ostree-rev-parse - Man Page

ostree rev-parse {REV} {PATH}

--single,  -S

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

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

$ ostree rev-parse my-branch

        ce19c41036cc45e49b0cecf6b157523c2105c4de1ce30101def1f759daafcc3e

ostree(1).