Binary projects: Fall back to an xcframework when nothing else is available #3194
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The logic introduced in #3152 attempts to avoid downloading an xcframework when a user didn't ask for one. This is acceptable for GitHub Releases, where a source fallback is available, but not for xcframework-only binary projects. Projects which only advertise an XCFramework appear to succeed but download nothing when built without
--use-xcframeworks:(Notice that there's no
*** Downloading Foo binary at "x.y.z"event indicating that an actual binary was downloaded.)Fixed by causing binaryAssetFilter to behave differently for binary project URLs, and select unwanted xcframework releases as a last resort.