Honor the NO_COLOR environment variable.

scripts/run_docker_compare.bash

@@ -7,6 +7,8 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 : ${SHELL:="NO"} # or YES to launch a shell instead of running the test
 : ${TRACE:="NO"} # or YES to send traces to jaeger
 : ${BACKTRACE:="NO"} # or YES to print a rust backtrace when panicking
+: ${NO_COLOR:=""} # Set to anything to disable color output
+
 
 cd "$DIR/../"
 REALPATH=$(command -v uu-realpath || command -v realpath)
@@ -25,6 +27,10 @@ function launch_container {
     local additional_flags=()
     local additional_args=()
 
+    if [ "$NO_COLOR" != "" ]; then
+        additional_flags+=(--env "NO_COLOR=$NO_COLOR")
+    fi
+
     if [ "$SHELL" != "YES" ]; then
         additional_args+=(cargo run)
     else