dh_systemd_{enable,start}: don’t treat symlinks as units

For the rare case where a unit is not a plain file, but a symlink to
some other file (I can’t imagine a legitimate use for that), explicitly
pass the unit’s name as argument for a quick workaround and write a
bugreport.

2 files changed, 6 insertions, 1 deletions

diff --git a/script/dh_systemd_enable b/script/dh_systemd_enable
index ea61301..8d21c04 100755
--- a/script/dh_systemd_enable
+++ b/script/dh_systemd_enable
@@ -159,6 +159,10 @@ foreach my $package (@{$dh{DOPACKAGES}}) {
 		wanted => sub {
 			my $name = $File::Find::name;
 			return unless -f $name;
+			# Skip symbolic links, their only legitimate use is for
+			# adding an alias, e.g. linking smartmontools.service
+			# -> smartd.service.
+			return if -l $name;
 			return unless $name =~ m,^$tmpdir/lib/systemd/system/[^/]+$,;
 			push @installed_units, $name;
 		},
diff --git a/script/dh_systemd_start b/script/dh_systemd_start
index a5e6df0..bd02d92 100755
--- a/script/dh_systemd_start
+++ b/script/dh_systemd_start
@@ -116,11 +116,12 @@ foreach my $package (@{$dh{DOPACKAGES}}) {
 			my $name = $File::Find::name;
 			return unless -f;
 			return unless $name =~ m,^$tmpdir/lib/systemd/system/[^/]+$,;
-			push @installed_units, $name;
 			if (-l) {
 				my $target = abs_path(readlink());
 				$target =~ s,^$oldcwd/,,g;
 				$aliases{$target} = [ $_ ];
+			} else {
+				push @installed_units, $name;
 			}
 		},
 	}, $tmpdir);