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kevinveenbirkenbachandClaude Opus 5.5
a643871997
When the tree check finds differing entries, pack exactly the differing files into one tar archive in source walk order, transfer it once into the remote tmpdir and let the new copy_batch module write each file through atomic_move with the copy module's directory, mode and unsafe_writes semantics. Mode-only drift and leaf directories settle in the same call; unchanged files are not sent. Every shape the regular copy treats differently makes the module refuse before it writes: a symlink, directory or other non-regular entry at a destination, a missing path below a non-directory or a symlink loop, and two source paths reaching one remote entry. The regular copy then runs. Check mode, diff mode, unprivileged become, a dest holding $ and an archive above 16 MiB keep the regular copy. A write failure fails the task and names the file. Executed with ansible-playbook -c local, pipelining on and off: the trees this action leaves equal the builtin copy's, including the symlink fallback; a 6-file changed tree took 2 module calls and 1 transfer instead of 14 and 4. Unit: a flat 15-file tree with every file changed drops from 31 module calls and 15 transfers to 2 and 1. Two dialectic rounds with three independent skeptics; every hole they found is fixed and tested. A third independent review compared end state, changed, check and diff mode against the builtin copy in a real playbook run and found them equal; one deliberate difference remains: a write failing partway reports changed=true with the files already written, where the builtin copy reports changed=false. | 🎯 Fix | 💥 Break | 🌱 Efficiency | ⚡ Speed | 🛡️ Security | 🏆 Score | Gate | | --- | --- | --- | --- | --- | --- | --- | | 90 % | 2 % | 100 % | 15 % (estimated from round trips) | ~100 % | 100 | ⏳ score passes, gate.py not run | Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>