Add mv command

Fixes #7

src/cmd/mod.rs

@@ -25,6 +25,7 @@ cmd_mods!(
     ln,
     ls,
     mkdir,
+    mv,
     pwd,
     rm,
     rmdir,

src/cmd/mv.rs

@@ -0,0 +1,23 @@
+use anyhow::Result;
+use clap::Parser;
+use lighthouse_client::protocol::Value;
+
+use crate::{context::Context, path::VirtualPathBuf};
+
+#[derive(Parser)]
+#[command(bin_name = "mv")]
+struct Args {
+    #[arg(help = "The source path, i.e. the resource to move")]
+    src_path: VirtualPathBuf,
+    #[arg(help = "The destination path")]
+    dest_path: VirtualPathBuf,
+}
+
+pub async fn invoke(args: &[&str], ctx: &mut Context) -> Result<()> {
+    let args = Args::try_parse_from(args)?;
+    let [src_path, dest_path] = [args.src_path, args.dest_path].map(|p| ctx.cwd.join(p));
+    let payload: Value = ctx.lh.get(&src_path.as_lh_vec()).await?.payload;
+    ctx.lh.post(&dest_path.as_lh_vec(), payload).await?;
+    ctx.lh.delete(&src_path.as_lh_vec()).await?;
+    Ok(())
+}