The per-platform binary-suffix check used
f="$OUT/${b}$( [ platform = windows-latest ] && echo .exe )".
The [ ] test exits 1 when false (linux/macos), and under 'set -euo
pipefail' the failing command substitution aborts the whole step before
any check output — exit 1 right after checksums with no error message.
Replace with an if/else BIN_EXT variable set before the loops.
Verified locally: full script block (checksums -> file check -> sanity)
passes with real pg_dump/pg_restore/psql + libpq, exit 0.
adrianbonpin
0b8b11cef3