set unstable

update:
    #!/usr/bin/env bash

    if ! git diff --cached --quiet; then \
        echo "Error: there are pre-existing staged changes" && exit 1; \
    fi

    rsync -rv --delete $HOME/brain/brain/public/ content/
    git add content/

    if ! git diff --cached --quiet; then \
        export TIMESTAMP=$(date -u +"%Y-W%V-%u %H:%M:%S"); \
        git commit -m "checkpoint: ${TIMESTAMP}"; \
    fi