dumb-init/tests/test-exit-status

#!/bin/bash -eux
dumb_init="$1"

# dumb-init should exit with the same exit status as the process it launches.
for i in $(seq 0 255); do
    status=$($dumb_init sh -c "exit $i"; echo $?)

    if [ "$status" -ne "$i" ]; then
        echo "Error: Expected exit status $i, got $status."
        exit 1
    fi
done