[JENKINS-73018] Getting "script returned exit code 128"

While calling the git client from within the ssh agent's scope it is giving "script returned exit code 128" error 

stage ('Prune git tags') 

{    

 steps {      

   sshagent(['Credential_ID']) 

    {

     sh ''' 

     git tag --list | xargs git tag --delete && git fetch --tags

     '''      

     }      

  }

} 

Upon adding 

Host *.stie.com  StrictHostKeyChecking no  UserKnownHostsFile /dev/null 

Jenkins builds started passing but for GitHub

Host github.com  StrictHostKeyChecking no  UserKnownHostsFile /dev/null 

it is still failing the build.

 

For me adding a host key entry in every call is difficult. Can I add something like global host key and pass them in sshagent globally, I have already added them for internal SCM Urls for git calls. But somehow they are not being passed under the sshagent scope calls on slave node.

---
Originally reported by ojash97, imported from: Getting "script returned exit code 128"

• status: Open
  
• priority: Blocker
  
• component(s): ssh-agent-plugin
  
• resolution: Unresolved
  
• votes: 0
  
• watchers: 1
  
• imported: 20260604-211335
  

Raw content of original issue

While calling the git client from within the ssh agent's scope it is giving "script returned exit code 128" error 



stage ('Prune git tags') 

{            

 steps {              

   sshagent(['Credential_ID']) 

    {                

     sh ''' 

     git tag --list | xargs git tag --delete && git fetch --tags

     '''              

     }      

  }

} 



Upon adding 



Host *.stie.com  StrictHostKeyChecking no  UserKnownHostsFile /dev/null 



Jenkins builds started passing but for GitHub



Host github.com  StrictHostKeyChecking no  UserKnownHostsFile /dev/null 



it is still failing the build.


 


For me adding a host key entry in every call is difficult. Can I add something like global host key and pass them in sshagent globally, I have already added them for internal SCM Urls for git calls. But somehow they are not being passed under the sshagent scope calls on slave node.