units: add explicit dependency on display-manager.service to graphical.target

This replaces the symlink based dependency by an explicit one in the
unit file so that we avoid the dangling symlink when no display manager
is installed.

Makefile.am

@@ -3389,9 +3389,6 @@ if TARGET_FEDORA
 		rm -f display-manager.service single.service && \
 		$(LN_S) prefdm.service display-manager.service && \
 		$(LN_S) rescue.service single.service )
-	( cd $(DESTDIR)$(systemunitdir)/graphical.target.wants && \
-		rm -f display-manager.service && \
-		$(LN_S) $(systemunitdir)/display-manager.service display-manager.service )
 endif
 
 if TARGET_MANDRIVA
@@ -3400,9 +3397,6 @@ if TARGET_MANDRIVA
 		$(LN_S) prefdm.service display-manager.service && \
 		$(LN_S) prefdm.service dm.service && \
 		$(LN_S) rescue.service single.service )
-	( cd $(DESTDIR)$(systemunitdir)/graphical.target.wants && \
-		rm -f display-manager.service && \
-		$(LN_S) $(systemunitdir)/display-manager.service display-manager.service )
 endif
 
 if TARGET_DEBIAN_OR_UBUNTU
@@ -3422,9 +3416,6 @@ if TARGET_MAGEIA
 		rm -f display-manager.service && \
 		$(LN_S) prefdm.service display-manager.service && \
 		$(LN_S) prefdm.service dm.service )
-	( cd $(DESTDIR)$(systemunitdir)/graphical.target.wants && \
-		rm -f display-manager.service && \
-		$(LN_S) $(systemunitdir)/display-manager.service display-manager.service )
 endif
 
 install-exec-hook: $(INSTALL_EXEC_HOOKS)

TODO

@@ -25,6 +25,8 @@ Bugfixes:
 
 Features:
 
+* systemctl list-unit-files appears to be broken for symlinked units in /usr/lib
+
 * maybe allow services with ExecStop= set, but no ExecStart=?
 
 * efi: implement /forcefsck as uefi variables thus not requiring file system altering to trigger a file system check
@@ -66,8 +68,6 @@ Features:
 
 * readahead: when bumping /sys readahead variable save mtime and compare later to detect changes
 
-* Document boot options such as forcefsck
-
 * (attempt to) make Debianites happy:
         - implement .d/ auto includes for unit files
         - add syntax to reset ExecStart= lists (and similar)
@@ -165,8 +165,6 @@ Features:
 
 * support chrony in addition to ntpd in timedated
 
-* document crypttab(5)
-
 * There's currently no way to cancel fsck (used to be possible via C-c or c on the console)
 
 * journal: sanely deal with entries which are larger than the individual file size, but where the componets would fit
@@ -310,7 +308,6 @@ Features:
   - resource control in systemd
   - inhibiting
   - testing with Harald's awesome test kit
-  - the Documentation=
 
 * allow port=0 in .socket units
 

man/bootup.xml

@@ -147,18 +147,18 @@
                                                v
                                          basic.target
                                                |
-                             _________________/|                                 emergency.service
+            __________________________________/|                                 emergency.service
-                            /                  |                                         |
+           /                |                  |                                         |
-                            |                  |                                         v
+           |                |                  |                                         v
-                            v                  v                                 <emphasis>emergency.target</emphasis>
+           v                v                  v                                 <emphasis>emergency.target</emphasis>
-                     (various system    (various system
+       display-      (various system    (various system
-                        services           services)
+   manager.service       services           services)
-                      required for             |
+           |           required for            |
-                     graphical UIs)            v
+           |          graphical UIs)           v
-                            |           <emphasis>multi-user.target</emphasis>
+           |                |           <emphasis>multi-user.target</emphasis>
-                            |                  |
+           |                |                  |
-                            | _________________/
+           \_______________ | _________________/
-                            |/
+                           \|/
                             v
                     <emphasis>graphical.target</emphasis></programlisting>
 

units/graphical.target

@@ -11,6 +11,7 @@ Documentation=man:systemd.special(7)
 Requires=multi-user.target
 After=multi-user.target
 Conflicts=rescue.target
+Wants=display-manager.service
 AllowIsolate=yes
 
 [Install]