message: build: fix more unbound variables and ignore lines starting with | from config.log output
diff: @@ -28,7 +28,9 @@ fi
  function cat_slower() {
  # hacky way to slow down the output of cat
  CI=${CI:-}
  - [ "$CI" == "true" ] && (cat $1 | perl -pe 'select undef,undef,undef,0.0033333333') || true
  + # the grep is to ignore lines starting with |
  + # which for config.log files are the source used to test something
  + [ "$CI" == "true" ] && (cat $1 | grep "^[^|]" | perl -pe 'select undef,undef,undef,0.0033333333') || true
  }
  # Disabled by default
  @@ -212,7 +214,10 @@ curl-config --static-libs
  curl-config --prefix
  curl-config --cflags
  +# Some vars we will need below
  +DISPLAY=${DISPLAY:-}
  PUBLISH_BINARY=${PUBLISH_BINARY:-}
  +ELECTRON_VERSION=${ELECTRON_VERSION:-}
  if [ -z "$PUBLISH_BINARY" ]; then
  PUBLISH_BINARY=false
  @@ -222,7 +227,6 @@ if [ -z "$PUBLISH_BINARY" ]; then
  fi
  fi
  -ELECTRON_VERSION=${ELECTRON_VERSION:-}
  # Configure Yarn cache
  mkdir -p ~/.cache/yarn
  