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  1. Jenkins
  2. JENKINS-60875

branch index scan of multibranch pipeline job fails with GitException on old CLI git (1.8.3)

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    • Icon: Bug Bug
    • Resolution: Won't Fix
    • Icon: Minor Minor
    • git-plugin
    • None
    • os: CentOS 7
      jdk: openjdk-1.8.0.191
      Jenkins version 2.210
      git client: 3.0.0

      A multibranch pipeline jobs is configured for a git repo. Scanning the branch index ends with an excpetion from git client:

      Mon Jan 27 09:21:00 CET 2020] Starting branch indexing...
 > git --version # timeout=10
using GIT_ASKPASS to set credentials User for XXX bitbucket instance
Setting http proxy: XXX.XXX.XXX.X:9090
 > git ls-remote https://bitbucket.xxx.yy/somewhat.git # timeout=10
ERROR: [Mon Jan 27 09:21:01 CET 2020] Could not update folder level actions from source <uuid ommited> 
hudson.plugins.git.GitException: Command "git ls-remote https://bitbucket.xxx.yy/somewhat.git" returned status code 128:
stdout: 
stderr: fatal: unable to access '.git/config': Permission denied

	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:2372)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1985)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1885)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1876)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.getRemoteReferences(CliGitAPIImpl.java:3228)
	at jenkins.plugins.git.AbstractGitSCMSource.retrieveActions(AbstractGitSCMSource.java:1141)
	at jenkins.scm.api.SCMSource.fetchActions(SCMSource.java:848)
	at jenkins.branch.MultiBranchProject.computeChildren(MultiBranchProject.java:598)
	at com.cloudbees.hudson.plugins.folder.computed.ComputedFolder.updateChildren(ComputedFolder.java:277)
	at com.cloudbees.hudson.plugins.folder.computed.FolderComputation.run(FolderComputation.java:164)
	at jenkins.branch.MultiBranchProject$BranchIndexing.run(MultiBranchProject.java:1032)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:428)
[Mon Jan 27 09:21:01 CET 2020] Finished branch indexing. Indexing took 91 ms

      It seems, that git client plugin tries to run the git ls-remote command somewhere, where the jenkins instance does not have write access to.

      By looking into the code, I saw that

      org.jenkinsci.plugins.gitclient.CliGitAPIImpl.getRemoteReferences

      does not define a workdir for the git command call and so the process default workdir is chosen.

      The pwd of the java vm running jenkins is /

      That would explain the problem.

      Idea: Use java.io.tmpdir to get a good workdir, if nothing else fits.

            Unassigned Unassigned
            gerrietr Gerriet Reents
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              Created:
              Updated:
              Resolved: