Add namespace support to dumb-clone

This requires namespacing the HEAD symbolic ref
and the list of refs.

Sending HEAD required some tweaking,
since the file itself refers to a namespaced ref,
but we want to provide the ref with its namespace stripped off.

Signed-off-by: Richard Maw <richard.maw@gmail.com>

diff --git a/ui-clone.c b/ui-clone.c
index 5f6606acc76698e15d4f969df4c048a281f25106..c610ed20e1674bd80e058c6850f22057fdec0eeb 100644 (file)
--- a/ui-clone.c
+++ b/ui-clone.c
@@ -86,6 +86,9 @@ void cgit_clone_info(void)
        ctx.page.filename = "info/refs";
        cgit_print_http_headers();
        for_each_ref(print_ref_info, NULL);
+       /* NOTE: we pass an empty prefix because we want to enumerate everything
+          not just all refs under $namespace/refs/ */
+       cgit_for_each_namespaced_ref_in("", print_ref_info, NULL);
 }
 
 void cgit_clone_objects(void)
@@ -105,5 +108,23 @@ void cgit_clone_objects(void)
 
 void cgit_clone_head(void)
 {
-       send_file(git_path("%s", "HEAD"));
+       if (get_git_namespace()) {
+               unsigned char unused[20];
+               char *namespaced_head = NULL;
+               const char *ref;
+               namespaced_head = mkpathdup("%sHEAD", get_git_namespace());
+               /* NOTE: RESOLVE_REF_NO_RECURSE is required to prevent it resolving HEAD
+                  into a ref outside of the namespace. */
+               ref = resolve_ref_unsafe(namespaced_head, RESOLVE_REF_NO_RECURSE, unused, NULL);
+               if (!ref) {
+                       cgit_print_error_page(404, "Not found", "Not found");
+                       free(namespaced_head);
+                       return;
+               }
+               cgit_print_http_headers();
+               htmlf("ref: %s\n", strip_namespace(ref));
+               free(namespaced_head);
+       } else {
+               send_file(git_path("%s", "HEAD"));
+       }
 }