Re: Trying to pass a value from a shell variable to the next shell command (failed)

[JB]

Hello Edward,

This is my script at all
I think I did a mistake...


pipeline {
    agent any 
    
    stages {
        stage('Build project') { 
            steps {
                git credentialsId: '*****', url: 'https://******'
                sh 'dotnet build 
WebApplication/WebApplication1/WebApplication1.csproj'
            }
        }
    
        stage('Build image') { 
            steps {
                tagBefore = runAndReturn("git describe --candidate=1 
--tags")
                tag = runAndReturn("echo ${tagBefore} | cut -d\'-\' -f 1")
                webImageName = 
"${env.ACR_LOGINSERVER}/my-project-1499882073260/test:${tag}"
                sh "sudo docker build -t ${webImageName} -f 
WebApplication/WebApplication1/Dockerfile WebApplication/."
            }
        }
    }
}

def runAndReturn(script){
    toReturn = sh(script:script, returnStdout: true)
    toReturn = toReturn[0..-2]
    println toReturn
    toReturn
}

Thanks to all people!

Started by user demo
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup 
failed:
WorkflowScript: 14: Expected a step @ line 14, column 17.
                   tagBefore = runAndReturn("git describe --candidate=1 
--tags")
                   ^
WorkflowScript: 15: Expected a step @ line 15, column 17.
                   tag = runAndReturn("echo ${tagBefore} | cut -d\'-\' -f 
1")
                   ^
WorkflowScript: 16: Expected a step @ line 16, column 17.
                   webImageName = 
"${env.ACR_LOGINSERVER}/my-project-1499882073260/test:${tag}"
                   ^
3 errors
 at 
org.codehaus.groovy.control.ErrorCollector.failIfErrors(ErrorCollector.java:310)
 at 
org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:1085)
 (...)
 at hudson.model.ResourceController.execute(ResourceController.java:97)
 at hudson.model.Executor.run(Executor.java:405)
Finished: FAILURE



On Wednesday, May 23, 2018 at 1:11:15 PM UTC-4, Edward Bond wrote:

> Don’t use sing quotes ‘, make sure you use “, that way the string can be 
> interpolated.
>
>
> I also use a global helper that grabs the output of `sh` functions.
>
> def runAndReturn(script){
>   toReturn = sh(script:script, returnStdout: true)
>   toReturn = toReturn[0..-2]
>   println toReturn
>   toReturn
> }
>
> stage('Build image') { 
>     steps {
>         tagBefore = runAndReturn("git describe --candidate=1 --tags")
>         tag = runAndReturn("echo ${tagBefore} | cut -d\'-\' -f 1")
>         webImageName = 
> "${env.ACR_LOGINSERVER}/my-project-1499882073260/test:${tag}"
>         sh "sudo docker build -t ${webImageName} -f 
> WebApplication/WebApplication1/Dockerfile WebApplication/."
>     }
> }
>
> or something like:
>
>
>         stage('Build image') { 
>             steps {
>                 sh """
>                 export TAG=$(git describe --candidate=1 --tags)'
>                 export TAG=$(echo $TAG | cut -d\'-\' -f 1)'
>                 export 
> WEB_IMAGE_NAME=$ACR_LOGINSERVER/my-project-1499882073260/test:$TAG
>                 sudo docker build -t $WEB_IMAGE_NAME -f 
> WebApplication/WebApplication1/Dockerfile WebApplication/.
>                 """            
>             }
>         }
>
> First example would allow you to go through and get access to strings to 
> have more control over the strings. Second is an example of how you could 
> use it to stay in bash.
>
>
> On May 23, 2018, at 7:40 AM, JB <jbourque...@gmail.com <javascript:>> 
> wrote:
>
> Hello All,
>
> Anyone knows how to edit a variable from shell and recover the result 
> across each next shells.
>
> I'm trying to get the git tag version and to push the value into an env 
> variable.
> In next, I'd like to re use the value into the next cmd shell.
>
> It doesn't work!
>
> Anyone has an idea? I worked more than 2 days to trying to fix it.
>
>         stage('Build image') { 
>             steps {
>                 sh 'TAG=$(git describe --candidate=1 --tags)'
>                 sh 'TAG=$(echo $TAG | cut -d\'-\' -f 1)'
>                 sh 'WEB_IMAGE_NAME=' + env['ACR_LOGINSERVER'] + 
> '/my-project-1499882073260/test:' + env['TAG']
>         
>                 sh 'sudo docker build -t ${WEB_IMAGE_NAME} -f 
> WebApplication/WebApplication1/Dockerfile WebApplication/.'                
>             }
>         }
>
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