$root/etc/systemd/system/default.target.wants/test1.service"
+test ! -h "$root/etc/systemd/system/special.target.requires/test1.service"
+
+: '------enable when link already exists-----------------------'
+# We don't read the symlink target, so it's OK for the symlink to point
+# to something else. We should just silently accept this.
+
+mkdir -p "$root/etc/systemd/system/default.target.wants"
+mkdir -p "$root/etc/systemd/system/special.target.requires"
+ln -s /usr/lib/systemd/system/test1.service "$root/etc/systemd/system/default.target.wants/test1.service"
+ln -s /usr/lib/systemd/system/test1.service "$root/etc/systemd/system/special.target.requires/test1.service"
+
+"$systemctl" --root="$root" enable test1.service
+test -h "$root/etc/systemd/system/default.target.wants/test1.service"
+test -h "$root/etc/systemd/system/special.target.requires/test1.service"
+
+"$systemctl" --root="$root" reenable test1.service
+test -h "$root/etc/systemd/system/default.target.wants/test1.service"
+test -h "$root/etc/systemd/system/special.target.requires/test1.service"
+
+"$systemctl" --root="$root" disable test1.service
+test ! -h "$root/etc/systemd/system/default.target.wants/test1.service"
+test ! -h "$root/etc/systemd/system/special.target.requires/test1.service"
+
+: '------suffix guessing---------------------------------------'
+"$systemctl" --root="$root" enable test1
+test -h "$root/etc/systemd/system/default.target.wants/test1.service"
+test -h "$root/etc/systemd/system/special.target.requires/test1.service"
+
+"$systemctl" --root="$root" reenable test1
+test -h "$root/etc/systemd/system/default.target.wants/test1.service"
+test -h "$root/etc/systemd/system/special.target.requires/test1.service"
+
+"$systemctl" --root="$root" disable test1
+test ! -e "$root/etc/systemd/system/default.target.wants/test1.service"
+test ! -e "$root/etc/systemd/system/special.target.requires/test1.service"
+
+: '-------aliases----------------------------------------------'
+cat >>"$root/etc/systemd/system/test1.service" <<EOF
+Alias=test1-goodalias.service
+Alias=test1@badalias.service
+Alias=test1-badalias.target
+Alias=test1-badalias.socket
+# we have a series of good, bad, and then good again
+Alias=test1-goodalias2.service
+EOF
+
+( ! "$systemctl" --root="$root" enable test1 )
+test -h "$root/etc/systemd/system/default.target.wants/test1.service"
+test -h "$root/etc/systemd/system/special.target.requires/test1.service"
+test ! -e "$root/etc/systemd/system/test1-goodalias.service"
+test -h "$root/etc/systemd/system/test1-goodalias.service"
+test ! -e "$root/etc/systemd/system/test1@badalias.service"
+test ! -e "$root/etc/systemd/system/test1-badalias.target"
+test ! -e "$root/etc/systemd/system/test1-badalias.socket"
+test -h "$root/etc/systemd/system/test1-goodalias2.service"
+
+: '-------aliases in reeanble----------------------------------'
+( ! "$systemctl" --root="$root" reenable test1 )
+test -h "$root/etc/systemd/system/default.target.wants/test1.service"
+test ! -e "$root/etc/systemd/system/test1-goodalias.service"
+test -h "$root/etc/systemd/system/test1-goodalias.service"
+
+test ! -e "$root/etc/systemd/system/test1@badalias.service"
+test ! -e "$root/etc/systemd/system/test1-badalias.target"
+test ! -e "$root/etc/systemd/system/test1-badalias.socket"
+
+"$systemctl" --root="$root" disable test1
+test ! -e "$root/etc/systemd/system/default.target.wants/test1.service"
+test ! -e "$root/etc/systemd/system/special.target.requires/test1.service"
+test ! -e "$root/etc/systemd/system/test1-goodalias.service"
+
+: '-------aliases when link already exists---------------------'
+cat >"$root/etc/systemd/system/test1a.service" <<EOF
+[Install]
+Alias=test1a-alias.service
+EOF
+
+ln -s /usr/lib/systemd/system/test1a.service "$root/etc/systemd/system/test1a-alias.service"
+
