have you tried the Cygwin snapshot as suggested in:
https://sourceware.org/pipermail/cygwin/2021-January/247418.html
The snapshot is hard to use in headless CI systems because the provided
archive contains a cygwin dll, so it cannot be patched from within
cygwin and my experience with doing such things in PowerShell is limited.
Instead I am now restoring the old version using:
wget
http://mirrors.kernel.org/sourceware/cygwin/x86/release/tar/tar-1.32-2.tar.xz
-O /tmp/tar-1.32-2.tar.xz
tar xvf /tmp/tar-1.32-2.tar.xz -C /
which can be run from the cygwin console to restore the previous tar
after cygwin setup.
I will try the snapshot later locally.
Best regards,
Michael
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