Talavine
A file arriving from your Mac does not tell you which code was tested. Check the file and the Git revision before using the log to judge a Windows or Mac build.
Put the details beside the log
Record the project, Git revision, operating system, test command, and time of the run. Note local code changes too. Two computers can be on the same branch and still have different files.
For Git projects, git rev-parse HEAD shows the commit and git status --short shows local changes. Read the test runner's actual result and failed tests; a copied log or a completed file transfer does not establish a pass.
Check the file that arrived
Start with a throwaway file if you have not used the transfer path before. On Windows, get its SHA-256 with:
Get-FileHash -Algorithm SHA256 -LiteralPath 'C:\path\to\example.txt'
On the Mac, check the exact received path:
shasum -a 256 '/path/to/example.txt'
Matching hashes show the two files have the same contents. Open the received file too. If a destination already contains a file with that name, check the actual completed transfer path rather than assuming the old file was replaced.
Send the result back
Create the return folder first. Send the file back, then check the returned contents against the original. Keep each computer's Git checkout and SDKs on that computer. Transfer the patch or output you need, rather than a whole folder of generated caches.
Using SwarmSpan
SwarmSpan copies files and clipboard items between paired computers on the same local network. Both computers must be awake, reachable, and running the app. It also keeps searchable clipboard history.
On October 8, a 145-byte sample file completed a Windows-to-Mac-to-Windows round trip through the installed SwarmSpan tools. The original and returned SHA-256 matched. That checked a file transfer on an existing pair; it did not run tests or demonstrate a coding-agent job.
The Windows license is $4.99 once for your own Windows PCs. The Apple Silicon Mac App Store edition is a separate $4.99 purchase. No subscription; local store prices and tax may differ.
Set up SwarmSpan or try the first file exercise.
I make SwarmSpan. This guide was prepared with AI assistance.
Questions? Email support@swarmmarshal.com or ask on the community board.