+"$systemctl" --root="$root" enable test1a.service
+test -h "$root/etc/systemd/system/test1a-alias.service"
+
+"$systemctl" --root="$root" disable test1a.service
+test ! -h "$root/etc/systemd/system/test1a-alias.service"
+
+: '-------also units-------------------------------------------'
+cat >"$root/etc/systemd/system/test2.socket" <<EOF
+[Install]
+WantedBy=sockets.target
+Also=test2.service
+EOF
+
+cat >"$root/etc/systemd/system/test2.service" <<EOF
+[Install]
+WantedBy=default.target
+Also=test2.socket
+EOF
+
+"$systemctl" --root="$root" reenable test2.service
+test -h "$root/etc/systemd/system/default.target.wants/test2.service"
+test -h "$root/etc/systemd/system/sockets.target.wants/test2.socket"
+
+"$systemctl" --root="$root" reenable test2.socket
+test -h "$root/etc/systemd/system/default.target.wants/test2.service"
+test -h "$root/etc/systemd/system/sockets.target.wants/test2.socket"
+
+"$systemctl" --root="$root" disable test2.socket
+test ! -e "$root/etc/systemd/system/default.target.wants/test2.service"
+test ! -e "$root/etc/systemd/system/sockets.target.wants/test2.socket"
+
+
+: '-------link-------------------------------------------------'
+# File doesn't exist yet
+test ! -e "$root/link1.path"
+( ! "$systemctl" --root="$root" link '/link1.path' )
+test ! -e "$root/etc/systemd/system/link1.path"
+
+cat >"$root/link1.path" <<EOF
+[Install]
+WantedBy=paths.target
+EOF
+
+"$systemctl" --root="$root" link '/link1.path'
+islink "$root/etc/systemd/system/link1.path" "/link1.path"
+
+: '-------link already linked same path------------------------'
+SYSTEMD_LOG_LEVEL=debug "$systemctl" --root="$root" link '/link1.path'  # this passes
+islink "$root/etc/systemd/system/link1.path" "/link1.path"
+
+: '-------link already linked different path-------------------'
+mkdir "$root/subdir"
+cp "$root/link1.path" "$root/subdir/"
+( ! "$systemctl" --root="$root" link '/subdir/link1.path' )
+islink "$root/etc/systemd/system/link1.path" "/link1.path"
+
+: '-------link bad suffix--------------------------------------'
+cp "$root/link1.path" "$root/subdir/link1.suffix"
+( ! "$systemctl" --root="$root" link '/subdir/link1.suffix' )
+test ! -e "$root/etc/systemd/system/link1.suffix"
+
+: '-------unlink by unit name----------------------------------'
+"$systemctl" --root="$root" disable 'link1.path'
+test ! -e "$root/etc/systemd/system/link1.path"
+
+: '-------unlink by path---------------------------------------'
+"$systemctl" --root="$root" link '/link1.path'
+test -h "$root/etc/systemd/system/link1.path"
+"$systemctl" --root="$root" disable '/link1.path'
+test ! -e "$root/etc/systemd/system/link1.path"
+
+: '-------unlink by wrong path---------------------------------'
+"$systemctl" --root="$root" link '/link1.path'
+test -h "$root/etc/systemd/system/link1.path"
+"$systemctl" --root="$root" disable '/subdir/link1.path'  # we only care about the name
+test ! -e "$root/etc/systemd/system/link1.path"
+
+
+: '-------link and enable--------------------------------------'
+"$systemctl" --root="$root" enable '/link1.path'
+islink "$root/etc/systemd/system/link1.path" "/link1.path"
+islink "$root/etc/systemd/system/paths.target.wants/link1.path" "/link1.path"
+
+: '-------enable already linked same path----------------------'
+"$systemctl" --root="$root" enable '/link1.path'
+islink "$root/etc/systemd/system/link1.path" "/link1.path"
+islink "$root/etc/systemd/system/paths.target.wants/link1.path" "/link1.path"
+
+: '-------enable already linked different path-----------------'
+( ! "$systemctl" --root="$root" enable '/subdir/link1.path' )
+islink "$root/etc/systemd/system/link1.path" "/link1.path"
+islink "$root/etc/systemd/system/paths.target.wants/link1.path" "/link1.path"
+
+: '-------enable bad suffix------------------------------------'
+cp "$root/link1.path" "$root/subdir/link1.suffix"
