Adds pwd command

src/cli.rs

@@ -164,6 +164,7 @@ pub async fn cli() -> Result<(), Box<dyn Error>> {
 
         context.add_commands(vec![
             whole_stream_command(PS),
+            whole_stream_command(PWD),
             whole_stream_command(LS),
             whole_stream_command(CD),
             whole_stream_command(Size),

src/commands.rs

@@ -39,6 +39,7 @@ pub(crate) mod plugin;
 pub(crate) mod post;
 pub(crate) mod prev;
 pub(crate) mod ps;
+pub(crate) mod pwd;
 pub(crate) mod reject;
 pub(crate) mod reverse;
 pub(crate) mod rm;
@@ -104,6 +105,7 @@ pub(crate) use pick::Pick;
 pub(crate) use post::Post;
 pub(crate) use prev::Previous;
 pub(crate) use ps::PS;
+pub(crate) use pwd::PWD;
 pub(crate) use reject::Reject;
 pub(crate) use reverse::Reverse;
 pub(crate) use rm::Remove;

src/commands/pwd.rs

@@ -0,0 +1,44 @@
+use crate::commands::WholeStreamCommand;
+use crate::errors::ShellError;
+use crate::data::{Dictionary, Value};
+use crate::parser::registry::Signature;
+use crate::prelude::*;
+use indexmap::IndexMap;
+
+pub struct PWD;
+
+impl WholeStreamCommand for PWD {
+    fn name(&self) -> &str {
+        "pwd"
+    }
+
+    fn signature(&self) -> Signature {
+        Signature::build("pwd")
+    }
+
+    fn usage(&self) -> &str {
+        "Output the current working directory."
+    }
+
+    fn run(
+        &self,
+        args: CommandArgs,
+        registry: &CommandRegistry,
+    ) -> Result<OutputStream, ShellError> {
+        pwd(args, registry)
+    }
+}
+
+pub fn pwd(args: CommandArgs, registry: &CommandRegistry) -> Result<OutputStream, ShellError> {
+    let args = args.evaluate_once(registry)?;
+    let span = args.call_info.name_span;
+
+    let mut indexmap = IndexMap::new();
+    indexmap.insert(
+        "name".to_string(),
+        Tagged::from_simple_spanned_item(Value::string(std::env::current_dir()?.to_string_lossy()), span),
+    );
+
+    let value = Tagged::from_simple_spanned_item(Value::Row(Dictionary::from(indexmap)), span);
+    Ok(OutputStream::one(value))
+}