ostree-rev-parse - Output the target of a rev

       Given a REV, outputs the checksum of the latest commit of that revision.

$ostreerev-parsemy-branch

                   ce19c41036cc45e49b0cecf6b157523c2105c4de1ce30101def1f759daafcc3e

OSTree                                                                                       OSTREEREV-PARSE(1)

       ostree-rev-parse - Output the target of a rev

--single, -S
           If the repository has exactly one commit, then print it; any other case will result in an error.

ostreerev-parse  {REV} {PATH}