Unable to install the Firebase iOS SDK (7.9.0) through SPM

[cpdunphy]

Environment

• Xcode version: 12.4
• Firebase SDK version: 7.9.0
• Installation method: Swift Package Manager
• Firebase Component: Take your pick.. I could not get the option to select the desired components.

Problem

Unable to install the Firebase iOS SDK (7.9.0) through SPM. Failing with the error: Failed to resolve dependencies

This seems to be a problem isolated to 7.9.0, I am able to install 7.8.1 with no issues. I tried using different targeted iOS versions ranging from 13.0 - 14.4.

Reseting the Package Cache had no effect.

Failed to resolve dependencies because no versions of firebase-ios-sdk match the requirement 7.9.1..<8.0.0 and package firebase-ios-sdk is required using a version-based requirement and it depends on unversion package grpc-swiftpm, firebase-ios-sdk >=7.9.0 is forbidden.
And because root depends on firebase-ios-sdk 7.9.0..<8.0.0, version solving failed.

Steps to reproduce:

1. Create a new project in Xcode.
2. Add "https://github.com/firebase/firebase-ios-sdk.git" as a Package Dependency with the exact version of 7.9.0.

Thanks for taking the time! I'm glad to see Firebase SwiftUI support extending through the new FirebaseAnalyticsSwift component as well. :)

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[paulb777]

@cpdunphy Thanks for the report. I've reproduced and we're investigating ...

[paulb777]

It looks like a result of changing from version dependencies to hash dependencies in #7563. I'll work on a fix.

[cpdunphy]

Sounds great! I appreciate the quick turnaround.

[timmythompsen]

Im running into the same issue! Thanks for the quick fix everyone

[paulb777]

I just published a 7.9.1 and verified that my test example is fixed with that.

For future reference, I first tried moving the 7.9.0 tag, but Xcode used a cached version of the repo and tag that didn't get reset even after removing DerivedData.

[rrozenv]

@paulb777 I think I am having a related issue with boringssl-SwiftPM. Even after clearing derived data and resetting all package caches I am seeing a openssl/arm_arch.h file not found. I tried downgrading to 7.8.1 and it does not work there either

[cpdunphy]

@rrozenv I am running into the same issue that you described. (Downgrading to 7.8.1 does not work as well)