pactest: conflict between files having same effective path

Note failure to detect a conflict between files having the same
effective path across packages due to a directory symlink.

Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>

test/pacman/tests/fileconflict016.py

@@ -0,0 +1,23 @@
+self.description = "file conflict with same effective path across packages (directory symlink)"
+
+lp1 = pmpkg("filesystem", "1.0-1")
+lp1.files = ["usr/",
+             "usr/lib/",
+             "lib -> usr/lib/"]
+self.addpkg2db("local", lp1)
+
+p1 = pmpkg("pkg1")
+p1.files = ["lib/foo"]
+self.addpkg2db("sync", p1)
+
+p2 = pmpkg("pkg2")
+p2.files = ["usr/lib/foo"]
+self.addpkg2db("sync", p2)
+
+self.args = "-S pkg1 pkg2"
+
+self.addrule("PACMAN_RETCODE=1")
+self.addrule("!PKG_EXIST=pkg1")
+self.addrule("!PKG_EXIST=pkg2")
+
+self.expectfailure = True