René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Support subdomain isolation for GHES hosts","articleBody":"Right now we take a GHES hostname and use same domain, but actually subdomain isolation can be optionally enabled, and then for example `https://{domain}/raw` becomes `https://raw.{domain}`\n\n```golang\nfunc newGHESHost(hostname string) (apiHost, error) {\n\tu, err := url.Parse(hostname)\n\tif err != nil {\n\t\treturn apiHost{}, fmt.Errorf(\"failed to parse GHES URL: %w\", err)\n\t}\n\n\trestURL, err := url.Parse(fmt.Sprintf(\"%s://%s/api/v3/\", u.Scheme, u.Hostname()))\n\tif err != nil {\n\t\treturn apiHost{}, fmt.Errorf(\"failed to parse GHES REST URL: %w\", err)\n\t}\n\n\tgqlURL, err := url.Parse(fmt.Sprintf(\"%s://%s/api/graphql\", u.Scheme, u.Hostname()))\n\tif err != nil {\n\t\treturn apiHost{}, fmt.Errorf(\"failed to parse GHES GraphQL URL: %w\", err)\n\t}\n\n\tuploadURL, err := url.Parse(fmt.Sprintf(\"%s://%s/api/uploads/\", u.Scheme, u.Hostname()))\n\tif err != nil {\n\t\treturn apiHost{}, fmt.Errorf(\"failed to parse GHES Upload URL: %w\", err)\n\t}\n\trawURL, err := url.Parse(fmt.Sprintf(\"%s://%s/raw/\", u.Scheme, u.Hostname()))\n\tif err != nil {\n\t\treturn apiHost{}, fmt.Errorf(\"failed to parse GHES Raw URL: %w\", err)\n\t}\n\n\treturn apiHost{\n\t\tbaseRESTURL: restURL,\n\t\tgraphqlURL:  gqlURL,\n\t\tuploadURL:   uploadURL,\n\t\trawURL:      rawURL,\n\t}, nil\n}\n```","author":{"url":"https://github.com/SamMorrowDrums","@type":"Person","name":"SamMorrowDrums"},"datePublished":"2025-06-10T15:17:55.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/500/github-mcp-server/issues/500"}