Windows CI: fix path to Cygwin wrt. ocaml/setup-ocaml#1067#269
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tahina-pro merged 4 commits intoMar 24, 2026
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This reverts commit 5c46178.
ocaml/setup-ocaml#1067 switched to opam's --cygwin-internal-install, moving Cygwin from C:\cygwin to C:\.opam\.cygwin\root. Update all Windows workflow shell references accordingly. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
The Cygwin setup tool needs --root to target the correct installation directory. Add support for a CYGWIN_ROOT environment variable in install-cygwin-packages.sh, which passes it as --root to setup-x86_64.exe. Set CYGWIN_ROOT in the workflow steps that call this script. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Cygwin setup can fail to auto-select a mirror. Add CYGWIN_MIRROR support to install-cygwin-packages.sh (passed as --only-site --site to the setup tool) and set it to mirrors.kernel.org in the workflows. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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ocaml/setup-ocaml#1067 changed the path to Cygwin, thus breaking the Windows CI. This PR fixes those paths.
Fixes #268