Answer a submodule path with the submodule

The tree page read the gitlink's commit as a blob, which outside the
repository is a bad object id and inside it is the commit's raw text.

1 file changed, 7 insertions, 2 deletions

diff --git a/source/ui-tree.c b/source/ui-tree.cindex 63b8984..f1b995a 100644--- a/source/ui-tree.c+++ b/source/ui-tree.c@@ -470,6 +470,11 @@ static int walk_tree(const struct object_id *oid, struct strbuf *base, 			strbuf_release(&fullpath); 			ls_head(); 			return READ_TREE_RECURSIVE;+		} else if (S_ISGITLINK(mode)) {+			cgit_print_submodule_page(fullpath.buf, oid_to_hex(oid));+			walk->state = WALK_ERROR_SHOWN;+			strbuf_release(&fullpath);+			return 0; 		} else { 			bool shown = print_object(oid, mode, fullpath.buf, pathname, walk->rev); @@ -524,6 +529,6 @@ void cgit_print_tree(const char *rev, char *path) 	} else if (walk.state == WALK_LOOKING) { 		cgit_print_error_page(404, "Not Found", "Path not found"); 	}-	// WALK_ERROR_SHOWN is left alone, since the error page print_object-	// put out is already complete.+	// WALK_ERROR_SHOWN is left alone, since the error page the walk put+	// out is already complete. }
diff --git a/source/ui-tree.c b/source/ui-tree.c
index 63b8984..f1b995a 100644
--- a/source/ui-tree.c
+++ b/source/ui-tree.c
@@ -470,6 +470,11 @@ static int walk_tree(const struct object_id *oid, struct strbuf *base,
 			strbuf_release(&fullpath);
 			ls_head();
 			return READ_TREE_RECURSIVE;
+		} else if (S_ISGITLINK(mode)) {
+			cgit_print_submodule_page(fullpath.buf, oid_to_hex(oid));
+			walk->state = WALK_ERROR_SHOWN;
+			strbuf_release(&fullpath);
+			return 0;
 		} else {
 			bool shown = print_object(oid, mode, fullpath.buf, pathname, walk->rev);
 
@@ -524,6 +529,6 @@ void cgit_print_tree(const char *rev, char *path)
 	} else if (walk.state == WALK_LOOKING) {
 		cgit_print_error_page(404, "Not Found", "Path not found");
 	}
-	// WALK_ERROR_SHOWN is left alone, since the error page print_object
-	// put out is already complete.
+	// WALK_ERROR_SHOWN is left alone, since the error page the walk put
+	// out is already complete.
 }