how to set PATH in Build Wrapper and make use of it in Build

[Nikhil Bhoski]

Hi,

My Jenkins plugin has one build Wrapper and one builder class . I want to set the PATH variable in setup() method of BuildWrapper and use it on command line directly in Builder class using ProcessLauncher. I am facing the following issues 

1) I am setting the PATH using context object of BuildWrapper 

 @Override

    public void setUp(Context context, Run<?, ?> build, FilePath workspace, Launcher launcher,

            TaskListener listener, EnvVars initialEnvironment)

            throws IOException, InterruptedException {

        CommandConstructUtil utils = new CommandConstructUtil(launcher, getLocalMatlab());

        // Set Environment variable

        setEnv(initialEnvironment);

        String nodeSpecificFileSep = utils.getNodeSpecificFileSeperator();

        context.env("mytool", getLocalTool());

        // Add custom tools bin folder to path to access it directly through command line

        context.env("PATH+mytool", getLocalTool() + nodeSpecificFileSep + "bin");

    }

2) In Builder class i am trying to launch it like below 

matlabLauncher = launcher.launch().pwd(workspace).envs(envVars).cmds("mytool --runCommands")

With above its not able to launch the tool. However i could do that using cmds("/bash/bin -c mytool --runCommands")

Is there any way that i need not prefix the /bin/bash or cmd.exe and access the tool directly? currently, above approach is not working please help .

Regards 

Nikhil 

[Gavin Mogan]

Have you tried cmds("/usr/bin/printenv") or something to make sure your envs are being set?

the .envs(envVars) is suspicious to me. Does it have all the values you want it to have? What if you just append to PATH directly instead of using the pipeline + syntax?

(I don't know, i'm just throwing out ideas)

Gavin

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[Nikhil Bhoski]

Yes ,

It shows the path updated in PATH variable however when i launch the process it does not identify the too and it does not invoke it . 

not sure what am i missing here 

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