debian/changelog

+strip-nondeterminism (1.1.2-1) unstable; urgency=medium
+
+  * Call file(1) with the "--" argument placeholder to fix normalisation of
+    files starting with a hyphen.
+    (Closes: reproducible-builds/strip-nondeterminism#6, #924407)
+
+ -- Chris Lamb <lamby@debian.org>  Tue, 12 Mar 2019 17:47:40 +0000
+
 strip-nondeterminism (1.1.1-1) unstable; urgency=medium
 
   * dh_strip_nondeterminism: Deduplicate hardlinks via stat(2) to avoid issues

lib/File/StripNondeterminism.pm

@@ -25,7 +25,7 @@ use POSIX qw(tzset);
 
 our($VERSION, $canonical_time, $clamp_time);
 
-$VERSION = '1.1.1'; # <https://semver.org/>
+$VERSION = '1.1.2'; # <https://semver.org/>
 
 sub init() {
 	$ENV{'TZ'} = 'UTC';
@@ -35,7 +35,7 @@ sub init() {
 sub _get_file_type($) {
 	my $file=shift;
 	open(FILE, '-|') # handle all filenames safely
-	  || exec('file', $file)
+	  || exec('file', '--', $file)
 	  || die "can't exec file: $!";
 	my $type=<FILE>;
 	close FILE;