feat: Adds generate-config as json file.

Sources/CliClient/Helpers.swift

@@ -5,7 +5,7 @@ import ShellClient
 @_spi(Internal)
 public func findConfigurationFiles(
   env: [String: String] = ProcessInfo.processInfo.environment
-) throws -> [URL] {
+) throws -> URL {
   @Dependency(\.logger) var logger
   @Dependency(\.fileClient) var fileClient
 
@@ -13,50 +13,47 @@ public func findConfigurationFiles(
   logger.trace("Env: \(env)")
 
   let homeDir = fileClient.homeDir()
-  var url = homeDir.appending(path: ".hparc")
-
-  if fileClient.isReadable(url) {
-    logger.debug("Found configuration in home directory")
-    return [url]
-  }
 
+  // Check for environment variable pointing to a directory that the
+  // the configuration lives.
   if let configHome = env["HPA_CONFIG_HOME"] {
-    url = .init(filePath: configHome)
+    let url = URL(filePath: configHome).appending(path: "config")
 
-    if fileClient.isDirectory(url) {
-      logger.debug("Found configuration directory from hpa config home env var.")
-      return try fileClient.contentsOfDirectory(url)
-    }
     if fileClient.isReadable(url) {
       logger.debug("Found configuration from hpa config home env var.")
-      return [url]
+      return url
     }
   }
 
+  // Check home directory for a `.hparc` file.
+  let url = homeDir.appending(path: ".hparc")
+  if fileClient.isReadable(url) {
+    logger.debug("Found configuration in home directory")
+    return url
+  }
+
+  // Check for environment variable pointing to a directory that the
+  // the configuration lives.
   if let pwd = env["PWD"] {
-    url = .init(filePath: "\(pwd)").appending(path: ".hparc")
+    let url = URL(filePath: "\(pwd)").appending(path: ".hparc")
     if fileClient.isReadable(url) {
       logger.debug("Found configuration in current working directory.")
-      return [url]
+      return url
     }
   }
 
+  // Check in xdg config home, under an hpa-playbook directory.
   if let xdgConfigHome = env["XDG_CONFIG_HOME"] {
     logger.debug("XDG Config Home: \(xdgConfigHome)")
 
-    url = .init(filePath: "\(xdgConfigHome)")
+    let url = URL(filePath: "\(xdgConfigHome)")
       .appending(path: "hpa-playbook")
+      .appending(path: "config")
 
     logger.debug("XDG Config url: \(url.absoluteString)")
 
-    if fileClient.isDirectory(url) {
-      logger.debug("Found configuration in xdg config home.")
-      return try fileClient.contentsOfDirectory(url)
-    }
-
     if fileClient.isReadable(url) {
-      logger.debug("Not directory, but readable.")
-      return [url]
+      return url
     }
   }