package_manager: fix opensuse detection

conan/tools/system/package_manager.py

@@ -40,9 +40,17 @@ def get_default_tool(self):
                            "zypper": ["opensuse", "sles"],
                            "pkg": ["freebsd"],
                            "pkgutil": ["Solaris"]}
+        # first check exact match of name
         for tool, distros in manager_mapping.items():
             if os_name in distros:
                 return tool
+        # in case we did not detect any exact match, check
+        # if the name is contained inside the returned distro name
+        # like for opensuse, that can have opensuse-version names
+        for tool, distros in manager_mapping.items():
+            for d in distros:
+                if d in os_name:
+                    return tool
 
     def get_package_name(self, package):
         # TODO: should we only add the arch if cross-building?

conans/test/integration/tools/system/package_manager_test.py

@@ -51,6 +51,11 @@ def test_msys2():
     ("fedora", "dnf"),
     ("arch", "pacman"),
     ("opensuse", "zypper"),
+    ("sles", "zypper"),
+    ("opensuse", "zypper"),
+    ("opensuse-tumbleweed", "zypper"),
+    ("opensuse-leap", "zypper"),
+    ("opensuse-next_version", "zypper"),
     ("freebsd", "pkg"),
 ])
 @pytest.mark.skipif(platform.system() != "Linux", reason="Only linux")