[jira] [Created] (MESOS-4125) Use 'git rev-parse --git-dir' in bootstrap instead of simply '.git'

["Kevin Klues (JIRA)" <ji...@apache.org>]

Kevin Klues created MESOS-4125:
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             Summary: Use 'git rev-parse --git-dir' in bootstrap instead of simply '.git'
                 Key: MESOS-4125
                 URL: https://issues.apache.org/jira/browse/MESOS-4125
             Project: Mesos
          Issue Type: Improvement
          Components: build
         Environment: All systems
            Reporter: Kevin Klues
            Assignee: Kevin Klues
            Priority: Minor


This issue relates to the 'bootstrap' file in the top level directory of the mesos tree.

When building from git, bootstrap will (among other things) install pre-commit and post-rewirte hooks into the .git/hooks directory of the mesos tree.  However the current implementation always assumes that .git exists in the same directory as the bootstrap file.  This may not always be true.

Most notably, it is not true if the mesos tree is included as a submodule inside another project. When included as a submodule, .git is no longer a directory, but rather a file whose text contains a pointer back to the actual location of the .git folder inside the containing project.  To get at this directory, we need to run 'git rev-parse --git-dir' instead of simply assuming that the local .git is the proper directory.



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