Thank you for your advice.
I tried the following script.

import groovy.transform.Field
@Field def value1 = 'initial value'

But the prompted value is "initial value" , which is the same value as 
before.

2020年11月26日木曜日 23:05:50 UTC+9 [email protected]:

> You can try with environment variables or the Field annotation as shown 
> below
>
> import groovy.transform.Field
> @Field def value1 = 'initial value'
>
>
> On Wednesday, 25 November 2020 at 19:00:24 UTC Kiyoshi Ohgishi wrote:
>
>> I want to change from scripted pipeline script to declarative pipeline 
>> script.
>> But I have one problem defaultValue of input cannot change value in case 
>> of declarative pipeline script.
>>
>> Below is the scripted pipeline script I want to change from.
>> ----
>> def value1 = 'initial value'
>> node {
>>     label 'master'
>>     stage('prediction') {
>>         value1 = sh(script: 'echo predicted value', returnStdout: 
>> true).trim()
>>     }
>> }
>> def setting
>> stage('setting') {
>>     setting = input(parameters: [string(name: 'value2', defaultValue: 
>> value1)])
>> }
>> stage('execution') {
>>     build(job: 'job', parameters: [string(name: 'value2', value: 
>> setting)])
>> }
>> ----
>> The prompted value in input step is "predicted value" as I exected.
>>
>> Below is the failing declarative pipeline script I tried.
>> ----
>> def value1 = 'initial value'
>> pipeline {
>>     agent none
>>     stages {
>>         stage('prediction') {
>>             agent {
>>                 label 'master'
>>             }
>>             steps {
>>                 script {
>>                     value1 = sh(script: 'echo predicted value', 
>> returnStdout: true).trim()
>>                 }
>>             }
>>         }
>>         stage('execution') {
>>             input {
>>                 message 'setting'
>>                 parameters {
>>                     string(name: 'value2', defaultValue: value1)
>>                 }
>>             }
>>             steps {
>>                 build(job: 'job', parameters: [string(name: 'value2', 
>> value: value2)])
>>             }
>>         }
>>     }
>> }
>> ----
>> The prompted value is "initial value" as I don't expect.
>>
>> What I want to make with a script is the following three steps.
>> 1. get "predicted value" using shell script in the git repository.
>> 2. prompt "predicted value" and decide value.
>> 3. run the job with decided value.
>>
>> How to change defaultValue of input in case of declarative pipeline 
>> script?
>>
>> Kiyoshi Ohgishi
>>
>

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