Bugfix/relative links

Sources/swift-doc/Supporting Types/Page.swift

@@ -48,9 +48,8 @@ func path(for symbol: Symbol, with baseURL: String) -> String {
 }
 
 func path(for identifier: CustomStringConvertible, with baseURL: String) -> String {
-    var urlComponents = URLComponents(string: baseURL)
-    urlComponents = urlComponents?.appendingPathComponent("\(identifier)")
-    guard let string = urlComponents?.string else {
+    let url = URL(string: baseURL)?.appendingPathComponent("\(identifier)")
+    guard let string = url?.absoluteString else {
         logger.critical("Unable to construct path for \(identifier) with baseURL \(baseURL)")
         fatalError()
     }
@@ -65,16 +64,3 @@ func writeFile(_ data: Data, to url: URL) throws {
     try data.write(to: url)
     try fileManager.setAttributes([.posixPermissions: 0o744], ofItemAtPath: url.path)
 }
-
-// MARK: -
-
-fileprivate extension URLComponents {
-    func appendingPathComponent(_ component: String) -> URLComponents? {
-        var urlComponents = self
-        var pathComponents = urlComponents.path.split(separator: "/").map { "\($0)" }
-        pathComponents.append(component)
-        urlComponents.path = "/" + pathComponents.joined(separator: "/")
-
-        return urlComponents
-    }
-}

action.yml

@@ -12,6 +12,10 @@ inputs:
   format:
     description: "The output format (commonmark or html)"
     default: "commonmark"
+  base-url:
+    description: "The base URL for all relative URLs generated in documents"
+    required: false
+    default: "./"
   output:
     description: "The path for generated output"
     required: true
@@ -26,6 +30,8 @@ runs:
       "${{ inputs.inputs }}",
       --format,
       "${{ inputs.format }}",
+      --base-url,
+      "${{ inputs.base-url }}",
       --module-name,
       "${{ inputs.module-name }}",
       --output,