+( ! "$systemctl" --root="$root" enable '/subdir/link1.suffix' )
+test ! -e "$root/etc/systemd/system/link1.suffix"
+test ! -e "$root/etc/systemd/system/paths.target.wants/link1.suffix"
+
+: '-------disable by unit name---------------------------------'
+"$systemctl" --root="$root" disable 'link1.path'
+test ! -e "$root/etc/systemd/system/link1.path"
+test ! -e "$root/etc/systemd/system/paths.target.wants/link1.path"
+
+: '-------disable by path--------------------------------------'
+"$systemctl" --root="$root" enable '/link1.path'
+test -h "$root/etc/systemd/system/link1.path"
+test -h "$root/etc/systemd/system/paths.target.wants/link1.path"
+"$systemctl" --root="$root" disable '/link1.path'
+test ! -e "$root/etc/systemd/system/link1.path"
+test ! -e "$root/etc/systemd/system/paths.target.wants/link1.path"
+
+
+: '-------link and enable-------------------------------------'
+"$systemctl" --root="$root" link '/link1.path'
+islink "$root/etc/systemd/system/link1.path" "/link1.path"
+test ! -h "$root/etc/systemd/system/paths.target.wants/link1.path"
+
+"$systemctl" --root="$root" enable 'link1.path'
+islink "$root/etc/systemd/system/link1.path" "/link1.path"
+islink "$root/etc/systemd/system/paths.target.wants/link1.path" "/link1.path"
+
+"$systemctl" --root="$root" reenable 'link1.path'
+islink "$root/etc/systemd/system/link1.path" "/link1.path"
+islink "$root/etc/systemd/system/paths.target.wants/link1.path" "/link1.path"
+
+: '-------manual link------------------------------------------'
+cat >"$root/link3.suffix" <<EOF
+[Install]
+WantedBy=services.target
+EOF
+
+# We wouldn't create such a link ourselves, but it should accept it when present.
+ln -s "/link3.suffix" "$root/etc/systemd/system/link3.service"
+
+SYSTEMD_LOG_LEVEL=debug SYSTEMD_LOG_LOCATION=1 "$systemctl" --root="$root" enable 'link3.service'
+islink "$root/etc/systemd/system/link3.service" "/link3.suffix"
+islink "$root/etc/systemd/system/services.target.wants/link3.service" "/link3.suffix"
+
+SYSTEMD_LOG_LEVEL=debug SYSTEMD_LOG_LOCATION=1 "$systemctl" --root="$root" disable 'link3.service'
+test ! -h "$root/etc/systemd/system/link3.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/link3.service"
+
+: '-------enable on masked-------------------------------------'
+ln -s "/dev/null" "$root/etc/systemd/system/masked.service"
+( ! "$systemctl" --root="$root" enable 'masked.service' )
+( ! "$systemctl" --root="$root" enable '/etc/systemd/system/masked.service' )
+
+: '-------enable on masked alias-------------------------------'
+test -h "$root/etc/systemd/system/masked.service"
+ln -s "masked.service" "$root/etc/systemd/system/masked-alias.service"
+( ! "$systemctl" --root="$root" enable 'masked-alias.service' )
+( ! "$systemctl" --root="$root" enable '/etc/systemd/system/masked-alias.service' )
+
+: '-------issue 22000: link in subdirectory--------------------'
+mkdir -p "$root/etc/systemd/system/myown.d"
+cat >"$root/etc/systemd/system/link5-also.service" <<EOF
+[Install]
+WantedBy=services.target
+Also=link5.service
+EOF
+cat >"$root/etc/systemd/system/myown.d/link5.service" <<EOF
+[Install]
+WantedBy=services.target
+Also=link5-also.service
+EOF
+
+( ! "$systemctl" --root="$root" enable 'link5.service' )
+test ! -h "$root/etc/systemd/system/services.target.wants/link5.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/link5-also.service"
+
+"$systemctl" --root="$root" enable 'link5-also.service'
+test ! -h "$root/etc/systemd/system/services.target.wants/link5.service"
+islink "$root/etc/systemd/system/services.target.wants/link5-also.service" "/etc/systemd/system/link5-also.service"
+
+: '-------template enablement----------------------------------'
+cat >"$root/etc/systemd/system/templ1@.service" <<EOF
+[Install]
+WantedBy=services.target
+EOF
+
+# No instance here — this can't succeed.
