Life as a Git repository 2026-06-21model: gpt-image-2 Life as a Git repository Life as a Git repository Object model and content identity Working tree, index, and commit construction Refs, HEAD, reflogs, and revision language Branching, merging, and conflict logic Rebases, cherry-picks, and history rewriting Remotes, transport, and synchronization Collaboration workflows and release motion Maintenance, recovery, and advanced repository shapes