Bash Script Run via Maven Does Not Promt for Input Properly

Question

I have a bash script in which I am cloning a total of 5 repositories from a private server. I don't want the user to enter his credentials again and again, hence I prompt for them once and then reuse them.

This is my code for credentials promt

read -p "Enter Username: " username 
echo -n "Enter Password: "
read -s password

However when this piece of code is run via maven, it does not display the prompt messages such as Enter Username and does not even accept the -s silent input flag. If run without maven, this script runs fine.

The catch is that if I use the read command without any flags or string prompts, it runs fine, which makes me think that maven might not be either recognizing or accepting these flags.

Has anyone else come across this? I have tried using the interactive mode in maven as well, same results.

Use either a git credentials manager or ssh. They solve the same problems in a standard way — Mark Adelsberger, Nov 22 '18 at 14:40
Possible duplicate of [Is there a way to skip password typing when using https:// on GitHub?](https://stackoverflow.com/questions/5343068/is-there-a-way-to-skip-password-typing-when-using-https-on-github) — phd, Nov 22 '18 at 20:44
Can't use SSH as there are multiple users who clone these repositories as well. Can't keep adding new keys all the time. — m_nazir, Nov 23 '18 at 04:27
That's only for your own access. Each user has it's own key. ? — khmarbaise, Nov 23 '18 at 12:35

score 1 · Answer 1 · answered Nov 23 '18 at 00:02

1

Just don't use any interactivity inside build tools. All values should be injected, provided into the builds. It's not a build tool job to prompt user for them. In Maven you can use Java System properties or environment variables:

pom.xml

<user>${sysprop.user}</user>
<password>${env.PASSWORD}</user>

bash

export PASSWORD=s3cr3t mvn task -Dsysprop.user=root

Answering your question directly: make sure that the place where you run bash script (external process) links input and output stream of that external process and the Maven's JVM process. More info here and here

answered Nov 23 '18 at 00:02

madhead

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I read your links, so it is possible that the behavior of bash might vary depending on whose calling it? – m_nazir Nov 23 '18 at 05:05
It's not bash's fault. – madhead Nov 23 '18 at 06:21
yeah you're right, I ended up taking the script out of the maven anyway – m_nazir Nov 23 '18 at 10:11

Bash Script Run via Maven Does Not Promt for Input Properly

1 Answers1