+( ! "$systemctl" --root="$root" enable 'templ1@.service' )
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
+
+"$systemctl" --root="$root" enable 'templ1@one.service'
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
+islink "$root/etc/systemd/system/services.target.wants/templ1@one.service" "/etc/systemd/system/templ1@.service"
+
+"$systemctl" --root="$root" enable 'templ1@two.service'
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
+islink "$root/etc/systemd/system/services.target.wants/templ1@one.service" "/etc/systemd/system/templ1@.service"
+islink "$root/etc/systemd/system/services.target.wants/templ1@two.service" "/etc/systemd/system/templ1@.service"
+
+"$systemctl" --root="$root" disable 'templ1@one.service'
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@one.service"
+islink "$root/etc/systemd/system/services.target.wants/templ1@two.service" "/etc/systemd/system/templ1@.service"
+
+"$systemctl" --root="$root" disable 'templ1@two.service'
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@one.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@two.service"
+
+: '-------template enablement w/ default instance--------------'
+cat >"$root/etc/systemd/system/templ1@.service" <<EOF
+[Install]
+# check enablement with
+WantedBy=services.target services.target
+RequiredBy=other@templ1.target other@%p.target
+DefaultInstance=333
+EOF
+
+"$systemctl" --root="$root" enable 'templ1@.service'
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
+islink "$root/etc/systemd/system/services.target.wants/templ1@333.service" "/etc/systemd/system/templ1@.service"
+islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@333.service" "/etc/systemd/system/templ1@.service"
+
+"$systemctl" --root="$root" enable 'templ1@one.service'
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
+islink "$root/etc/systemd/system/services.target.wants/templ1@333.service" "/etc/systemd/system/templ1@.service"
+islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@333.service" "/etc/systemd/system/templ1@.service"
+islink "$root/etc/systemd/system/services.target.wants/templ1@one.service" "/etc/systemd/system/templ1@.service"
+islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@one.service" "/etc/systemd/system/templ1@.service"
+
+"$systemctl" --root="$root" enable 'templ1@two.service'
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
+islink "$root/etc/systemd/system/services.target.wants/templ1@333.service" "/etc/systemd/system/templ1@.service"
+islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@333.service" "/etc/systemd/system/templ1@.service"
+islink "$root/etc/systemd/system/services.target.wants/templ1@one.service" "/etc/systemd/system/templ1@.service"
+islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@one.service" "/etc/systemd/system/templ1@.service"
+islink "$root/etc/systemd/system/services.target.wants/templ1@two.service" "/etc/systemd/system/templ1@.service"
+islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@two.service" "/etc/systemd/system/templ1@.service"
+
+"$systemctl" --root="$root" disable 'templ1@one.service'
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
+islink "$root/etc/systemd/system/services.target.wants/templ1@333.service" "/etc/systemd/system/templ1@.service"
+islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@333.service" "/etc/systemd/system/templ1@.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@one.service"
+test ! -h "$root/etc/systemd/system/other@templ1.target.requires/templ1@one.service"
+islink "$root/etc/systemd/system/services.target.wants/templ1@two.service" "/etc/systemd/system/templ1@.service"
+islink "$root/etc/systemd/system/other@templ1.target.requires/templ1@two.service" "/etc/systemd/system/templ1@.service"
+
+# disable remaining links here
+"$systemctl" --root="$root" disable 'templ1@.service'
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@333.service"
+test ! -h "$root/etc/systemd/system/other@templ1.target.requires/templ1@333.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@one.service"
+test ! -h "$root/etc/systemd/system/other@templ1.target.requires/templ1@one.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@two.service"
