From 0b960216433956503e9e6fe5220523eb1970eaee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexander=20Schl=C3=B6gl?= <alexander.schloegl@uibk.ac.at>
Date: Mon, 12 Dec 2022 03:06:24 +0100
Subject: [PATCH] Add `:pipe-to` typable command that ignores shell output
 (#4931)

---
 book/src/generated/typable-cmd.md |  1 +
 helix-term/src/commands/typed.rs  | 26 +++++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/book/src/generated/typable-cmd.md b/book/src/generated/typable-cmd.md
index 6390ef858..66e6ac039 100644
--- a/book/src/generated/typable-cmd.md
+++ b/book/src/generated/typable-cmd.md
@@ -71,4 +71,5 @@
 | `:insert-output` | Run shell command, inserting output before each selection. |
 | `:append-output` | Run shell command, appending output after each selection. |
 | `: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 |
diff --git a/helix-term/src/commands/typed.rs b/helix-term/src/commands/typed.rs
index 03fcaa553..2119a48d6 100644
--- a/helix-term/src/commands/typed.rs
+++ b/helix-term/src/commands/typed.rs
@@ -1741,13 +1741,30 @@ fn insert_output(
     Ok(())
 }
 
+fn pipe_to(
+    cx: &mut compositor::Context,
+    args: &[Cow<str>],
+    event: PromptEvent,
+) -> anyhow::Result<()> {
+    pipe_impl(cx, args, event, &ShellBehavior::Ignore)
+}
+
 fn pipe(cx: &mut compositor::Context, args: &[Cow<str>], event: PromptEvent) -> anyhow::Result<()> {
+    pipe_impl(cx, args, event, &ShellBehavior::Replace)
+}
+
+fn pipe_impl(
+    cx: &mut compositor::Context,
+    args: &[Cow<str>],
+    event: PromptEvent,
+    behavior: &ShellBehavior,
+) -> anyhow::Result<()> {
     if event != PromptEvent::Validate {
         return Ok(());
     }
 
     ensure!(!args.is_empty(), "Shell command required");
-    shell(cx, &args.join(" "), &ShellBehavior::Replace);
+    shell(cx, &args.join(" "), behavior);
     Ok(())
 }
 
@@ -2292,6 +2309,13 @@ pub const TYPABLE_COMMAND_LIST: &[TypableCommand] = &[
             fun: pipe,
             completer: None,
         },
+        TypableCommand {
+            name: "pipe-to",
+            aliases: &[],
+            doc: "Pipe each selection to the shell command, ignoring output.",
+            fun: pipe_to,
+            completer: None,
+        },
         TypableCommand {
             name: "run-shell-command",
             aliases: &["sh"],