Composer internally calls the paths url so let's follow

src/Composer/PathRepositoryDefinition.php

@@ -7,12 +7,12 @@
 
 class PathRepositoryDefinition implements RepositoryDefinition
 {
-    public readonly string $path;
+    public readonly string $url;
 
-    public function __construct(string|Stringable $path, public readonly stdClass $repositoryOptions = new stdClass)
+    public function __construct(string|Stringable $url, public readonly stdClass $repositoryOptions = new stdClass)
     {
         // Cast to string once rather than everywhere.
-        $this->path = (string) $path;
+        $this->url = (string) $url;
     }
 
     public function getType(): string
@@ -22,15 +22,15 @@ public function getType(): string
 
     public function getUrl(): string
     {
-        return $this->path;
+        return $this->url;
     }
 
     public function dumpStdClass()
     {
         return (object) [
             'type' => 'path',
             'options' => $this->repositoryOptions,
-            'url' => $this->path
+            'url' => $this->url
         ];
     }
 }

src/Composer/RepositoryDefinitionFactory.php

@@ -10,7 +10,7 @@ class RepositoryDefinitionFactory
     public static function create(stdClass $input): RepositoryDefinition
     {
         if ($input->type == 'path') {
-            return new PathRepositoryDefinition($input->path, $input->options ?? new stdClass);
+            return new PathRepositoryDefinition($input->url, $input->options ?? new stdClass);
         }
     }
 }

src/Runner/InstallRunner.php

@@ -7,6 +7,7 @@
 use Horde\Components\Config;
 use Horde\Components\RuntimeContext\GitCheckoutDirectory;
 use Horde\Components\Output;
+use Horde\Components\Wrapper\HordeYml;
 use stdClass;
 
 class InstallRunner
@@ -58,8 +59,12 @@ public function run(Config $config)
         // Inject all horde apps as local sources.
         $composerJson = $this->installationDirectory->getComposerJson();
         foreach ($this->gitCheckoutDirectory->getHordeYmlDirs() as $hordeYmlDir) {
+            // Load HordeYml to get the ComponentVersion
+            $hordeYml = new HordeYml($hordeYmlDir);
+
             $composerJson->getRepositoryList()->ensurePresent(new PathRepositoryDefinition($hordeYmlDir));
         }
         $composerJson->writeFile($this->installationDirectory->getComposerJsonPath());
+        //
     }
 }