+test ! -h "$root/etc/systemd/system/other@templ1.target.requires/templ1@two.service"
+
+: '-------removal of relative enablement symlinks--------------'
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
+ln -s '../templ1@one.service' "$root/etc/systemd/system/services.target.wants/templ1@one.service"
+ln -s 'templ1@two.service' "$root/etc/systemd/system/services.target.wants/templ1@two.service"
+ln -s '../templ1@.service' "$root/etc/systemd/system/services.target.wants/templ1@three.service"
+ln -s 'templ1@.service' "$root/etc/systemd/system/services.target.wants/templ1@four.service"
+ln -s '/usr/lib/systemd/system/templ1@.service' "$root/etc/systemd/system/services.target.wants/templ1@five.service"
+ln -s '/etc/systemd/system/templ1@.service' "$root/etc/systemd/system/services.target.wants/templ1@six.service"
+ln -s '/run/system/templ1@.service' "$root/etc/systemd/system/services.target.wants/templ1@seven.service"
+
+# this should remove all links
+"$systemctl" --root="$root" disable 'templ1@.service'
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@one.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@two.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@three.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@four.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@five.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@six.service"
+test ! -h "$root/etc/systemd/system/services.target.wants/templ1@seven.service"
+
+: '-------template enablement for another template-------------'
+cat >"$root/etc/systemd/system/templ2@.service" <<EOF
+[Install]
+RequiredBy=another-template@.target
+EOF
+
+"$systemctl" --root="$root" enable 'templ2@.service'
+islink "$root/etc/systemd/system/another-template@.target.requires/templ2@.service" "/etc/systemd/system/templ2@.service"
+
+"$systemctl" --root="$root" enable 'templ2@two.service'
+islink "$root/etc/systemd/system/another-template@.target.requires/templ2@.service" "/etc/systemd/system/templ2@.service"
+islink "$root/etc/systemd/system/another-template@.target.requires/templ2@two.service" "/etc/systemd/system/templ2@.service"
+
+"$systemctl" --root="$root" disable 'templ2@other.service'
+islink "$root/etc/systemd/system/another-template@.target.requires/templ2@.service" "/etc/systemd/system/templ2@.service"
+islink "$root/etc/systemd/system/another-template@.target.requires/templ2@two.service" "/etc/systemd/system/templ2@.service"
+
+"$systemctl" --root="$root" disable 'templ2@two.service'
+islink "$root/etc/systemd/system/another-template@.target.requires/templ2@.service" "/etc/systemd/system/templ2@.service"
+test ! -h "$root/etc/systemd/system/another-template@.target.requires/templ2@two.service"
+
+"$systemctl" --root="$root" disable 'templ2@.service'
+test ! -h "$root/etc/systemd/system/another-template@.target.requires/templ2@.service"
+test ! -h "$root/etc/systemd/system/another-template@.target.requires/templ2@two.service"
+
+: '-------aliases w/ and w/o instance--------------------------'
+test ! -e "$root/etc/systemd/system/link4.service"
+cat >"$root/etc/systemd/system/link4.service" <<EOF
+[Install]
+Alias=link4.service
+Alias=link4@.service
+Alias=link4@inst.service
+Alias=link4alias.service
+Alias=link4alias2.service
+EOF
+
+( ! "$systemctl" --root="$root" enable 'link4.service' )
+test ! -h "$root/etc/systemd/system/link4.service"  # this is our file
+test ! -h "$root/etc/systemd/system/link4@.service"
+test ! -h "$root/etc/systemd/system/link4@inst.service"
+islink "$root/etc/systemd/system/link4alias.service" "/etc/systemd/system/link4.service"
+islink "$root/etc/systemd/system/link4alias2.service" "/etc/systemd/system/link4.service"
+
+"$systemctl" --root="$root" disable 'link4.service'
+test ! -h "$root/etc/systemd/system/link4.service"
+test ! -h "$root/etc/systemd/system/link4@.service"
+test ! -h "$root/etc/systemd/system/link4@inst.service"
+test ! -h "$root/etc/systemd/system/link4alias.service"
+test ! -h "$root/etc/systemd/system/link4alias2.service"
+
+: '-------systemctl enable on path to unit file----------------'
+cat >"$root/etc/systemd/system/link4.service" <<EOF
+[Install]
+Alias=link4alias.service
+Alias=link4alias2.service
+EOF
+
+# Apparently this works. I'm not sure what to think.
