gh: fix msys and cygwin jobs of windows-tests workflow - #708
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MSYS2 removed its mksh package on 2026-09-28 and provides no other ksh flavor, so the pacman install step of the msys job now fails on an unknown target. Stop requesting this package. The testsuite skips ksh tests when no ksh binary is found, so no test adaptation is needed. Assisted-by: Claude:claude-fable-5-1 Signed-off-by: Xavier Delaruelle <xavier.delaruelle@cea.fr>
Since Cygwin and MSYS2 updated their libuv package to 1.53.0, the install testsuite of the cygwin and msys jobs hangs until the 6 hour job limit cancels it. This libuv version switches process spawning on Unix from fork to posix_spawn, which cmake relies on for execute_process. Only the install testsuite runs the cmake initialization script, which explains why the build testsuite still passes. Pin libuv to its previous version on both jobs until the issue is resolved upstream. Assisted-by: Claude:claude-fable-5-1 Signed-off-by: Xavier Delaruelle <xavier.delaruelle@cea.fr>
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Both jobs of the
windows-testsworkflow broke on the latest main run without any relevant change in the repository:error: target not found: mksh. MSYS2 removed its mksh package on 2026-09-28 ([remove package] mksh msys2/MSYS2-packages#6601) and provides no other ksh flavor. Dropmkshfrom the pacman package list. The testsuite already skips ksh tests when no ksh binary is found.libuv1(1.52.1 to 1.53.0) andlibexpat1changed, and MSYS2 moved to libuv 1.53.0 as well. libuv 1.53.0 switches process spawning on Unix from fork to posix_spawn (unix: use posix_spawn instead of fork libuv/libuv#3520), which cmake relies on forexecute_process. Only the install testsuite executes the cmake initialization script, which matches the build testsuite still passing. Pin libuv to 1.52.1-1 on both jobs until the issue is resolved upstream: through the package spec on cygwin, and by downgrading from the still-published MSYS2 package on msys.The words needed by the commit messages are added to the spelling dictionary.