Newline produces wild results

Using a newline within an set of ansi escape codes horribly breaks output.

Test environment

• Jenkins Version: 2.162

• AnsiColor Version: 0.6.0 (but even wilder results on 0.6.1)

• Hostsystem: CentOS 7 Slaves run jnlp slave

Expected behavior

Color formatted lines and only formatted lines.

Like so:

Actual behavior

Everything is colored after a newline. Exit escape sequence is never honored.

Steps to reproduce the behavior

Use a newline in a set of ansi escape sequences.

#!/usr/bin/env bash
green() { echo -e "\033[0;32m${1}\033[0m"; }

green "some number of stuff"
echo "i am the next string"

totalTests=10
green "\n$(basename $0) ran successfuly, tests were run."

echo -e "Hey"
echo -e "There"

In a shell running bash 4+, this colors correctly, but with ansicolor, everything below the newline is green and irreversibly colored.

Version 0.6.1 is affected even worse than this, and produces some very strange results.

^ from version 0.6.1

We recently upgraded from version 0.5.7 and did not have this issue.

[DarrienG]

Thanks - we’ll give it a shot at our next maintenance cycle and report back.

[DarrienG]

Apologies, I don’t work where I used to work at the same place anymore. I think some of my old coworkers may know.

@yhrenlee do you know if the Jenkins folks are still having trouble with ansicolor and escape sequences? I seem to remember this was fixed.