+"$systemctl" --root="$root" enable '/etc/systemd/system/link4.service'
+test ! -h "$root/etc/systemd/system/link4.service"  # this is our file
+islink "$root/etc/systemd/system/link4alias.service" "/etc/systemd/system/link4.service"
+islink "$root/etc/systemd/system/link4alias2.service" "/etc/systemd/system/link4.service"
+
+"$systemctl" --root="$root" disable '/etc/systemd/system/link4.service'
+test ! -h "$root/etc/systemd/system/link4.service"
+test ! -h "$root/etc/systemd/system/link4alias.service"
+test ! -h "$root/etc/systemd/system/link4alias2.service"
+
+: '-------issue 661: enable on unit file--------------'
+test ! -e "$root/etc/systemd/system/link5.service"
+cat >"$root/etc/systemd/system/link5.service" <<EOF
+[Install]
+Alias=link5.service
+Alias=link5alias.service
+Alias=link5alias2.service
+EOF
+
+"$systemctl" --root="$root" enable 'link5.service'
+test ! -h "$root/etc/systemd/system/link5.service"  # this is our file
+islink "$root/etc/systemd/system/link5alias.service" "/etc/systemd/system/link5.service"
+islink "$root/etc/systemd/system/link5alias2.service" "/etc/systemd/system/link5.service"
+
+"$systemctl" --root="$root" disable 'link5.service'
+test ! -h "$root/etc/systemd/system/link5alias.service"
+test ! -h "$root/etc/systemd/system/link5alias2.service"
+
+: '-------issue 661: link and enable on unit file--------------'
+test ! -e "$root/etc/systemd/system/link5copy.service"
+cat >"$root/link5copy.service" <<EOF
+[Install]
+Alias=link5copy.service
+Alias=link5alias.service
+Alias=link5alias2.service
+EOF
+
+test ! -e "$root/etc/systemd/system/link5copy.service"
+
+"$systemctl" --root="$root" link '/link5copy.service'
+islink "$root/etc/systemd/system/link5copy.service" '/link5copy.service'
+test ! -h "$root/etc/systemd/system/link5alias.service"
+test ! -h "$root/etc/systemd/system/link5alias2.service"
+
+# FIXME: we must create link5alias2 and link5alias as relative links to link5.service
+# When they are independent links to /link5.service, systemd doesn't know that
+# they are aliases, because we do not follow symlinks outside of the search paths.
