Add rmdir command

src/cmd/mod.rs

@@ -9,6 +9,7 @@ mod ls;
 mod mkdir;
 mod pwd;
 mod rm;
+mod rmdir;
 mod touch;
 mod tree;
 
@@ -30,6 +31,7 @@ async fn interpret(args: &[&str], ctx: &mut Context) -> Result<()> {
         "mkdir" => mkdir::invoke(args, ctx).await?,
         "pwd" => pwd::invoke(args, ctx).await?,
         "rm" => rm::invoke(args, ctx).await?,
+        "rmdir" => rmdir::invoke(args, ctx).await?,
         "touch" => touch::invoke(args, ctx).await?,
         "tree" => tree::invoke(args, ctx).await?,
         cmd => bail!("Unrecognized command {}", cmd),

src/cmd/rmdir.rs

@@ -0,0 +1,22 @@
+use anyhow::{bail, Context as _, Result};
+use clap::Parser;
+
+use crate::{context::Context, path::VirtualPathBuf};
+
+#[derive(Parser)]
+#[command(bin_name = "rmdir")]
+struct Args {
+    #[arg(default_value = ".", help = "The directory to remove")]
+    path: VirtualPathBuf,
+}
+
+pub async fn invoke(args: &[&str], ctx: &mut Context) -> Result<()> {
+    let args = Args::try_parse_from(args)?;
+    let path = ctx.cwd.join(args.path);
+    let tree = ctx.lh.list(&path.as_lh_vec()).await.context("Not a directory, use rm instead!")?.payload;
+    if !tree.entries.is_empty() {
+        bail!("{} is not empty, use rm -r instead!", path);
+    }
+    ctx.lh.delete(&path.as_lh_vec()).await?;
+    Ok(())
+}