From 2f169b172fc16827cc1a2c95865d5c3ab17708f3 Mon Sep 17 00:00:00 2001
From: trivernis <trivernis@protonmail.com>
Date: Sat, 1 Apr 2023 11:43:56 +0200
Subject: [PATCH] Add `rm` command to delete the current file

---
 helix-term/src/commands/typed.rs | 31 +++++++++++++++++++++++++++++++
 helix-view/src/document.rs       | 15 +++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/helix-term/src/commands/typed.rs b/helix-term/src/commands/typed.rs
index 0255bbea..a8c85303 100644
--- a/helix-term/src/commands/typed.rs
+++ b/helix-term/src/commands/typed.rs
@@ -298,6 +298,30 @@ fn force_buffer_close_all(
     buffer_close_by_ids_impl(cx, &document_ids, true)
 }
 
+fn delete(
+    cx: &mut compositor::Context,
+    _args: &[Cow<str>],
+    event: PromptEvent,
+) -> anyhow::Result<()> {
+    if event != PromptEvent::Validate {
+        return Ok(());
+    }
+
+    cx.block_try_flush_writes()?;
+    let doc = doc_mut!(cx.editor);
+
+    if doc.path().is_none() {
+        bail!("cannot delete a buffer with no associated file on the disk");
+    }
+
+    let doc_id = view!(cx.editor).doc;
+
+    let future = doc.delete();
+    cx.jobs.add(Job::new(future));
+
+    buffer_close_by_ids_impl(cx, &[doc_id], true)
+}
+
 fn buffer_next(
     cx: &mut compositor::Context,
     _args: &[Cow<str>],
@@ -2233,6 +2257,13 @@ pub const TYPABLE_COMMAND_LIST: &[TypableCommand] = &[
             fun: force_buffer_close_all,
             signature: CommandSignature::none(),
         },
+        TypableCommand {
+            name: "delete",
+            aliases: &["remove", "rm", "del"],
+            doc: "Deletes the file associated with the current buffer",
+            fun: delete,
+            signature: CommandSignature::none(),
+        },
         TypableCommand {
             name: "buffer-next",
             aliases: &["bn", "bnext"],
diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
index eca60026..bcc334ef 100644
--- a/helix-view/src/document.rs
+++ b/helix-view/src/document.rs
@@ -544,6 +544,21 @@ impl Document {
         }
     }
 
+    /// Deletes the file associated with this document
+    pub fn delete(&mut self) -> impl Future<Output = Result<(), anyhow::Error>> {
+        let path = self
+            .path()
+            .expect("Cannot delete with no path set!")
+            .clone();
+
+        async move {
+            use tokio::fs;
+            fs::remove_file(path).await?;
+
+            Ok(())
+        }
+    }
+
     /// If supported, returns the changes that should be applied to this document in order
     /// to format it nicely.
     // We can't use anyhow::Result here since the output of the future has to be