feat(cocoapods): Improve extracting the VCS info

If the VCS info in checkout options is incomplete, fallback to the VCS
info from the podspec instead of using a (partially) empty VCS info.

Signed-off-by: Frank Viernau <[email protected]>

Author: fviernau

plugins/package-managers/cocoapods/src/main/kotlin/PodDependencyHandler.kt

@@ -182,8 +182,8 @@ private fun Podspec.toVcsInfo(): VcsInfo? =
         )
     }
 
-private fun Lockfile.CheckoutOption.toVcsInfo(): VcsInfo {
-    val revision = commit ?: tag ?: branch.orEmpty()
-    val url = git.orEmpty()
+private fun Lockfile.CheckoutOption.toVcsInfo(): VcsInfo? {
+    val revision = commit ?: tag ?: branch ?: return null
+    val url = git ?: return null
     return VcsInfo(VcsType.GIT, url, revision)
 }