Обсуждение: pgsql: Treat MINGW and MSYS the same in pg_upgrade test script

Treat MINGW and MSYS the same in pg_upgrade test script

On msys2, 'uname -s' reports a string starting MSYS instead on MINGW
as happens on msys1. Treat these both the same way. This reverts
608a710195a4b in favor of a more general solution.

Backpatch to all live branches.

Branch
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REL9_5_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/33066b0142893ead9b1bd9709552a9f173ffddb3

Modified Files
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src/bin/pg_upgrade/test.sh | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)