+
+"$systemctl" --root="$root" disable 'link5copy.service'
+test ! -h "$root/etc/systemd/system/link5copy.service"
+test ! -h "$root/etc/systemd/system/link5alias.service"
+test ! -h "$root/etc/systemd/system/link5alias2.service"
+
+"$systemctl" --root="$root" enable '/link5copy.service'
+islink "$root/etc/systemd/system/link5copy.service" '/link5copy.service'
+islink "$root/etc/systemd/system/link5alias.service" '/link5copy.service'
+islink "$root/etc/systemd/system/link5alias2.service" '/link5copy.service'
+
+"$systemctl" --root="$root" disable 'link5copy.service'
+test ! -h "$root/etc/systemd/system/link5copy.service"
+test ! -h "$root/etc/systemd/system/link5alias.service"
+test ! -h "$root/etc/systemd/system/link5alias2.service"
+
+: '----issue 19437: plain templates in .wants/ or .requires/---'
+test ! -e "$root/etc/systemd/system/link5@.path"
+cat >"$root/etc/systemd/system/link5@.path" <<EOF
+[Install]
+WantedBy=target5@.target
+RequiredBy=target5@.target
+WantedBy=target5@inst.target
+RequiredBy=target5@inst.target
+EOF
+
+"$systemctl" --root="$root" enable 'link5@.path'
+test ! -h "$root/etc/systemd/system/link5@.path"  # this is our file
+islink "$root/etc/systemd/system/target5@.target.wants/link5@.path" "/etc/systemd/system/link5@.path"
+islink "$root/etc/systemd/system/target5@.target.requires/link5@.path" "/etc/systemd/system/link5@.path"
+islink "$root/etc/systemd/system/target5@inst.target.wants/link5@.path" "/etc/systemd/system/link5@.path"
+islink "$root/etc/systemd/system/target5@inst.target.requires/link5@.path" "/etc/systemd/system/link5@.path"
+
+"$systemctl" --root="$root" disable 'link5@.path'
+test ! -h "$root/etc/systemd/system/link5@.path"  # this is our file
+test ! -h "$root/etc/systemd/system/target5@.target.wants/link5@.path"
+test ! -h "$root/etc/systemd/system/target5@.target.requires/link5@.path"
+test ! -h "$root/etc/systemd/system/target5@inst.target.wants/link5@.path"
+test ! -h "$root/etc/systemd/system/target5@inst.target.requires/link5@.path"
+
+: '-------removal of symlinks not listed in [Install]----------'
+# c.f. 66a19d85a533b15ed32f4066ec880b5a8c06babd
+test ! -e "$root/etc/systemd/system/multilink.mount"
+cat >"$root/etc/systemd/system/multilink.mount" <<EOF
+[Install]
+WantedBy=multilink.target
+EOF
+
+mkdir -p "$root/etc/systemd/system/default.target.wants"
+ln -s ../multilink.mount "$root/etc/systemd/system/default.target.wants/"
+ln -s ../multilink.mount "$root/etc/systemd/system/multilink-alias.mount"
+ln -s ../multilink.mount "$root/etc/systemd/system/multilink-badalias.service"
+
+"$systemctl" --root="$root" disable 'multilink.mount'
+test -e "$root/etc/systemd/system/multilink.mount"  # this is our file
+test ! -h "$root/etc/systemd/system/default.target.wants/"
+test ! -h "$root/etc/systemd/system/multilink-alias.mount"
+test ! -h "$root/etc/systemd/system/multilink-badalias.service"
+
+: '-------merge 20017: specifiers in the unit file-------------'
+test ! -e "$root/etc/systemd/system/some-some-link6@.socket"
+# c.f. de61a04b188f81a85cdb5c64ddb4987dcd9d30d3
+
+check_alias() {
+    : "------------------ %$1 -------------------------------------"
+    cat >"$root/etc/systemd/system/some-some-link6@.socket" <<EOF
+[Install]
+Alias=target@$1:%$1.socket
+EOF
+    SYSTEMD_LOG_LEVEL=debug "$systemctl" --root="$root" enable 'some-some-link6@.socket' || return 1
+    islink "$root/etc/systemd/system/target@$1:$2.socket" "/etc/systemd/system/some-some-link6@.socket" || return 2
+}
+
+# TODO: our architecture names are different than what uname -m returns.
+# Add something like 'systemd-detect-virt --print-architecture' and use it here.
