add async shell command

Author: sarah

book/src/generated/typable-cmd.md

@@ -76,4 +76,5 @@
 | `:pipe` | Pipe each selection to the shell command. |
 | `:pipe-to` | Pipe each selection to the shell command, ignoring output. |
 | `:run-shell-command`, `:sh` | Run a shell command |
+| `:run-async-shell-command`, `:async-sh` | Run a shell command asynchronously |
 | `:reset-diff-change`, `:diffget`, `:diffg` | Reset the diff change at the cursor position. |

helix-term/src/commands.rs

@@ -5037,6 +5037,13 @@ fn shell_impl(shell: &[String], cmd: &str, input: Option<Rope>) -> anyhow::Resul
     tokio::task::block_in_place(|| helix_lsp::block_on(shell_impl_async(shell, cmd, input)))
 }
 
+fn async_shell_impl(shell: &[String], cmd: &str, input: Option<Rope>) -> anyhow::Result<()> {
+    let shell = shell.to_vec();
+    let cmd = cmd.to_string();
+    tokio::task::spawn(async move { shell_impl_async(&shell, &cmd, input).await.map(|_| ()) });
+    Ok(())
+}
+
 async fn shell_impl_async(
     shell: &[String],
     cmd: &str,

helix-term/src/commands/typed.rs

@@ -2091,6 +2091,19 @@ fn run_shell_command(
     Ok(())
 }
 
+fn run_async_shell_command(
+    cx: &mut compositor::Context,
+    args: &[Cow<str>],
+    event: PromptEvent,
+) -> anyhow::Result<()> {
+    if event != PromptEvent::Validate {
+        return Ok(());
+    }
+
+    let shell = &cx.editor.config().shell;
+    async_shell_impl(shell, &args.join(" "), None)
+}
+
 fn reset_diff_change(
     cx: &mut compositor::Context,
     args: &[Cow<str>],
@@ -2688,7 +2701,14 @@ pub const TYPABLE_COMMAND_LIST: &[TypableCommand] = &[
             fun: run_shell_command,
             signature: CommandSignature::all(completers::filename)
         },
-       TypableCommand {
+        TypableCommand {
+            name: "run-async-shell-command",
+            aliases: &["async-sh"],
+            doc: "Run a shell command asynchronously",
+            fun: run_async_shell_command,
+            signature: CommandSignature::all(completers::filename)
+        },
+        TypableCommand {
             name: "reset-diff-change",
             aliases: &["diffget", "diffg"],
             doc: "Reset the diff change at the cursor position.",