workspacer_cli/
meta.rs

1// ---------------- [ File: workspacer-cli/src/meta.rs ]
2crate::ix!();
3
4/// 4) In your CLI code, define the `MetaSubcommand` with two variants:
5#[derive(Debug, StructOpt)]
6pub enum MetaSubcommand {
7    Crate {
8        #[structopt(long = "crate")]
9        crate_name: PathBuf,
10    },
11    Workspace {
12        #[structopt(long = "path")]
13        path: PathBuf,
14    },
15}
16
17impl MetaSubcommand {
18    pub async fn run(&self) -> Result<(), WorkspaceError> {
19        match self {
20            MetaSubcommand::Crate { crate_name } => {
21                // a) Use `run_with_crate` or do it inline. 
22                //    We'll demonstrate the `run_with_crate` approach:
23                run_with_crate(crate_name.clone(), false, move |handle| {
24                    Box::pin(async move {
25                        // b) Now call your trait:
26                        let metadata = handle.get_cargo_metadata().await.map_err(|crate_err| {
27                            error!("Failed to retrieve metadata for crate='{}': {crate_err:?}", handle.name());
28                            WorkspaceError::CrateError(crate_err)
29                        })?;
30
31                        // c) Print or process it:
32                        println!("Cargo metadata for crate='{}':\n{:#?}", handle.name(), metadata);
33                        Ok(())
34                    })
35                })
36                .await
37            }
38
39            MetaSubcommand::Workspace { path } => {
40                // a) Use `run_with_workspace`
41                run_with_workspace(Some(path.clone()), false, move |ws| {
42                    Box::pin(async move {
43                        // b) call the trait
44                        let metadata = ws.get_cargo_metadata().await.map_err(|we| {
45                            error!("Failed to retrieve metadata for workspace: {we:?}");
46                            we
47                        })?;
48
49                        // c) Print or process:
50                        println!("Cargo metadata for workspace at '{}':\n{:#?}", ws.as_ref().display(), metadata);
51                        Ok(())
52                    })
53                })
54                .await
55            }
56        }
57    }
58}