+check_alias a "$(uname -m | tr '_' '-')" || :
+
+test ! -e "$root/etc/os-release"
+test ! -e "$root/usr/lib/os-release"
+
+( ! check_alias A '' )
+( ! check_alias B '' )
+( ! check_alias M '' )
+( ! check_alias o '' )
+( ! check_alias w '' )
+( ! check_alias W '' )
+
+cat >"$root/etc/os-release" <<EOF
+# empty
+EOF
+
+check_alias A ''
+check_alias B ''
+check_alias M ''
+check_alias o ''
+check_alias w ''
+check_alias W ''
+
+cat >"$root/etc/os-release" <<EOF
+ID='the-id'
+VERSION_ID=39a
+BUILD_ID=build-id
+VARIANT_ID=wrong
+VARIANT_ID=right
+IMAGE_ID="foobar"
+IMAGE_VERSION='1-2-3'
+EOF
+
+check_alias A '1-2-3'
+check_alias B 'build-id'
+check_alias M 'foobar'
+check_alias o 'the-id'
+check_alias w '39a'
+check_alias W 'right'
+
+check_alias b "$("$systemd_id128" boot-id)"
+
+# Specifiers not available for [Install]
+( ! check_alias C '' )
+( ! check_alias E '' )
+( ! check_alias f '' )
+( ! check_alias h '' )
+( ! check_alias I '' )
+( ! check_alias J '' )
+( ! check_alias L '' )
+( ! check_alias P '' )
+( ! check_alias s '' )
+( ! check_alias S '' )
+( ! check_alias t '' )
+( ! check_alias T '' )
+( ! check_alias V '' )
+
+check_alias g root
+check_alias G 0
+check_alias u root
+check_alias U 0
+
+check_alias i ""
+
+check_alias j 'link6'
+
+check_alias l "$(uname -n | sed 's/\..*//')"
+
+test ! -e "$root/etc/machine-id"
+( ! check_alias m '' )
+
+"$systemd_id128" new >"$root/etc/machine-id"
+check_alias m "$(cat "$root/etc/machine-id")"
+
+check_alias n 'some-some-link6@.socket'
+check_alias N 'some-some-link6@'
+
+check_alias p 'some-some-link6'
+
+uname -r | grep -q '[^a-zA-Z0-9_.\\-]' || \
+    check_alias v "$(uname -r)"
+
+# % is not legal in unit name
+( ! check_alias % '%' )
+
+# %z is not defined
+( ! check_alias z 'z' )
+
+: '-------specifiers in WantedBy-------------------------------'
+# We don't need to repeat all the tests. Let's do a basic check that specifier
+# expansion is performed.
+
+cat >"$root/etc/systemd/system/some-some-link7.socket" <<EOF
+[Install]
+WantedBy=target@%p.target
+WantedBy=another-target@.target
+RequiredBy=target2@%p.target
+RequiredBy=another-target2@.target
+EOF
+
+"$systemctl" --root="$root" enable 'some-some-link7.socket'
+islink "$root/etc/systemd/system/target@some-some-link7.target.wants/some-some-link7.socket" "/etc/systemd/system/some-some-link7.socket"
+islink "$root/etc/systemd/system/another-target@.target.wants/some-some-link7.socket" "/etc/systemd/system/some-some-link7.socket"
+islink "$root/etc/systemd/system/target2@some-some-link7.target.requires/some-some-link7.socket" "/etc/systemd/system/some-some-link7.socket"
+islink "$root/etc/systemd/system/another-target2@.target.requires/some-some-link7.socket" "/etc/systemd/system/some-some-link7.socket"
+
+"$systemctl" --root="$root" disable 'some-some-link7.socket'
+test ! -h "$root/etc/systemd/system/target@some-some-link7.target.wants/some-some-link7.socket"
+test ! -h "$root/etc/systemd/system/another-target@.target.wants/some-some-link7.socket"
+test ! -h "$root/etc/systemd/system/target2@some-some-link7.target.requires/some-some-link7.socket"
+test ! -h "$root/etc/systemd/system/another-target2@.target.requires/some-some-link7.socket"
+
+# TODO: repeat the tests above for presets
+
+: '-------SYSTEMD_OS_RELEASE relative to root-------------------'
+# check that os-release overwriting works as expected with root
+test -e "$root/etc/os-release"
+
+cat >"$root/etc/os-release2" <<EOF
+ID='the-id2'
+EOF
+
+SYSTEMD_OS_RELEASE="/etc/os-release2" check_alias o 'the-id2'