Set up a Git repository in /tmp/test using only plumbing commands (no git add or git commit).

Set up a Git repository in /tmp/test using only plumbing commands (no git add or git commit).: a task in rts-1k-rootless-apptainer: RTS-1K: offline rootless Apptainer release (Harbor dataset). What the agent is asked, how it is graded, what it runs in, and its files.