cargo/ops/
cargo_pkgid.rs

1use crate::core::{PackageIdSpec, PackageIdSpecQuery, Workspace};
2use crate::ops;
3use crate::util::CargoResult;
4
5pub fn pkgid(ws: &Workspace<'_>, spec: Option<&str>) -> CargoResult<PackageIdSpec> {
6    let Some(resolve) = ops::load_pkg_lockfile(ws)? else {
7        anyhow::bail!("a Cargo.lock must exist for this command")
8    };
9
10    let pkgid = match spec {
11        Some(spec) => PackageIdSpec::query_str(spec, resolve.iter())?,
12        None => ws.current()?.package_id(),
13    };
14    Ok(pkgid.to_spec())
15}