r2020: * dh_link: Skip self-links. Closes: #438572

1 files changed, 5 insertions, 1 deletions

diff --git a/t/dh_link b/t/dh_link
index daeb209b..c6be35be 100755
--- a/t/dh_link
+++ b/t/dh_link
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 use Test;
-plan(tests => 12);
+plan(tests => 13);
 
 # It used to not make absolute links in this situation, and it should.
 # #37774
@@ -34,6 +34,10 @@ ok(readlink("debian/debhelper/usr/lib/geant4/c"), "../..");
 system("./dh_link","/","usr/lib/geant4/d");
 ok(readlink("debian/debhelper/usr/lib/geant4/d"), "/");
 
+# Link to self.
+system("./dh_link usr/lib/foo usr/lib/foo 2>/dev/null");
+ok(! -l "debian/debhelper/usr/lib/foo");
+
 # Make sure the link conversion didn't change any of the previously made
 # links.
 ok(readlink("debian/debhelper/usr/lib/bar"), "/etc/foo");