Preserve symlinks when archiving the build directory

Features

• Preserve symlinks when archiving the build directory

Retry on SocketError

Features

• Retry networking on SocketError

XCFrameworks and /browser/

Features

• Upload and download .xcframework carthage artifacts from the Carthage/Build/ folder
• Browse files stored on the cache via a web interface, navigate to /browser/

Infrastructure

• Replaced travis-ci with Github Actions for CI unit tests

Docker, Platform download, Retry on network errors

Features

• Download a subset of platforms, e.g. carthagerc download --platform iOS,macOS,tvOS,watchOS (#6)
• Retry on network errors. Opt out by passing in --no-retry (#8)

Infrastructure

• Add support to run the server via docker (#5)

Bugfixes

• Delete existing Carthage/Build/:platform/:framework.framework directory when unpacking an archive during download

Bugfixes

• Fix #1 Synchronize concurrent framework archives unpack
• Relax requirement of uploaded .framework to include DSYM file, there are github releases, which don't provide DSYM files

Verify Cartfile.resolved vs Carthage/Build Mismatch

• new command $ carthagerc verify to report version mismatch between existing frameworks in Carthage/Build and entries in Cartfile.resolved, see README for more details.
• upgraded sinatra to 2.0.1

Endpoint Compatibility

• carthagerc now verifies whether installed version matches the one on remote cache server to avoid endpoint compatibility issues when uploading / downloading frameworks
• Fixed race condition when multiple threads are writing to same instance variables

Safer Upload and Download

• Framework zip archive upload and download is now validated with a CRC32 checksum
• Fixed sh failure not propagating from threads back to main thread via Process.exit

Support All Carthage Origins

• Extended caching support to git and binary Carthage origins
• Include transferred total archive size in MB when downloading / uploading frameworks to cache, e.g. Downloaded and extracted 12 archives (16.5 MB), skipped 0 archives.