cosmopolitan/test/libc/release/metal.sh

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#!/bin/sh
# smoke test booting on bare metal and printing data to serial uart
CMD="o/$MODE/tool/build/blinkenlights.com.dbg -r o/$MODE/examples/hello.com"
if OUTPUT="$($CMD)"; then
if [ x"$OUTPUT" = x"hello world" ]; then
touch o/$MODE/test/libc/release/metal.ok
exit 0
else
printf '%s\n' "error: $CMD printed wrong output: $OUTPUT" >&2
exit 1
fi
else
RC=$?
printf '%s\n' "error: $CMD failed: $RC" >&2
exit $RC
fi