function to log & print output of bash commands while preserving exit codes

bash-log-wrapper.sh

#!/bin/bash

# function to wrap a command with logging that also returns
# the status code of the command

function run() {
  echo "running $@" |& tee -a out.log
  eval $@ > >(tee -a out.log) 2> >(tee -a out.log)
  return $?
}

run "echo this will log" && \
run "sh -c 'exit 1'" && \
run "echo last command non zero exit code so this will not log'";

run "echo doing some more stuff";