Fix content app directory listing links with colons in base_path

CHANGES/6955.bugfix

@@ -0,0 +1 @@
+Fixed content app directory listing generating broken links when distribution base paths contain colons.

pulpcore/content/handler.py

@@ -570,7 +570,7 @@ def render_html(directory_list, path="", dates=None, sizes=None):
 {% else -%}
 {% set size = "" -%}
 {% endif -%}
-<a href="{{ name|e }}">{{ name|e }}</a>{% for number in range(100 - name|e|length) %} """
+<a href="./{{ name|e }}">{{ name|e }}</a>{% for number in range(100 - name|e|length) %} """
             """{% endfor %}{{ date }}  {{ size }}
 {% endfor -%}
 </pre><hr></body>

pulpcore/tests/unit/content/test_handler.py

@@ -574,6 +574,18 @@ async def test_app_status_fixture_is_reusable(app_status, repeat):
     assert app_status
 
 
+def test_render_html_colon_in_name():
+    """Links with colons in the name should use './' prefix to avoid being treated as a scheme."""
+    html = Handler.render_html(["copr-pull-requests:pr:3825/"])
+    assert '<a href="./copr-pull-requests:pr:3825/">copr-pull-requests:pr:3825/</a>' in html
+
+
+def test_render_html_normal_name():
+    """Normal directory names should also get the './' prefix."""
+    html = Handler.render_html(["simple-dir/"])
+    assert '<a href="./simple-dir/">simple-dir/</a>' in html
+
+
 @pytest.mark.asyncio
 @pytest.mark.django_db
 async def test_async_pull_through_add(ca1, monkeypatch, app_status):