1function pip_sync --description "Make a virtualenv dependencies look like requirements.txt"
2
3    # If there isn't a virtualenv already, create one
4    if test -z "$VIRTUAL_ENV"
5        venv
6    end
7
8    # If there are no `requirements.txt` files, run my `pip compile`
9    # script to create a set of version pins.
10    if not test -e requirements.txt; and not test -e dev_requirements.txt; or contains -- --compile $argv;
11        or contains -- --upgrade $argv
12        pip_compile $argv
13
14        echo ""
15    end
16
17    # Actually run the `uv pip sync` command.
18    run_pip_sync $argv
19end