mut repository = (pwd | path expand)
let args = ($env.CLI_ARGS? | default [])
for pair in ($args | chunks 2) {
    if ($pair | first) == "--repository" {
        $repository = ($pair | last | path expand)
    }
}
const project = (path self | path dirname | path dirname | path expand)
cd $project
cargo build -p differ --locked
^target/debug/differ --repository $repository