dh_missing: Make --list-missing the default in c12

Closes: nthykier/debhelper#2
Closes: Debian#650129
Closes: Debian#858834
Signed-off-by: Niels Thykier <niels@thykier.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/dh_missing b/dh_missing
index 5d5c0f9b..4dd9043d 100755
--- a/dh_missing
+++ b/dh_missing
@@ -60,6 +60,8 @@ Warn on stderr about source files not installed to somewhere.
 Note that files that are excluded from being moved via the B<-X> option are not
 warned about.
 
+This is the default in compat 12 and later.
+
 =item B<--fail-missing>
 
 This option is like B<--list-missing>, except if a file was missed, it will
@@ -80,6 +82,9 @@ my (@installed, %helpers);
 my $srcdir = '.';
 $srcdir = $dh{SOURCEDIR} if defined $dh{SOURCEDIR};
 
+# --list-missing is the default in compat 12+
+$dh{LIST_MISSING} = 1 if !$dh{FAIL_MISSING} && !compat(11);
+
 if (!$dh{LIST_MISSING} && !$dh{FAIL_MISSING}) {
 	exit 0;
 }